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Commit | Line | Data |
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107b8a92 | 1 | #include <stdio.h> |
ceaa9889 | 2 | #include <stdlib.h> |
107b8a92 | 3 | #include <string.h> |
f01e4069 | 4 | #include <wchar.h> |
107b8a92 UD |
5 | |
6 | ||
7 | static int | |
8 | do_test (void) | |
9 | { | |
10 | size_t size; | |
11 | wchar_t *buf; | |
12 | FILE *fp = open_wmemstream (&buf, &size); | |
13 | if (fp == NULL) | |
14 | { | |
15 | puts ("open_wmemstream failed"); | |
16 | return 1; | |
17 | } | |
18 | ||
19 | off64_t off = ftello64 (fp); | |
20 | if (off != 0) | |
21 | { | |
22 | puts ("initial position wrong"); | |
23 | return 1; | |
24 | } | |
25 | ||
26 | if (fseek (fp, 32768, SEEK_SET) != 0) | |
27 | { | |
28 | puts ("fseek failed"); | |
29 | return 1; | |
30 | } | |
31 | ||
32 | if (fputws (L"foo", fp) == EOF) | |
33 | { | |
34 | puts ("fputws failed"); | |
35 | return 1; | |
36 | } | |
37 | ||
38 | if (fclose (fp) == EOF) | |
39 | { | |
40 | puts ("fclose failed"); | |
41 | return 1; | |
42 | } | |
43 | ||
44 | if (size != 32768 + 3) | |
45 | { | |
46 | printf ("expected size %d, got %zu\n", 32768 + 3, size); | |
47 | return 1; | |
48 | } | |
49 | ||
50 | for (int i = 0; i < 32768; ++i) | |
51 | if (buf[i] != L'\0') | |
52 | { | |
53 | printf ("wide character at offset %d is %#x\n", | |
54 | i, (unsigned int) buf[i]); | |
55 | return 1; | |
56 | } | |
57 | ||
58 | if (wmemcmp (buf + 32768, L"foo", 3) != 0) | |
59 | { | |
60 | puts ("written string incorrect"); | |
61 | return 1; | |
62 | } | |
63 | ||
64 | /* Mark the buffer. */ | |
65 | wmemset (buf, L'A', size); | |
66 | free (buf); | |
67 | ||
68 | /* Try again, this time with write mode enabled before the seek. */ | |
69 | fp = open_wmemstream (&buf, &size); | |
70 | if (fp == NULL) | |
71 | { | |
72 | puts ("2nd open_wmemstream failed"); | |
73 | return 1; | |
74 | } | |
75 | ||
76 | off = ftello64 (fp); | |
77 | if (off != 0) | |
78 | { | |
79 | puts ("2nd initial position wrong"); | |
80 | return 1; | |
81 | } | |
82 | ||
83 | if (fputws (L"bar", fp) == EOF) | |
84 | { | |
85 | puts ("2nd fputws failed"); | |
86 | return 1; | |
87 | } | |
88 | ||
89 | if (fseek (fp, 32768, SEEK_SET) != 0) | |
90 | { | |
91 | puts ("2nd fseek failed"); | |
92 | return 1; | |
93 | } | |
94 | ||
95 | if (fputws (L"foo", fp) == EOF) | |
96 | { | |
97 | puts ("3rd fputws failed"); | |
98 | return 1; | |
99 | } | |
100 | ||
101 | if (fclose (fp) == EOF) | |
102 | { | |
103 | puts ("2nd fclose failed"); | |
104 | return 1; | |
105 | } | |
106 | ||
107 | if (size != 32768 + 3) | |
108 | { | |
109 | printf ("2nd expected size %d, got %zu\n", 32768 + 3, size); | |
110 | return 1; | |
111 | } | |
112 | ||
113 | if (wmemcmp (buf, L"bar", 3) != 0) | |
114 | { | |
115 | puts ("initial string incorrect in 2nd try"); | |
116 | return 1; | |
117 | } | |
118 | ||
119 | for (int i = 3; i < 32768; ++i) | |
120 | if (buf[i] != L'\0') | |
121 | { | |
122 | printf ("wide character at offset %d is %#x in 2nd try\n", | |
123 | i, (unsigned int) buf[i]); | |
124 | return 1; | |
125 | } | |
126 | ||
127 | if (wmemcmp (buf + 32768, L"foo", 3) != 0) | |
128 | { | |
129 | puts ("written string incorrect in 2nd try"); | |
130 | return 1; | |
131 | } | |
132 | ||
133 | return 0; | |
134 | } | |
135 | ||
136 | #define TEST_FUNCTION do_test () | |
137 | #include "../test-skeleton.c" |