diff options
Diffstat (limited to 'libc/stdlib/malloc/realloc.c')
| -rw-r--r-- | libc/stdlib/malloc/realloc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libc/stdlib/malloc/realloc.c b/libc/stdlib/malloc/realloc.c index 7d8227aff..7a89712e3 100644 --- a/libc/stdlib/malloc/realloc.c +++ b/libc/stdlib/malloc/realloc.c @@ -39,7 +39,10 @@ realloc (void *mem, size_t new_size) size_t ext_size = new_size - size; void *ext_addr = (char *)base_mem + ext_size; + __malloc_lock (); ext_size = __heap_alloc_at (&__malloc_heap, ext_addr, ext_size); + __malloc_unlock (); + if (! ext_size) /* Our attempts to extend MEM in place failed, just allocate-and-copy. */ |