grep: fix exit status if external_grep() punts

[git.git] / object.c

diff --git a/object.c b/object.c
index 50b6528001fe4bafdfe70126dc2078860c3d1969..e1feef9c3329e0370e7caff612b4f6c8684cbaef 100644 (file)
--- a/object.c
+++ b/object.c
@@ -45,7 +45,8 @@ int type_from_string(const char *str)
 
 static unsigned int hash_obj(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;
 }
 
@@ -268,3 +269,22 @@ void add_object_array_with_mode(struct object *obj, const char *name, struct obj
        objects[nr].mode = mode;
        array->nr = ++nr;
 }
+
+void object_array_remove_duplicates(struct object_array *array)
+{
+       int ref, src, dst;
+       struct object_array_entry *objects = array->objects;
+
+       for (ref = 0; ref < array->nr - 1; ref++) {
+               for (src = ref + 1, dst = src;
+                    src < array->nr;
+                    src++) {
+                       if (!strcmp(objects[ref].name, objects[src].name))
+                               continue;
+                       if (src != dst)
+                               objects[dst] = objects[src];
+                       dst++;
+               }
+               array->nr = dst;
+       }
+}