cosmopolitan/libc/testlib/extract.c
2022-10-02 09:15:46 -07:00

40 lines
2.4 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 2022 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/mem/copyfd.internal.h"
#include "libc/sysv/consts/o.h"
#include "libc/testlib/testlib.h"
STATIC_YOINK("zip_uri_support");
/**
* Extracts zip asset to filesystem.
*
* @param zip is name of asset in zip executable central directory
* @param to is local filesystem path to which it's extracted
* @param mode is file mode used for `to`
*/
void testlib_extract(const char *zip, const char *to, int mode) {
int fdin, fdout;
ASSERT_NE(-1, (fdin = open(zip, O_RDONLY)));
ASSERT_NE(-1, (fdout = creat(to, mode)));
ASSERT_NE(-1, _copyfd(fdin, fdout, -1));
ASSERT_NE(-1, close(fdout));
ASSERT_NE(-1, close(fdin));
}