annotate src/libvterm/src/vterm.c @ 16825:ce04ebdf26b8 v8.1.1414

patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts commit https://github.com/vim/vim/commit/c799fe206e61f2e2c1231bc46cbe4bb354f3da69 Author: Bram Moolenaar <Bram@vim.org> Date: Tue May 28 23:08:19 2019 +0200 patch 8.1.1414: alloc() returning "char_u *" causes a lot of type casts Problem: Alloc() returning "char_u *" causes a lot of type casts. Solution: Have it return "void *". (Mike Williams) Define ALLOC_ONE() to check the simple allocations.
author Bram Moolenaar <Bram@vim.org>
date Tue, 28 May 2019 23:15:10 +0200
parents 544490b69e1d
children 811a12a78164
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #define DEFINE_INLINES
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2
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3 /* vim: set sw=2 : */
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4 #include "vterm_internal.h"
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5
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6 #include <stdio.h>
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7 #include <stdlib.h>
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8 #include <stdarg.h>
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9 #include <string.h>
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10
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11 #include "utf8.h"
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12
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13 /*****************
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14 * API functions *
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15 *****************/
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16
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17 static void *default_malloc(size_t size, void *allocdata UNUSED)
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18 {
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19 void *ptr = malloc(size);
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20 if(ptr)
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21 memset(ptr, 0, size);
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22 return ptr;
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23 }
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24
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25 static void default_free(void *ptr, void *allocdata UNUSED)
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26 {
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27 free(ptr);
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28 }
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29
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30 static VTermAllocatorFunctions default_allocator = {
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31 &default_malloc, // malloc
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32 &default_free // free
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33 };
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34
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35 VTerm *vterm_new(int rows, int cols)
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36 {
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37 return vterm_new_with_allocator(rows, cols, &default_allocator, NULL);
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38 }
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39
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40 VTerm *vterm_new_with_allocator(int rows, int cols, VTermAllocatorFunctions *funcs, void *allocdata)
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41 {
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42 /* Need to bootstrap using the allocator function directly */
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43 VTerm *vt = (*funcs->malloc)(sizeof(VTerm), allocdata);
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44
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45 if (vt == NULL)
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46 return NULL;
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47 vt->allocator = funcs;
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48 vt->allocdata = allocdata;
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49
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50 vt->rows = rows;
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51 vt->cols = cols;
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52
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53 vt->parser.state = NORMAL;
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54
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55 vt->parser.callbacks = NULL;
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56 vt->parser.cbdata = NULL;
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57
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58 vt->parser.strbuffer_len = 500; /* should be able to hold an OSC string */
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59 vt->parser.strbuffer_cur = 0;
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60 vt->parser.strbuffer = vterm_allocator_malloc(vt, vt->parser.strbuffer_len);
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61 if (vt->parser.strbuffer == NULL)
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62 {
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63 vterm_allocator_free(vt, vt);
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64 return NULL;
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65 }
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66
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67 vt->outbuffer_len = 200;
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68 vt->outbuffer_cur = 0;
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69 vt->outbuffer = vterm_allocator_malloc(vt, vt->outbuffer_len);
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70 if (vt->outbuffer == NULL)
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71 {
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72 vterm_allocator_free(vt, vt->parser.strbuffer);
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73 vterm_allocator_free(vt, vt);
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74 return NULL;
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75 }
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76
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77 return vt;
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78 }
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79
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80 void vterm_free(VTerm *vt)
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81 {
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82 if(vt->screen)
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83 vterm_screen_free(vt->screen);
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84
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85 if(vt->state)
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86 vterm_state_free(vt->state);
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87
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88 vterm_allocator_free(vt, vt->parser.strbuffer);
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89 vterm_allocator_free(vt, vt->outbuffer);
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90
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91 vterm_allocator_free(vt, vt);
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92 }
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93
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94 INTERNAL void *vterm_allocator_malloc(VTerm *vt, size_t size)
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95 {
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96 return (*vt->allocator->malloc)(size, vt->allocdata);
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97 }
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98
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99 /*
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100 * Free "ptr" unless it is NULL.
