toolchain/gcc/newlib/libc/posix/execle.c

   1 /* execle.c */
   2
   3 /* This and the other exec*.c files in this directory require
   4    the target to provide the _execve syscall.  */
   5
   6 #include <_ansi.h>
   7 #include <unistd.h>
   8
   9 #ifdef _HAVE_STDC
  10
  11 #include <stdarg.h>
  12
  13 int
  14 _DEFUN(execle, (path, arg0, ...),
  15       _CONST char *path _AND
  16       _CONST char *arg0 _DOTS)
  17
  18 #else
  19
  20 #include <varargs.h>
  21
  22 int
  23 _DEFUN(execle, (path, arg0, va_alist),
  24      _CONST char *path _AND
  25      _CONST char *arg0 _AND
  26      va_dcl)
  27
  28 #endif
  29
  30 {
  31   int i;
  32   va_list args;
  33   _CONST char * _CONST *envp;
  34   _CONST char *argv[256];
  35
  36   va_start (args, arg0);
  37   argv[0] = arg0;
  38   i = 1;
  39   do
  40     argv[i] = va_arg (args, _CONST char *);
  41   while (argv[i++] != NULL);
  42   envp = va_arg (args, _CONST char * _CONST *);
  43   va_end (args);
  44
  45   return _execve (path, (char * _CONST *) argv, (char * _CONST *) envp);
  46 }