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authorLukas Fleischer <cgit@cryptocrack.de>2014-01-10 12:44:37 +0100
committerJason A. Donenfeld <Jason@zx2c4.com>2014-01-10 17:04:14 +0100
commitf04b8d5c99afdc55178f1a06ff1594f5f0cc4be6 (patch)
tree7aaea2611c19c3ce30a83da982b801d3efa57536
parentDisallow use of undocumented snapshot delimiters (diff)
downloadcgit-pink-f04b8d5c99afdc55178f1a06ff1594f5f0cc4be6.tar.gz
cgit-pink-f04b8d5c99afdc55178f1a06ff1594f5f0cc4be6.zip
Refactor cgit_parse_snapshots_mask()
Use Git string lists instead of str{spn,cspn,ncmp}() magic. This
significantly improves readability.

Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
Diffstat (limited to '')
-rw-r--r--shared.c23
1 files changed, 12 insertions, 11 deletions
diff --git a/shared.c b/shared.c
index 1f6310a..01197f1 100644
--- a/shared.c
+++ b/shared.c
@@ -404,28 +404,29 @@ void cgit_diff_commit(struct commit *commit, filepair_fn fn, const char *prefix)
 
 int cgit_parse_snapshots_mask(const char *str)
 {
+	struct string_list tokens = STRING_LIST_INIT_DUP;
+	struct string_list_item *item;
 	const struct cgit_snapshot_format *f;
-	static const char *delim = " ";
-	int tl, sl, rv = 0;
+	int rv = 0;
 
 	/* favor legacy setting */
 	if (atoi(str))
 		return 1;
-	for (;;) {
-		str += strspn(str, delim);
-		tl = strcspn(str, delim);
-		if (!tl)
-			break;
+
+	string_list_split(&tokens, str, ' ', -1);
+	string_list_remove_empty_items(&tokens, 0);
+
+	for_each_string_list_item(item, &tokens) {
 		for (f = cgit_snapshot_formats; f->suffix; f++) {
-			sl = strlen(f->suffix);
-			if ((tl == sl && !strncmp(f->suffix, str, tl)) ||
-			   (tl == sl - 1 && !strncmp(f->suffix + 1, str, tl - 1))) {
+			if (!strcmp(item->string, f->suffix) ||
+			    !strcmp(item->string, f->suffix + 1)) {
 				rv |= f->bit;
 				break;
 			}
 		}
-		str += tl;
 	}
+
+	string_list_clear(&tokens, 0);
 	return rv;
 }