From c70f12c288cec94d3a7079ee3ffac3ee606d29ff Mon Sep 17 00:00:00 2001 From: kosaki Date: Sat, 21 Oct 2017 12:57:14 +0000 Subject: [PATCH] kill "variable set but not used" warning MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Currently, scanner.c makes following warning. Fix it. ../../../ext/psych/yaml/scanner.c: In function ‘yaml_parser_decrease_flow_level’: ../../../ext/psych/yaml/scanner.c:1189:23: warning: variable ‘dummy_key’ set but not used [-Wunused-but-set-variable] yaml_simple_key_t dummy_key; /* Used to eliminate a compiler warning. */ git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60262 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/psych/yaml/scanner.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/ext/psych/yaml/scanner.c b/ext/psych/yaml/scanner.c index 3ef90dc66b..597281ec64 100644 --- a/ext/psych/yaml/scanner.c +++ b/ext/psych/yaml/scanner.c @@ -1186,11 +1186,9 @@ yaml_parser_increase_flow_level(yaml_parser_t *parser) static int yaml_parser_decrease_flow_level(yaml_parser_t *parser) { - yaml_simple_key_t dummy_key; /* Used to eliminate a compiler warning. */ - if (parser->flow_level) { parser->flow_level --; - dummy_key = POP(parser, parser->simple_keys); + (void)POP(parser, parser->simple_keys); } return 1;