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refs: document do_for_each_ref() and do_one_ref()

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Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty
2013-04-22 21:52:11 +02:00
committed by Junio C Hamano
parent 6c6f58dfd2
commit fcce17039c
1 changed files with 14 additions and 1 deletions
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15
refs.c
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@ -526,10 +526,14 @@ static void sort_ref_dir(struct ref_dir *dir)
dir->sorted = dir->nr = i; dir->sorted = dir->nr = i;
} }
#define DO_FOR_EACH_INCLUDE_BROKEN 01 /* Include broken references in a do_for_each_ref*() iteration: */
#define DO_FOR_EACH_INCLUDE_BROKEN 0x01
static struct ref_entry *current_ref; static struct ref_entry *current_ref;
/*
* Handle one reference in a do_for_each_ref*()-style iteration.
*/
static int do_one_ref(const char *base, each_ref_fn fn, int trim, static int do_one_ref(const char *base, each_ref_fn fn, int trim,
int flags, void *cb_data, struct ref_entry *entry) int flags, void *cb_data, struct ref_entry *entry)
{ {
@ -1339,6 +1343,15 @@ void warn_dangling_symref(FILE *fp, const char *msg_fmt, const char *refname)
for_each_rawref(warn_if_dangling_symref, &data); for_each_rawref(warn_if_dangling_symref, &data);
} }
/*
* Call fn for each reference in the specified submodule for which the
* refname begins with base. If trim is non-zero, then trim that many
* characters off the beginning of each refname before passing the
* refname to fn. flags can be DO_FOR_EACH_INCLUDE_BROKEN to include
* broken references in the iteration. If fn ever returns a non-zero
* value, stop the iteration and return that value; otherwise, return
* 0.
*/
static int do_for_each_ref(const char *submodule, const char *base, each_ref_fn fn, static int do_for_each_ref(const char *submodule, const char *base, each_ref_fn fn,
int trim, int flags, void *cb_data) int trim, int flags, void *cb_data)
{ {