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authorAndreas Schwab <schwab@linux-m68k.org>2012-12-22 17:24:44 +0100
committerAndreas Schwab <schwab@linux-m68k.org>2013-01-03 11:18:04 +0100
commit2f5f40f465c5c1af651727e756fd007fd11f2236 (patch)
treead9f3b9459925b440ec1537ecba5fc5286c8d323 /malloc
parent4056f4a03a524c94bdd02515e855043c8bb041d2 (diff)
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mtrace: properly handle realloc (p, 0)
Diffstat (limited to 'malloc')
-rw-r--r--malloc/mtrace.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/malloc/mtrace.c b/malloc/mtrace.c
index af3b7f8ada..e9ccfa299d 100644
--- a/malloc/mtrace.c
+++ b/malloc/mtrace.c
@@ -219,8 +219,13 @@ tr_reallochook (ptr, size, caller)
 
   tr_where (caller, info);
   if (hdr == NULL)
-    /* Failed realloc.  */
-    fprintf (mallstream, "! %p %#lx\n", ptr, (unsigned long int) size);
+    {
+      if (size != 0)
+	/* Failed realloc.  */
+	fprintf (mallstream, "! %p %#lx\n", ptr, (unsigned long int) size);
+      else
+	fprintf (mallstream, "- %p\n", ptr);
+    }
   else if (ptr == NULL)
     fprintf (mallstream, "+ %p %#lx\n", hdr, (unsigned long int) size);
   else