Mercurial > vim
annotate src/channel.c @ 8084:3ea56a74077f v7.4.1336
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Feb 16 19:25:12 2016 +0100
patch 7.4.1336
Problem: Channel NL mode is not supported yet.
Solution: Add NL mode support to channels.
author | Christian Brabandt <cb@256bit.org> |
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date | Tue, 16 Feb 2016 19:30:05 +0100 |
parents | b6cb94ad97a4 |
children | 18a3f0f05244 |
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1 /* vi:set ts=8 sts=4 sw=4: |
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2 * |
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3 * VIM - Vi IMproved by Bram Moolenaar |
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4 * |
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5 * Do ":help uganda" in Vim to read copying and usage conditions. |
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6 * Do ":help credits" in Vim to see a list of people who contributed. |
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7 */ |
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8 |
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9 /* |
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10 * Implements communication through a socket or any file handle. |
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11 */ |
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12 |
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13 #include "vim.h" |
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14 |
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15 #if defined(FEAT_CHANNEL) || defined(PROTO) |
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16 |
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17 /* TRUE when netbeans is running with a GUI. */ |
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18 #ifdef FEAT_GUI |
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19 # define CH_HAS_GUI (gui.in_use || gui.starting) |
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20 #endif |
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21 |
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22 /* Note: when making changes here also adjust configure.in. */ |
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23 #ifdef WIN32 |
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24 /* WinSock API is separated from C API, thus we can't use read(), write(), |
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25 * errno... */ |
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26 # define SOCK_ERRNO errno = WSAGetLastError() |
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27 # undef ECONNREFUSED |
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28 # define ECONNREFUSED WSAECONNREFUSED |
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29 # undef EWOULDBLOCK |
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30 # define EWOULDBLOCK WSAEWOULDBLOCK |
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31 # ifdef EINTR |
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32 # undef EINTR |
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33 # endif |
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34 # define EINTR WSAEINTR |
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35 # define sock_write(sd, buf, len) send((SOCKET)sd, buf, len, 0) |
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36 # define sock_read(sd, buf, len) recv((SOCKET)sd, buf, len, 0) |
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37 # define sock_close(sd) closesocket((SOCKET)sd) |
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38 #else |
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39 # include <netdb.h> |
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40 # include <netinet/in.h> |
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41 |
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42 # include <sys/socket.h> |
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43 # ifdef HAVE_LIBGEN_H |
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44 # include <libgen.h> |
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45 # endif |
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46 # define SOCK_ERRNO |
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47 # define sock_write(sd, buf, len) write(sd, buf, len) |
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48 # define sock_read(sd, buf, len) read(sd, buf, len) |
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49 # define sock_close(sd) close(sd) |
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50 # define fd_read(fd, buf, len) read(fd, buf, len) |
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51 # define fd_write(sd, buf, len) write(sd, buf, len) |
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52 # define fd_close(sd) close(sd) |
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53 #endif |
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54 |
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55 #ifdef FEAT_GUI_W32 |
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56 extern HWND s_hwnd; /* Gvim's Window handle */ |
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57 #endif |
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58 |
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59 #ifdef WIN32 |
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60 static int |
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61 fd_read(sock_T fd, char *buf, size_t len) |
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62 { |
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63 HANDLE h = (HANDLE)fd; |
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64 DWORD nread; |
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65 |
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66 if (!ReadFile(h, buf, (DWORD)len, &nread, NULL)) |
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67 return -1; |
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68 return (int)nread; |
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69 } |
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70 |
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71 static int |
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72 fd_write(sock_T fd, char *buf, size_t len) |
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73 { |
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74 HANDLE h = (HANDLE)fd; |
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75 DWORD nwrite; |
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76 |
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77 if (!WriteFile(h, buf, (DWORD)len, &nwrite, NULL)) |
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78 return -1; |
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79 return (int)nwrite; |
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80 } |
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81 |
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82 static void |
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83 fd_close(sock_T fd) |
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84 { |
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85 HANDLE h = (HANDLE)fd; |
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86 |
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87 CloseHandle(h); |
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88 } |
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89 #endif |
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90 |
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91 /* Log file opened with ch_logfile(). */ |
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92 static FILE *log_fd = NULL; |
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93 |
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94 void |
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95 ch_logfile(FILE *file) |
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96 { |
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97 if (log_fd != NULL) |
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98 fclose(log_fd); |
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99 log_fd = file; |
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100 if (log_fd != NULL) |
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101 fprintf(log_fd, "==== start log session ====\n"); |
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102 } |
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103 |
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104 static void |
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105 ch_log_lead(char *what, channel_T *ch) |
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106 { |
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107 if (log_fd != NULL) |
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108 { |
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109 if (ch != NULL) |
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110 fprintf(log_fd, "%son %d: ", what, ch->ch_id); |
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111 else |
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112 fprintf(log_fd, "%s: ", what); |
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113 } |
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114 } |
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115 |
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116 static void |
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117 ch_log(channel_T *ch, char *msg) |
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118 { |
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119 if (log_fd != NULL) |
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120 { |
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121 ch_log_lead("", ch); |
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122 fputs(msg, log_fd); |
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123 fflush(log_fd); |
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124 } |
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125 } |
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126 |
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127 static void |
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128 ch_logn(channel_T *ch, char *msg, int nr) |
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129 { |
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130 if (log_fd != NULL) |
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131 { |
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132 ch_log_lead("", ch); |
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133 fprintf(log_fd, msg, nr); |
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134 fflush(log_fd); |
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135 } |
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136 } |
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137 |
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138 static void |
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139 ch_logs(channel_T *ch, char *msg, char *name) |
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140 { |
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141 if (log_fd != NULL) |
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142 { |
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143 ch_log_lead("", ch); |
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144 fprintf(log_fd, msg, name); |
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145 fflush(log_fd); |
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146 } |
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147 } |
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148 |
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149 static void |
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150 ch_logsn(channel_T *ch, char *msg, char *name, int nr) |
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151 { |
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152 if (log_fd != NULL) |
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153 { |
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154 ch_log_lead("", ch); |
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155 fprintf(log_fd, msg, name, nr); |
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156 fflush(log_fd); |
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157 } |
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158 } |
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159 |
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160 static void |
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161 ch_error(channel_T *ch, char *msg) |
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162 { |
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163 if (log_fd != NULL) |
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164 { |
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165 ch_log_lead("ERR ", ch); |
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166 fputs(msg, log_fd); |
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167 fflush(log_fd); |
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168 } |
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169 } |
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171 static void |
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172 ch_errorn(channel_T *ch, char *msg, int nr) |
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173 { |
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174 if (log_fd != NULL) |
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175 { |
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176 ch_log_lead("ERR ", ch); |
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177 fprintf(log_fd, msg, nr); |
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178 fflush(log_fd); |
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179 } |
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180 } |
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182 static void |
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183 ch_errors(channel_T *ch, char *msg, char *arg) |
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184 { |
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185 if (log_fd != NULL) |
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186 { |
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187 ch_log_lead("ERR ", ch); |
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188 fprintf(log_fd, msg, arg); |
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189 fflush(log_fd); |
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190 } |
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191 } |
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192 |
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193 #ifdef _WIN32 |
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194 # undef PERROR |
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195 # define PERROR(msg) (void)emsg3((char_u *)"%s: %s", \ |
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196 (char_u *)msg, (char_u *)strerror_win32(errno)) |
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197 |
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198 static char * |
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199 strerror_win32(int eno) |
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200 { |
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201 static LPVOID msgbuf = NULL; |
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202 char_u *ptr; |
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203 |
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204 if (msgbuf) |
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205 LocalFree(msgbuf); |
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206 FormatMessage( |
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207 FORMAT_MESSAGE_ALLOCATE_BUFFER | |
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208 FORMAT_MESSAGE_FROM_SYSTEM | |
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209 FORMAT_MESSAGE_IGNORE_INSERTS, |
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210 NULL, |
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211 eno, |
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212 MAKELANGID(LANG_ENGLISH, SUBLANG_DEFAULT), |
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213 (LPTSTR) &msgbuf, |
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214 0, |
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215 NULL); |
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216 /* chomp \r or \n */ |
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217 for (ptr = (char_u *)msgbuf; *ptr; ptr++) |
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218 switch (*ptr) |
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219 { |
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220 case '\r': |
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221 STRMOVE(ptr, ptr + 1); |
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222 ptr--; |
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223 break; |
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224 case '\n': |
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225 if (*(ptr + 1) == '\0') |
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226 *ptr = '\0'; |
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227 else |
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228 *ptr = ' '; |
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229 break; |
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230 } |
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231 return msgbuf; |
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232 } |
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233 #endif |
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234 |
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235 /* |
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236 * The list of all allocated channels. |
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237 */ |
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238 static channel_T *first_channel = NULL; |
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239 static int next_ch_id = 0; |
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240 |
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241 /* |
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242 * Allocate a new channel. The refcount is set to 1. |
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243 * The channel isn't actually used until it is opened. |
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244 * Returns NULL if out of memory. |
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245 */ |
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246 channel_T * |
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247 add_channel(void) |
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248 { |
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249 int which; |
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250 channel_T *channel = (channel_T *)alloc_clear((int)sizeof(channel_T)); |
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251 |
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252 if (channel == NULL) |
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253 return NULL; |
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254 |
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255 channel->ch_id = next_ch_id++; |
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256 ch_log(channel, "Opening channel\n"); |
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257 |
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258 #ifdef CHANNEL_PIPES |
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259 for (which = CHAN_SOCK; which <= CHAN_IN; ++which) |
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260 #else |
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261 which = CHAN_SOCK; |
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262 #endif |
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263 { |
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264 channel->ch_pfd[which].ch_fd = CHAN_FD_INVALID; |
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265 #ifdef FEAT_GUI_X11 |
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266 channel->ch_pfd[which].ch_inputHandler = (XtInputId)NULL; |
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267 #endif |
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268 #ifdef FEAT_GUI_GTK |
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269 channel->ch_pfd[which].ch_inputHandler = 0; |
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270 #endif |
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271 #ifdef FEAT_GUI_W32 |
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272 channel->ch_pfd[which].ch_inputHandler = -1; |
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273 #endif |
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274 } |
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275 |
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276 channel->ch_timeout = 2000; |
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277 |
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278 if (first_channel != NULL) |
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279 { |
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280 first_channel->ch_prev = channel; |
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281 channel->ch_next = first_channel; |
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282 } |
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283 first_channel = channel; |
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284 |
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285 channel->ch_refcount = 1; |
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286 return channel; |
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287 } |
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288 |
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289 /* |
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290 * Close a channel and free all its resources. |
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291 */ |
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292 void |
