cosmopolitan/libc/runtime/zipos-close.c
Jōshin 5c35863524
Rename __zipos_free -> __zipos_drop (#1043)
Removes the separate decref function, uses keep/drop in the internal
API.
2023-12-26 12:08:57 -05:00

45 lines
2.4 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│ vi: set et 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/internal.h"
#include "libc/calls/state.internal.h"
#include "libc/calls/syscall-sysv.internal.h"
#include "libc/dce.h"
#include "libc/runtime/zipos.internal.h"
/**
* Closes compressed object.
*
* @param fd is vetted by close()
* @asyncsignalsafe
* @vforksafe
*/
int __zipos_close(int fd) {
int rc;
if (!IsWindows()) {
rc = sys_close(fd);
} else {
rc = 0; // no system file descriptor needed on nt
}
if (!__vforked) {
struct ZiposHandle *h;
h = (struct ZiposHandle *)(intptr_t)g_fds.p[fd].handle;
__zipos_drop(h);
}
return rc;
}