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authorUlrich Drepper <drepper@redhat.com>2006-10-12 21:52:54 +0000
committerUlrich Drepper <drepper@redhat.com>2006-10-12 21:52:54 +0000
commit90a0991a65186a68adc8caeec97da7678434040c (patch)
tree046da9d513e185386b8f4ed054525786a882f28f /elf
parentde932366d43aba9a74010f4fb8b8da2f89cf1249 (diff)
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[BZ #3352]
2006-10-12  Richard Sandiford  <richard@codesourcery.com>
	[BZ #3352]
	* elf/dl-minimal.c (realloc): Let malloc() return a new pointer,
	and use memcpy() if it does.
		
Diffstat (limited to 'elf')
-rw-r--r--elf/dl-minimal.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/elf/dl-minimal.c b/elf/dl-minimal.c
index 868d3bd2ed..44b8c3718b 100644
--- a/elf/dl-minimal.c
+++ b/elf/dl-minimal.c
@@ -128,13 +128,14 @@ free (void *ptr)
 void * weak_function
 realloc (void *ptr, size_t n)
 {
-  void *new;
   if (ptr == NULL)
     return malloc (n);
   assert (ptr == alloc_last_block);
+  size_t old_size = alloc_ptr - alloc_last_block;
   alloc_ptr = alloc_last_block;
-  new = malloc (n);
-  assert (new == ptr);
+  void *new = malloc (n);
+  if (new != ptr)
+    memcpy (new, ptr, old_size);
   return new;
 }