test-lib: allow exit trap to be used for cleanup by tests

diff --git a/decorate.c b/decorate.c
index 82d9e221eabab53acc418d0db6327e480836a5ed..2f8a63e38881587fe29fcb72a5272ef54b9efa6e 100644 (file)
--- a/decorate.c
+++ b/decorate.c
@@ -8,7 +8,9 @@
 
 static unsigned int hash_obj(const struct object *obj, unsigned int n)
 {
-       unsigned int hash = *(unsigned int *)obj->sha1;
+       unsigned int hash;
+
+       memcpy(&hash, obj->sha1, sizeof(unsigned int));
        return hash % n;
 }
 
@@ -16,7 +18,7 @@ static void *insert_decoration(struct decoration *n, const struct object *base,
 {
        int size = n->size;
        struct object_decoration *hash = n->hash;
-       int j = hash_obj(base, size);
+       unsigned int j = hash_obj(base, size);
 
        while (hash[j].base) {
                if (hash[j].base == base) {
@@ -68,7 +70,7 @@ void *add_decoration(struct decoration *n, const struct object *obj,
 /* Lookup a decoration pointer */
 void *lookup_decoration(struct decoration *n, const struct object *obj)
 {
-       int j;
+       unsigned int j;
 
        /* nothing to lookup */
        if (!n->size)