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101 */
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102 INTERNAL void vterm_allocator_free(VTerm *vt, void *ptr)
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103 {
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104 if (ptr)
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105 (*vt->allocator->free)(ptr, vt->allocdata);
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106 }
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107
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108 void vterm_get_size(const VTerm *vt, int *rowsp, int *colsp)
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109 {
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110 if(rowsp)
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111 *rowsp = vt->rows;
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112 if(colsp)
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113 *colsp = vt->cols;
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114 }
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115
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116 void vterm_set_size(VTerm *vt, int rows, int cols)
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117 {
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118 vt->rows = rows;
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119 vt->cols = cols;
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120
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121 if(vt->parser.callbacks && vt->parser.callbacks->resize)
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122 (*vt->parser.callbacks->resize)(rows, cols, vt->parser.cbdata);
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123 }
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124
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125 int vterm_get_utf8(const VTerm *vt)
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126 {
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127 return vt->mode.utf8;
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128 }
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129
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130 void vterm_set_utf8(VTerm *vt, int is_utf8)
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131 {
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132 vt->mode.utf8 = is_utf8;
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133 }
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134
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135 INTERNAL void vterm_push_output_bytes(VTerm *vt, const char *bytes, size_t len)
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parents:
diff changeset
136 {
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parents:
diff changeset
137 if(len > vt->outbuffer_len - vt->outbuffer_cur) {
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diff changeset
138 DEBUG_LOG("vterm_push_output(): buffer overflow; truncating output\n");
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parents:
diff changeset
139 len = vt->outbuffer_len - vt->outbuffer_cur;
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parents:
diff changeset
140 }
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parents:
diff changeset
141
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parents:
diff changeset
142 memcpy(vt->outbuffer + vt->outbuffer_cur, bytes, len);
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parents:
diff changeset
143 vt->outbuffer_cur += len;
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parents:
diff changeset
144 }
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parents:
diff changeset
145
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parents:
diff changeset
146 static int outbuffer_is_full(VTerm *vt)
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diff changeset
147 {
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diff changeset
148 return vt->outbuffer_cur >= vt->outbuffer_len - 1;
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diff changeset
149 }
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diff changeset
150
12507
47da4dcc897e patch 8.0.1132: #if condition is not portable
Christian Brabandt <cb@256bit.org>
parents: 12076
diff changeset
151 #if (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE >= 500) \
47da4dcc897e patch 8.0.1132: #if condition is not portable
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diff changeset
152 || defined(_ISOC99_SOURCE) || defined(_BSD_SOURCE)
11653
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153 # undef VSNPRINTF
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diff changeset
154 # define VSNPRINTF vsnprintf
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
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parents: 11621
diff changeset
155 #else
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
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diff changeset
156 # ifdef VSNPRINTF
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diff changeset
157 /* Use a provided vsnprintf() function. */
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
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parents: 11621
diff changeset
158 int VSNPRINTF(char *str, size_t str_m, const char *fmt, va_list ap);
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diff changeset
159 # endif
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diff changeset
160 #endif
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161
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diff changeset
162
11621
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163 INTERNAL void vterm_push_output_vsprintf(VTerm *vt, const char *format, va_list args)
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164 {
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165 int written;
11653
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diff changeset
166 #ifndef VSNPRINTF
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diff changeset
167 /* When vsnprintf() is not available (C90) fall back to vsprintf(). */
11621
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168 char buffer[1024]; /* 1Kbyte is enough for everybody, right? */
11653
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diff changeset
169 #endif
11621
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170
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parents:
diff changeset
