X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=cache.h;h=35b26c7d87c04497c84a08a9b29d93f09fcafbe8;hb=42d545e8ff33f478a4b7b99562ab073d8820b334;hp=900824abfab44b8aa0c23d0942a4e0a3d2b00df4;hpb=59c1e249808c6ba38194733fa00efddb9e0eb488;p=git.git diff --git a/cache.h b/cache.h index 900824ab..35b26c7d 100644 --- a/cache.h +++ b/cache.h @@ -64,34 +64,50 @@ struct cache_entry **active_cache; unsigned int active_nr, active_alloc; #define DB_ENVIRONMENT "SHA1_FILE_DIRECTORY" -#define DEFAULT_DB_ENVIRONMENT ".dircache/objects" +#define DEFAULT_DB_ENVIRONMENT ".git/objects" #define cache_entry_size(len) ((offsetof(struct cache_entry,name) + (len) + 8) & ~7) #define ce_size(ce) cache_entry_size((ce)->namelen) #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, int ok_to_add); +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 char *sha1_file_name(const unsigned char *sha1); /* Write a memory buffer out to the sha file */ -extern int write_sha1_buffer(unsigned char *sha1, void *buf, unsigned int size); +extern int write_sha1_buffer(const unsigned char *sha1, void *buf, unsigned int size); /* Read and unpack a sha1 file into memory, write memory to a sha1 file */ -extern void * map_sha1_file(unsigned char *sha1, unsigned long *size); +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(unsigned char *sha1, char *type, unsigned long *size); -extern int write_sha1_file(char *buf, unsigned len); +extern void * read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size); +extern int write_sha1_file(char *buf, unsigned len, unsigned char *return_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 void die(const char *err, ...); +extern int error(const char *err, ...); + +extern int cache_name_compare(const char *name1, int len1, const char *name2, int len2); #endif /* CACHE_H */