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123 lines
3.0 KiB
C
123 lines
3.0 KiB
C
/* Simple test of putwc in the C locale.
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Copyright (C) 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 2000.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <error.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <wchar.h>
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static const char outname[] = OBJPFX "tst_putwc.temp";
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/* Prototype for our test function. */
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int do_test (void);
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#define TEST_FUNCTION do_test ()
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/* This defines the `main' function and some more. */
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#include <test-skeleton.c>
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int
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do_test (void)
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{
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const wchar_t str[] = L"This is a test of putwc\n";
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wchar_t buf[100];
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size_t n = 0;
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FILE *fp;
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int res = 0;
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add_temp_file (outname);
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fp = fopen (outname, "w+");
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if (fp == NULL)
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error (EXIT_FAILURE, errno, "cannot open temporary file");
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for (n = 0; str[n] != L'\0'; ++n)
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putwc (str[n], fp);
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/* First try reading after rewinding. */
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rewind (fp);
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wmemset (buf, L'\0', sizeof (buf) / sizeof (buf[0]));
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n = 0;
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while (! feof (fp) && n < sizeof (buf) - 1)
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{
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buf[n] = getwc (fp);
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if (buf[n] == WEOF)
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break;
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++n;
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}
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buf[n] = L'\0';
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if (wcscmp (buf, L"This is a test of putwc\n") != 0)
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{
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puts ("first comparison failed");
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res = 1;
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}
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/* Now close the file, open it again, and read again. */
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if (fclose (fp) != 0)
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{
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printf ("failure during fclose(): %m");
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res = 1;
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}
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fp = fopen (outname, "r");
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if (fp == NULL)
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error (EXIT_FAILURE, errno, "cannot reopen file");
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/* We can remove the file now. */
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remove (outname);
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wmemset (buf, L'\0', sizeof (buf) / sizeof (buf[0]));
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n = 0;
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while (! feof (fp) && n < sizeof (buf) - 1)
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{
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buf[n] = getwc (fp);
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if (buf[n] == WEOF)
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break;
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++n;
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}
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buf[n] = L'\0';
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if (wcscmp (buf, L"This is a test of putwc\n") != 0)
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{
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puts ("second comparison failed");
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res = 1;
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}
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if (fclose (fp) != 0)
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{
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puts ("failure during fclose()");
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res = 1;
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}
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/* Next test: write a bit more than a few bytes. */
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fp = fopen (outname, "w");
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if (fp == NULL)
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error (EXIT_FAILURE, errno, "cannot open temporary file");
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for (n = 0; n < 4098; ++n)
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putwc (n & 255, fp);
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fclose (fp);
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return res;
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}
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