From b03fe9f5ae89fb104b2079a0471114724f68292c Mon Sep 17 00:00:00 2001
From: Eli Zaretskii <eliz@gnu.org>
Date: Sat, 12 May 2001 10:52:38 +0000
Subject: [PATCH] (malloc, realloc, free) [emacs]: Undefine before redefining,
 to avoid compiler warnings.

---
 regex.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/regex.c b/regex.c
index b3d0658c7d..9fe099c712 100644
--- a/regex.c
+++ b/regex.c
@@ -124,8 +124,17 @@
 # include "charset.h"
 # include "category.h"
 
+# ifdef malloc
+#  undef malloc
+# endif
 # define malloc xmalloc
+# ifdef realloc
+#  undef realloc
+# endif
 # define realloc xrealloc
+# ifdef free
+#  undef free
+# endif
 # define free xfree
 
 /* Converts the pointer to the char to BEG-based offset from the start.	 */
-- 
2.30.2