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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
send-pack.c
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@ -215,7 +215,7 @@ static int ref_newer(const unsigned char *new_sha1,
static struct ref *local_refs, **local_tail;
static struct ref *remote_refs, **remote_tail;
static int one_local_ref(const char *refname, const unsigned char *sha1)
static int one_local_ref(const char *refname, const unsigned char *sha1, void *cb_data)
{
struct ref *ref;
int len = strlen(refname) + 1;
@ -230,7 +230,7 @@ static int one_local_ref(const char *refname, const unsigned char *sha1)
static void get_local_heads(void)
{
local_tail = &local_refs;
for_each_ref(one_local_ref);
for_each_ref(one_local_ref, NULL);
}
static int receive_status(int in)