Don't treat :;<=>? as hexadecimal digits in color headers

Oops.

diff --git a/libass/ass_utils.c b/libass/ass_utils.c
index 9dc2358220ba1d742acd85b753abd2b842ffa4d9..03900f271c396dadcf1ff1d4a6a25b4fa50755c7 100644 (file)
--- a/libass/ass_utils.c
+++ b/libass/ass_utils.c
@@ -192,7 +192,7 @@ static int read_digits(char **str, int base, uint32_t *res)
 
     while (1) {
         int digit;
-        if (*p >= '0' && *p < base + '0')
+        if (*p >= '0' && *p < FFMIN(base, 10) + '0')
             digit = *p - '0';
         else if (*p >= 'a' && *p < base - 10 + 'a')
             digit = *p - 'a' + 10;