Add gcc printf format attributes to iked's parse.y and remove unused

yywarn() definition.

ok bluhm@

1 files changed, 4 insertions, 16 deletions

diff --git a/sbin/iked/parse.y b/sbin/iked/parse.y
index ba300bfc427..0e44806d310 100644
--- a/sbin/iked/parse.y
+++ b/sbin/iked/parse.y
@@ -1,4 +1,4 @@
-/*	$OpenBSD: parse.y,v 1.40 2014/08/27 10:28:57 reyk Exp $	*/
+/*	$OpenBSD: parse.y,v 1.41 2014/11/14 03:22:47 doug Exp $	*/
 
 /*
  * Copyright (c) 2010-2013 Reyk Floeter <reyk@openbsd.org>
@@ -66,8 +66,9 @@ int		 check_file_secrecy(int, const char *);
 int		 check_pubkey(char *, int );
 int		 yyparse(void);
 int		 yylex(void);
-int		 yyerror(const char *, ...);
-int		 yywarn(const char *, ...);
+int		 yyerror(const char *, ...)
+    __attribute__((__format__ (printf, 1, 2)))
+    __attribute__((__nonnull__ (1)));
 int		 kw_cmp(const void *, const void *);
 int		 lookup(char *);
 int		 lgetc(int);
@@ -1059,19 +1060,6 @@ yyerror(const char *fmt, ...)
 }
 
 int
-yywarn(const char *fmt, ...)
-{
-	va_list		 ap;
-
-	va_start(ap, fmt);
-	fprintf(stderr, "%s: %d: ", file->name, yylval.lineno);
-	vfprintf(stderr, fmt, ap);
-	fprintf(stderr, "\n");
-	va_end(ap);
-	return (0);
-}
-
-int
 kw_cmp(const void *k, const void *e)
 {
 	return (strcmp(k, ((const struct keywords *)e)->k_name));