utf8: use skip_iprefix() in same_utf_encoding()

Get rid of magic numbers by using skip_iprefix() and skip_prefix() for parsing the leading "[uU][tT][fF]-?" of both strings instead of checking with istarts_with() and an explicit comparison. Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>

René Scharfe committed Nov 8, 2019 at 21:25 UTC 89f8cabaf35f8a5f7e893f190764597ad5c44ef9
1 file changed +4 -5
utf8.c
+4 -5
index 5c8f151f75..5b39361ada 100644 --- a/utf8.c +++ b/utf8.c @@ -411,11 +411,10 @@ out: */ static int same_utf_encoding(const char *src, const char *dst) { - if (istarts_with(src, "utf") && istarts_with(dst, "utf")) { - /* src[3] or dst[3] might be '\0' */ - int i = (src[3] == '-' ? 4 : 3); - int j = (dst[3] == '-' ? 4 : 3); - return !strcasecmp(src+i, dst+j); + if (skip_iprefix(src, "utf", &src) && skip_iprefix(dst, "utf", &dst)) { + skip_prefix(src, "-", &src); + skip_prefix(dst, "-", &dst); + return !strcasecmp(src, dst); } return 0; }