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

diff --git a/src/regex.c b/src/regex.c
index b3d0658c7dc..9fe099c7125 100644
--- a/src/regex.c
+++ b/src/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.	 */