name-rev: use strip_suffix to avoid magic numbers

The manual size computations here are correct, but using strip_suffix makes that obvious, and hopefully communicates the intent of the code more clearly. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Jeff King committed Sep 24, 2015 at 17:08 UTC 34e02deb60b4db22243d47846eb926de9e0d1cf9
1 file changed +4 -5
builtin/name-rev.c
+4 -5
@@ -55,16 +55,15 @@ copy_data:
55 parents;
56 parents = parents->next, parent_number++) {
57 if (parent_number > 1) {
58 - int len = strlen(tip_name);
58 + size_t len;
59 char *new_name;
60
61 - if (len > 2 && !strcmp(tip_name + len - 2, "^0"))
62 - len -= 2;
61 + strip_suffix(tip_name, "^0", &len);
62 if (generation > 0)
64 - new_name = xstrfmt("%.*s~%d^%d", len, tip_name,
63 + new_name = xstrfmt("%.*s~%d^%d", (int)len, tip_name,
64 generation, parent_number);
65 else
67 - new_name = xstrfmt("%.*s^%d", len, tip_name,
66 + new_name = xstrfmt("%.*s^%d", (int)len, tip_name,
67 parent_number);
68
69 name_rev(parents->item, new_name, 0,