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
|
/* u_1_19.t: Undefined behaviors on undefined #define and #undef syntax. */
/* u.1.19: A macro expanded to "defined" in #if expression. */
#define DEFINED defined
#if DEFINED DEFINED
#endif
#undef __linux__
#undef __arm__
#define __linux__ 1
#define HAVE_MREMAP defined(__linux__) && !defined(__arm__)
/* Wrong macro definition.
* This macro should be defined as follows.
* #if defined(__linux__) && !defined(__arm__)
* #define HAVE_MREMAP 1
* #endif
*/
#if HAVE_MREMAP
mremap();
#endif
/* u.1.20: Undefining __FILE__, __LINE__, __DATE__, __TIME__, __STDC__ or
"defined" in #undef directive. */
#undef __LINE__
/* 16; or other undefined result. */
__LINE__;
/* u.1.21: Defining __FILE__, __LINE__, __DATE__, __TIME__, __STDC__ or
"defined" in #define directive. */
#define __LINE__ 1234
/* 18; or other undefined result. */
__LINE__;
#define defined defined
#if defined defined
# error I am not a good preprocessor.
#endif
|
