Permalink
Cannot retrieve contributors at this time
Name already in use
A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
glibc/libio/tst_putwc.c
Go to fileThis commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
124 lines (100 sloc)
2.91 KB
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/* Simple test of putwc in the C locale. | |
Copyright (C) 2000-2016 Free Software Foundation, Inc. | |
This file is part of the GNU C Library. | |
Contributed by Ulrich Drepper <drepper@cygnus.com>, 2000. | |
The GNU C Library is free software; you can redistribute it and/or | |
modify it under the terms of the GNU Lesser General Public | |
License as published by the Free Software Foundation; either | |
version 2.1 of the License, or (at your option) any later version. | |
The GNU C Library is distributed in the hope that it will be useful, | |
but WITHOUT ANY WARRANTY; without even the implied warranty of | |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
Lesser General Public License for more details. | |
You should have received a copy of the GNU Lesser General Public | |
License along with the GNU C Library; if not, see | |
<http://www.gnu.org/licenses/>. */ | |
#include <errno.h> | |
#include <error.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <wchar.h> | |
static const char outname[] = OBJPFX "tst_putwc.temp"; | |
/* Prototype for our test function. */ | |
int do_test (void); | |
#define TEST_FUNCTION do_test () | |
/* This defines the `main' function and some more. */ | |
#include <test-skeleton.c> | |
int | |
do_test (void) | |
{ | |
const wchar_t str[] = L"This is a test of putwc\n"; | |
wchar_t buf[100]; | |
size_t n = 0; | |
FILE *fp; | |
int res = 0; | |
add_temp_file (outname); | |
fp = fopen (outname, "w+"); | |
if (fp == NULL) | |
error (EXIT_FAILURE, errno, "cannot open temporary file"); | |
for (n = 0; str[n] != L'\0'; ++n) | |
putwc (str[n], fp); | |
/* First try reading after rewinding. */ | |
rewind (fp); | |
wmemset (buf, L'\0', sizeof (buf) / sizeof (buf[0])); | |
n = 0; | |
while (! feof (fp) && n < sizeof (buf) - 1) | |
{ | |
buf[n] = getwc (fp); | |
if (buf[n] == WEOF) | |
break; | |
++n; | |
} | |
buf[n] = L'\0'; | |
if (wcscmp (buf, L"This is a test of putwc\n") != 0) | |
{ | |
puts ("first comparison failed"); | |
res = 1; | |
} | |
/* Now close the file, open it again, and read again. */ | |
if (fclose (fp) != 0) | |
{ | |
printf ("failure during fclose: %m\n"); | |
res = 1; | |
} | |
fp = fopen (outname, "r"); | |
if (fp == NULL) | |
{ | |
printf ("cannot reopen file: %m\n"); | |
return 1; | |
} | |
/* We can remove the file now. */ | |
remove (outname); | |
wmemset (buf, L'\0', sizeof (buf) / sizeof (buf[0])); | |
n = 0; | |
while (! feof (fp) && n < sizeof (buf) - 1) | |
{ | |
buf[n] = getwc (fp); | |
if (buf[n] == WEOF) | |
break; | |
++n; | |
} | |
buf[n] = L'\0'; | |
if (wcscmp (buf, L"This is a test of putwc\n") != 0) | |
{ | |
puts ("second comparison failed"); | |
res = 1; | |
} | |
if (fclose (fp) != 0) | |
{ | |
printf ("failure during fclose: %m\n"); | |
res = 1; | |
} | |
/* Next test: write a bit more than a few bytes. */ | |
fp = fopen (outname, "w"); | |
if (fp == NULL) | |
error (EXIT_FAILURE, errno, "cannot open temporary file"); | |
for (n = 0; n < 4098; ++n) | |
putwc (n & 255, fp); | |
fclose (fp); | |
return res; | |
} |