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| author | Andreas Schwab <schwab@redhat.com> | 2009-10-29 11:27:53 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2009-10-29 11:27:53 -0700 |
| commit | d79eccd6dd8aa2038a9775689a7072fe3ceb40dc (patch) | |
| tree | a0f289d1eba1f699664bebc831c190c29e8a128b | |
| parent | 22bc5239e1c7d97b0642af6c135af994586f8e82 (diff) | |
| download | glibc-d79eccd6dd8aa2038a9775689a7072fe3ceb40dc.zip glibc-d79eccd6dd8aa2038a9775689a7072fe3ceb40dc.tar.gz glibc-d79eccd6dd8aa2038a9775689a7072fe3ceb40dc.tar.bz2 | |
Fix errno handling in posix_openpt.
The implementation of posix_openpt on Linux can fail in a few extra
ways if the appropriate pseudo filesystems are not mounted etc. In
some of these cases we have to explicitly set errno.
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/getpt.c | 7 |
2 files changed, 10 insertions, 2 deletions
@@ -1,3 +1,8 @@ +2009-10-27 Andreas Schwab <schwab@redhat.com> + + * sysdeps/unix/sysv/linux/getpt.c (__posix_openpt): Make sure + errno is always set when returning unsuccessfully. + 2009-10-29 Andreas Schwab <schwab@redhat.com> * malloc/memusage.c (update_data): Fix index wraparound handling diff --git a/sysdeps/unix/sysv/linux/getpt.c b/sysdeps/unix/sysv/linux/getpt.c index bb1ea47..6b26fdf 100644 --- a/sysdeps/unix/sysv/linux/getpt.c +++ b/sysdeps/unix/sysv/linux/getpt.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc. +/* Copyright (C) 1998, 1999, 2001, 2009 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998. @@ -64,9 +64,10 @@ __posix_openpt (oflag) } /* If /dev/pts is not mounted then the UNIX98 pseudo terminals - are not usable. */ + are not usable. */ __close (fd); have_no_dev_ptmx = 1; + __set_errno (ENOENT); } else { @@ -76,6 +77,8 @@ __posix_openpt (oflag) return -1; } } + else + __set_errno (ENOENT); return -1; } |