diff.c: replace a 'strdup' with 'xstrdup'.

diff --git a/color.c b/color.c
index 7f66c29fae57abceda30b1257c2a66626f3be0b2..cb70340420b6285786b988d4a98d2023a37d4ffc 100644 (file)
--- a/color.c
+++ b/color.c
@@ -17,7 +17,7 @@ static int parse_color(const char *name, int len)
                        return i - 1;
        }
        i = strtol(name, &end, 10);
-       if (*name && !*end && i >= -1 && i <= 255)
+       if (end - name == len && i >= -1 && i <= 255)
                return i;
        return -2;
 }