X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=sha1-array.c;h=d922e94e3fc58488402ac0095075bf5ef0e4d17b;hb=04d67b6ab222060546af328207ad48ae8ad58fe9;hp=b94e0ec0f5e45fa56e1748bbb611a904ab81de67;hpb=6af9ca2436326fb0f2bad00b4a920921f82335f0;p=thirdparty%2Fgit.git

diff --git a/sha1-array.c b/sha1-array.c
index b94e0ec0f5..d922e94e3f 100644
--- a/sha1-array.c
+++ b/sha1-array.c
@@ -77,3 +77,20 @@ int oid_array_for_each_unique(struct oid_array *array,
 	}
 	return 0;
 }
+
+void oid_array_filter(struct oid_array *array,
+		      for_each_oid_fn want,
+		      void *cb_data)
+{
+	unsigned nr = array->nr, src, dst;
+	struct object_id *oids = array->oid;
+
+	for (src = dst = 0; src < nr; src++) {
+		if (want(&oids[src], cb_data)) {
+			if (src != dst)
+				oidcpy(&oids[dst], &oids[src]);
+			dst++;
+		}
+	}
+	array->nr = dst;
+}