mirror of
https://github.com/cc65/cc65.git
synced 2024-12-24 11:31:31 +00:00
53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
/*
|
|
Copyright 2020 The cc65 Authors
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any damages
|
|
arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it
|
|
freely, subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented; you must not
|
|
claim that you wrote the original software. If you use this software
|
|
in a product, an acknowledgment in the product documentation would be
|
|
appreciated but is not required.
|
|
2. Altered source versions must be plainly marked as such, and must not be
|
|
misrepresented as being the original software.
|
|
3. This notice may not be removed or altered from any source distribution.
|
|
*/
|
|
|
|
/*
|
|
Tests bit-field in if condition; see https://github.com/cc65/cc65/issues/1139
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
|
|
static unsigned char failures = 0;
|
|
|
|
static struct overlap {
|
|
unsigned int x : 10;
|
|
unsigned int y : 10;
|
|
} o = {11, 22};
|
|
|
|
/* Test using bit-fields in if conditions. */
|
|
static void test_if(void)
|
|
{
|
|
o.x = 0;
|
|
o.y = 44;
|
|
if (o.x) {
|
|
printf("Bad, o.x is false\n");
|
|
failures++;
|
|
} else {
|
|
printf("Good\n");
|
|
}
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
test_if();
|
|
printf("failures: %u\n", failures);
|
|
return failures;
|
|
}
|