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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
server-info.c
View File

@ -7,7 +7,7 @@
/* refs */
static FILE *info_ref_fp;
static int add_info_ref(const char *path, const unsigned char *sha1)
static int add_info_ref(const char *path, const unsigned char *sha1, void *cb_data)
{
struct object *o = parse_object(sha1);
@ -34,7 +34,7 @@ static int update_info_refs(int force)
info_ref_fp = fopen(path1, "w");
if (!info_ref_fp)
return error("unable to update %s", path0);
for_each_ref(add_info_ref);
for_each_ref(add_info_ref, NULL);
fclose(info_ref_fp);
rename(path1, path0);
free(path0);