X-Git-Url: http://git.bytex64.net/?a=blobdiff_plain;ds=sidebyside;f=tags.c;h=1130d5782a811187d2f7fda8945fe073c8b6bcf8;hb=97d379a62944d0be7d760f744a7efff7acfc2b4b;hp=4705b877f37daa0ee5176bfed741e86c118ee3e3;hpb=303c0e0dd35aee93d11cfbc69b64e977ef8bf95d;p=blerg.git

diff --git a/tags.c b/tags.c
index 4705b87..1130d57 100644
--- a/tags.c
+++ b/tags.c
@@ -68,7 +68,7 @@ int tag_add(const char *author, const char *tag, uint64_t record) {
 		snprintf(filename, 512, "%s/%s", HASH_TAGS_PATH, tag + 1);
 		break;
 	case '@':
-		snprintf(filename, 512, "%s/%s", AUTHOR_TAGS_PATH, tag + 1);
+		snprintf(filename, 512, "%s/%s", REF_TAGS_PATH, tag + 1);
 		break;
 	default:
 		fprintf(stderr, "Invalid tag type: %s\n", tag);
@@ -104,7 +104,7 @@ struct tag * tag_list(const char *tag, uint64_t offset, uint64_t *count, int dir
 		snprintf(filename, 512, "%s/%s", HASH_TAGS_PATH, tag + 1);
 		break;
 	case '@':
-		snprintf(filename, 512, "%s/%s", AUTHOR_TAGS_PATH, tag + 1);
+		snprintf(filename, 512, "%s/%s", REF_TAGS_PATH, tag + 1);
 		break;
 	default:
 		fprintf(stderr, "Invalid tag type: %s\n", tag);
@@ -161,3 +161,36 @@ tag_list_map_failed:
 tag_list_open_failed:
 	return NULL;
 }
+
+int tag_exists(const char *tag) {
+	int taglen = strlen(tag);
+	char filename[512];
+
+	if (taglen < 2) {
+		fprintf(stderr, "Tag too short\n");
+		return 0;
+	} else if (taglen > 33) {
+		fprintf(stderr, "Tag too long\n");
+		return 0;
+	}
+	if (!(tag[0] == '@' || tag[0] == '#')) {
+		fprintf(stderr, "Invalid tag: %s\n", tag);
+		return 0;
+	}
+
+	switch(tag[0]) {
+	case '#':
+		snprintf(filename, 512, "%s/%s", HASH_TAGS_PATH, tag + 1);
+		break;
+	case '@':
+		snprintf(filename, 512, "%s/%s", REF_TAGS_PATH, tag + 1);
+		break;
+	default:
+		fprintf(stderr, "Invalid tag type: %s\n", tag);
+		return 0;
+	}
+	if (access(filename, F_OK) == -1)
+		return 0;
+	else
+		return 1;
+}