newlib-cygwin/newlib/libc/posix/execl.c

53 lines
977 B
C

#ifndef _NO_EXECVE
/* execl.c */
/* This and the other exec*.c files in this directory require
the target to provide the _execve syscall. */
#include <_ansi.h>
#include <unistd.h>
/* Only deal with a pointer to environ, to work around subtle bugs with shared
libraries and/or small data systems where the user declares his own
'environ'. */
static char ***p_environ = &environ;
#ifdef _HAVE_STDC
#include <stdarg.h>
int
_DEFUN(execl, (path, arg0, ...),
_CONST char *path _AND
_CONST char *arg0 _DOTS)
#else
#include <varargs.h>
int
_DEFUN(execl, (path, arg0, va_alist),
_CONST char *path _AND
_CONST char *arg0 _AND
va_dcl)
#endif
{
int i;
va_list args;
_CONST char *argv[256];
va_start (args, arg0);
argv[0] = arg0;
i = 1;
do
argv[i] = va_arg (args, _CONST char *);
while (argv[i++] != NULL);
va_end (args);
return _execve (path, (char * _CONST *) argv, *p_environ);
}
#endif /* !_NO_EXECVE */