[PATCH] malloc, realloc: fix recently-introduced #undef typos

[Paul Eggert]

* lib/malloc.c (malloc):
* lib/realloc.c (malloc, realloc): #undef before using.
---
 ChangeLog     | 6 ++++++
 lib/malloc.c  | 3 +++
 lib/realloc.c | 4 ++++
 3 files changed, 13 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 7c519ee44..3207c22cf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2021-04-16  Paul Eggert  <eggert@cs.ucla.edu>
+
+       malloc, realloc: fix recently-introduced #undef typos
+       * lib/malloc.c (malloc):
+       * lib/realloc.c (malloc, realloc): #undef before using.
+
 2021-04-14  Bruno Haible  <bruno@clisp.org>
 
        hamt tests: Fix link error.
diff --git a/lib/malloc.c b/lib/malloc.c
index 7b5ae9589..272b8b9f4 100644
--- a/lib/malloc.c
+++ b/lib/malloc.c
@@ -33,6 +33,9 @@
 
 # include <errno.h>
 
+/* Call the system's malloc below.  */
+# undef malloc
+
 /* Allocate an N-byte block of memory from the heap.
    If N is zero, allocate a 1-byte block.  */
 
diff --git a/lib/realloc.c b/lib/realloc.c
index 3bf1bea2d..c3e3cdfc5 100644
--- a/lib/realloc.c
+++ b/lib/realloc.c
@@ -40,6 +40,10 @@
 
 # include <errno.h>
 
+/* Call the system's malloc and realloc below.  */
+# undef malloc
+# undef realloc
+
 /* Change the size of an allocated block of memory P to N bytes,
    with error checking.  If N is zero, change it to 1.  If P is NULL,
    use malloc.  */
-- 
2.30.2