regex/test/c_compiler_checks/wide_posix_api_check.cpp
2015-10-08 10:06:34 +01:00

103 lines
2.3 KiB
C++

/*
*
* Copyright (c) 1998-2002
* John Maddock
*
* Use, modification and distribution are subject to the
* Boost Software License, Version 1.0. (See accompanying file
* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*
*/
/*
* LOCATION: see http://www.boost.org for most recent version.
* FILE wide_posix_api_compiler_check.c
* VERSION see <boost/version.hpp>
* DESCRIPTION: Verify that POSIX API calls compile: note this is a compile
* time check only.
*/
#define UNICODE
#define _UNICODE
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include <boost/regex.h>
#include <wchar.h>
#include <iostream>
#include <iomanip>
#ifndef BOOST_NO_WREGEX
const wchar_t* expression = L"^";
const wchar_t* text = L"\n ";
regmatch_t matches[1];
int flags = REG_EXTENDED | REG_BASIC | REG_NOSPEC | REG_ICASE | REG_NOSUB |
REG_NEWLINE | REG_PEND | REG_NOCOLLATE | REG_ESCAPE_IN_LISTS |
REG_NEWLINE_ALT | REG_PERL | REG_AWK | REG_GREP | REG_EGREP;
int main()
{
regex_t re;
unsigned result;
result = regcomp(&re, expression, REG_AWK);
if(result > REG_NOERROR)
{
wchar_t buf[256];
regerror(result, &re, buf, sizeof(buf));
char nbuf[256];
for(int i = 0; i < 256; ++i)
nbuf[i] = static_cast<char>(buf[i]);
printf("%s", nbuf);
return result;
}
if(re.re_nsub != 0)
{
regfree(&re);
exit(-1);
}
matches[0].rm_so = 0;
matches[0].rm_eo = wcslen(text);
result = regexec(&re, text, 1, matches, REG_NOTBOL | REG_NOTEOL | REG_STARTEND);
if(result > REG_NOERROR)
{
wchar_t buf[256];
regerror(result, &re, buf, sizeof(buf));
char nbuf[256];
for(int i = 0; i < 256; ++i)
nbuf[i] = static_cast<char>(buf[i]);
printf("%s", nbuf);
regfree(&re);
return result;
}
if((matches[0].rm_so != matches[0].rm_eo) || (matches[0].rm_eo != 1))
{
regfree(&re);
exit(-1);
}
regfree(&re);
printf("%s", "no errors found\n");
return 0;
}
#else
#include <iostream>
int main()
{
std::cout <<
"\n<note>\n"
"This platform does not provide the needed wide character support for this test.\n"
"</note>\n";
return 0;
}
#endif