diff options
Diffstat (limited to 'stdio-common/perror.c')
-rw-r--r-- | stdio-common/perror.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/stdio-common/perror.c b/stdio-common/perror.c deleted file mode 100644 index d109c63607..0000000000 --- a/stdio-common/perror.c +++ /dev/null @@ -1,83 +0,0 @@ -/* Copyright (C) 1991-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <wchar.h> -#include "libioP.h" - -static void -perror_internal (FILE *fp, const char *s, int errnum) -{ - char buf[1024]; - const char *colon; - const char *errstring; - - if (s == NULL || *s == '\0') - s = colon = ""; - else - colon = ": "; - - errstring = __strerror_r (errnum, buf, sizeof buf); - - (void) __fxprintf (fp, "%s%s%s\n", s, colon, errstring); -} - - -/* Print a line on stderr consisting of the text in S, a colon, a space, - a message describing the meaning of the contents of `errno' and a newline. - If S is NULL or "", the colon and space are omitted. */ -void -perror (const char *s) -{ - int errnum = errno; - FILE *fp; - int fd = -1; - - - /* The standard says that 'perror' must not change the orientation - of the stream. What is supposed to happen when the stream isn't - oriented yet? In this case we'll create a new stream which is - using the same underlying file descriptor. */ - if (__builtin_expect (_IO_fwide (stderr, 0) != 0, 1) - || (fd = __fileno (stderr)) == -1 - || (fd = __dup (fd)) == -1 - || (fp = fdopen (fd, "w+")) == NULL) - { - if (__glibc_unlikely (fd != -1)) - __close (fd); - - /* Use standard error as is. */ - perror_internal (stderr, s, errnum); - } - else - { - /* We don't have to do any special hacks regarding the file - position. Since the stderr stream wasn't used so far we just - write to the descriptor. */ - perror_internal (fp, s, errnum); - - if (_IO_ferror_unlocked (fp)) - stderr->_flags |= _IO_ERR_SEEN; - - /* Close the stream. */ - fclose (fp); - } -} -libc_hidden_def (perror) |