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annotate src/vimrun.c @ 20119:35c4224dc232

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Added tag v8.2.0614 for changeset 252d2bb9039427746fcc4682382a42f1c2b29cb7
author Bram Moolenaar <Bram@vim.org>
date Tue, 21 Apr 2020 22:15:05 +0200
parents 85160a3649b9
children 2559dc02bd64
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1 /* vi:set ts=8 sts=4 sw=4 noet:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 * this file by Vince Negri
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5 *
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6 * Do ":help uganda" in Vim to read copying and usage conditions.
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7 * Do ":help credits" in Vim to see a list of people who contributed.
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8 * See README.txt for an overview of the Vim source code.
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9 */
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10
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11 /*
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12 * vimrun.c - Tiny Win32 program to safely run an external command in a
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13 * DOS console.
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14 * This program is required to avoid that typing CTRL-C in the DOS
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15 * console kills Vim. Now it only kills vimrun.
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16 */
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17
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18 #include <stdio.h>
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19 #include <stdlib.h>
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20 #include <conio.h>
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21 #ifndef WIN32_LEAN_AND_MEAN
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22 # define WIN32_LEAN_AND_MEAN
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23 #endif
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24 #include <windows.h>
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25
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26 int
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27 main(void)
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28 {
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29 const wchar_t *p;
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30 wchar_t *cmd;
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31 size_t cmdlen;
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32 int retval;
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33 int inquote = 0;
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34 int silent = 0;
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35 HANDLE hstdout;
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36 DWORD written;
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37
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38 p = (const wchar_t *)GetCommandLineW();
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39
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40 /*
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41 * Skip the executable name, which might be in "".
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42 */
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43 while (*p)
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44 {
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45 if (*p == L'"')
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46 inquote = !inquote;
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47 else if (!inquote && *p == L' ')
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48 {
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49 ++p;
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50 break;
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51 }
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52 ++p;
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53 }
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54 while (*p == L' ')
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55 ++p;
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56
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57 /*
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58 * "-s" argument: don't wait for a key hit.
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59 */
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60 if (p[0] == L'-' && p[1] == L's' && p[2] == L' ')
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61 {
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62 silent = 1;
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63 p += 3;
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64 while (*p == L' ')
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65 ++p;
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66 }
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67
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68 // Print the command, including quotes and redirection.
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69 hstdout = GetStdHandle(STD_OUTPUT_HANDLE);
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70 WriteConsoleW(hstdout, p, wcslen(p), &written, NULL);
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71 WriteConsoleW(hstdout, L"\r\n", 2, &written, NULL);
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72
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73 // If the command starts and ends with double quotes,
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74 // Enclose the command in parentheses.
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75 cmd = NULL;
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76 cmdlen = wcslen(p);
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77 if (cmdlen >= 2 && p[0] == L'"' && p[cmdlen - 1] == L'"')
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78 {
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79 cmdlen += 3;
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80 cmd = (wchar_t *)malloc(cmdlen * sizeof(wchar_t));
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81 if (cmd == NULL)
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82 {
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83 perror("vimrun malloc(): ");
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84 return -1;
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85 }
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86 _snwprintf(cmd, cmdlen, L"(%s)", p);
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87 p = cmd;
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88 }
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89
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90 /*
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91 * Do it!
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92 */
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93 retval = _wsystem(p);
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94
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95 if (cmd)
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96 free(cmd);
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97
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98 if (retval == -1)
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99 perror("vimrun system(): ");
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100 else if (retval != 0)
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101 printf("shell returned %d\n", retval);
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102
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103 if (!silent)
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104 {
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105 puts("Hit any key to close this window...");
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106
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107 while (_kbhit())
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108 (void)_getch();
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109 (void)_getch();
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110 }
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111
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112 return retval;
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113 }