extern int hold_lock_file_for_update(struct lock_file *, const char *path, int);
extern int commit_lock_file(struct lock_file *);
extern void rollback_lock_file(struct lock_file *);
-extern int delete_ref(const char *, unsigned char *sha1);
+extern int delete_ref(const char *, const unsigned char *sha1);
/* Environment bits from configuration mechanism */
extern int use_legacy_headers;
extern int zlib_compression_level;
extern size_t packed_git_window_size;
extern size_t packed_git_limit;
+extern size_t delta_base_cache_limit;
extern int auto_crlf;
#define GIT_REPO_VERSION 0
/* Read and unpack a sha1 file into memory, write memory to a sha1 file */
extern int sha1_object_info(const unsigned char *, unsigned long *);
extern void * read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size);
-extern int hash_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *sha1);
+extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1);
extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_sha1);
extern int pretend_sha1_file(void *, unsigned long, enum object_type, unsigned char *);
extern char git_default_email[MAX_GITNAME];
extern char git_default_name[MAX_GITNAME];
-extern char *git_commit_encoding;
+extern const char *git_commit_encoding;
extern const char *git_log_output_encoding;
extern int copy_fd(int ifd, int ofd);
extern int pager_use_color;
/* base85 */
-int decode_85(char *dst, char *line, int linelen);
-void encode_85(char *buf, unsigned char *data, int bytes);
+int decode_85(char *dst, const char *line, int linelen);
+void encode_85(char *buf, const unsigned char *data, int bytes);
/* alloc.c */
struct blob;