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293 channel_free(channel_T *channel) |
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294 { |
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295 channel_close(channel); |
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296 if (channel->ch_next != NULL) |
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297 channel->ch_next->ch_prev = channel->ch_prev; |
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298 if (channel->ch_prev == NULL) |
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299 first_channel = channel->ch_next; |
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300 else |
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301 channel->ch_prev->ch_next = channel->ch_next; |
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302 vim_free(channel); |
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303 } |
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304 |
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305 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) |
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306 static channel_T * |
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307 channel_from_id(int id) |
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308 { |
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309 channel_T *channel; |
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310 |
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311 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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312 if (channel->ch_id == id) |
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313 return channel; |
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314 return NULL; |
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315 } |
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316 #endif |
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317 |
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318 #if defined(FEAT_GUI) || defined(PROTO) |
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319 |
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320 #if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) |
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321 static void |
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322 channel_read_netbeans(int id) |
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323 { |
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324 channel_T *channel = channel_from_id(id); |
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325 |
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326 if (channel == NULL) |
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327 ch_errorn(NULL, "Channel %d not found", id); |
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328 else |
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329 channel_read(channel, -1, "messageFromNetbeans"); |
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330 } |
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331 #endif |
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332 |
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333 /* |
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334 * Read a command from netbeans. |
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335 */ |
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336 #ifdef FEAT_GUI_X11 |
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337 static void |
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338 messageFromNetbeans(XtPointer clientData, |
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339 int *unused1 UNUSED, |
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340 XtInputId *unused2 UNUSED) |
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341 { |
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342 channel_read_netbeans((int)(long)clientData); |
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343 } |
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344 #endif |
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345 |
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346 #ifdef FEAT_GUI_GTK |
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347 static void |
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348 messageFromNetbeans(gpointer clientData, |
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349 gint unused1 UNUSED, |
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350 GdkInputCondition unused2 UNUSED) |
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351 { |
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352 channel_read_netbeans((int)(long)clientData); |
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353 } |
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354 #endif |
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355 |
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356 static void |
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357 channel_gui_register_one(channel_T *channel, int which) |
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358 { |
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359 # ifdef FEAT_GUI_X11 |
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360 /* Tell notifier we are interested in being called |
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361 * when there is input on the editor connection socket. */ |
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362 if (channel->ch_pfd[which].ch_inputHandler == (XtInputId)NULL) |
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363 channel->ch_pfd[which].ch_inputHandler = XtAppAddInput( |
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364 (XtAppContext)app_context, |
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365 channel->ch_pfd[which].ch_fd, |
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366 (XtPointer)(XtInputReadMask + XtInputExceptMask), |
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367 messageFromNetbeans, |
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368 (XtPointer)(long)channel->ch_id); |
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369 # else |
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370 # ifdef FEAT_GUI_GTK |
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371 /* Tell gdk we are interested in being called when there |
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372 * is input on the editor connection socket. */ |
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373 if (channel->ch_pfd[which].ch_inputHandler == 0) |
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374 channel->ch_pfd[which].ch_inputHandler = gdk_input_add( |
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375 (gint)channel->ch_pfd[which].ch_fd, |
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376 (GdkInputCondition) |
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377 ((int)GDK_INPUT_READ + (int)GDK_INPUT_EXCEPTION), |
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378 messageFromNetbeans, |
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379 (gpointer)(long)channel->ch_id); |
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380 # else |
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381 # ifdef FEAT_GUI_W32 |
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382 /* Tell Windows we are interested in receiving message when there |
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383 * is input on the editor connection socket. */ |
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384 if (channel->ch_pfd[which].ch_inputHandler == -1) |
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385 channel->ch_pfd[which].ch_inputHandler = WSAAsyncSelect( |
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386 channel->ch_pfd[which].ch_fd, |
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387 s_hwnd, WM_NETBEANS, FD_READ); |
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388 # endif |
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389 # endif |
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390 # endif |
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391 } |
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392 |
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393 void |
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394 channel_gui_register(channel_T *channel) |
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395 { |
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396 if (!CH_HAS_GUI) |
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397 return; |
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398 |
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399 if (channel->CH_SOCK != CHAN_FD_INVALID) |
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400 channel_gui_register_one(channel, CHAN_SOCK); |
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401 # ifdef CHANNEL_PIPES |
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402 if (channel->CH_OUT != CHAN_FD_INVALID) |
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403 channel_gui_register_one(channel, CHAN_OUT); |
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404 if (channel->CH_ERR != CHAN_FD_INVALID) |
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405 channel_gui_register_one(channel, CHAN_ERR); |
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406 # endif |
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407 } |
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408 |
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409 /* |
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410 * Register any of our file descriptors with the GUI event handling system. |
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411 * Called when the GUI has started. |
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412 */ |
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413 void |
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414 channel_gui_register_all(void) |
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415 { |
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416 channel_T *channel; |
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417 |
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418 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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419 channel_gui_register(channel); |
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420 } |
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421 |
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422 static void |
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423 channel_gui_unregister(channel_T *channel) |
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424 { |
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425 int which; |
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426 |
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427 #ifdef CHANNEL_PIPES |
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428 for (which = CHAN_SOCK; which < CHAN_IN; ++which) |
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429 #else |
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430 which = CHAN_SOCK; |
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431 #endif |
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432 { |
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433 # ifdef FEAT_GUI_X11 |
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434 if (channel->ch_pfd[which].ch_inputHandler != (XtInputId)NULL) |
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435 { |
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436 XtRemoveInput(channel->ch_pfd[which].ch_inputHandler); |
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437 channel->ch_pfd[which].ch_inputHandler = (XtInputId)NULL; |
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438 } |
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439 # else |
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440 # ifdef FEAT_GUI_GTK |
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441 if (channel->ch_pfd[which].ch_inputHandler != 0) |
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442 { |
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443 gdk_input_remove(channel->ch_pfd[which].ch_inputHandler); |
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444 channel->ch_pfd[which].ch_inputHandler = 0; |
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445 } |
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446 # else |
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447 # ifdef FEAT_GUI_W32 |
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448 if (channel->ch_pfd[which].ch_inputHandler == 0) |
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449 { |
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450 WSAAsyncSelect(channel->ch_pfd[which].ch_fd, s_hwnd, 0, 0); |
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451 channel->ch_pfd[which].ch_inputHandler = -1; |
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452 } |
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453 # endif |
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454 # endif |
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455 # endif |
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456 } |
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457 } |
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458 |
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459 #endif |
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460 |
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461 /* |
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462 * Open a socket channel to "hostname":"port". |
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463 * Returns the channel for success. |
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464 * Returns NULL for failure. |
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465 */ |
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466 channel_T * |
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467 channel_open(char *hostname, int port_in, int waittime, void (*close_cb)(void)) |
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468 { |
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469 int sd; |
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470 struct sockaddr_in server; |
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471 struct hostent * host; |
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472 #ifdef WIN32 |
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473 u_short port = port_in; |
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474 u_long val = 1; |
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475 #else |
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476 int port = port_in; |
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477 #endif |
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478 channel_T *channel; |
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479 int ret; |
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480 |
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481 #ifdef WIN32 |
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482 channel_init_winsock(); |
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483 #endif |
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484 |
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485 channel = add_channel(); |
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486 if (channel == NULL) |
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487 { |
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488 ch_error(NULL, "Cannot allocate channel.\n"); |
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489 EMSG(_("E897: All channels are in use")); |
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490 return NULL; |
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491 } |
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492 |
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493 if ((sd = socket(AF_INET, SOCK_STREAM, 0)) == -1) |
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494 { |
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495 ch_error(NULL, "in socket() in channel_open().\n"); |
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496 PERROR("E898: socket() in channel_open()"); |
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497 channel_free(channel); |
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498 return NULL; |
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499 } |
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500 |
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501 /* Get the server internet address and put into addr structure */ |
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502 /* fill in the socket address structure and connect to server */ |
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503 vim_memset((char *)&server, 0, sizeof(server)); |
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504 server.sin_family = AF_INET; |
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505 server.sin_port = htons(port); |
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506 if ((host = gethostbyname(hostname)) == NULL) |
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507 { |
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508 ch_error(NULL, "in gethostbyname() in channel_open()\n"); |
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509 PERROR("E901: gethostbyname() in channel_open()"); |
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510 sock_close(sd); |
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511 channel_free(channel); |
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512 return NULL; |
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513 } |
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514 memcpy((char *)&server.sin_addr, host->h_addr, host->h_length); |
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515 |
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516 if (waittime >= 0) |
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517 { |
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518 /* Make connect non-blocking. */ |
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519 if ( |
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520 #ifdef _WIN32 |
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521 ioctlsocket(sd, FIONBIO, &val) < 0 |
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522 #else |
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523 fcntl(sd, F_SETFL, O_NONBLOCK) < 0 |
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524 #endif |
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525 ) |
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526 { |
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527 SOCK_ERRNO; |
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528 ch_errorn(NULL, "channel_open: Connect failed with errno %d\n", |
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529 errno); |
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530 sock_close(sd); |
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531 channel_free(channel); |
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532 return NULL; |
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533 } |
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534 } |
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535 |
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536 /* Try connecting to the server. */ |
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537 ch_logsn(NULL, "Connecting to %s port %d", hostname, port); |
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538 ret = connect(sd, (struct sockaddr *)&server, sizeof(server)); |
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539 SOCK_ERRNO; |
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540 if (ret < 0) |
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541 { |
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542 if (errno != EWOULDBLOCK |
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543 #ifdef EINPROGRESS |
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544 && errno != EINPROGRESS |
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545 #endif |
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546 ) |
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547 { |
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548 ch_errorn(NULL, "channel_open: Connect failed with errno %d\n", |
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549 errno); |
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550 PERROR(_("E902: Cannot connect to port")); |
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551 sock_close(sd); |
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552 channel_free(channel); |
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553 return NULL; |
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554 } |
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555 } |
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556 |
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557 if (waittime >= 0 && ret < 0) |
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558 { |
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559 struct timeval tv; |
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560 fd_set wfds; |
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561 |
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562 FD_ZERO(&wfds); |
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563 FD_SET(sd, &wfds); |
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564 tv.tv_sec = waittime / 1000; |
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565 tv.tv_usec = (waittime % 1000) * 1000; |
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566 ret = select((int)sd + 1, NULL, &wfds, NULL, &tv); |
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567 if (ret < 0) |
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568 { |
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569 SOCK_ERRNO; |
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570 ch_errorn(NULL, "channel_open: Connect failed with errno %d\n", |
