1 files changed, 14 insertions, 15 deletions

diff --git a/index-pack.c b/index-pack.c
index 64d75f8c4d..cf81a99500 100644
--- a/index-pack.c
+++ b/index-pack.c
@@ -277,13 +277,19 @@ static void *get_data_from_pack(struct object_entry *obj)
 {
 	unsigned long from = obj[0].offset + obj[0].hdr_size;
 	unsigned long len = obj[1].offset - from;
+	unsigned long rdy = 0;
 	unsigned char *src, *data;
 	z_stream stream;
 	int st;
 
 	src = xmalloc(len);
-	if (pread(pack_fd, src, len, from) != len)
-		die("cannot pread pack file: %s", strerror(errno));
+	data = src;
+	do {
+		ssize_t n = pread(pack_fd, data + rdy, len - rdy, from + rdy);
+		if (n <= 0)
+			die("cannot pread pack file: %s", strerror(errno));
+		rdy += n;
+	} while (rdy < len);
 	data = xmalloc(obj->size);
 	memset(&stream, 0, sizeof(stream));
 	stream.next_out = data;
@@ -596,30 +602,23 @@ static void fix_unresolved_deltas(int nr_unresolved)
 		struct delta_entry *d = sorted_by_pos[i];
 		void *data;
 		unsigned long size;
-		char type[10];
-		enum object_type obj_type;
+		enum object_type type;
 		int j, first, last;
 
 		if (objects[d->obj_no].real_type != OBJ_REF_DELTA)
 			continue;
-		data = read_sha1_file(d->base.sha1, type, &size);
+		data = read_sha1_file(d->base.sha1, &type, &size);
 		if (!data)
 			continue;
-		if      (!strcmp(type, blob_type))   obj_type = OBJ_BLOB;
-		else if (!strcmp(type, tree_type))   obj_type = OBJ_TREE;
-		else if (!strcmp(type, commit_type)) obj_type = OBJ_COMMIT;
-		else if (!strcmp(type, tag_type))    obj_type = OBJ_TAG;
-		else die("base object %s is of type '%s'",
-			 sha1_to_hex(d->base.sha1), type);
 
 		find_delta_children(&d->base, &first, &last);
 		for (j = first; j <= last; j++) {
 			struct object_entry *child = objects + deltas[j].obj_no;
 			if (child->real_type == OBJ_REF_DELTA)
-				resolve_delta(child, data, size, obj_type);
+				resolve_delta(child, data, size, type);
 		}
 
-		append_obj_to_pack(data, size, obj_type);
+		append_obj_to_pack(data, size, type);
 		free(data);
 		if (verbose)
 			percent = display_progress(nr_resolved_deltas,
@@ -850,9 +849,9 @@ int main(int argc, char **argv)
 				fix_thin_pack = 1;
 			} else if (!strcmp(arg, "--keep")) {
 				keep_msg = "";
-			} else if (!strncmp(arg, "--keep=", 7)) {
+			} else if (!prefixcmp(arg, "--keep=")) {
 				keep_msg = arg + 7;
-			} else if (!strncmp(arg, "--pack_header=", 14)) {
+			} else if (!prefixcmp(arg, "--pack_header=")) {
 				struct pack_header *hdr;
 				char *c;