mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 19:43:32 +00:00
47b3274665
- Add rusage to redbean Lua API - Add more redbean documentation - Add pledge() to redbean Lua API - Polyfill OpenBSD pledge() for Linux - Increase PATH_MAX limit to 1024 characters - Untrack sibling processes after fork() on Windows
50 lines
2.5 KiB
C
50 lines
2.5 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 2021 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ Permission to use, copy, modify, and/or distribute this software for │
|
|
│ any purpose with or without fee is hereby granted, provided that the │
|
|
│ above copyright notice and this permission notice appear in all copies. │
|
|
│ │
|
|
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
|
|
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
|
|
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
|
|
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
|
|
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
|
|
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
|
|
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
|
│ PERFORMANCE OF THIS SOFTWARE. │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/calls/calls.h"
|
|
#include "libc/dce.h"
|
|
#include "libc/macros.internal.h"
|
|
#include "libc/paths.h"
|
|
#include "libc/runtime/runtime.h"
|
|
#include "libc/str/str.h"
|
|
#include "libc/sysv/errfuns.h"
|
|
|
|
/**
|
|
* Executes system command replacing current process.
|
|
* @vforksafe
|
|
*/
|
|
int systemexec(const char *cmdline) {
|
|
size_t n, m;
|
|
char *a, *b, *argv[4], comspec[PATH_MAX];
|
|
if (!IsWindows()) {
|
|
argv[0] = _PATH_BSHELL;
|
|
argv[1] = "-c";
|
|
} else {
|
|
b = "cmd.exe";
|
|
a = kNtSystemDirectory;
|
|
if ((n = strlen(a)) + (m = strlen(b)) >= ARRAYLEN(comspec)) {
|
|
return enametoolong();
|
|
}
|
|
memcpy(mempcpy(comspec, a, n), b, m + 1);
|
|
argv[0] = comspec;
|
|
argv[1] = "/C";
|
|
}
|
|
argv[2] = cmdline;
|
|
argv[3] = NULL;
|
|
return execv(argv[0], argv);
|
|
}
|