171 if(outbuffer_is_full(vt)) {
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diff changeset
172 DEBUG_LOG("vterm_push_output(): buffer overflow; truncating output\n");
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diff changeset
173 return;
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parents:
diff changeset
174 }
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parents:
diff changeset
175
11653
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
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parents: 11621
diff changeset
176 #ifdef VSNPRINTF
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
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parents: 11621
diff changeset
177 written = VSNPRINTF(vt->outbuffer + vt->outbuffer_cur,
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
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parents: 11621
diff changeset
178 vt->outbuffer_len - vt->outbuffer_cur,
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
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parents: 11621
diff changeset
179 format, args);
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
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diff changeset
180
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
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parents: 11621
diff changeset
181 if(written == (int)(vt->outbuffer_len - vt->outbuffer_cur)) {
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
Christian Brabandt <cb@256bit.org>
parents: 11621
diff changeset
182 /* output was truncated */
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
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parents: 11621
diff changeset
183 vt->outbuffer_cur = vt->outbuffer_len - 1;
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
Christian Brabandt <cb@256bit.org>
parents: 11621
diff changeset
184 }
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
Christian Brabandt <cb@256bit.org>
parents: 11621
diff changeset
185 else
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
Christian Brabandt <cb@256bit.org>
parents: 11621
diff changeset
186 vt->outbuffer_cur += written;
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
Christian Brabandt <cb@256bit.org>
parents: 11621
diff changeset
187 #else
11621
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parents:
diff changeset
188 written = vsprintf(buffer, format, args);
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diff changeset
189
15166
694594a0d25d patch 8.1.0593: illegal memory access in libvterm test
Bram Moolenaar <Bram@vim.org>
parents: 13770
diff changeset
190 if(written >= (int)(vt->outbuffer_len - vt->outbuffer_cur - 1)) {
11621
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parents:
diff changeset
191 /* output was truncated */
15166
694594a0d25d patch 8.1.0593: illegal memory access in libvterm test
Bram Moolenaar <Bram@vim.org>
parents: 13770
diff changeset
192 written = vt->outbuffer_len - vt->outbuffer_cur - 1;
11621
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parents:
diff changeset
193 }
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
194 if (written > 0)
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parents:
diff changeset
195 {
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
196 strncpy(vt->outbuffer + vt->outbuffer_cur, buffer, written + 1);
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diff changeset
197 vt->outbuffer_cur += written;
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parents:
diff changeset
198 }
11653
67cf0d45b006 patch 8.0.0709: libvterm cannot use vsnprintf()
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parents: 11621
diff changeset
199 #endif
11621
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diff changeset
200 }
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parents:
diff changeset
201
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parents:
diff changeset
202 INTERNAL void vterm_push_output_sprintf(VTerm *vt, const char *format, ...)
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diff changeset
203 {
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diff changeset
204 va_list args;
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parents:
diff changeset
205 va_start(args, format);
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parents:
diff changeset
206 vterm_push_output_vsprintf(vt, format, args);
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diff changeset
207 va_end(args);
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parents:
diff changeset
208 }
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diff changeset
209
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parents:
diff changeset
210 INTERNAL void vterm_push_output_sprintf_ctrl(VTerm *vt, unsigned char ctrl, const char *fmt, ...)
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parents:
diff changeset
211 {
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parents:
diff changeset
212 size_t orig_cur = vt->outbuffer_cur;
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parents:
diff changeset
213 va_list args;
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parents:
diff changeset
214
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parents:
diff changeset
215 if(ctrl >= 0x80 && !vt->mode.ctrl8bit)
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parents:
diff changeset
216 vterm_push_output_sprintf(vt, ESC_S "%c", ctrl - 0x40);
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
217 else
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
218 vterm_push_output_sprintf(vt, "%c", ctrl);
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parents:
diff changeset
219
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
220 va_start(args, fmt);
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parents:
diff changeset
221 vterm_push_output_vsprintf(vt, fmt, args);
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
222 va_end(args);
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
223
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
224 if(outbuffer_is_full(vt))
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
225 vt->outbuffer_cur = orig_cur;
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
226 }
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parents:
diff changeset
227
b8299e742f41 patch 8.0.0693: no terminal emulator support
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parents:
