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authormalc <malc@c046a42c-6fe2-441c-8c8c-71466251a162>2009-01-28 17:16:56 +0000
committermalc <malc@c046a42c-6fe2-441c-8c8c-71466251a162>2009-01-28 17:16:56 +0000
commitbaa8c602295b1d33844503ce0a172b85f84646d3 (patch)
tree4c4f99ea0f4c9f63845bf692e648fb3a71fc4cf2 /bsd-user
parent480b9f24d75eb8fcd25ead73b6f0265b08218c5e (diff)
Fix qemu_malloc.
make {linux,bsd}-user qemu_realloc handle ptr == NULL correctly. spotted by malc. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6466 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'bsd-user')
-rw-r--r--bsd-user/mmap.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/bsd-user/mmap.c b/bsd-user/mmap.c
index 66233abc1..e916a6544 100644
--- a/bsd-user/mmap.c
+++ b/bsd-user/mmap.c
@@ -127,6 +127,8 @@ void *qemu_realloc(void *ptr, size_t size)
size_t old_size, copy;
void *new_ptr;
+ if (!ptr)
+ return qemu_malloc(size);
old_size = *(size_t *)((char *)ptr - 16);
copy = old_size < size ? old_size : size;
new_ptr = qemu_malloc(size);