xref: /netbsd-src/tests/usr.bin/xlint/lint1/msg_306.c (revision e6298b924c5ba98f3a22919b56dab04a87cdbb1c)
1 /*	$NetBSD: msg_306.c,v 1.5 2023/07/07 19:45:22 rillig Exp $	*/
2 # 3 "msg_306.c"
3 
4 // Test for message: constant truncated by conversion, op '%s' [306]
5 
6 /* lint1-extra-flags: -X 351 */
7 
8 unsigned char
to_u8(void)9 to_u8(void)
10 {
11 	/* expect+1: warning: conversion of 'int' to 'unsigned char' is out of range [119] */
12 	return 12345;
13 }
14 
15 unsigned char
and_u8(unsigned char a)16 and_u8(unsigned char a)
17 {
18 	/* XXX: unused bits in constant */
19 	return a & 0x1234;
20 }
21 
22 unsigned char
or_u8(unsigned char a)23 or_u8(unsigned char a)
24 {
25 	/* expect+1: warning: constant truncated by conversion, op '|=' [306] */
26 	a |= 0x1234;
27 
28 	/* XXX: Lint doesn't care about the expanded form of the same code. */
29 	a = a | 0x1234;
30 
31 	return a;
32 }
33