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/*
* Copyright (c) 1988 Regents of the University of California.
* Copyright (c) 1993, 1994 Chris Provenzano proven@mit.edu
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)perror.c 5.11 (Berkeley) 2/24/91";
#endif /* LIBC_SCCS and not lint */
#include <pthread.h>
#include <unistd.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
char *strerror(int); /* For systems that don't prototype it in string.h */
void
perror(s)
const char *s;
{
char * e;
if (fd_lock(STDERR_FILENO, FD_WRITE, NULL) == OK) {
if (s && *s) {
fd_table[STDERR_FILENO]->ops->write(fd_table[STDERR_FILENO]->fd,
fd_table[STDERR_FILENO]->flags, s, strlen(s), NULL);
fd_table[STDERR_FILENO]->ops->write(fd_table[STDERR_FILENO]->fd,
fd_table[STDERR_FILENO]->flags, ": ", 2, NULL);
}
e = strerror(errno);
fd_table[STDERR_FILENO]->ops->write(fd_table[STDERR_FILENO]->fd,
fd_table[STDERR_FILENO]->flags, e, strlen(e), NULL);
fd_table[STDERR_FILENO]->ops->write(fd_table[STDERR_FILENO]->fd,
fd_table[STDERR_FILENO]->flags, "\n", 1, NULL);
fd_unlock(STDERR_FILENO, FD_WRITE);
}
}
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