commit: add "lookup_commit_reference()" helper function

diff --git a/cache.h b/cache.h
index 041ec0b2b0a7faa341b4c65fe9a939abcbf1a3c1..858ea7ff0c9b7f8ae585f99ce980ddad9d7e82d6 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -143,7 +143,7 @@ extern char *sha1_file_name(const unsigned char *sha1);
 extern void * map_sha1_file(const unsigned char *sha1, unsigned long *size);
 extern void * unpack_sha1_file(void *map, unsigned long mapsize, char *type, unsigned long *size);
 extern void * read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size);
-extern int write_sha1_file(char *buf, unsigned long len, const char *type, unsigned char *return_sha1);
+extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_sha1);
 
 extern int check_sha1_signature(unsigned char *sha1, void *buf, unsigned long size, const char *type);
 
@@ -167,7 +167,7 @@ extern int error(const char *err, ...);
 extern int cache_name_compare(const char *name1, int len1, const char *name2, int len2);
 
 extern void *read_object_with_reference(const unsigned char *sha1,
-                                       const unsigned char *required_type,
+                                       const char *required_type,
                                        unsigned long *size,
                                        unsigned char *sha1_ret);