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1 | /* Simple test of putwc in the C locale. |
2 | Copyright (C) 2000 Free Software Foundation, Inc. | |
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 | |
7 | modify it under the terms of the GNU Library General Public License as | |
8 | published by the Free Software Foundation; either version 2 of the | |
9 | License, or (at your option) any later version. | |
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 | |
14 | Library General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Library General Public | |
17 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
18 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | #include <errno.h> | |
22 | #include <error.h> | |
23 | #include <stdio.h> | |
24 | #include <stdlib.h> | |
25 | #include <wchar.h> | |
26 | ||
27 | static const char outname[] = OBJPFX "tst_putwc.temp"; | |
28 | ||
29 | ||
30 | #define TEST_FUNCTION do_test () | |
31 | int | |
32 | do_test (void) | |
33 | { | |
34 | const wchar_t str[] = L"This is a test of putwc\n"; | |
35 | wchar_t buf[100]; | |
36 | size_t n = 0; | |
37 | FILE *fp; | |
38 | int res = 0; | |
39 | ||
40 | fp = fopen (outname, "w+"); | |
41 | if (fp == NULL) | |
42 | error (EXIT_FAILURE, errno, "cannot open temporary file"); | |
43 | ||
44 | for (n = 0; str[n] != L'\0'; ++n) | |
45 | putwc (str[n], fp); | |
46 | ||
47 | /* First try reading after rewinding. */ | |
48 | rewind (fp); | |
49 | ||
50 | wmemset (buf, L'\0', sizeof (buf) / sizeof (buf[0])); | |
51 | n = 0; | |
52 | while (! feof (fp) && n < sizeof (buf) - 1) | |
53 | { | |
54 | buf[n] = getwc (fp); | |
55 | if (buf[n] == WEOF) | |
56 | break; | |
57 | ++n; | |
58 | } | |
59 | buf[n] = L'\0'; | |
60 | ||
61 | if (wcscmp (buf, L"This is a test of putwc\n") != 0) | |
62 | { | |
63 | puts ("first comparison failed"); | |
64 | res = 1; | |
65 | } | |
66 | ||
67 | /* Now close the file, open it again, and read again. */ | |
68 | if (fclose (fp) != 0) | |
69 | { | |
70 | printf ("failure during fclose(): %m"); | |
71 | res = 1; | |
72 | } | |
73 | ||
74 | fp = fopen (outname, "r"); | |
75 | if (fp == NULL) | |
76 | error (EXIT_FAILURE, errno, "cannot reopen file"); | |
77 | ||
78 | /* We can remove the file now. */ | |
79 | remove (outname); | |
80 | ||
81 | wmemset (buf, L'\0', sizeof (buf) / sizeof (buf[0])); | |
82 | n = 0; | |
83 | while (! feof (fp) && n < sizeof (buf) - 1) | |
84 | { | |
85 | buf[n] = getwc (fp); | |
86 | if (buf[n] == WEOF) | |
87 | break; | |
88 | ++n; | |
89 | } | |
90 | buf[n] = L'\0'; | |
91 | ||
92 | if (wcscmp (buf, L"This is a test of putwc\n") != 0) | |
93 | { | |
94 | puts ("second comparison failed"); | |
95 | res = 1; | |
96 | } | |
97 | ||
98 | if (fclose (fp) != 0) | |
99 | { | |
100 | puts ("failure during fclose()"); | |
101 | res = 1; | |
102 | } | |
103 | ||
104 | return res; | |
105 | } | |
106 | ||
107 | ||
108 | #include "../test-skeleton.c" |