1 /* { dg-additional-options "-fanalyzer-verbose-state-changes" } */
2 int open(const char *, int mode);
3 void close(int fd);
4
5 #define O_RDONLY 0
6 #define O_WRONLY 1
7 #define O_RDWR 2
8
9 void test_1 (const char* path)
10 {
11 int fd = open (path, O_RDWR); /* { dg-message "meaning: \\{verb: 'acquire', noun: 'resource'\\}" } */
12 if (fd != -1)
13 {
14 close(fd); /* { dg-message "meaning: \\{verb: 'release', noun: 'resource'\\}" } */
15 close(fd); /* { dg-warning "double 'close' of file descriptor 'fd' \\\[CWE-1341\\\]" } */
16 }
17 }
18
19 void test_2 (const char* path)
20 {
21 int fd = open (path, O_RDONLY); /* { dg-message "meaning: \\{verb: 'acquire', noun: 'resource'\\}" } */
22 if (fd != -1)
23 {
24 close(fd); /* { dg-message "meaning: \\{verb: 'release', noun: 'resource'\\}" } */
25 close(fd); /* { dg-warning "double 'close' of file descriptor 'fd' \\\[CWE-1341\\\]" } */
26 }
27 }
28
29 void test_3 (const char* path)
30 {
31 int fd = open (path, O_WRONLY); /* { dg-message "meaning: \\{verb: 'acquire', noun: 'resource'\\}" } */
32 if (fd != -1)
33 {
34 close(fd); /* { dg-message "meaning: \\{verb: 'release', noun: 'resource'\\}" } */
35 close(fd); /* { dg-warning "double 'close' of file descriptor 'fd' \\\[CWE-1341\\\]" } */
36 }
37 }