mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 19:43:32 +00:00
49 lines
2.7 KiB
C
49 lines
2.7 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
||
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
|
||
╞══════════════════════════════════════════════════════════════════════════════╡
|
||
│ Copyright 2020 Justine Alexandra Roberts Tunney │
|
||
│ │
|
||
│ This program is free software; you can redistribute it and/or modify │
|
||
│ it under the terms of the GNU General Public License as published by │
|
||
│ the Free Software Foundation; version 2 of the License. │
|
||
│ │
|
||
│ This program is distributed in the hope that it will be useful, but │
|
||
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
|
||
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
|
||
│ General Public License for more details. │
|
||
│ │
|
||
│ You should have received a copy of the GNU General Public License │
|
||
│ along with this program; if not, write to the Free Software │
|
||
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
|
||
│ 02110-1301 USA │
|
||
╚─────────────────────────────────────────────────────────────────────────────*/
|
||
#include "libc/calls/hefty/mkvarargv.h"
|
||
#include "libc/calls/hefty/spawn.h"
|
||
#include "libc/mem/mem.h"
|
||
#include "libc/runtime/runtime.h"
|
||
|
||
/**
|
||
* Launches program, with current environment.
|
||
*
|
||
* @param stdiofds may optionally be passed to customize standard i/o
|
||
* @param stdiofds[𝑖] may be -1 to receive a pipe() fd
|
||
* @param prog is program to launch (may be PATH searched)
|
||
* @param arg[0] is the name of the program to run
|
||
* @param arg[1,n-2] optionally specify program arguments
|
||
* @param arg[n-1] is NULL
|
||
* @return pid of child, or -1 w/ errno
|
||
*/
|
||
int spawnl(unsigned flags, int stdiofds[3], const char *exe, const char *arg,
|
||
... /*, NULL*/) {
|
||
int rc;
|
||
va_list va;
|
||
void *argv;
|
||
rc = -1;
|
||
va_start(va, arg);
|
||
if ((argv = mkvarargv(arg, va))) {
|
||
rc = spawnve(flags, stdiofds, exe, argv, environ);
|
||
free(argv);
|
||
}
|
||
va_end(va);
|
||
return rc;
|
||
}
|