#define alloc_nr(x) (((x)+16)*3/2)
-/* Initialize the cache information */
+/* Initialize and use the cache information */
extern int read_cache(void);
+extern int write_cache(int newfd, struct cache_entry **cache, int entries);
extern int cache_name_pos(const char *name, int namelen);
+extern int add_cache_entry(struct cache_entry *ce);
+extern int remove_file_from_cache(char *path);
+extern int cache_match_stat(struct cache_entry *ce, struct stat *st);
+
+#define MTIME_CHANGED 0x0001
+#define CTIME_CHANGED 0x0002
+#define OWNER_CHANGED 0x0004
+#define MODE_CHANGED 0x0008
+#define INODE_CHANGED 0x0010
+#define DATA_CHANGED 0x0020
/* Return a statically allocated filename matching the sha1 signature */
extern char *sha1_file_name(unsigned char *sha1);
extern int check_sha1_signature(unsigned char *sha1, void *buf, unsigned long size);
/* Convert to/from hex/sha1 representation */
-extern int get_sha1_hex(char *hex, unsigned char *sha1);
-extern char *sha1_to_hex(unsigned char *sha1); /* static buffer! */
+extern int get_sha1_hex(const char *hex, unsigned char *sha1);
+extern char *sha1_to_hex(const unsigned char *sha1); /* static buffer result! */
/* General helper functions */
extern void usage(const char *err);
+extern int cache_name_compare(const char *name1, int len1, const char *name2, int len2);
#endif /* CACHE_H */