win32sdk/execwait.c

   1 /*
   2  * $Id: execwait.c,v 1.2 2001/10/21 20:32:03 cwolf Exp $
   3  */
   4 #include <windows.h>
   5 #include <winbase.h>
   6 #include <stdio.h>
   7 #include <string.h>
   8
   9
  10 /**
  11  * Execute a command and wait for it's completion.
  12  *
  13  * @author Matthijs Laan
  14  */
  15 int main(int argc, char **argv)
  16 {
  17   STARTUPINFO si;
  18   PROCESS_INFORMATION pi;
  19
  20   char *cmdline;
  21   int   argend;
  22   int   i;
  23
  24   if(argc==1)
  25   {
  26     (void)fprintf(stderr, "Usage: execandwait commands\n");
  27     exit(1);
  28   }
  29
  30   for(i=1,
  31       cmdline = (char *)malloc(strlen(argv[1]) + 1),
  32       *cmdline = '\0';
  33       i<argc; i++)
  34   {
  35     (void)strcat(cmdline, argv[i]);
  36     (void)strcat(cmdline, " ");
  37
  38     argend = strlen(cmdline);
  39
  40     if (i+1 < argc)
  41     {
  42       cmdline = (char *)realloc(cmdline,
  43                                 strlen(cmdline) + strlen(argv[i+1]) + 1);
  44       *(cmdline + argend) = '\0'; // restore null terminator
  45     }
  46   }
  47
  48   memset(&si, 0, sizeof(si));
  49   si.cb = sizeof(si);
  50
  51   if(!CreateProcess(NULL, cmdline, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi))
  52   {
  53     (void)fprintf(stderr, "CreateProcess failed\n");
  54     exit(1);
  55   }
  56
  57   WaitForSingleObject(pi.hProcess, INFINITE);
  58
  59   return 0;
  60 }