zonetab.h: use strncmp

* ext/date/zonetab.h (zonetab): use strncmp.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56313 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/date/date_parse.c

@@ -386,16 +386,13 @@ date_zone_to_diff(VALUE str)
 
 	if (l >= (int)sizeof(STD) - 1 && strcmp(d - (sizeof(STD) - 1), STD) == 0) {
 	    l -= sizeof(STD) - 1;
-	    s[l] = '\0';
 	}
 	else if (l >= (int)sizeof(DST1) - 1 && strcmp(d - (sizeof(DST1) - 1), DST1) == 0) {
 	    l -= sizeof(DST1) - 1;
-	    s[l] = '\0';
 	    dst = 1;
 	}
 	else if (l >= (int)sizeof(DST2) - 1 && strcmp(d - (sizeof(DST2) - 1), DST2) == 0) {
 	    l -= sizeof(DST2) - 1;
-	    s[l] = '\0';
 	    dst = 1;
 	}
 	{

ext/date/prereq.mk

@@ -1,7 +1,7 @@
 .SUFFIXES: .list
 
 .list.h:
-	gperf -E -C -P -p -j1 -i 1 -g -o -t -N $(*F) $< \
+	gperf -E -C -c -P -p -j1 -i 1 -g -o -t -N $(*F) $< \
 	| sed 's/(int)(long)&((\(struct stringpool_t\) *\*)0)->\(stringpool_[a-z0-9]*\)/offsetof(\1, \2)/g' \
 	> $(@F)
 

ext/date/zonetab.h

@@ -1,5 +1,5 @@
 /* C code produced by gperf version 3.0.4 */
-/* Command-line: gperf -E -C -P -p -j1 -i 1 -g -o -t -N zonetab zonetab.list  */
+/* Command-line: gperf -E -C -c -P -p -j1 -i 1 -g -o -t -N zonetab zonetab.list  */
 /* Computed positions: -k'1-4,$' */
 
 #if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \
@@ -891,7 +891,7 @@ zonetab (str, len)
             {
               register const char *s = o + stringpool;
 
-              if (*str == *s && !strcmp (str + 1, s + 1))
+              if (*str == *s && !strncmp (str + 1, s + 1, len - 1) && s[len] == '\0')
                 return &wordlist[key];
             }
         }