 @@ -1,21 +1,23 @@
-/*	$NetBSD: gcc_builtin_alloca.c,v 1.1 2021/12/06 23:20:26 rillig Exp $	*/
+/*	$NetBSD: gcc_builtin_alloca.c,v 1.2 2021/12/06 23:26:28 rillig Exp $	*/
 # 3 "gcc_builtin_alloca.c"
 /*
  * Test for the GCC builtin functions __builtin_alloca*, which unlike most
  * other builtin functions return a pointer instead of int.
+ *
  * https://gcc.gnu.org/onlinedocs/gcc/Other-Builtins.html
  */
 void
 example(void)
+{
 	/* expect+1: warning: illegal combination of pointer (pointer to char) and integer (int) [183] */
 	char *ptr = __builtin_alloca(8);
 	ptr[4] = '4';
 	/* expect+1: warning: illegal combination of pointer (pointer to char) and integer (int) [183] */
 	char *aligned_ptr = __builtin_alloca_with_align(8, 64);
 	aligned_ptr[0] = '\0';
 	/* expect+1: warning: illegal combination of pointer (pointer to char) and integer (int) [183] */
 	char *unknown = __builtin_allocate(8);
 	unknown[0] = '\0';
+}

 @@ -1,14 +1,14 @@
-/*	$NetBSD: tree.c,v 1.396 2021/12/04 00:01:24 rillig Exp $	*/
+/*	$NetBSD: tree.c,v 1.397 2021/12/06 23:26:28 rillig Exp $	*/
 /*
  * Copyright (c) 1994, 1995 Jochen Pohl
  * All Rights Reserved.
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
 @@ -27,27 +27,27 @@
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #if HAVE_NBTOOL_CONFIG_H
 #include "nbtool_config.h"
 #endif
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: tree.c,v 1.396 2021/12/04 00:01:24 rillig Exp $");
+__RCSID("$NetBSD: tree.c,v 1.397 2021/12/06 23:26:28 rillig Exp $");
 #endif
 #include <float.h>
 #include <limits.h>
 #include <math.h>
 #include <signal.h>
 #include <stdlib.h>
 #include <string.h>
 #include "lint1.h"
 #include "cgram.h"
 static	tnode_t	*build_integer_constant(tspec_t, int64_t);
 @@ -224,39 +224,49 @@ str_endswith(const char *haystack, const
 	return nlen <= hlen &&
 	       memcmp(haystack + hlen - nlen, needle, nlen) == 0;
+}
 /* https://gcc.gnu.org/onlinedocs/gcc/Integer-Overflow-Builtins.html */
 static bool
 is_gcc_bool_builtin(const char *name)
+{
 	return strncmp(name, "__builtin_", 10) == 0 &&
 	       (str_endswith(name, "_overflow") ||
 		str_endswith(name, "_overflow_p"));
+}
 /* https://gcc.gnu.org/onlinedocs/gcc/Other-Builtins.html */
 static bool
 is_gcc_void_pointer_builtin(const char *name)
+{
 	return strcmp(name, "__builtin_alloca") == 0 ||
 	       strncmp(name, "__builtin_alloca_", 17) == 0;
+}
 static void
 build_name_call(sym_t *sym)
+{
 	if (is_compiler_builtin(sym->s_name)) {
 		/*
 		 * Do not warn about these, just assume that
 		 * they are regular functions compatible with
 		 * non-prototype calling conventions.
 		 */
 		if (is_gcc_bool_builtin(sym->s_name))
 			sym->s_type = gettyp(BOOL);
 		else if (is_gcc_void_pointer_builtin(sym->s_name))
 			sym->s_type = derive_type(gettyp(VOID), PTR);
 	} else if (Sflag) {
 		/* function '%s' implicitly declared to return int */
 		error(215, sym->s_name);
 	} else if (sflag) {
 		/* function '%s' implicitly declared to return int */
 		warning(215, sym->s_name);
+	}
 	/* XXX if tflag is set, the symbol should be exported to level 0 */
 	sym->s_type = derive_type(sym->s_type, FUNC);
+}