gcc/config/winnt/spawnv.c

   1 /* This is a kludge to get around the Microsoft C spawn functions' propensity
   2    to remove the outermost set of double quotes from all arguments.  */
   3
   4 #define index(s,c) strchr((s),(c))
   5
   6 extern char *malloc ();
   7
   8 const char * const *
   9 fix_argv (argv)
  10   char **argv;
  11 {
  12   static char sh_chars[] = "\"";
  13
  14   int i, len;
  15   char *new_argv;
  16   char *p, *ap;
  17
  18   for (i=1; argv[i]; i++)
  19     {
  20
  21       len = strlen (argv[i]);
  22       new_argv = malloc (2*len+3);
  23       ap = new_argv;
  24
  25       for (p = argv[i]; *p != '\0'; ++p)
  26         {
  27           if (index (sh_chars, *p) != 0)
  28             *ap++ = '\\';
  29           *ap++ = *p;
  30         }
  31       *ap = '\0';
  32       argv[i] = new_argv;
  33     }
  34
  35   return (const char * const *) argv;
  36 }
  37
  38 int __spawnv (mode, cmdname, argv)
  39   int mode;
  40   const char *cmdname;
  41   char **argv;
  42 {
  43   _spawnv (mode, cmdname, fix_argv (argv));
  44 }
  45
  46 int __spawnvp (mode, cmdname, argv)
  47   int mode;
  48   const char *cmdname;
  49   char **argv;
  50 {
  51   _spawnvp (mode, cmdname, fix_argv (argv));
  52 }
  53
  54 int spawnve (mode, cmdname, argv, envp)
  55   int mode;
  56   const char *cmdname;
  57   char **argv;
  58   const char *const *envp;
  59 {
  60   _spawnve (mode, cmdname, fix_argv (argv), envp);
  61 }
  62
  63 int __spawnvpe (mode, cmdname, argv, envp)
  64   int mode;
  65   const char *cmdname;
  66   char **argv;
  67   const char *const *envp;
  68 {
  69   _spawnvpe (mode, cmdname, fix_argv (argv), envp);
  70 }
  71