cosmopolitan/libc/calls/hefty/execve.c
2020-12-27 17:18:44 -08:00

42 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 2020 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/calls/hefty/internal.h"
#include "libc/calls/internal.h"
#include "libc/dce.h"
/**
* Replaces current process with program.
*
* @param program will not be PATH searched, see commandv()
* @param argv[0] is the name of the program to run
* @param argv[1,n-2] optionally specify program arguments
* @param argv[n-1] is NULL
* @param envp[0,n-2] specifies "foo=bar" environment variables
* @param envp[n-1] is NULL
* @return doesn't return, or -1 w/ errno
* @asyncsignalsafe
*/
int execve(const char *program, char *const argv[], char *const envp[]) {
if (!IsWindows()) {
return execve$sysv(program, argv, envp);
} else {
return execve$nt(program, argv, envp);
}
}