From 7b28db580f849220324dc614381fee27c3a8c35d Mon Sep 17 00:00:00 2001 From: nobu Date: Sat, 1 Oct 2016 09:00:05 +0000 Subject: date_parse.c: str_end_with * ext/date/date_parse.c (str_end_with): extract to tell if a string ends with the other string. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56314 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/date/date_parse.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) (limited to 'ext') diff --git a/ext/date/date_parse.c b/ext/date/date_parse.c index 08deaa049e..97923d7623 100644 --- a/ext/date/date_parse.c +++ b/ext/date/date_parse.c @@ -342,6 +342,13 @@ subx(VALUE str, VALUE rep, VALUE pat, VALUE hash, int (*cb)(VALUE, VALUE)) #include "zonetab.h" +static int +str_end_with(const char *s, long l, const char *w) +{ + int n = (int)strlen(w); + return (l >= n && strncmp(s - n, w, n) == 0); +} + VALUE date_zone_to_diff(VALUE str) { @@ -384,14 +391,14 @@ date_zone_to_diff(VALUE str) static const char DST2[] = " dst"; int dst = 0; - if (l >= (int)sizeof(STD) - 1 && strcmp(d - (sizeof(STD) - 1), STD) == 0) { + if (str_end_with(d, l, STD)) { l -= sizeof(STD) - 1; } - else if (l >= (int)sizeof(DST1) - 1 && strcmp(d - (sizeof(DST1) - 1), DST1) == 0) { + else if (str_end_with(d, l, DST1)) { l -= sizeof(DST1) - 1; dst = 1; } - else if (l >= (int)sizeof(DST2) - 1 && strcmp(d - (sizeof(DST2) - 1), DST2) == 0) { + else if (str_end_with(d, l, DST2)) { l -= sizeof(DST2) - 1; dst = 1; } -- cgit v1.2.3