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| author |   Ulrich Drepper <drepper@gmail.com> | 2011-05-21 00:42:06 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-05-21 00:42:06 -0400 |
| commit | aec84f53952315ac1bd91036e37113d9cb3a303b (patch) | |
| tree | c14c6c1a134a245094506dad430c951493b2eeed | |
| parent | Don't unconditionally use alloca in gaih_inet (diff) | |
| download | glibc-aec84f53952315ac1bd91036e37113d9cb3a303b.tar.gz glibc-aec84f53952315ac1bd91036e37113d9cb3a303b.tar.bz2 glibc-aec84f53952315ac1bd91036e37113d9cb3a303b.zip | |
Set stream errors in more cases
Also avoid unnecessarily setting errno when testing for TTY.
| -rw-r--r-- | ChangeLog | 10 | ||||
| -rw-r--r-- | NEWS | 4 | ||||
| -rw-r--r-- | libio/filedoalloc.c | 17 | ||||
| -rw-r--r-- | stdio-common/perror.c | 7 | ||||
| -rw-r--r-- | stdio-common/vfprintf.c | 1 |
5 files changed, 33 insertions, 6 deletions
@@ -1,3 +1,13 @@ +2011-05-21 Ulrich Drepper <drepper@gmail.com> + + [BZ #12792] + * libio/filedoalloc.c (local_isatty): New function. + (_IO_file_doallocate): Use local_isatty. + * stdio-common/perror.c (perror): In case a new stream is used + forward the stream error. + * stdio-common/vfprintf.c (ARGCHECK): For read-only streams also set + error flag. + 2011-05-20 Ulrich Drepper <drepper@gmail.com> [BZ #11869] @@ -1,4 +1,4 @@ -GNU C Library NEWS -- history of user-visible changes. 2011-5-20 +GNU C Library NEWS -- history of user-visible changes. 2011-5-21 Copyright (C) 1992-2009, 2010, 2011 Free Software Foundation, Inc. See the end for copying conditions. @@ -16,7 +16,7 @@ Version 2.14 12454, 12460, 12469, 12489, 12509, 12510, 12511, 12518, 12527, 12541, 12545, 12551, 12582, 12583, 12587, 12597, 12601, 12611, 12625, 12626, 12631, 12650, 12653, 12655, 12660, 12681, 12685, 12711, 12713, 12714, - 12717, 12723, 12724, 12734, 12738, 12746, 12766, 12775 + 12717, 12723, 12724, 12734, 12738, 12746, 12766, 12775, 12792 * The RPC implementation in libc is obsoleted. Old programs keep working but new programs cannot be linked with the routines in libc anymore. diff --git a/libio/filedoalloc.c b/libio/filedoalloc.c index ca02dbeb34..4f62dcd910 100644 --- a/libio/filedoalloc.c +++ b/libio/filedoalloc.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993, 1997, 2001, 2002 Free Software Foundation, Inc. +/* Copyright (C) 1993, 1997, 2001, 2002, 2011 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 @@ -41,7 +41,7 @@ 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 @@ -74,6 +74,17 @@ # include <device-nrs.h> #endif + +static int +local_isatty (int fd) +{ + int save_errno = errno; + int res = isatty (fd); + __set_errno (save_errno); + return res; +} + + /* * Allocate a file buffer, or switch to unbuffered I/O. * Per the ANSI C standard, ALL tty devices default to line buffered. @@ -109,7 +120,7 @@ _IO_file_doallocate (fp) #ifdef DEV_TTY_P DEV_TTY_P (&st) || #endif - isatty (fp->_fileno)) + local_isatty (fp->_fileno)) fp->_flags |= _IO_LINE_BUF; } #if _IO_HAVE_ST_BLKSIZE diff --git a/stdio-common/perror.c b/stdio-common/perror.c index 3ee61520f4..dedc922ccd 100644 --- a/stdio-common/perror.c +++ b/stdio-common/perror.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1991-1993,1997,1998,2000-2005 Free Software Foundation, Inc. +/* Copyright (C) 1991-1993,1997,1998,2000-2005,2011 + 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 @@ -73,6 +74,10 @@ perror (const char *s) 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); } diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c index cfa4c30b78..753a5ac150 100644 --- a/stdio-common/vfprintf.c +++ b/stdio-common/vfprintf.c @@ -52,6 +52,7 @@ CHECK_FILE (S, -1); \ if (S->_flags & _IO_NO_WRITES) \ { \ + S->_flags |= _IO_ERR_SEEN; \ __set_errno (EBADF); \ return -1; \ } \ |