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571 errno); |
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572 PERROR(_("E902: Cannot connect to port")); |
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573 sock_close(sd); |
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574 channel_free(channel); |
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575 return NULL; |
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576 } |
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577 if (!FD_ISSET(sd, &wfds)) |
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578 { |
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579 /* don't give an error, we just timed out. */ |
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580 sock_close(sd); |
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581 channel_free(channel); |
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582 return NULL; |
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583 } |
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584 } |
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585 |
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586 if (waittime >= 0) |
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587 { |
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588 #ifdef _WIN32 |
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589 val = 0; |
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590 ioctlsocket(sd, FIONBIO, &val); |
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591 #else |
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592 (void)fcntl(sd, F_SETFL, 0); |
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593 #endif |
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594 } |
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595 |
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596 /* Only retry for netbeans. TODO: can we use a waittime instead? */ |
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597 if (errno == ECONNREFUSED && close_cb != NULL) |
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598 { |
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599 sock_close(sd); |
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600 if ((sd = socket(AF_INET, SOCK_STREAM, 0)) == -1) |
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601 { |
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602 SOCK_ERRNO; |
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603 ch_log(NULL, "socket() retry in channel_open()\n"); |
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604 PERROR("E900: socket() retry in channel_open()"); |
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605 channel_free(channel); |
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606 return NULL; |
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607 } |
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608 if (connect(sd, (struct sockaddr *)&server, sizeof(server))) |
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609 { |
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610 int retries = 36; |
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611 int success = FALSE; |
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612 |
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613 SOCK_ERRNO; |
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614 while (retries-- && ((errno == ECONNREFUSED) |
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615 || (errno == EINTR))) |
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616 { |
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617 ch_log(NULL, "retrying...\n"); |
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618 mch_delay(3000L, TRUE); |
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619 ui_breakcheck(); |
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620 if (got_int) |
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621 { |
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622 errno = EINTR; |
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623 break; |
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624 } |
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625 if (connect(sd, (struct sockaddr *)&server, |
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626 sizeof(server)) == 0) |
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627 { |
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628 success = TRUE; |
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629 break; |
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630 } |
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631 SOCK_ERRNO; |
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632 } |
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633 if (!success) |
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634 { |
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635 /* Get here when the server can't be found. */ |
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636 ch_error(NULL, "Cannot connect to port after retry\n"); |
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637 PERROR(_("E899: Cannot connect to port after retry")); |
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638 sock_close(sd); |
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639 channel_free(channel); |
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640 return NULL; |
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641 } |
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642 } |
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643 } |
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644 |
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645 channel->CH_SOCK = (sock_T)sd; |
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646 channel->ch_close_cb = close_cb; |
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647 |
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648 #ifdef FEAT_GUI |
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649 channel_gui_register(channel); |
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650 #endif |
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651 |
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652 return channel; |
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653 } |
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654 |
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655 #if defined(CHANNEL_PIPES) || defined(PROTO) |
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656 void |
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657 channel_set_pipes(channel_T *channel, sock_T in, sock_T out, sock_T err) |
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658 { |
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659 channel->CH_IN = in; |
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660 channel->CH_OUT = out; |
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661 channel->CH_ERR = err; |
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662 } |
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663 #endif |
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664 |
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665 void |
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666 channel_set_job(channel_T *channel, job_T *job) |
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667 { |
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668 channel->ch_job = job; |
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669 } |
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670 |
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671 /* |
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672 * Set the mode of channel "channel" to "mode". |
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673 */ |
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674 void |
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675 channel_set_mode(channel_T *channel, ch_mode_T mode) |
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676 { |
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677 channel->ch_mode = mode; |
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678 } |
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679 |
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680 /* |
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681 * Set the read timeout of channel "channel". |
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682 */ |
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683 void |
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684 channel_set_timeout(channel_T *channel, int timeout) |
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685 { |
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686 channel->ch_timeout = timeout; |
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687 } |
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688 |
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689 /* |
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690 * Set the callback for channel "channel". |
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691 */ |
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692 void |
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693 channel_set_callback(channel_T *channel, char_u *callback) |
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694 { |
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695 vim_free(channel->ch_callback); |
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696 channel->ch_callback = vim_strsave(callback); |
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697 } |
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698 |
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699 /* |
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700 * Set the callback for channel "channel" for the response with "id". |
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701 */ |
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702 void |
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703 channel_set_req_callback(channel_T *channel, char_u *callback, int id) |
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704 { |
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705 cbq_T *head = &channel->ch_cb_head; |
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706 cbq_T *item = (cbq_T *)alloc((int)sizeof(cbq_T)); |
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707 |
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708 if (item != NULL) |
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709 { |
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710 item->cq_callback = vim_strsave(callback); |
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711 item->cq_seq_nr = id; |
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712 item->cq_prev = head->cq_prev; |
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713 head->cq_prev = item; |
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714 item->cq_next = NULL; |
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715 if (item->cq_prev == NULL) |
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716 head->cq_next = item; |
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717 else |
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718 item->cq_prev->cq_next = item; |
7933
1f0743f4f88f
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719 } |
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720 } |
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721 |
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722 /* |
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723 * Invoke the "callback" on channel "channel". |
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724 */ |
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725 static void |
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726 invoke_callback(channel_T *channel, char_u *callback, typval_T *argv) |
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727 { |
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728 typval_T rettv; |
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729 int dummy; |
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730 |
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731 argv[0].v_type = VAR_CHANNEL; |
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732 argv[0].vval.v_channel = channel; |
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733 |
7840
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734 call_func(callback, (int)STRLEN(callback), |
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735 &rettv, 2, argv, 0L, 0L, &dummy, TRUE, NULL); |
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736 /* If an echo command was used the cursor needs to be put back where |
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737 * it belongs. */ |
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738 setcursor(); |
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739 cursor_on(); |
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740 out_flush(); |
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741 } |
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742 |
7864
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743 /* |
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744 * Return the first buffer from the channel and remove it. |
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745 * The caller must free it. |
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746 * Returns NULL if there is nothing. |
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747 */ |
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748 char_u * |
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749 channel_get(channel_T *channel) |
7868
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750 { |
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751 readq_T *head = &channel->ch_head; |
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752 readq_T *node = head->rq_next; |
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753 char_u *p; |
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754 |
8041
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755 if (node == NULL) |
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756 return NULL; |
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757 /* dispose of the node but keep the buffer */ |
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758 p = node->rq_buffer; |
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759 head->rq_next = node->rq_next; |
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760 if (node->rq_next == NULL) |
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761 head->rq_prev = NULL; |
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762 else |
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763 node->rq_next->rq_prev = NULL; |
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764 vim_free(node); |
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765 return p; |
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766 } |
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767 |
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768 /* |
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769 * Returns the whole buffer contents concatenated. |
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770 */ |
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771 static char_u * |
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772 channel_get_all(channel_T *channel) |
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773 { |
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774 /* Concatenate everything into one buffer. |
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775 * TODO: avoid multiple allocations. */ |
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776 while (channel_collapse(channel) == OK) |
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|
777 ; |
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778 return channel_get(channel); |
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779 } |
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|
780 |
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781 /* |
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782 * Collapses the first and second buffer in the channel "channel". |
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783 * Returns FAIL if that is not possible. |
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784 */ |
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|
785 int |
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|
786 channel_collapse(channel_T *channel) |
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787 { |
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788 readq_T *head = &channel->ch_head; |
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789 readq_T *node = head->rq_next; |
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790 char_u *p; |
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|
791 |
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|
792 if (node == NULL || node->rq_next == NULL) |
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793 return FAIL; |
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|
794 |
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Christian Brabandt <cb@256bit.org>
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|
795 p = alloc((unsigned)(STRLEN(node->rq_buffer) |
c6443e78cf2d
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parents:
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diff
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|
796 + STRLEN(node->rq_next->rq_buffer) + 1)); |
7868
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diff
changeset
|
797 if (p == NULL) |
17e6ff1a74f1
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parents:
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diff
changeset
|
798 return FAIL; /* out of memory */ |
8041
c6443e78cf2d
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|
799 STRCPY(p, node->rq_buffer); |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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changeset
|
800 STRCAT(p, node->rq_next->rq_buffer); |
c6443e78cf2d
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
801 vim_free(node->rq_next->rq_buffer); |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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parents:
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diff
changeset
|
802 node->rq_next->rq_buffer = p; |
7868
17e6ff1a74f1
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diff
changeset
|
803 |
8041
c6443e78cf2d
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changeset
|
804 /* dispose of the node and its buffer */ |
c6443e78cf2d
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diff
changeset
|
805 head->rq_next = node->rq_next; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
806 head->rq_next->rq_prev = NULL; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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parents:
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diff
changeset
|
807 vim_free(node->rq_buffer); |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
808 vim_free(node); |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
809 return OK; |
17e6ff1a74f1
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
810 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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diff
changeset
|
811 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
812 /* |
8041
c6443e78cf2d
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
813 * Use the read buffer of channel "channel" and parse a JSON messages that is |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
814 * complete. The messages are added to the queue. |
7899
93c61501c2cf
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changeset
|
815 * Return TRUE if there is more to read. |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
816 */ |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
817 static int |
8041
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parents:
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diff
changeset
|
818 channel_parse_json(channel_T *channel) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
819 { |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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changeset
|
820 js_read_T reader; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
821 typval_T listtv; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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diff
changeset
|
822 jsonq_T *item; |
7967
45ea5ebf3a98
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Christian Brabandt <cb@256bit.org>
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|
823 jsonq_T *head = &channel->ch_json_head; |
7899
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commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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|
824 int ret; |
7868
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diff
changeset
|
825 |
8041
c6443e78cf2d
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|
826 if (channel_peek(channel) == NULL) |
7899
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commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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|
827 return FALSE; |
7868
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commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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changeset
|
828 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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diff
changeset
|
829 /* TODO: make reader work properly */ |
8041
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|
830 /* reader.js_buf = channel_peek(channel); */ |
c6443e78cf2d
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diff
changeset
|
831 reader.js_buf = channel_get_all(channel); |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
832 reader.js_used = 0; |
7883
98a96e0ca73b
commit https://github.com/vim/vim/commit/56ead341a75e1a0395eee94a3280c67e2278a57e
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parents:
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diff
