src/vimrun.c

   1 /* vi:set ts=8 sts=4 sw=4:
   2  *
   3  * VIM - Vi IMproved    by Bram Moolenaar
   4  *                      this file by Vince Negri
   5  *
   6  * Do ":help uganda"  in Vim to read copying and usage conditions.
   7  * Do ":help credits" in Vim to see a list of people who contributed.
   8  * See README.txt for an overview of the Vim source code.
   9  */
  10
  11 /*
  12  * vimrun.c - Tiny Win32 program to safely run an external command in a
  13  *            DOS console.
  14  *            This program is required to avoid that typing CTRL-C in the DOS
  15  *            console kills Vim.  Now it only kills vimrun.
  16  */
  17
  18 #include <stdio.h>
  19 #include <stdlib.h>
  20 #ifndef __CYGWIN__
  21 # include <conio.h>
  22 #endif
  23
  24 #ifdef __BORLANDC__
  25 extern char *
  26 #ifdef _RTLDLL
  27 __import
  28 #endif
  29 _oscmd;
  30 # define _kbhit kbhit
  31 # define _getch getch
  32 #else
  33 # ifdef __MINGW32__
  34 #  ifndef WIN32_LEAN_AND_MEAN
  35 #   define WIN32_LEAN_AND_MEAN
  36 #  endif
  37 #  include <windows.h>
  38 # else
  39 #  ifdef __CYGWIN__
  40 #   ifndef WIN32_LEAN_AND_MEAN
  41 #    define WIN32_LEAN_AND_MEAN
  42 #   endif
  43 #   include <windows.h>
  44 #   define _getch getchar
  45 #  else
  46 extern char *_acmdln;
  47 #  endif
  48 # endif
  49 #endif
  50
  51     int
  52 main(void)
  53 {
  54     const char  *p;
  55     int         retval;
  56     int         inquote = 0;
  57     int         silent = 0;
  58
  59 #ifdef __BORLANDC__
  60     p = _oscmd;
  61 #else
  62 # if defined(__MINGW32__) || defined(__CYGWIN__)
  63     p = (const char *)GetCommandLine();
  64 # else
  65     p = _acmdln;
  66 # endif
  67 #endif
  68     /*
  69      * Skip the executable name, which might be in "".
  70      */
  71     while (*p)
  72     {
  73         if (*p == '"')
  74             inquote = !inquote;
  75         else if (!inquote && *p == ' ')
  76         {
  77             ++p;
  78             break;
  79         }
  80         ++p;
  81     }
  82
  83     /*
  84      * "-s" argument: don't wait for a key hit.
  85      */
  86     if (p[0] == '-' && p[1] == 's' && p[2] == ' ')
  87     {
  88         silent = 1;
  89         p += 3;
  90         while (*p == ' ')
  91             ++p;
  92     }
  93
  94     /* Print the command, including quotes and redirection. */
  95     puts(p);
  96
  97     /*
  98      * Do it!
  99      */
 100     retval = system(p);
 101
 102     if (retval == -1)
 103         perror("vimrun system(): ");
 104     else if (retval != 0)
 105         printf("shell returned %d\n", retval);
 106
 107     if (!silent)
 108     {
 109         puts("Hit any key to close this window...");
 110
 111 #ifndef __CYGWIN__
 112         while (_kbhit())
 113             (void)_getch();
 114 #endif
 115         (void)_getch();
 116     }
 117
 118     return retval;
 119 }