1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
#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,
_CONST char *arg0 _DOTS)
#else
#include <varargs.h>
int
_DEFUN(execl, (path, arg0, va_alist),
_CONST char *path,
_CONST char *arg0,
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 */
|