changeset
|
833 reader.js_fill = NULL; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
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|
834 /* reader.js_fill = channel_fill; */ |
8041
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diff
changeset
|
835 reader.js_cookie = channel; |
7967
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
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|
836 ret = json_decode(&reader, &listtv, |
45ea5ebf3a98
commit https://github.com/vim/vim/commit/595e64e259faefb330866852e1b9f6168544572a
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parents:
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changeset
|
837 channel->ch_mode == MODE_JS ? JSON_JS : 0); |
7899
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parents:
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diff
changeset
|
838 if (ret == OK) |
7868
17e6ff1a74f1
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parents:
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diff
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|
839 { |
7937
2e905dfc6999
commit https://github.com/vim/vim/commit/6076fe1986255d32b7a078a28bf9e7bea19d6f30
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parents:
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diff
changeset
|
840 /* Only accept the response when it is a list with at least two |
2e905dfc6999
commit https://github.com/vim/vim/commit/6076fe1986255d32b7a078a28bf9e7bea19d6f30
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changeset
|
841 * items. */ |
2e905dfc6999
commit https://github.com/vim/vim/commit/6076fe1986255d32b7a078a28bf9e7bea19d6f30
Christian Brabandt <cb@256bit.org>
parents:
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changeset
|
842 if (listtv.v_type != VAR_LIST || listtv.vval.v_list->lv_len < 2) |
7899
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changeset
|
843 { |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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diff
changeset
|
844 /* TODO: give error */ |
7868
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commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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diff
changeset
|
845 clear_tv(&listtv); |
7899
93c61501c2cf
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parents:
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diff
changeset
|
846 } |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
847 else |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
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|
848 { |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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parents:
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diff
changeset
|
849 item = (jsonq_T *)alloc((unsigned)sizeof(jsonq_T)); |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
850 if (item == NULL) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
851 clear_tv(&listtv); |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
852 else |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
853 { |
8041
c6443e78cf2d
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parents:
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diff
changeset
|
854 item->jq_value = alloc_tv(); |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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parents:
8039
diff
changeset
|
855 if (item->jq_value == NULL) |
7899
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diff
changeset
|
856 { |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
857 vim_free(item); |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
858 clear_tv(&listtv); |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
859 } |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
860 else |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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parents:
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diff
changeset
|
861 { |
8041
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
862 *item->jq_value = listtv; |
c6443e78cf2d
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parents:
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diff
changeset
|
863 item->jq_prev = head->jq_prev; |
c6443e78cf2d
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
864 head->jq_prev = item; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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parents:
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diff
changeset
|
865 item->jq_next = NULL; |
c6443e78cf2d
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
866 if (item->jq_prev == NULL) |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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parents:
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diff
changeset
|
867 head->jq_next = item; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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parents:
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diff
changeset
|
868 else |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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parents:
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diff
changeset
|
869 item->jq_prev->jq_next = item; |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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parents:
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diff
changeset
|
870 } |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
871 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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diff
changeset
|
872 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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parents:
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diff
changeset
|
873 } |
7885
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
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parents:
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diff
changeset
|
874 |
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
7883
diff
changeset
|
875 /* Put the unread part back into the channel. |
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
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parents:
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diff
changeset
|
876 * TODO: insert in front */ |
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
7883
diff
changeset
|
877 if (reader.js_buf[reader.js_used] != NUL) |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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parents:
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diff
changeset
|
878 { |
8041
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
879 channel_save(channel, reader.js_buf + reader.js_used, |
7885
6e6f829af138
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parents:
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diff
changeset
|
880 (int)(reader.js_end - reader.js_buf) - reader.js_used); |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
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parents:
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diff
changeset
|
881 ret = TRUE; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
882 } |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
883 else |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
884 ret = FALSE; |
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
885 |
7885
6e6f829af138
commit https://github.com/vim/vim/commit/df5b27b20ec023274fb0f5347973d5abcde7ddd6
Christian Brabandt <cb@256bit.org>
parents:
7883
diff
changeset
|
886 vim_free(reader.js_buf); |
7899
93c61501c2cf
commit https://github.com/vim/vim/commit/d7ece1008ee6173afda6d173bed486ae79c1c38a
Christian Brabandt <cb@256bit.org>
parents:
7885
diff
changeset
|
887 return ret; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
888 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
889 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
890 /* |
8074
dc32c8026899
commit https://github.com/vim/vim/commit/d46ae142aa9452e99576b5e923de974704e3c896
Christian Brabandt <cb@256bit.org>
parents:
8072
diff
changeset
|
891 * Remove "node" from the queue that it is in. Does not free it. |
7933
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
892 */ |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
893 static void |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
894 remove_cb_node(cbq_T *head, cbq_T *node) |
7933
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
895 { |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
896 if (node->cq_prev == NULL) |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
897 head->cq_next = node->cq_next; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
898 else |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
899 node->cq_prev->cq_next = node->cq_next; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
900 if (node->cq_next == NULL) |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
901 head->cq_prev = node->cq_prev; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
902 else |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
903 node->cq_next->cq_prev = node->cq_prev; |
7933
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
904 } |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
905 |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
906 /* |
1f0743f4f88f
commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
Christian Brabandt <cb@256bit.org>
parents:
7931
diff
changeset
|
907 * Remove "node" from the queue that it is in and free it. |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
908 * Caller should have freed or used node->jq_value. |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
909 */ |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
910 static void |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
911 remove_json_node(jsonq_T *head, jsonq_T *node) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
912 { |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
913 if (node->jq_prev == NULL) |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
914 head->jq_next = node->jq_next; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
915 else |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
916 node->jq_prev->jq_next = node->jq_next; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
917 if (node->jq_next == NULL) |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
918 head->jq_prev = node->jq_prev; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
919 else |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
920 node->jq_next->jq_prev = node->jq_prev; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
921 vim_free(node); |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
922 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
923 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
924 /* |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
925 * Get a message from the JSON queue for channel "channel". |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
926 * When "id" is positive it must match the first number in the list. |
7997
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
Christian Brabandt <cb@256bit.org>
parents:
7988
diff
changeset
|
927 * When "id" is zero or negative jut get the first message. But not the one |
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
Christian Brabandt <cb@256bit.org>
parents:
7988
diff
changeset
|
928 * with id ch_block_id. |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
929 * Return OK when found and return the value in "rettv". |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
930 * Return FAIL otherwise. |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
931 */ |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
932 static int |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
933 channel_get_json(channel_T *channel, int id, typval_T **rettv) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
934 { |
7997
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
Christian Brabandt <cb@256bit.org>
parents:
7988
diff
changeset
|
935 jsonq_T *head = &channel->ch_json_head; |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
936 jsonq_T *item = head->jq_next; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
937 |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
938 while (item != NULL) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
939 { |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
940 list_T *l = item->jq_value->vval.v_list; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
941 typval_T *tv = &l->lv_first->li_tv; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
942 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
943 if ((id > 0 && tv->v_type == VAR_NUMBER && tv->vval.v_number == id) |
7997
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
Christian Brabandt <cb@256bit.org>
parents:
7988
diff
changeset
|
944 || (id <= 0 && (tv->v_type != VAR_NUMBER |
8009
b2cfa3416ba0
commit https://github.com/vim/vim/commit/f6157284de71d8881f3b89fbd79d1ecbf842929f
Christian Brabandt <cb@256bit.org>
parents:
7997
diff
changeset
|
945 || tv->vval.v_number == 0 |
7997
c1c9ab17e197
commit https://github.com/vim/vim/commit/e56bf15c163a921ce9e1c09c0d5b3a03efc63324
Christian Brabandt <cb@256bit.org>
parents:
7988
diff
changeset
|
946 || tv->vval.v_number != channel->ch_block_id))) |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
947 { |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
948 *rettv = item->jq_value; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
949 remove_json_node(head, item); |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
950 return OK; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
951 } |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
952 item = item->jq_next; |
7868
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
953 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
954 return FAIL; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
955 } |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
956 |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
Christian Brabandt <cb@256bit.org>
parents:
7864
diff
changeset
|
957 /* |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
958 * Execute a command received over channel "channel". |
7864
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
959 * "cmd" is the command string, "arg2" the second argument. |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
960 * "arg3" is the third argument, NULL if missing. |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
961 */ |
7840
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
7817
diff
changeset
|
962 static void |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
8039
diff
changeset
|
963 channel_exe_cmd(channel_T *channel, char_u *cmd, typval_T *arg2, typval_T *arg3) |
7840
28f569c7dab9
commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
Christian Brabandt <cb@256bit.org>
parents:
7817
diff
changeset
|
964 { |
7864
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
965 char_u *arg; |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
966 |
6b0891de44a9
commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2
Christian Brabandt <cb@256bit.org>
parents:
7840
diff
changeset
|
967 if (arg2->v_type != VAR_STRING) |
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968 { |
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969 if (p_verbose > 2) |
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970 EMSG("E903: received ex command with non-string argument"); |
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971 return; |
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972 } |
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973 arg = arg2->vval.v_string; |
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974 if (arg == NULL) |
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975 arg = (char_u *)""; |
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976 |
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977 if (STRCMP(cmd, "ex") == 0) |
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978 { |
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979 do_cmdline_cmd(arg); |
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980 } |
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981 else if (STRCMP(cmd, "normal") == 0) |
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982 { |
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983 exarg_T ea; |
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984 |
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985 ea.arg = arg; |
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986 ea.addr_count = 0; |
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987 ea.forceit = TRUE; /* no mapping */ |
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988 ex_normal(&ea); |
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989 } |
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990 else if (STRCMP(cmd, "redraw") == 0) |
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991 { |
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992 exarg_T ea; |
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993 |
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994 ea.forceit = *arg != NUL; |
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995 ex_redraw(&ea); |
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996 showruler(FALSE); |
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997 setcursor(); |
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998 out_flush(); |
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999 #ifdef FEAT_GUI |
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1000 if (gui.in_use) |
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1001 { |
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1002 gui_update_cursor(FALSE, FALSE); |
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1003 gui_mch_flush(); |
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1004 } |
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1005 #endif |
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1006 } |
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1007 else if (STRCMP(cmd, "expr") == 0 || STRCMP(cmd, "eval") == 0) |
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1008 { |
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1009 int is_eval = cmd[1] == 'v'; |
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1010 |
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1011 if (is_eval && (arg3 == NULL || arg3->v_type != VAR_NUMBER)) |
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1012 { |
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1013 if (p_verbose > 2) |
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1014 EMSG("E904: third argument for eval must be a number"); |
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1015 } |
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1016 else |
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1017 { |
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1018 typval_T *tv; |
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1019 typval_T err_tv; |
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1020 char_u *json = NULL; |
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1021 int options = channel->ch_mode == MODE_JS ? JSON_JS : 0; |
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1022 |
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1023 /* Don't pollute the display with errors. */ |
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1024 ++emsg_skip; |
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1025 tv = eval_expr(arg, NULL); |
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1026 if (is_eval) |
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1027 { |
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1028 if (tv != NULL) |
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1029 json = json_encode_nr_expr(arg3->vval.v_number, tv, |
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1030 options); |
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1031 if (tv == NULL || (json != NULL && *json == NUL)) |
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1032 { |
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1033 /* If evaluation failed or the result can't be encoded |
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1034 * then return the string "ERROR". */ |
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1035 vim_free(json); |
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1036 free_tv(tv); |
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1037 err_tv.v_type = VAR_STRING; |
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1038 err_tv.vval.v_string = (char_u *)"ERROR"; |
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1039 tv = &err_tv; |
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1040 json = json_encode_nr_expr(arg3->vval.v_number, tv, |
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1041 options); |
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1042 } |
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1043 if (json != NULL) |
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1044 { |
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1045 channel_send(channel, json, "eval"); |
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1046 vim_free(json); |
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1047 } |
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1048 } |
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1049 --emsg_skip; |
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1050 if (tv != &err_tv) |
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1051 free_tv(tv); |
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1052 } |
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|
1053 } |
28f569c7dab9
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|
1054 else if (p_verbose > 2) |
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1055 EMSG2("E905: received unknown command: %s", cmd); |
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|
1056 } |
28f569c7dab9
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|
1057 |
28f569c7dab9
