1 | #include <fcntl.h> |
2 | #include <stdio.h> |
3 | #include <string.h> |
4 | #include <unistd.h> |
5 | |
6 | |
7 | static void do_prepare (void); |
8 | #define PREPARE(argc, argv) do_prepare () |
9 | static int do_test (void); |
10 | #define TEST_FUNCTION do_test () |
11 | #include <test-skeleton.c> |
12 | |
13 | |
14 | int fd; |
15 | |
16 | |
17 | static void |
18 | do_prepare (void) |
19 | { |
20 | fd = create_temp_file (base: "tst-eof." , NULL); |
21 | if (fd == -1) |
22 | { |
23 | printf (format: "cannot create temporary file: %m\n" ); |
24 | exit (1); |
25 | } |
26 | } |
27 | |
28 | |
29 | static int |
30 | do_test (void) |
31 | { |
32 | char buf[40]; |
33 | FILE *fp; |
34 | |
35 | if (write (fd, "some string\n" , 12) != 12) |
36 | { |
37 | printf (format: "cannot write temporary file: %m\n" ); |
38 | return 1; |
39 | } |
40 | |
41 | if (lseek (fd: fd, offset: 0, SEEK_SET) == (off_t) -1) |
42 | { |
43 | printf (format: "cannot reposition temporary file: %m\n" ); |
44 | return 1; |
45 | } |
46 | |
47 | fp = fdopen (fd, "r" ); |
48 | if (fp == NULL) |
49 | { |
50 | printf (format: "cannot create stream: %m\n" ); |
51 | return 1; |
52 | } |
53 | |
54 | if (feof (stream: fp)) |
55 | { |
56 | puts (s: "EOF set after fdopen" ); |
57 | return 1; |
58 | } |
59 | |
60 | if (fread (ptr: buf, size: 1, n: 20, stream: fp) != 12) |
61 | { |
62 | puts (s: "didn't read the correct number of bytes" ); |
63 | return 1; |
64 | } |
65 | |
66 | if (! feof (stream: fp)) |
67 | { |
68 | puts (s: "EOF not set after fread" ); |
69 | return 1; |
70 | } |
71 | |
72 | fclose (fp); |
73 | |
74 | return 0; |
75 | } |
76 | |