1 files changed, 6 insertions, 12 deletions

diff --git a/csv.c b/csv.c
index f154c12..a4f9b51 100644
--- a/csv.c
+++ b/csv.c
@@ -25,28 +25,22 @@ csv_mem_allocate(size_t n, size_t sz, void *cb_arg)
 static void *
 csv_mem_reallocate(void *ptr, size_t n, size_t sz, void *cb_arg)
 {
-        size_t len;
-
         (void) cb_arg;
 
-        if ( !__builtin_mul_overflow(n, sz, &len) ) {
-                return realloc(ptr, len);
+        size_t len;
+        if ( __builtin_mul_overflow(n, sz, &len) ) {
+                return NULL;
         }
-        return NULL;
+        return realloc(ptr, len);
 }
 
 static void
 csv_mem_free(void *ptr, size_t n, size_t sz, void *cb_arg)
 {
-        size_t len;
-
-        void explicit_bzero(void *b, size_t len);
-
+        (void) n;
+        (void) sz;
         (void) cb_arg;
 
-        if ( !__builtin_mul_overflow(n, sz, &len) ) {
-                explicit_bzero(ptr, len);
-        }
         free(ptr);
 }