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|
1058 /* |
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|
1059 * Invoke a callback for channel "channel" if needed. |
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|
1060 * TODO: add "which" argument, read stderr. |
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|
1061 * Return TRUE when a message was handled, there might be another one. |
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|
1062 */ |
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changeset
|
1063 static int |
8041
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changeset
|
1064 may_invoke_callback(channel_T *channel) |
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|
1065 { |
7868
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|
1066 char_u *msg = NULL; |
17e6ff1a74f1
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|
1067 typval_T *listtv = NULL; |
17e6ff1a74f1
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|
1068 list_T *list; |
17e6ff1a74f1
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|
1069 typval_T *typetv; |
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|
1070 typval_T argv[3]; |
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|
1071 int seq_nr = -1; |
7967
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|
1072 ch_mode_T ch_mode = channel->ch_mode; |
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|
1073 |
7933
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commit https://github.com/vim/vim/commit/a07fec9c85d062acd9dd433a2e681770f459ba47
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|
1074 if (channel->ch_close_cb != NULL) |
7868
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1075 /* this channel is handled elsewhere (netbeans) */ |
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1076 return FALSE; |
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1077 |
8084
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1078 if (ch_mode == MODE_JSON || ch_mode == MODE_JS) |
7840
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commit https://github.com/vim/vim/commit/20fb9f346497daca4d19402fdfa5de7958642477
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|
1079 { |
7899
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1080 /* Get any json message in the queue. */ |
8041
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1081 if (channel_get_json(channel, -1, &listtv) == FAIL) |
7868
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1082 { |
7899
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1083 /* Parse readahead, return when there is still no message. */ |
8041
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|
1084 channel_parse_json(channel); |
c6443e78cf2d
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1085 if (channel_get_json(channel, -1, &listtv) == FAIL) |
7899
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1086 return FALSE; |
7868
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1087 } |
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1088 |
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commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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1089 list = listtv->vval.v_list; |
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1090 argv[1] = list->lv_first->li_next->li_tv; |
17e6ff1a74f1
commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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1091 typetv = &list->lv_first->li_tv; |
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1092 if (typetv->v_type == VAR_STRING) |
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1093 { |
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1094 typval_T *arg3 = NULL; |
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1095 char_u *cmd = typetv->vval.v_string; |
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|
1096 |
7918
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commit https://github.com/vim/vim/commit/66624ff0d9e1de2fc5eb4f95f3a3a2ed70b10138
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1097 /* ["cmd", arg] or ["cmd", arg, arg] */ |
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1098 if (list->lv_len == 3) |
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1099 arg3 = &list->lv_last->li_tv; |
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1100 ch_logs(channel, "Executing %s command", (char *)cmd); |
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1101 channel_exe_cmd(channel, cmd, &argv[1], arg3); |
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changeset
|
1102 free_tv(listtv); |
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|
1103 return TRUE; |
7868
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|
1104 } |
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1105 |
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|
1106 if (typetv->v_type != VAR_NUMBER) |
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commit https://github.com/vim/vim/commit/19d2f1589850d7db1ce77efec052929246f156e2
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|
1107 { |
8041
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|
1108 ch_error(channel, |
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1109 "Dropping message with invalid sequence number type\n"); |
8041
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diff
changeset
|
1110 free_tv(listtv); |
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|
1111 return FALSE; |
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1112 } |
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1113 seq_nr = typetv->vval.v_number; |
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1114 } |
8041
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1115 else if (channel_peek(channel) == NULL) |
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1116 { |
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1117 /* nothing to read on RAW or NL channel */ |
7899
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1118 return FALSE; |
93c61501c2cf
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1119 } |
7788
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1120 else |
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|
1121 { |
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|
1122 /* If there is no callback drop the message. */ |
8031
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1123 if (channel->ch_callback == NULL) |
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|
1124 { |
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1125 while ((msg = channel_get(channel)) != NULL) |
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changeset
|
1126 vim_free(msg); |
8031
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|
1127 return FALSE; |
8084
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|
1128 } |
3ea56a74077f
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changeset
|
1129 |
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|
1130 if (ch_mode == MODE_NL) |
3ea56a74077f
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|
1131 { |
3ea56a74077f
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parents:
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changeset
|
1132 char_u *nl; |
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|
1133 char_u *buf; |
8031
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1134 |
8084
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|
1135 /* See if we have a message ending in NL in the first buffer. If |
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1136 * not try to concatenate the first and the second buffer. */ |
3ea56a74077f
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|
1137 while (TRUE) |
3ea56a74077f
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|
1138 { |
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1139 buf = channel_peek(channel); |
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1140 nl = vim_strchr(buf, NL); |
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1141 if (nl != NULL) |
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1142 break; |
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1143 if (channel_collapse(channel) == FAIL) |
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1144 return FALSE; /* incomplete message */ |
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1145 } |
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1146 if (nl[1] == NUL) |
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1147 /* get the whole buffer */ |
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|
1148 msg = channel_get(channel); |
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1149 else |
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1150 { |
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1151 /* Copy the message into allocated memory and remove it from |
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1152 * the buffer. */ |
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1153 msg = vim_strnsave(buf, (int)(nl - buf)); |
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1154 mch_memmove(buf, nl + 1, STRLEN(nl + 1) + 1); |
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1155 } |
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1156 } |
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1157 else |
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1158 /* For a raw channel we don't know where the message ends, just |
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1159 * get everything we have. */ |
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1160 msg = channel_get_all(channel); |
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1161 |
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1162 argv[1].v_type = VAR_STRING; |
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1163 argv[1].vval.v_string = msg; |
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1164 } |
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1165 |
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1166 if (seq_nr > 0) |
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1167 { |
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1168 cbq_T *head = &channel->ch_cb_head; |
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1169 cbq_T *item = head->cq_next; |
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1170 int done = FALSE; |
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1171 |
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1172 /* invoke the one-time callback with the matching nr */ |
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1173 while (item != NULL) |
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1174 { |
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1175 if (item->cq_seq_nr == seq_nr) |
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1176 { |
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1177 ch_log(channel, "Invoking one-time callback\n"); |
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1178 /* Remove the item from the list first, if the callback |
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1179 * invokes ch_close() the list will be cleared. */ |
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1180 remove_cb_node(head, item); |
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1181 invoke_callback(channel, item->cq_callback, argv); |
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1182 vim_free(item->cq_callback); |
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1183 vim_free(item); |
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1184 done = TRUE; |
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1185 break; |
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1186 } |
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1187 item = item->cq_next; |
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1188 } |
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1189 if (!done) |
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1190 ch_log(channel, "Dropping message without callback\n"); |
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1191 } |
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1192 else if (channel->ch_callback != NULL) |
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1193 { |
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1194 /* invoke the channel callback */ |
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1195 ch_log(channel, "Invoking channel callback\n"); |
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1196 invoke_callback(channel, channel->ch_callback, argv); |
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1197 } |
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1198 else |
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1199 ch_log(channel, "Dropping message\n"); |
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1200 |
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1201 if (listtv != NULL) |
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1202 free_tv(listtv); |
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1203 vim_free(msg); |
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1204 |
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1205 return TRUE; |
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1206 } |
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1207 |
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1208 /* |
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1209 * Return TRUE when channel "channel" is open for writing to. |
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1210 * Also returns FALSE or invalid "channel". |
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1211 */ |
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1212 int |
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1213 channel_can_write_to(channel_T *channel) |
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1214 { |
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1215 return channel != NULL && (channel->CH_SOCK != CHAN_FD_INVALID |
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1216 #ifdef CHANNEL_PIPES |
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1217 || channel->CH_IN != CHAN_FD_INVALID |
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1218 #endif |
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1219 ); |
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1220 } |
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1221 |
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1222 /* |
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1223 * Return TRUE when channel "channel" is open for reading or writing. |
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1224 * Also returns FALSE for invalid "channel". |
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1225 */ |
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|
1226 int |
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|
1227 channel_is_open(channel_T *channel) |
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1228 { |
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1229 return channel != NULL && (channel->CH_SOCK != CHAN_FD_INVALID |
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|
1230 #ifdef CHANNEL_PIPES |
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|
1231 || channel->CH_IN != CHAN_FD_INVALID |
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1232 || channel->CH_OUT != CHAN_FD_INVALID |
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|
1233 || channel->CH_ERR != CHAN_FD_INVALID |
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|
1234 #endif |
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|
1235 ); |
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|
1236 } |
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|
1237 |
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|
1238 /* |
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|
1239 * Return a string indicating the status of the channel. |
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|
1240 */ |
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1241 char * |
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|
1242 channel_status(channel_T *channel) |
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1243 { |
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1244 if (channel == NULL) |
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1245 return "fail"; |
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|
1246 if (channel_is_open(channel)) |
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1247 return "open"; |
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1248 return "closed"; |
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1249 } |
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1250 |
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|
1251 /* |
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1252 * Close channel "channel". |
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1253 * This does not trigger the close callback. |
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1254 */ |
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|
1255 void |
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|
1256 channel_close(channel_T *channel) |
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1257 { |
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1258 ch_log(channel, "Closing channel\n"); |
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1259 |
8049
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1260 #ifdef FEAT_GUI |
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|
1261 channel_gui_unregister(channel); |
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1262 #endif |
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1263 |
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1264 if (channel->CH_SOCK != CHAN_FD_INVALID) |
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1265 { |
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1266 sock_close(channel->CH_SOCK); |
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1267 channel->CH_SOCK = CHAN_FD_INVALID; |
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1268 } |
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1269 #if defined(CHANNEL_PIPES) |
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1270 if (channel->CH_IN != CHAN_FD_INVALID) |
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1271 { |
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1272 fd_close(channel->CH_IN); |
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1273 channel->CH_IN = CHAN_FD_INVALID; |
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1274 } |
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1275 if (channel->CH_OUT != CHAN_FD_INVALID) |
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1276 { |
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|
1277 fd_close(channel->CH_OUT); |
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1278 channel->CH_OUT = CHAN_FD_INVALID; |
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1279 } |
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1280 if (channel->CH_ERR != CHAN_FD_INVALID) |
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1281 { |
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1282 fd_close(channel->CH_ERR); |
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1283 channel->CH_ERR = CHAN_FD_INVALID; |
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1284 } |
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1285 #endif |
8049
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1286 |
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1287 channel->ch_close_cb = NULL; |
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1288 channel_clear(channel); |
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1289 } |
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1290 |
7770
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1291 /* |
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1292 * Store "buf[len]" on channel "channel". |
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1293 * Returns OK or FAIL. |
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1294 */ |
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1295 int |
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1296 channel_save(channel_T *channel, char_u *buf, int len) |
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1297 { |
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1298 readq_T *node; |
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1299 readq_T *head = &channel->ch_head; |
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1300 char_u *p; |
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1301 int i; |
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1302 |
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1303 node = (readq_T *)alloc(sizeof(readq_T)); |
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1304 if (node == NULL) |
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1305 return FAIL; /* out of memory */ |
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1306 node->rq_buffer = alloc(len + 1); |
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1307 if (node->rq_buffer == NULL) |
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1308 { |
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1309 vim_free(node); |
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1310 return FAIL; /* out of memory */ |
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1311 } |
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1312 |
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1313 if (channel->ch_mode == MODE_NL) |
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changeset
|
1314 { |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1315 /* Drop any CR before a NL. */ |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1316 p = node->rq_buffer; |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1317 for (i = 0; i < len; ++i) |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1318 if (buf[i] != CAR || i + 1 >= len || buf[i + 1] != NL) |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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parents:
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diff
