packed objects: minor cleanup

The delta depth is unsigned.

Signed-off-by: Junio C Hamano <junkio@cox.net>

cache.h

@@ -322,7 +322,7 @@ extern int num_packed_objects(const struct packed_git *p);
 extern int nth_packed_object_sha1(const struct packed_git *, int, unsigned char*);
 extern int find_pack_entry_one(const unsigned char *, struct pack_entry *, struct packed_git *);
 extern void *unpack_entry_gently(struct pack_entry *, char *, unsigned long *);
-extern void packed_object_info_detail(struct pack_entry *, char *, unsigned long *, unsigned long *, int *, unsigned char *);
+extern void packed_object_info_detail(struct pack_entry *, char *, unsigned long *, unsigned long *, unsigned int *, unsigned char *);
 
 /* Dumb servers support */
 extern int update_server_info(int);

pack-check.c

@@ -84,7 +84,7 @@ static void show_pack_info(struct packed_git *p)
 		char type[20];
 		unsigned long size;
 		unsigned long store_size;
-		int delta_chain_length;
+		unsigned int delta_chain_length;
 
 		if (nth_packed_object_sha1(p, i, sha1))
 			die("internal error pack-check nth-packed-object");
@@ -98,7 +98,7 @@ static void show_pack_info(struct packed_git *p)
 		if (!delta_chain_length)
 			printf("%-6s %lu %u\n", type, size, e.offset);
 		else
-			printf("%-6s %lu %u %d %s\n", type, size, e.offset,
+			printf("%-6s %lu %u %u %s\n", type, size, e.offset,
 			       delta_chain_length, sha1_to_hex(base_sha1));
 	}
 

sha1_file.c

@@ -830,7 +830,7 @@ void packed_object_info_detail(struct pack_entry *e,
 			       char *type,
 			       unsigned long *size,
 			       unsigned long *store_size,
-			       int *delta_chain_length,
+			       unsigned int *delta_chain_length,
 			       unsigned char *base_sha1)
 {
 	struct packed_git *p = e->p;
@@ -844,7 +844,7 @@ void packed_object_info_detail(struct pack_entry *e,
 	if (kind != OBJ_DELTA)
 		*delta_chain_length = 0;
 	else {
-		int chain_length = 0;
+		unsigned int chain_length = 0;
 		memcpy(base_sha1, pack, 20);
 		do {
 			struct pack_entry base_ent;