cosmopolitan/libc/stdio/stderr.c
Justine Tunney c776a32f75
Replace COSMO define with _COSMO_SOURCE
This change might cause ABI breakages for /opt/cosmos. It's needed to
help us better conform to header declaration practices.
2023-08-13 20:55:04 -07:00

42 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=8 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/stdio/internal.h"
#include "libc/stdio/stdio.h"
#include "libc/sysv/consts/fileno.h"
#include "libc/sysv/consts/o.h"
#include "libc/thread/thread.h"
/**
* Pointer to standard error stream.
*/
FILE *stderr;
static FILE __stderr;
__attribute__((__constructor__)) static void __stderr_init(void) {
stderr = &__stderr;
stderr->fd = STDERR_FILENO;
stderr->bufmode = _IONBF;
stderr->iomode = O_WRONLY;
stderr->buf = stderr->mem;
stderr->size = sizeof(stderr->mem);
stderr->lock._type = PTHREAD_MUTEX_RECURSIVE;
__fflush_register(stderr);
}