patch/patch-2.7.6-abort_when_cleaning_up_fails.patch

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commit b7b028a77bd855f6f56b17c8837fc1cca77b469d
Author: Andreas Gruenbacher <agruen@gnu.org>
Date: Fri Jun 28 00:30:25 2019 +0200
Abort when cleaning up fails
When a fatal error triggers during cleanup, another attempt will be made to
clean up, which will likely lead to the same fatal error. So instead, bail out
when that happens.
src/patch.c (cleanup): Bail out when called recursively.
(main): There is no need to call output_files() before cleanup() as cleanup()
already does that.
diff --git a/src/patch.c b/src/patch.c
index 4616a48..02fd982 100644
--- a/src/patch.c
+++ b/src/patch.c
@@ -685,7 +685,6 @@ main (int argc, char **argv)
}
if (outstate.ofp && (ferror (outstate.ofp) || fclose (outstate.ofp) != 0))
write_fatal ();
- output_files (NULL);
cleanup ();
delete_files ();
if (somefailed)
@@ -1991,7 +1990,6 @@ void
fatal_exit (int sig)
{
cleanup ();
-
if (sig)
exit_with_signal (sig);
@@ -2011,6 +2009,12 @@ remove_if_needed (char const *name, bool *needs_removal)
static void
cleanup (void)
{
+ static bool already_cleaning_up;
+
+ if (already_cleaning_up)
+ return;
+ already_cleaning_up = true;
+
remove_if_needed (TMPINNAME, &TMPINNAME_needs_removal);
remove_if_needed (TMPOUTNAME, &TMPOUTNAME_needs_removal);
remove_if_needed (TMPPATNAME, &TMPPATNAME_needs_removal);