X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=cache.h;h=497a05b8fa8e9aa3a5db9b42e5c50392f352d2b4;hb=d6d3f9d0125a7215f3cdc2600b2307ca55b69536;hp=17328597657d2ae4a944a49b337a4beef60942ec;hpb=24778e335a6450e34257a311d0bf4a12bdb3006c;p=git.git diff --git a/cache.h b/cache.h index 17328597..497a05b8 100644 --- a/cache.h +++ b/cache.h @@ -56,7 +56,7 @@ struct cache_entry { unsigned int st_size; unsigned char sha1[20]; unsigned short namelen; - unsigned char name[0]; + char name[0]; }; const char *sha1_file_directory; @@ -71,8 +71,20 @@ unsigned int active_nr, active_alloc; #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); @@ -82,15 +94,17 @@ extern int write_sha1_buffer(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 * 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 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 int cache_name_compare(const char *name1, int len1, const char *name2, int len2); #endif /* CACHE_H */