diff options
| -rw-r--r-- | src/atomic_ops_malloc.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/atomic_ops_malloc.c b/src/atomic_ops_malloc.c index 6d4d81a..3f1881b 100644 --- a/src/atomic_ops_malloc.c +++ b/src/atomic_ops_malloc.c @@ -304,11 +304,13 @@ AO_malloc(size_t sz) void AO_free(void *p) { - char *base = (char *)p - sizeof(AO_t); + AO_t *base; int log_sz; if (0 == p) return; - log_sz = (int)(*(AO_t *)base); + + base = (AO_t *)p - 1; + log_sz = (int)(*base); # ifdef AO_TRACE_MALLOC fprintf(stderr, "%x: AO_free(%p sz:%lu)\n", (int)pthread_self(), p, (unsigned long)(log_sz > LOG_MAX_SIZE? log_sz : (1 << log_sz))); @@ -316,5 +318,5 @@ AO_free(void *p) if (log_sz > LOG_MAX_SIZE) AO_free_large(p); else - AO_stack_push(AO_free_list+log_sz, (AO_t *)base); + AO_stack_push(AO_free_list + log_sz, base); } |