changeset
|
1319 *p++ = buf[i]; |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1320 *p = NUL; |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1321 } |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1322 else |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1323 { |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
Christian Brabandt <cb@256bit.org>
parents:
8080
diff
changeset
|
1324 mch_memmove(node->rq_buffer, buf, len); |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1325 node->rq_buffer[len] = NUL; |
3ea56a74077f
commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
1326 } |
7770
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1327 |
8041
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Christian Brabandt <cb@256bit.org>
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changeset
|
1328 /* append node to the tail of the queue */ |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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|
1329 node->rq_next = NULL; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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diff
changeset
|
1330 node->rq_prev = head->rq_prev; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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diff
changeset
|
1331 if (head->rq_prev == NULL) |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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diff
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|
1332 head->rq_next = node; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1333 else |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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diff
changeset
|
1334 head->rq_prev->rq_next = node; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
1335 head->rq_prev = node; |
7770
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1336 |
8031
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|
1337 if (log_fd != NULL) |
7770
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Christian Brabandt <cb@256bit.org>
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|
1338 { |
8041
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|
1339 ch_log_lead("RECV ", channel); |
8031
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|
1340 fprintf(log_fd, "'"); |
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
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diff
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|
1341 if (fwrite(buf, len, 1, log_fd) != 1) |
7795
4f23088b47ea
commit https://github.com/vim/vim/commit/83162468b3c8722fffea033d3de144cd4191472a
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|
1342 return FAIL; |
8031
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diff
changeset
|
1343 fprintf(log_fd, "'\n"); |
7770
42c1a4e63d12
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|
1344 } |
7795
4f23088b47ea
commit https://github.com/vim/vim/commit/83162468b3c8722fffea033d3de144cd4191472a
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|
1345 return OK; |
7770
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|
1346 } |
42c1a4e63d12
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diff
changeset
|
1347 |
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
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|
1348 /* |
42c1a4e63d12
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changeset
|
1349 * Return the first buffer from the channel without removing it. |
42c1a4e63d12
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|
1350 * Returns NULL if there is nothing. |
42c1a4e63d12
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|
1351 */ |
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1352 char_u * |
8041
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diff
changeset
|
1353 channel_peek(channel_T *channel) |
7770
42c1a4e63d12
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|
1354 { |
8041
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|
1355 readq_T *head = &channel->ch_head; |
7770
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|
1356 |
8041
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changeset
|
1357 if (head->rq_next == NULL) |
7770
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commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
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changeset
|
1358 return NULL; |
8041
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changeset
|
1359 return head->rq_next->rq_buffer; |
7770
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changeset
|
1360 } |
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1361 |
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
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parents:
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changeset
|
1362 /* |
8041
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commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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|
1363 * Clear the read buffer on channel "channel". |
7770
42c1a4e63d12
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|
1364 */ |
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1365 void |
8041
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diff
changeset
|
1366 channel_clear(channel_T *channel) |
7770
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changeset
|
1367 { |
8041
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commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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diff
changeset
|
1368 jsonq_T *json_head = &channel->ch_json_head; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1369 cbq_T *cb_head = &channel->ch_cb_head; |
7770
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parents:
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diff
changeset
|
1370 |
8041
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commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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diff
changeset
|
1371 while (channel_peek(channel) != NULL) |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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diff
changeset
|
1372 vim_free(channel_get(channel)); |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1373 |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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parents:
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diff
changeset
|
1374 while (cb_head->cq_next != NULL) |
8074
dc32c8026899
commit https://github.com/vim/vim/commit/d46ae142aa9452e99576b5e923de974704e3c896
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|
1375 { |
dc32c8026899
commit https://github.com/vim/vim/commit/d46ae142aa9452e99576b5e923de974704e3c896
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1376 cbq_T *node = cb_head->cq_next; |
dc32c8026899
commit https://github.com/vim/vim/commit/d46ae142aa9452e99576b5e923de974704e3c896
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1377 |
dc32c8026899
commit https://github.com/vim/vim/commit/d46ae142aa9452e99576b5e923de974704e3c896
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1378 remove_cb_node(cb_head, node); |
dc32c8026899
commit https://github.com/vim/vim/commit/d46ae142aa9452e99576b5e923de974704e3c896
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1379 vim_free(node->cq_callback); |
dc32c8026899
commit https://github.com/vim/vim/commit/d46ae142aa9452e99576b5e923de974704e3c896
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diff
changeset
|
1380 vim_free(node); |
dc32c8026899
commit https://github.com/vim/vim/commit/d46ae142aa9452e99576b5e923de974704e3c896
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1381 } |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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parents:
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diff
changeset
|
1382 |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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diff
changeset
|
1383 while (json_head->jq_next != NULL) |
7770
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commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
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parents:
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diff
changeset
|
1384 { |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1385 free_tv(json_head->jq_next->jq_value); |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1386 remove_json_node(json_head, json_head->jq_next); |
7770
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commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
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parents:
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diff
changeset
|
1387 } |
8055
6db4b1c863ec
commit https://github.com/vim/vim/commit/3bece9fee9c02934d3e295b29d253e13d4ef26a7
Christian Brabandt <cb@256bit.org>
parents:
8049
diff
changeset
|
1388 |
6db4b1c863ec
commit https://github.com/vim/vim/commit/3bece9fee9c02934d3e295b29d253e13d4ef26a7
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parents:
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diff
changeset
|
1389 vim_free(channel->ch_callback); |
6db4b1c863ec
commit https://github.com/vim/vim/commit/3bece9fee9c02934d3e295b29d253e13d4ef26a7
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changeset
|
1390 channel->ch_callback = NULL; |
7770
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changeset
|
1391 } |
42c1a4e63d12
commit https://github.com/vim/vim/commit/d04a020a8a8d7a438b091d49218c438880beb50c
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changeset
|
1392 |
8041
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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changeset
|
1393 #if defined(EXITFREE) || defined(PROTO) |
c6443e78cf2d
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changeset
|
1394 void |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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changeset
|
1395 channel_free_all(void) |
c6443e78cf2d
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diff
changeset
|
1396 { |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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diff
changeset
|
1397 channel_T *channel; |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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diff
changeset
|
1398 |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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changeset
|
1399 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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diff
changeset
|
1400 channel_clear(channel); |
c6443e78cf2d
commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
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diff
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|
1401 } |
c6443e78cf2d
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|
1402 #endif |
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diff
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|
1403 |
c6443e78cf2d
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diff
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|
1404 |
7770
42c1a4e63d12
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|
1405 /* Sent when the channel is found closed when reading. */ |
42c1a4e63d12
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1406 #define DETACH_MSG "\"DETACH\"\n" |
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diff
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|
1407 |
42c1a4e63d12
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diff
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|
1408 /* Buffer size for reading incoming messages. */ |
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diff
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|
1409 #define MAXMSGSIZE 4096 |
42c1a4e63d12
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diff
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|
1410 |
42c1a4e63d12
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diff
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|
1411 /* |
7788
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diff
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|
1412 * Check for reading from "fd" with "timeout" msec. |
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|
1413 * Return FAIL when there is nothing to read. |
7929
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|
1414 * Always returns OK for FEAT_GUI_W32. |
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diff
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|
1415 */ |
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|
1416 static int |
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diff
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|
1417 channel_wait(channel_T *channel, sock_T fd, int timeout) |
7788
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diff
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|
1418 { |
7929
e44240b5a6da
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|
1419 #if defined(HAVE_SELECT) && !defined(FEAT_GUI_W32) |
7788
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|
1420 struct timeval tval; |
192ae655ac91
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|
1421 fd_set rfds; |
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|
1422 int ret; |
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|
1423 |
8031
ece323e2b57f
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diff
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|
1424 if (timeout > 0) |
8041
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changeset
|
1425 ch_logn(channel, "Waiting for %d msec\n", timeout); |
8059
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Christian Brabandt <cb@256bit.org>
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|
1426 |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
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diff
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|
1427 |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
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diff
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|
1428 # ifdef WIN32 |
19304db153bc
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|
1429 if (channel->CH_SOCK == CHAN_FD_INVALID) |
19304db153bc
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Christian Brabandt <cb@256bit.org>
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|
1430 { |
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1431 DWORD nread; |
19304db153bc
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1432 int diff; |
19304db153bc
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1433 DWORD deadline = GetTickCount() + timeout; |
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1434 |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
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diff
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|
1435 /* reading from a pipe, not a socket */ |
19304db153bc
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1436 while (TRUE) |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
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diff
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|
1437 { |
8080
b6cb94ad97a4
commit https://github.com/vim/vim/commit/6aa2cd4be287f35f95f35c2cec6d5a24f53c4d3c
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parents:
8074
diff
changeset
|
1438 if (PeekNamedPipe((HANDLE)fd, NULL, 0, NULL, &nread, NULL) && nread > 0) |
8059
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
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diff
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|
1439 return OK; |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
8055
diff
changeset
|
1440 diff = deadline - GetTickCount(); |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
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diff
changeset
|
1441 if (diff < 0) |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1442 break; |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
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|
1443 /* Wait for 5 msec. |
19304db153bc
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|
1444 * TODO: increase the sleep time when looping more often */ |
19304db153bc
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1445 Sleep(5); |
19304db153bc
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Christian Brabandt <cb@256bit.org>
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|
1446 } |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1447 return FAIL; |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
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|
1448 } |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
1449 #endif |
19304db153bc
commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1450 |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
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diff
changeset
|
1451 FD_ZERO(&rfds); |
8059
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diff
changeset
|
1452 FD_SET((int)fd, &rfds); |
7788
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diff
changeset
|
1453 tval.tv_sec = timeout / 1000; |
192ae655ac91
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diff
changeset
|
1454 tval.tv_usec = (timeout % 1000) * 1000; |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1455 for (;;) |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1456 { |
8059
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commit https://github.com/vim/vim/commit/d807036d10615b960c814ef3890ecad335b57f56
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1457 ret = select((int)fd + 1, &rfds, NULL, NULL, &tval); |
7788
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commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
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parents:
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diff
changeset
|
1458 # ifdef EINTR |
192ae655ac91
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changeset
|
1459 if (ret == -1 && errno == EINTR) |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
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diff
changeset
|
1460 continue; |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1461 # endif |
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commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
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diff
changeset
|
1462 if (ret <= 0) |
8031
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Christian Brabandt <cb@256bit.org>
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diff
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|
1463 { |
8041
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diff
changeset
|
1464 ch_log(channel, "Nothing to read\n"); |
7788
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commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1465 return FAIL; |
8031
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commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1466 } |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1467 break; |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
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parents:
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diff
changeset
|
1468 } |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
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parents:
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diff
changeset
|
1469 #else |
7793
2981a37cec61
commit https://github.com/vim/vim/commit/b8b6511fc1f8422a17778d710ed11538174a7f33
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1470 # ifdef HAVE_POLL |
7788
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changeset
|
1471 struct pollfd fds; |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
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|
1472 |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
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parents:
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diff
changeset
|
1473 if (timeout > 0) |
8041
c6443e78cf2d
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Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1474 ch_logn(channel, "Waiting for %d msec\n", timeout); |
7788
192ae655ac91
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parents:
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changeset
|
1475 fds.fd = fd; |
192ae655ac91
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diff
changeset
|
1476 fds.events = POLLIN; |
192ae655ac91
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changeset
|
1477 if (poll(&fds, 1, timeout) <= 0) |
8031
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parents:
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|
1478 { |
8041
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Christian Brabandt <cb@256bit.org>
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diff
changeset
|
1479 ch_log(channel, "Nothing to read\n"); |
7788
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1480 return FAIL; |
8031
ece323e2b57f
commit https://github.com/vim/vim/commit/6463ca229cb9412581419497924c85fcbfc854ab
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1481 } |
7793
2981a37cec61
commit https://github.com/vim/vim/commit/b8b6511fc1f8422a17778d710ed11538174a7f33
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1482 # endif |
7788
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parents:
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diff
changeset
|
1483 #endif |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1484 return OK; |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1485 } |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
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parents:
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diff
changeset
|
1486 |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
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parents:
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diff
changeset
|
1487 /* |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1488 * Return a unique ID to be used in a message. |
192ae655ac91
