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authorSiddhesh Poyarekar <siddhesh@sourceware.org>2024-09-03 14:58:33 -0400
committerSiddhesh Poyarekar <siddhesh@sourceware.org>2024-09-04 09:29:35 -0400
commitae4d44b1d501421ad9a3af95279b8f4d1546f1ce (patch)
treeafc2c82cba6fec9744354cf33bef553bf42b04a1
parentDo not set errno for overflowing NaN payload in strtod/nan (bug 32045) (diff)
downloadglibc-ae4d44b1d501421ad9a3af95279b8f4d1546f1ce.tar.xz
glibc-ae4d44b1d501421ad9a3af95279b8f4d1546f1ce.zip
libio: Attempt wide backup free only for non-legacy code
_wide_data and _mode are not available in legacy code, so do not attempt to free the wide backup buffer in legacy code. Resolves: BZ #32137 and BZ #27821 Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org> Reviewed-by: Florian Weimer <fweimer@redhat.com>
-rw-r--r--libio/genops.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libio/genops.c b/libio/genops.c
index 35d8b30710..6f20d49669 100644
--- a/libio/genops.c
+++ b/libio/genops.c
@@ -819,7 +819,7 @@ _IO_unbuffer_all (void)
/* Free up the backup area if it was ever allocated. */
if (_IO_have_backup (fp))
_IO_free_backup_area (fp);
- if (fp->_mode > 0 && _IO_have_wbackup (fp))
+ if (!legacy && fp->_mode > 0 && _IO_have_wbackup (fp))
_IO_free_wbackup_area (fp);
if (! (fp->_flags & _IO_UNBUFFERED)