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29 lines
1.0 KiB
29 lines
1.0 KiB
commit 84f6bfce2c37e32b9888321fc3131ffbbe6deeba
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Author: Siddhesh Poyarekar <siddhesh@sourceware.org>
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Date: Tue Sep 3 14:58:33 2024 -0400
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libio: Attempt wide backup free only for non-legacy code
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_wide_data and _mode are not available in legacy code, so do not attempt
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to free the wide backup buffer in legacy code.
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Resolves: BZ #32137 and BZ #27821
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Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
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Reviewed-by: Florian Weimer <fweimer@redhat.com>
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(cherry picked from commit ae4d44b1d501421ad9a3af95279b8f4d1546f1ce)
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diff --git a/libio/genops.c b/libio/genops.c
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index bb1d9594ebb60375..02292beed9bc3668 100644
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--- a/libio/genops.c
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+++ b/libio/genops.c
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@@ -792,7 +792,7 @@ _IO_unbuffer_all (void)
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/* Free up the backup area if it was ever allocated. */
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if (_IO_have_backup (fp))
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_IO_free_backup_area (fp);
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- if (fp->_mode > 0 && _IO_have_wbackup (fp))
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+ if (!legacy && fp->_mode > 0 && _IO_have_wbackup (fp))
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_IO_free_wbackup_area (fp);
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if (! (fp->_flags & _IO_UNBUFFERED)
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