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diff
changeset
|
1489 */ |
192ae655ac91
commit https://github.com/vim/vim/commit/3b5f929b18492fec291d1ec95a91f54e5912c03b
Christian Brabandt <cb@256bit.org>
parents:
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diff
changeset
|
1490 int |
7817
83861277e6a3
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Christian Brabandt <cb@256bit.org>
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diff
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|
1491 channel_get_id(void) |
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1492 { |
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1493 static int next_id = 1; |
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1494 |
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1495 return next_id++; |
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1496 } |
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1497 |
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1498 /* |
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1499 * Get the file descriptor to read from, either the socket or stdout. |
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1500 * TODO: should have a way to read stderr. |
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1501 */ |
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1502 static sock_T |
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1503 get_read_fd(channel_T *channel) |
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1504 { |
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1505 if (channel->CH_SOCK != CHAN_FD_INVALID) |
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1506 return channel->CH_SOCK; |
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1507 #if defined(CHANNEL_PIPES) |
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1508 if (channel->CH_OUT != CHAN_FD_INVALID) |
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1509 return channel->CH_OUT; |
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1510 #endif |
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1511 ch_error(channel, "channel_read() called while socket is closed\n"); |
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1512 return CHAN_FD_INVALID; |
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1513 } |
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1514 |
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1515 /* |
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1516 * Read from channel "channel" for as long as there is something to read. |
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1517 * "which" is CHAN_SOCK, CHAN_OUT or CHAN_ERR. When -1 use CHAN_SOCK or |
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1518 * CHAN_OUT, the one that is open. |
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1519 * The data is put in the read queue. |
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1520 */ |
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1521 void |
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1522 channel_read(channel_T *channel, int which, char *func) |
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1523 { |
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1524 static char_u *buf = NULL; |
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1525 int len = 0; |
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1526 int readlen = 0; |
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1527 sock_T fd; |
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1528 int use_socket = FALSE; |
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1529 |
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1530 if (which < 0) |
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1531 fd = get_read_fd(channel); |
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1532 else |
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1533 fd = channel->ch_pfd[which].ch_fd; |
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1534 if (fd == CHAN_FD_INVALID) |
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1535 return; |
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1536 use_socket = fd == channel->CH_SOCK; |
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1537 |
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|
1538 /* Allocate a buffer to read into. */ |
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1539 if (buf == NULL) |
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1540 { |
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1541 buf = alloc(MAXMSGSIZE); |
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1542 if (buf == NULL) |
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1543 return; /* out of memory! */ |
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1544 } |
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1545 |
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|
1546 /* Keep on reading for as long as there is something to read. |
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1547 * Use select() or poll() to avoid blocking on a message that is exactly |
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1548 * MAXMSGSIZE long. */ |
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|
1549 for (;;) |
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1550 { |
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|
1551 if (channel_wait(channel, fd, 0) == FAIL) |
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|
1552 break; |
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1553 if (use_socket) |
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1554 len = sock_read(fd, (char *)buf, MAXMSGSIZE); |
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1555 else |
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1556 len = fd_read(fd, (char *)buf, MAXMSGSIZE); |
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1557 if (len <= 0) |
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1558 break; /* error or nothing more to read */ |
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1559 |
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1560 /* Store the read message in the queue. */ |
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1561 channel_save(channel, buf, len); |
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1562 readlen += len; |
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1563 if (len < MAXMSGSIZE) |
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1564 break; /* did read everything that's available */ |
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1565 } |
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1566 #ifdef FEAT_GUI_W32 |
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1567 if (use_socket && len == SOCKET_ERROR) |
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1568 { |
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1569 /* For Win32 GUI channel_wait() always returns OK and we handle the |
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1570 * situation that there is nothing to read here. |
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1571 * TODO: how about a timeout? */ |
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1572 if (WSAGetLastError() == WSAEWOULDBLOCK) |
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1573 return; |
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1574 } |
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1575 #endif |
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1576 |
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1577 /* Reading a socket disconnection (readlen == 0), or a socket error. */ |
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1578 if (readlen <= 0) |
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1579 { |
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1580 /* Queue a "DETACH" netbeans message in the command queue in order to |
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1581 * terminate the netbeans session later. Do not end the session here |
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1582 * directly as we may be running in the context of a call to |
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1583 * netbeans_parse_messages(): |
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|
1584 * netbeans_parse_messages |
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1585 * -> autocmd triggered while processing the netbeans cmd |
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1586 * -> ui_breakcheck |
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1587 * -> gui event loop or select loop |
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1588 * -> channel_read() |
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1589 */ |
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1590 ch_errors(channel, "%s(): Cannot read\n", func); |
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1591 channel_save(channel, (char_u *)DETACH_MSG, (int)STRLEN(DETACH_MSG)); |
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1592 |
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1593 /* TODO: When reading from stdout is not possible, should we try to |
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1594 * keep stdin and stderr open? Probably not, assume the other side |
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1595 * has died. */ |
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1596 channel_close(channel); |
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1597 if (channel->ch_close_cb != NULL) |
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1598 (*channel->ch_close_cb)(); |
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1599 |
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1600 if (len < 0) |
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1601 { |
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1602 ch_error(channel, "channel_read(): cannot read from channel\n"); |
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1603 PERROR(_("E896: read from channel")); |
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1604 } |
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1605 } |
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1606 |
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1607 #if defined(CH_HAS_GUI) && defined(FEAT_GUI_GTK) |
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1608 /* signal the main loop that there is something to read */ |
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1609 if (CH_HAS_GUI && gtk_main_level() > 0) |
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1610 gtk_main_quit(); |
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1611 #endif |
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1612 } |
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1613 |
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1614 /* |
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1615 * Read from RAW or NL channel "channel". Blocks until there is something to |
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1616 * read or the timeout expires. |
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1617 * TODO: add "which" argument and read from stderr. |
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1618 * Returns what was read in allocated memory. |
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1619 * Returns NULL in case of error or timeout. |
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1620 */ |
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1621 char_u * |
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1622 channel_read_block(channel_T *channel) |
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1623 { |
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1624 char_u *buf; |
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1625 char_u *msg; |
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1626 ch_mode_T mode = channel->ch_mode; |
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1627 sock_T fd = get_read_fd(channel); |
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1628 char_u *nl; |
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|
1629 |
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1630 ch_logsn(channel, "Blocking %s read, timeout: %d msec\n", |
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1631 mode == MODE_RAW ? "RAW" : "NL", channel->ch_timeout); |
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1632 |
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|
1633 while (TRUE) |
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1634 { |
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1635 buf = channel_peek(channel); |
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|
1636 if (buf != NULL && (mode == MODE_RAW |
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1637 || (mode == MODE_NL && vim_strchr(buf, NL) != NULL))) |
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1638 break; |
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1639 if (buf != NULL && channel_collapse(channel) == OK) |
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1640 continue; |
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1641 |
7935
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1642 /* Wait for up to the channel timeout. */ |
8059
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1643 if (fd == CHAN_FD_INVALID |
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1644 || channel_wait(channel, fd, channel->ch_timeout) == FAIL) |
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1645 return NULL; |
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1646 channel_read(channel, -1, "channel_read_block"); |
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1647 } |
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1648 |
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|
1649 if (mode == MODE_RAW) |
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1650 { |
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1651 msg = channel_get_all(channel); |
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1652 } |
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1653 else |
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1654 { |
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1655 nl = vim_strchr(buf, NL); |
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1656 if (nl[1] == NUL) |
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1657 { |
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1658 /* get the whole buffer */ |
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1659 msg = channel_get(channel); |
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1660 *nl = NUL; |
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1661 } |
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1662 else |
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|
1663 { |
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|
1664 /* Copy the message into allocated memory and remove it from the |
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|
1665 * buffer. */ |
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|
1666 msg = vim_strnsave(buf, (int)(nl - buf)); |
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|
1667 mch_memmove(buf, nl + 1, STRLEN(nl + 1) + 1); |
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|
1668 } |
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commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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|
1669 } |
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|
1670 if (log_fd != NULL) |
3ea56a74077f
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|
1671 ch_logn(channel, "Returning %d bytes\n", (int)STRLEN(msg)); |
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commit https://github.com/vim/vim/commit/9a6e33a19b18f20c25b73392cd2faa3ec4890c8c
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|
1672 return msg; |
7868
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|
1673 } |
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|
1674 |
7868
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|
1675 /* |
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1676 * Read one JSON message with ID "id" from channel "channel" and store the |
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1677 * result in "rettv". |
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1678 * Blocks until the message is received or the timeout is reached. |
7868
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|
1679 */ |
17e6ff1a74f1
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|
1680 int |
8041
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|
1681 channel_read_json_block(channel_T *channel, int id, typval_T **rettv) |
7868
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|
1682 { |
7997
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|
1683 int more; |
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|
1684 sock_T fd; |
7899
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|
1685 |
8041
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|
1686 ch_log(channel, "Reading JSON\n"); |
7997
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1687 channel->ch_block_id = id; |
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|
1688 for (;;) |
17e6ff1a74f1
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|
1689 { |
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|
1690 more = channel_parse_json(channel); |
7868
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|
1691 |
17e6ff1a74f1
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|
1692 /* search for messsage "id" */ |
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|
1693 if (channel_get_json(channel, id, rettv) == OK) |
7997
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|
1694 { |
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|
1695 channel->ch_block_id = 0; |
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1696 return OK; |
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|
1697 } |
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|
1698 |
7899
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1699 if (!more) |
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1700 { |
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|
1701 /* Handle any other messages in the queue. If done some more |
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|
1702 * messages may have arrived. */ |
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1703 if (channel_parse_messages()) |
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|
1704 continue; |
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|
1705 |
7935
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|
1706 /* Wait for up to the channel timeout. */ |
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|
1707 fd = get_read_fd(channel); |
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|
1708 if (fd == CHAN_FD_INVALID |
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1709 || channel_wait(channel, fd, channel->ch_timeout) == FAIL) |
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|
1710 break; |
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|
1711 channel_read(channel, -1, "channel_read_json_block"); |
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1712 } |
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|
1713 } |
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|
1714 channel->ch_block_id = 0; |
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1715 return FAIL; |
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1716 } |
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|
1717 |
7797
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|
1718 # if defined(WIN32) || defined(PROTO) |
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|
1719 /* |
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1720 * Lookup the channel from the socket. Set "which" to the fd index. |
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1721 * Returns NULL when the socket isn't found. |
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|
1722 */ |
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|
1723 channel_T * |
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1724 channel_fd2channel(sock_T fd, int *whichp) |
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1725 { |
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1726 channel_T *channel; |
7c74cafac0a1
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1727 int i; |
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|
1728 |
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1729 if (fd != CHAN_FD_INVALID) |
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|
1730 for (channel = first_channel; channel != NULL; |
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1731 channel = channel->ch_next) |
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1732 { |
8047
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|
1733 # ifdef CHANNEL_PIPES |
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1734 for (i = CHAN_SOCK; i < CHAN_IN; ++i) |
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1735 # else |
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|
1736 i = CHAN_SOCK; |
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1737 # endif |
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1738 if (channel->ch_pfd[i].ch_fd == fd) |
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1739 { |
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1740 *whichp = i; |
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1741 return channel; |
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1742 } |
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1743 } |
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|
1744 return NULL; |
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1745 } |
e09af43f98f7
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1746 # endif |
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1747 |
7770
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|
1748 /* |
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1749 * Write "buf" (NUL terminated string) to channel "channel". |
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1750 * When "fun" is not NULL an error message might be given. |
