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read-cache/write-cache: optionally return cache checksum SHA1.

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read_cache_1() and write_cache_1() takes an extra parameter
*sha1 that returns the checksum of the index file when non-NULL.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano
2006-04-23 16:52:08 -07:00
parent e64961b057
commit 1af1c2b63d
2 changed files with 31 additions and 9 deletions
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5
cache.h
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@ -138,8 +138,11 @@ extern const char *prefix_filename(const char *prefix, int len, const char *path
#define alloc_nr(x) (((x)+16)*3/2)
/* Initialize and use the cache information */
extern int read_cache_1(unsigned char *);
extern int write_cache_1(int, struct cache_entry **, int, unsigned char *);
extern int read_cache(void);
extern int write_cache(int newfd, struct cache_entry **cache, int entries);
extern int write_cache(int, struct cache_entry **, int);
extern int cache_name_pos(const char *name, int namelen);
#define ADD_CACHE_OK_TO_ADD 1 /* Ok to add */
#define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */