1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
/*
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
#include <stdint.h>
/* make sure we can call `_Pragma` in macros */
#define MACRO_CHECK \
do { \
_Pragma("GCC diagnostic push") \
_Pragma("GCC diagnostic ignored \"-Wsign-conversion\"") \
return -1; \
} while (0)
uint8_t unsigned_fun()
{
MACRO_CHECK;
}
int main()
{
const int value = 0;
const int *value_ptr = &value;
unsigned_fun();
/* make sure we can also push diagnostics via `#pragma` */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wcast-qual"
int *value_ptr_mut = (int*)value_ptr;
return *value_ptr_mut;
}
|