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1751 * Return FAIL or OK. |
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1752 */ |
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1753 int |
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1754 channel_send(channel_T *channel, char_u *buf, char *fun) |
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1755 { |
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1756 int len = (int)STRLEN(buf); |
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1757 int res; |
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1758 sock_T fd = CHAN_FD_INVALID; |
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1759 int use_socket = FALSE; |
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1760 |
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1761 if (channel->CH_SOCK != CHAN_FD_INVALID) |
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1762 { |
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1763 fd = channel->CH_SOCK; |
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1764 use_socket = TRUE; |
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1765 } |
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1766 #if defined(CHANNEL_PIPES) |
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1767 else if (channel->CH_IN != CHAN_FD_INVALID) |
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1768 fd = channel->CH_IN; |
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1769 #endif |
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1770 if (fd == CHAN_FD_INVALID) |
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1771 { |
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1772 if (!channel->ch_error && fun != NULL) |
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1773 { |
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1774 ch_errors(channel, "%s(): write while not connected\n", fun); |
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1775 EMSG2("E630: %s(): write while not connected", fun); |
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1776 } |
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1777 channel->ch_error = TRUE; |
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1778 return FAIL; |
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1779 } |
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1780 |
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1781 if (log_fd != NULL) |
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1782 { |
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1783 ch_log_lead("SEND ", channel); |
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1784 fprintf(log_fd, "'"); |
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1785 ignored = (int)fwrite(buf, len, 1, log_fd); |
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1786 fprintf(log_fd, "'\n"); |
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1787 fflush(log_fd); |
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1788 } |
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1789 |
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1790 if (use_socket) |
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1791 res = sock_write(fd, (char *)buf, len); |
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1792 else |
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1793 res = fd_write(fd, (char *)buf, len); |
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1794 if (res != len) |
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1795 { |
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1796 if (!channel->ch_error && fun != NULL) |
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1797 { |
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1798 ch_errors(channel, "%s(): write failed\n", fun); |
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1799 EMSG2("E631: %s(): write failed", fun); |
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1800 } |
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1801 channel->ch_error = TRUE; |
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1802 return FAIL; |
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1803 } |
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1804 |
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1805 channel->ch_error = FALSE; |
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1806 return OK; |
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1807 } |
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1808 |
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1809 # if (defined(UNIX) && !defined(HAVE_SELECT)) || defined(PROTO) |
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1810 /* |
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1811 * Add open channels to the poll struct. |
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1812 * Return the adjusted struct index. |
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1813 * The type of "fds" is hidden to avoid problems with the function proto. |
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1814 */ |
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1815 int |
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1816 channel_poll_setup(int nfd_in, void *fds_in) |
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1817 { |
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1818 int nfd = nfd_in; |
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1819 channel_T *channel; |
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1820 struct pollfd *fds = fds_in; |
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1821 int which; |
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1822 |
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1823 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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1824 { |
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1825 # ifdef CHANNEL_PIPES |
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1826 for (which = CHAN_SOCK; which < CHAN_IN; ++which) |
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1827 # else |
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1828 which = CHAN_SOCK; |
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1829 # endif |
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1830 { |
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1831 if (channel->ch_pfd[which].ch_fd != CHAN_FD_INVALID) |
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1832 { |
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1833 channel->ch_pfd[which].ch_poll_idx = nfd; |
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1834 fds[nfd].fd = channel->ch_pfd[which].ch_fd; |
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1835 fds[nfd].events = POLLIN; |
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1836 nfd++; |
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1837 } |
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1838 else |
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1839 channel->ch_pfd[which].ch_poll_idx = -1; |
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1840 } |
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1841 } |
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1842 |
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1843 return nfd; |
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1844 } |
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1845 |
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1846 /* |
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1847 * The type of "fds" is hidden to avoid problems with the function proto. |
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1848 */ |
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1849 int |
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1850 channel_poll_check(int ret_in, void *fds_in) |
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1851 { |
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1852 int ret = ret_in; |
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1853 channel_T *channel; |
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1854 struct pollfd *fds = fds_in; |
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1855 int which; |
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1856 |
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1857 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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1858 { |
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1859 # ifdef CHANNEL_PIPES |
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1860 for (which = CHAN_SOCK; which < CH_IN; ++which) |
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1861 # else |
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1862 which = CHAN_SOCK; |
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1863 # endif |
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1864 { |
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1865 int idx = channel->ch_pfd[which].ch_poll_idx; |
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1866 |
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1867 if (ret > 0 && idx != -1 && fds[idx].revents & POLLIN) |
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1868 { |
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1869 channel_read(channel, which, "channel_poll_check"); |
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1870 --ret; |
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1871 } |
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1872 } |
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1873 } |
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1874 |
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1875 return ret; |
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1876 } |
7770
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1877 # endif /* UNIX && !HAVE_SELECT */ |
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1878 |
7797
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1879 # if (!defined(FEAT_GUI_W32) && defined(HAVE_SELECT)) || defined(PROTO) |
7743
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1880 /* |
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1881 * The type of "rfds" is hidden to avoid problems with the function proto. |
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1882 */ |
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1883 int |
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1884 channel_select_setup(int maxfd_in, void *rfds_in) |
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1885 { |
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1886 int maxfd = maxfd_in; |
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1887 channel_T *channel; |
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1888 fd_set *rfds = rfds_in; |
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1889 int which; |
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1890 |
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1891 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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1892 { |
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1893 # ifdef CHANNEL_PIPES |
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1894 for (which = CHAN_SOCK; which < CHAN_IN; ++which) |
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1895 # else |
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1896 which = CHAN_SOCK; |
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1897 # endif |
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1898 { |
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1899 sock_T fd = channel->ch_pfd[which].ch_fd; |
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1900 |
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1901 if (fd != CHAN_FD_INVALID) |
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1902 { |
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1903 FD_SET((int)fd, rfds); |
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1904 if (maxfd < (int)fd) |
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1905 maxfd = (int)fd; |
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1906 } |
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1907 } |
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1908 } |
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1909 |
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1910 return maxfd; |
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1911 } |
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1912 |
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1913 /* |
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1914 * The type of "rfds" is hidden to avoid problems with the function proto. |
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1915 */ |
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1916 int |
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1917 channel_select_check(int ret_in, void *rfds_in) |
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1918 { |
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1919 int ret = ret_in; |
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1920 channel_T *channel; |
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1921 fd_set *rfds = rfds_in; |
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1922 int which; |
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1923 |
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1924 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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1925 { |
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1926 # ifdef CHANNEL_PIPES |
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1927 for (which = CHAN_SOCK; which < CHAN_IN; ++which) |
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1928 # else |
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1929 which = CHAN_SOCK; |
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1930 # endif |
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1931 { |
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1932 sock_T fd = channel->ch_pfd[which].ch_fd; |
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1933 |
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1934 if (ret > 0 && fd != CHAN_FD_INVALID && FD_ISSET(fd, rfds)) |
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1935 { |
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1936 channel_read(channel, which, "channel_select_check"); |
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1937 --ret; |
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1938 } |
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1939 } |
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1940 } |
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1941 |
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1942 return ret; |
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1943 } |
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1944 # endif /* !FEAT_GUI_W32 && HAVE_SELECT */ |
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1945 |
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1946 /* |
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1947 * Execute queued up commands. |
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1948 * Invoked from the main loop when it's safe to execute received commands. |
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1949 * Return TRUE when something was done. |
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1950 */ |
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1951 int |
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1952 channel_parse_messages(void) |
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1953 { |
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1954 channel_T *channel = first_channel; |
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1955 int ret = FALSE; |
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1956 int r; |
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1957 |
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1958 while (channel != NULL) |
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1959 { |
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1960 /* Increase the refcount, in case the handler causes the channel to be |
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1961 * unreferenced or closed. */ |
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1962 ++channel->ch_refcount; |
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1963 r = may_invoke_callback(channel); |
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1964 if (channel_unref(channel)) |
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1965 /* channel was freed, start over */ |
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1966 channel = first_channel; |
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1967 |
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1968 if (r == OK) |
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1969 { |
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1970 channel = first_channel; /* something was done, start over */ |
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1971 ret = TRUE; |
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1972 } |
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1973 else |
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1974 channel = channel->ch_next; |
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1975 } |
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1976 return ret; |
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1977 } |
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1978 |
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1979 /* |
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1980 * Mark references to lists used in channels. |
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1981 */ |
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1982 int |
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1983 set_ref_in_channel(int copyID) |
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1984 { |
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1985 int abort = FALSE; |
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1986 channel_T *channel; |
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1987 |
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1988 for (channel = first_channel; channel != NULL; channel = channel->ch_next) |
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1989 { |
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1990 jsonq_T *head = &channel->ch_json_head; |
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1991 jsonq_T *item = head->jq_next; |
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1992 |
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1993 while (item != NULL) |
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1994 { |
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1995 list_T *l = item->jq_value->vval.v_list; |
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1996 |
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1997 if (l->lv_copyID != copyID) |
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1998 { |
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1999 l->lv_copyID = copyID; |
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2000 abort = abort || set_ref_in_list(l, copyID, NULL); |
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2001 } |
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2002 item = item->jq_next; |
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2003 } |
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2004 } |
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2005 return abort; |
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2006 } |
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2007 |
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2008 /* |
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2009 * Return the mode of channel "channel". |
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2010 * If "channel" is invalid returns MODE_JSON. |
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2011 */ |
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2012 ch_mode_T |
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Christian Brabandt <cb@256bit.org>
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2013 channel_get_mode(channel_T *channel) |
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commit https://github.com/vim/vim/commit/ae8eb3ca927f1b0ac2a6643da8699538cdc380f6
Christian Brabandt <cb@256bit.org>
parents:
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2014 { |
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commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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changeset
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2015 if (channel == NULL) |
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commit https://github.com/vim/vim/commit/ae8eb3ca927f1b0ac2a6643da8699538cdc380f6
Christian Brabandt <cb@256bit.org>
parents:
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2016 return MODE_JSON; |
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commit https://github.com/vim/vim/commit/7707344ddec9069b495b2a5ed41f2104466fc88b
Christian Brabandt <cb@256bit.org>
parents:
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2017 return channel->ch_mode; |
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commit https://github.com/vim/vim/commit/ae8eb3ca927f1b0ac2a6643da8699538cdc380f6
Christian Brabandt <cb@256bit.org>
parents:
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diff
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2018 } |
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commit https://github.com/vim/vim/commit/ae8eb3ca927f1b0ac2a6643da8699538cdc380f6
Christian Brabandt <cb@256bit.org>
parents:
7982
diff
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2019 |
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commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a
Christian Brabandt <cb@256bit.org>
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2020 #endif /* FEAT_CHANNEL */ |