From fc9d2252afcdb43a26cab90969f6c42bd97c277c Mon Sep 17 00:00:00 2001
From: "Andrew M. Kuchling" <amk@amk.ca>
Date: Fri, 18 Feb 2000 19:16:45 +0000
Subject: [PATCH] Patch from Vladimir Marangozov <marangoz@python.inrialpes.fr>
The same problem (mixed mallocs) exists for the pcre stack. The
buffers md->... are allocated via PyMem_RESIZE in grow_stack(), while
in free_stack() they are released with free() instead of PyMem_DEL().
---
Modules/pypcre.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/Modules/pypcre.c b/Modules/pypcre.c
index 976eb21fc3..468751d2c8 100644
--- a/Modules/pypcre.c
+++ b/Modules/pypcre.c
@@ -3057,12 +3057,12 @@ return TRUE;
static int free_stack(match_data *md)
{
/* Free any stack space that was allocated by the call to match(). */
-if (md->off_num) free(md->off_num);
-if (md->offset_top) free(md->offset_top);
-if (md->r1) free(md->r1);
-if (md->r2) free(md->r2);
-if (md->eptr) free((char *)md->eptr);
-if (md->ecode) free((char *)md->ecode);
+if (md->off_num) PyMem_DEL(md->off_num);
+if (md->offset_top) PyMem_DEL(md->offset_top);
+if (md->r1) PyMem_DEL(md->r1);
+if (md->r2) PyMem_DEL(md->r2);
+if (md->eptr) PyMem_DEL((char *)md->eptr);
+if (md->ecode) PyMem_DEL((char *)md->ecode);
return 0;
}
--
2.49.0