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e8595e84 | 1 | /* Simple test of putwc in the C locale. |
b168057a | 2 | Copyright (C) 2000-2015 Free Software Foundation, Inc. |
e8595e84 UD |
3 | This file is part of the GNU C Library. |
4 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 2000. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
e8595e84 UD |
10 | |
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 14 | Lesser General Public License for more details. |
e8595e84 | 15 | |
41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
e8595e84 UD |
19 | |
20 | #include <errno.h> | |
21 | #include <error.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <wchar.h> | |
25 | ||
26 | static const char outname[] = OBJPFX "tst_putwc.temp"; | |
27 | ||
3b526f89 AJ |
28 | /* Prototype for our test function. */ |
29 | int do_test (void); | |
e8595e84 | 30 | #define TEST_FUNCTION do_test () |
3b526f89 AJ |
31 | |
32 | /* This defines the `main' function and some more. */ | |
33 | #include <test-skeleton.c> | |
34 | ||
e8595e84 UD |
35 | int |
36 | do_test (void) | |
37 | { | |
38 | const wchar_t str[] = L"This is a test of putwc\n"; | |
39 | wchar_t buf[100]; | |
40 | size_t n = 0; | |
41 | FILE *fp; | |
42 | int res = 0; | |
43 | ||
3b526f89 AJ |
44 | add_temp_file (outname); |
45 | ||
e8595e84 UD |
46 | fp = fopen (outname, "w+"); |
47 | if (fp == NULL) | |
48 | error (EXIT_FAILURE, errno, "cannot open temporary file"); | |
49 | ||
50 | for (n = 0; str[n] != L'\0'; ++n) | |
51 | putwc (str[n], fp); | |
52 | ||
53 | /* First try reading after rewinding. */ | |
54 | rewind (fp); | |
55 | ||
56 | wmemset (buf, L'\0', sizeof (buf) / sizeof (buf[0])); | |
57 | n = 0; | |
58 | while (! feof (fp) && n < sizeof (buf) - 1) | |
59 | { | |
60 | buf[n] = getwc (fp); | |
61 | if (buf[n] == WEOF) | |
62 | break; | |
63 | ++n; | |
64 | } | |
65 | buf[n] = L'\0'; | |
66 | ||
67 | if (wcscmp (buf, L"This is a test of putwc\n") != 0) | |
68 | { | |
69 | puts ("first comparison failed"); | |
70 | res = 1; | |
71 | } | |
72 | ||
73 | /* Now close the file, open it again, and read again. */ | |
74 | if (fclose (fp) != 0) | |
75 | { | |
20030ae6 | 76 | printf ("failure during fclose: %m\n"); |
e8595e84 UD |
77 | res = 1; |
78 | } | |
79 | ||
80 | fp = fopen (outname, "r"); | |
81 | if (fp == NULL) | |
20030ae6 UD |
82 | { |
83 | printf ("cannot reopen file: %m\n"); | |
84 | return 1; | |
85 | } | |
e8595e84 UD |
86 | |
87 | /* We can remove the file now. */ | |
88 | remove (outname); | |
89 | ||
90 | wmemset (buf, L'\0', sizeof (buf) / sizeof (buf[0])); | |
91 | n = 0; | |
92 | while (! feof (fp) && n < sizeof (buf) - 1) | |
93 | { | |
94 | buf[n] = getwc (fp); | |
95 | if (buf[n] == WEOF) | |
96 | break; | |
97 | ++n; | |
98 | } | |
99 | buf[n] = L'\0'; | |
100 | ||
101 | if (wcscmp (buf, L"This is a test of putwc\n") != 0) | |
102 | { | |
103 | puts ("second comparison failed"); | |
104 | res = 1; | |
105 | } | |
106 | ||
107 | if (fclose (fp) != 0) | |
108 | { | |
20030ae6 | 109 | printf ("failure during fclose: %m\n"); |
e8595e84 UD |
110 | res = 1; |
111 | } | |
112 | ||
5bef2820 UD |
113 | /* Next test: write a bit more than a few bytes. */ |
114 | fp = fopen (outname, "w"); | |
115 | if (fp == NULL) | |
116 | error (EXIT_FAILURE, errno, "cannot open temporary file"); | |
117 | ||
118 | for (n = 0; n < 4098; ++n) | |
119 | putwc (n & 255, fp); | |
120 | ||
121 | fclose (fp); | |
122 | ||
e8595e84 UD |
123 | return res; |
124 | } |