diff: parse ws-error-highlight option more strictly
Check if a matched token is followed by a delimiter before advancing the
pointer arg. This avoids accepting composite words like "allnew" or
"defaultcontext" and misparsing them as "new" or "context".
Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/diff.c b/diff.c
index 34012b4..8af01f1 100644
--- a/diff.c
+++ b/diff.c
@@ -3654,7 +3654,12 @@
static int parse_one_token(const char **arg, const char *token)
{
- return skip_prefix(*arg, token, arg) && (!**arg || **arg == ',');
+ const char *rest;
+ if (skip_prefix(*arg, token, &rest) && (!*rest || *rest == ',')) {
+ *arg = rest;
+ return 1;
+ }
+ return 0;
}
static int parse_ws_error_highlight(struct diff_options *opt, const char *arg)
