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Add callback data to for_each_ref() family.

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This is a long overdue fix to the API for for_each_ref() family
of functions.  It allows the callers to specify a callback data
pointer, so that the caller does not have to use static
variables to communicate with the callback funciton.

The updated for_each_ref() family takes a function of type

	int (*fn)(const char *, const unsigned char *, void *)

and a void pointer as parameters, and calls the function with
the name of the ref and its SHA-1 with the caller-supplied void
pointer as parameters.

The commit updates two callers, builtin-name-rev.c and
builtin-pack-refs.c as an example.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano
2006-09-20 21:47:42 -07:00
parent cc4c4f0ce2
commit cb5d709ff8
18 changed files with 79 additions and 71 deletions
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4
builtin-prune.c
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@ -174,7 +174,7 @@ static void walk_commit_list(struct rev_info *revs)
}
}
static int add_one_ref(const char *path, const unsigned char *sha1)
static int add_one_ref(const char *path, const unsigned char *sha1, void *cb_data)
{
struct object *object = parse_object(sha1);
if (!object)
@ -240,7 +240,7 @@ int cmd_prune(int argc, const char **argv, const char *prefix)
revs.tree_objects = 1;
/* Add all external refs */
for_each_ref(add_one_ref);
for_each_ref(add_one_ref, NULL);
/* Add all refs from the index file */
add_cache_refs();