diff changeset
228 INTERNAL void vterm_push_output_sprintf_dcs(VTerm *vt, const char *fmt, ...)
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parents:
diff changeset
229 {
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
230 size_t orig_cur = vt->outbuffer_cur;
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
231 va_list args;
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parents:
diff changeset
232
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
233 if(!vt->mode.ctrl8bit)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
234 vterm_push_output_sprintf(vt, ESC_S "%c", C1_DCS - 0x40);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
235 else
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
236 vterm_push_output_sprintf(vt, "%c", C1_DCS);
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
237
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
238 va_start(args, fmt);
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
239 vterm_push_output_vsprintf(vt, fmt, args);
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
240 va_end(args);
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
241
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
242 vterm_push_output_sprintf_ctrl(vt, C1_ST, "");
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
243
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
244 if(outbuffer_is_full(vt))
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
245 vt->outbuffer_cur = orig_cur;
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
246 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
247
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
248 size_t vterm_output_get_buffer_size(const VTerm *vt)
b8299e742f41 patch 8.0.0693: no terminal emulator support
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parents:
diff changeset
249 {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
250 return vt->outbuffer_len;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
251 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
252
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
253 size_t vterm_output_get_buffer_current(const VTerm *vt)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
254 {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
255 return vt->outbuffer_cur;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
256 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
257
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
258 size_t vterm_output_get_buffer_remaining(const VTerm *vt)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
259 {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
260 return vt->outbuffer_len - vt->outbuffer_cur;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
261 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
262
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
263 size_t vterm_output_read(VTerm *vt, char *buffer, size_t len)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
264 {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
265 if(len > vt->outbuffer_cur)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
266 len = vt->outbuffer_cur;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
267
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
268 memcpy(buffer, vt->outbuffer, len);
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Christian Brabandt <cb@256bit.org>
parents:
diff changeset
269
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
270 if(len < vt->outbuffer_cur)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
271 memmove(vt->outbuffer, vt->outbuffer + len, vt->outbuffer_cur - len);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
272
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
273 vt->outbuffer_cur -= len;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
274
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
275 return len;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
276 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
277
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
278 VTermValueType vterm_get_attr_type(VTermAttr attr)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
279 {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
280 switch(attr) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
281 case VTERM_ATTR_BOLD: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
282 case VTERM_ATTR_UNDERLINE: return VTERM_VALUETYPE_INT;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
283 case VTERM_ATTR_ITALIC: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
284 case VTERM_ATTR_BLINK: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
285 case VTERM_ATTR_REVERSE: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
286 case VTERM_ATTR_STRIKE: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
287 case VTERM_ATTR_FONT: return VTERM_VALUETYPE_INT;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
288 case VTERM_ATTR_FOREGROUND: return VTERM_VALUETYPE_COLOR;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
289 case VTERM_ATTR_BACKGROUND: return VTERM_VALUETYPE_COLOR;
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 13318
diff changeset
290
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 13318
diff changeset
291 case VTERM_N_ATTRS: return 0;
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
292 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
293 return 0; /* UNREACHABLE */
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
294 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
295
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
296 VTermValueType vterm_get_prop_type(VTermProp prop)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
297 {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
298 switch(prop) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
299 case VTERM_PROP_CURSORVISIBLE: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
300 case VTERM_PROP_CURSORBLINK: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
301 case VTERM_PROP_ALTSCREEN: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
302 case VTERM_PROP_TITLE: return VTERM_VALUETYPE_STRING;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
303 case VTERM_PROP_ICONNAME: return VTERM_VALUETYPE_STRING;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
304 case VTERM_PROP_REVERSE: return VTERM_VALUETYPE_BOOL;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
305 case VTERM_PROP_CURSORSHAPE: return VTERM_VALUETYPE_INT;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
306 case VTERM_PROP_MOUSE: return VTERM_VALUETYPE_INT;
12076
ca4931a20f8c patch 8.0.0918: cannot get terminal window cursor shape or attributes
Christian Brabandt <cb@256bit.org>
parents: 11653
diff changeset
307 case VTERM_PROP_CURSORCOLOR: return VTERM_VALUETYPE_STRING;
13531
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 13318
diff changeset
308
9f857e6310b6 patch 8.0.1639: libvterm code lags behind master
Christian Brabandt <cb@256bit.org>
parents: 13318
diff changeset
309 case VTERM_N_PROPS: return 0;
11621
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
310 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
311 return 0; /* UNREACHABLE */
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
312 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
313
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
314 void vterm_scroll_rect(VTermRect rect,
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
315 int downward,
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
316 int rightward,
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
317 int (*moverect)(VTermRect src, VTermRect dest, void *user),
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
318 int (*eraserect)(VTermRect rect, int selective, void *user),
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
319 void *user)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
320 {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
321 VTermRect src;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
322 VTermRect dest;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
323
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
324 if(abs(downward) >= rect.end_row - rect.start_row ||
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
325 abs(rightward) >= rect.end_col - rect.start_col) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
326 /* Scroll more than area; just erase the lot */
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
327 (*eraserect)(rect, 0, user);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
328 return;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
329 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
330
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
331 if(rightward >= 0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
332 /* rect: [XXX................]
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
333 * src: [----------------]
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
334 * dest: [----------------]
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
335 */
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
336 dest.start_col = rect.start_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
337 dest.end_col = rect.end_col - rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
338 src.start_col = rect.start_col + rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
339 src.end_col = rect.end_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
340 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
341 else {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
342 /* rect: [................XXX]
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
343 * src: [----------------]
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
344 * dest: [----------------]
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
345 */
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
346 int leftward = -rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
347 dest.start_col = rect.start_col + leftward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
348 dest.end_col = rect.end_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
349 src.start_col = rect.start_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
350 src.end_col = rect.end_col - leftward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
351 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
352
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
353 if(downward >= 0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
354 dest.start_row = rect.start_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
355 dest.end_row = rect.end_row - downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
356 src.start_row = rect.start_row + downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
357 src.end_row = rect.end_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
358 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
359 else {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
360 int upward = -downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
361 dest.start_row = rect.start_row + upward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
362 dest.end_row = rect.end_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
363 src.start_row = rect.start_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
364 src.end_row = rect.end_row - upward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
365 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
366
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
367 if(moverect)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
368 (*moverect)(dest, src, user);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
369
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
370 if(downward > 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
371 rect.start_row = rect.end_row - downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
372 else if(downward < 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
373 rect.end_row = rect.start_row - downward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
374
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
375 if(rightward > 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
376 rect.start_col = rect.end_col - rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
377 else if(rightward < 0)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
378 rect.end_col = rect.start_col - rightward;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
379
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
380 (*eraserect)(rect, 0, user);
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
381 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
382
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
383 void vterm_copy_cells(VTermRect dest,
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
384 VTermRect src,
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
385 void (*copycell)(VTermPos dest, VTermPos src, void *user),
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
386 void *user)
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
387 {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
388 int downward = src.start_row - dest.start_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
389 int rightward = src.start_col - dest.start_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
390
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
391 int init_row, test_row, init_col, test_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
392 int inc_row, inc_col;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
393
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
394 VTermPos pos;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
395
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
396 if(downward < 0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
397 init_row = dest.end_row - 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
398 test_row = dest.start_row - 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
399 inc_row = -1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
400 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
401 else /* downward >= 0 */ {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
402 init_row = dest.start_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
403 test_row = dest.end_row;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
404 inc_row = +1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
405 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
406
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
407 if(rightward < 0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
408 init_col = dest.end_col - 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
409 test_col = dest.start_col - 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
410 inc_col = -1;
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
411 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
Christian Brabandt <cb@256bit.org>
parents:
diff changeset
412 else /* rightward >= 0 */ {
b8299e742f41 patch 8.0.0693: no terminal emulator support
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parents:
diff changeset
413 init_col = dest.start_col;
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parents:
diff changeset
414 test_col = dest.end_col;
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parents:
diff changeset
415 inc_col = +1;
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parents:
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416 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
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parents:
diff changeset
417
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parents:
diff changeset
418 for(pos.row = init_row; pos.row != test_row; pos.row += inc_row)
b8299e742f41 patch 8.0.0693: no terminal emulator support
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parents:
diff changeset
419 for(pos.col = init_col; pos.col != test_col; pos.col += inc_col) {
b8299e742f41 patch 8.0.0693: no terminal emulator support
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parents:
diff changeset
420 VTermPos srcpos;
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parents:
diff changeset
421 srcpos.row = pos.row + downward;
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parents:
diff changeset
422 srcpos.col = pos.col + rightward;
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parents:
diff changeset
423 (*copycell)(pos, srcpos, user);
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parents:
diff changeset
424 }
b8299e742f41 patch 8.0.0693: no terminal emulator support
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parents:
diff changeset
425 }