1 | #include <stdio.h> |
2 | #include <unistd.h> |
3 | #include <string.h> |
4 | |
5 | #include <support/xstdio.h> |
6 | |
7 | int stdio_block_read = 1, stdio_block_write = 1; |
8 | |
9 | int |
10 | main (int argc, char *argv[]) |
11 | { |
12 | FILE *f; |
13 | int i; |
14 | char buffer[31]; |
15 | const char filename[] = OBJPFX "bug4.test" ; |
16 | |
17 | while ((i = getopt (argc: argc, argv: argv, shortopts: "rw" )) != -1) |
18 | switch (i) |
19 | { |
20 | case 'r': |
21 | stdio_block_read = 0; |
22 | break; |
23 | case 'w': |
24 | stdio_block_write = 0; |
25 | break; |
26 | } |
27 | |
28 | f = fopen (filename, "w+" ); |
29 | for (i = 0; i < 9000; ++i) |
30 | putc(c: 'x', stream: f); |
31 | |
32 | fseek (f, 8180L, 0); |
33 | fwrite ("Where does this text come from?" , 1, 31, f); |
34 | fseek (f, 8180L, 0); |
35 | xfread (ptr: buffer, size: 1, nmemb: 31, stream: f); |
36 | fwrite (buffer, 1, 31, stdout); |
37 | fclose (f); |
38 | remove (filename); |
39 | |
40 | if (!memcmp (buffer, "Where does this text come from?" , 31)) |
41 | { |
42 | puts (s: "\nTest succeeded." ); |
43 | return 0; |
44 | } |
45 | else |
46 | { |
47 | puts (s: "\nTest FAILED!" ); |
48 | return 1; |
49 | } |
50 | } |
51 | |