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Write the message to stderr, not file descriptor 2, so that perror()

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writes to the correct stream if stderr has been redirected with freopen().
This commit is contained in:
Tim J. Robbins 2002-12-19 09:53:26 +00:00
parent a207a8e3f1
commit 37d2356335
1 changed files with 7 additions and 1 deletions

8
lib/libc/stdio/perror.c

@ -46,6 +46,8 @@ __FBSDID("$FreeBSD$");
#include <stdio.h>
#include <string.h>
#include "un-namespace.h"
#include "libc_private.h"
#include "local.h"
void
perror(s)
@ -70,5 +72,9 @@ perror(s)
v++;
v->iov_base = "\n";
v->iov_len = 1;
(void)_writev(STDERR_FILENO, iov, (v - iov) + 1);
FLOCKFILE(stderr);
__sflush(stderr);
(void)_writev(stderr->_file, iov, (v - iov) + 1);
stderr->_flags &= ~__SOFF;
FUNLOCKFILE(stderr);
}