From: Michael Haggerty <mhagger@xxxxxxxxxxxx>
Extract function do_for_each_ref_in_arrays() from do_for_each_ref().
The new function will be a useful building block for storing refs
hierarchically.
Signed-off-by: Michael Haggerty <mhagger@xxxxxxxxxxxx>
---
refs.c | 71 +++++++++++++++++++++++++++++++++++++--------------------------
1 files changed, 42 insertions(+), 29 deletions(-)
diff --git a/refs.c b/refs.c
index bc14437..601665b 100644
--- a/refs.c
+++ b/refs.c
@@ -714,45 +714,58 @@ static int do_for_each_ref_in_array(struct ref_array *array, int offset,
return 0;
}
-static int do_for_each_ref(const char *submodule, const char *base, each_ref_fn fn,
- int trim, int flags, void *cb_data)
+static int do_for_each_ref_in_arrays(struct ref_array *array1,
+ struct ref_array *array2,
+ const char *base, each_ref_fn fn, int trim,
+ int flags, void *cb_data)
{
- int retval = 0, p = 0, l = 0;
- struct ref_cache *refs = get_ref_cache(submodule);
- struct ref_array *packed = get_packed_refs(refs);
- struct ref_array *loose = get_loose_refs(refs);
+ int retval;
+ int i1 = 0, i2 = 0;
- retval = do_for_each_ref_in_array(&extra_refs, 0,
- base, fn, trim, flags, cb_data);
- if (retval)
- goto end_each;
-
- while (p < packed->nr && l < loose->nr) {
- struct ref_entry *entry;
- int cmp = strcmp(packed->refs[p]->name, loose->refs[l]->name);
- if (!cmp) {
- p++;
+ while (1) {
+ struct ref_entry *e1, *e2;
+ int cmp;
+ if (i1 == array1->nr) {
+ return do_for_each_ref_in_array(array2, i2,
+ base, fn, trim, flags, cb_data);
+ }
+ if (i2 == array2->nr) {
+ return do_for_each_ref_in_array(array1, i1,
+ base, fn, trim, flags, cb_data);
+ }
+ e1 = array1->refs[i1];
+ e2 = array2->refs[i2];
+ cmp = strcmp(e1->name, e2->name);
+ if (cmp == 0) {
+ /* Two refs with the same name; ignore the one from array1. */
+ i1++;
continue;
}
- if (cmp > 0) {
- entry = loose->refs[l++];
+ if (cmp < 0) {
+ retval = do_one_ref(base, fn, trim, flags, cb_data, e1);
+ i1++;
} else {
- entry = packed->refs[p++];
+ retval = do_one_ref(base, fn, trim, flags, cb_data, e2);
+ i2++;
}
- retval = do_one_ref(base, fn, trim, flags, cb_data, entry);
if (retval)
- goto end_each;
+ return retval;
}
+}
- if (l < loose->nr) {
- retval = do_for_each_ref_in_array(loose, l,
- base, fn, trim, flags, cb_data);
- } else {
- retval = do_for_each_ref_in_array(packed, p,
- base, fn, trim, flags, cb_data);
- }
+static int do_for_each_ref(const char *submodule, const char *base, each_ref_fn fn,
+ int trim, int flags, void *cb_data)
+{
+ int retval = 0;
+ struct ref_cache *refs = get_ref_cache(submodule);
+
+ retval = do_for_each_ref_in_array(&extra_refs, 0,
+ base, fn, trim, flags, cb_data);
+ if (!retval)
+ retval = do_for_each_ref_in_arrays(get_packed_refs(refs),
+ get_loose_refs(refs),
+ base, fn, trim, flags, cb_data);
-end_each:
current_ref = NULL;
return retval;
}
--
1.7.8
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