date: use del_hash to extract an element destructively

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67409 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 4 deletions

diff --git a/ext/date/date_strptime.c b/ext/date/date_strptime.c
index 4383eb6fa1..26d9fd11bf 100644
--- a/ext/date/date_strptime.c
+++ b/ext/date/date_strptime.c
@@ -669,7 +669,7 @@ date__strptime(const char *str, size_t slen,
     if (fail_p())
 	return Qnil;
 
-    cent = ref_hash("_cent");
+    cent = del_hash("_cent");
     if (!NIL_P(cent)) {
 	VALUE year;
 
@@ -679,10 +679,9 @@ date__strptime(const char *str, size_t slen,
 	year = ref_hash("year");
 	if (!NIL_P(year))
 	    set_hash("year", f_add(year, f_mul(cent, INT2FIX(100))));
-	del_hash("_cent");
     }
 
-    merid = ref_hash("_merid");
+    merid = del_hash("_merid");
     if (!NIL_P(merid)) {
 	VALUE hour;
 
@@ -691,7 +690,6 @@ date__strptime(const char *str, size_t slen,
 	    hour = f_mod(hour, INT2FIX(12));
 	    set_hash("hour", f_add(hour, merid));
 	}
-	del_hash("_merid");
     }
 
     return hash;