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Commit | Line | Data |
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eb35b097 UD |
1 | #include <stdio.h> |
2 | #include <sys/types.h> | |
3 | ||
4 | ||
5 | static int | |
6 | check (FILE *fp, off_t o) | |
7 | { | |
8 | int result = 0; | |
9 | if (feof (fp)) | |
10 | { | |
11 | puts ("feof !"); | |
12 | result = 1; | |
13 | } | |
14 | if (ferror (fp)) | |
15 | { | |
16 | puts ("ferror !"); | |
17 | result = 1; | |
18 | } | |
19 | if (ftello (fp) != o) | |
20 | { | |
21 | printf ("position = %lu, not %lu\n", (unsigned long int) ftello (fp), | |
22 | (unsigned long int) o); | |
23 | result = 1; | |
24 | } | |
25 | return result; | |
26 | } | |
27 | ||
28 | ||
29 | static int | |
30 | do_test (void) | |
31 | { | |
32 | FILE *fp = tmpfile (); | |
33 | if (fp == NULL) | |
34 | { | |
35 | puts ("tmpfile failed"); | |
36 | return 1; | |
37 | } | |
38 | if (check (fp, 0) != 0) | |
39 | return 1; | |
40 | ||
41 | puts ("going to write"); | |
42 | if (fputs ("hello", fp) == EOF) | |
43 | { | |
44 | puts ("fputs failed"); | |
45 | return 1; | |
46 | } | |
47 | if (check (fp, 5) != 0) | |
48 | return 1; | |
49 | ||
50 | puts ("going to rewind"); | |
51 | rewind (fp); | |
52 | if (check (fp, 0) != 0) | |
53 | return 1; | |
54 | ||
55 | puts ("going to read char"); | |
56 | int c = fgetc (fp); | |
57 | if (c != 'h') | |
58 | { | |
59 | printf ("read %c, not %c\n", c, 'h'); | |
60 | return 1; | |
61 | } | |
62 | if (check (fp, 1) != 0) | |
63 | return 1; | |
64 | ||
65 | puts ("going to put back"); | |
66 | if (ungetc (' ', fp) == EOF) | |
67 | { | |
68 | puts ("ungetc failed"); | |
69 | return 1; | |
70 | } | |
71 | if (check (fp, 0) != 0) | |
72 | return 1; | |
73 | ||
74 | puts ("going to write again"); | |
75 | if (fputs ("world", fp) == EOF) | |
76 | { | |
77 | puts ("2nd fputs failed"); | |
78 | return 1; | |
79 | } | |
80 | if (check (fp, 5) != 0) | |
81 | return 1; | |
82 | ||
83 | puts ("going to rewind again"); | |
84 | rewind (fp); | |
85 | if (check (fp, 0) != 0) | |
86 | return 1; | |
87 | ||
88 | if (fclose (fp) != 0) | |
89 | { | |
90 | puts ("fclose failed"); | |
91 | return 1; | |
92 | } | |
93 | ||
94 | return 0; | |
95 | } | |
96 | ||
97 | #define TEST_FUNCTION do_test () | |
98 | #include "../test-skeleton.c" |