]>
Commit | Line | Data |
---|---|---|
b39d5719 UD |
1 | /* Test for fdopen bugs. */ |
2 | ||
3 | #include <stdio.h> | |
4 | #include <unistd.h> | |
5 | #include <fcntl.h> | |
6 | ||
0bc02a40 | 7 | #undef assert |
b39d5719 UD |
8 | #define assert(x) \ |
9 | if (!(x)) \ | |
10 | { \ | |
11 | fputs ("test failed: " #x "\n", stderr); \ | |
12 | retval = 1; \ | |
13 | goto the_end; \ | |
14 | } | |
15 | ||
16 | char buffer[256]; | |
17 | ||
18 | int | |
19 | main (int argc, char *argv[]) | |
20 | { | |
21 | char *name; | |
22 | FILE *fp = NULL; | |
23 | int retval = 0; | |
8430ab40 | 24 | int fd; |
b39d5719 UD |
25 | |
26 | name = tmpnam (NULL); | |
27 | fp = fopen (name, "w"); | |
28 | assert (fp != NULL) | |
29 | fputs ("foobar and baz", fp); | |
30 | fclose (fp); | |
31 | fp = NULL; | |
32 | ||
33 | fd = open (name, O_RDONLY); | |
34 | assert (fd != -1); | |
35 | assert (lseek (fd, 5, SEEK_SET) == 5); | |
36 | /* The file position indicator associated with the new stream is set to | |
37 | the position indicated by the file offset associated with the file | |
38 | descriptor. */ | |
39 | fp = fdopen (fd, "r"); | |
40 | assert (fp != NULL); | |
41 | assert (getc (fp) == 'r'); | |
42 | assert (getc (fp) == ' '); | |
43 | ||
44 | the_end: | |
45 | if (fp != NULL) | |
46 | fclose (fp); | |
47 | unlink (name); | |
48 | ||
49 | return retval; | |
50 | } |