CMake/Source/kwsys/kwsysPlatformTestsCXX.cxx

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12 KiB
C++

/*============================================================================
KWSys - Kitware System Library
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
// Setup for tests that use result of stl namespace test.
#if defined(KWSYS_STL_HAVE_STD)
# if KWSYS_STL_HAVE_STD
# define kwsys_stl std
# else
# define kwsys_stl
# endif
#endif
// Setup for tests that use iostreams.
#if defined(KWSYS_IOS_USE_ANSI) && defined(KWSYS_IOS_HAVE_STD)
# if defined(_MSC_VER)
# pragma warning (push,1)
# endif
# if KWSYS_IOS_USE_ANSI
# include <iostream>
# else
# include <iostream.h>
# endif
# if defined(_MSC_VER)
# pragma warning (pop)
# endif
# if KWSYS_IOS_HAVE_STD
# define kwsys_ios std
# else
# define kwsys_ios
# endif
#endif
#ifdef TEST_KWSYS_STL_HAVE_STD
#include <list>
void f(std ::list<int>*) {}
int main() { return 0; }
#endif
#ifdef TEST_KWSYS_IOS_USE_ANSI
#include <iosfwd>
int main() { return 0; }
#endif
#ifdef TEST_KWSYS_IOS_HAVE_STD
#include <iosfwd>
void f(std ::ostream*) {}
int main() { return 0; }
#endif
#ifdef TEST_KWSYS_IOS_USE_SSTREAM
#include <sstream>
#if defined(__GNUC__) && __GNUC__ == 2 && __GNUC_MINOR__ == 96
# error "GCC 2.96 stringstream is buggy"
#endif
int main()
{
std ::ostringstream ostr;
ostr << "hello";
if(ostr.str().size() == 5)
{
return 0;
}
return -1;
}
#endif
#ifdef TEST_KWSYS_IOS_USE_STRSTREAM_H
#include <strstream.h>
int main() { return 0; }
#endif
#ifdef TEST_KWSYS_IOS_USE_STRSTREA_H
#include <strstrea.h>
int main() { return 0; }
#endif
#ifdef TEST_KWSYS_STL_STRING_HAVE_OSTREAM
# include <iostream.h>
# include <string>
void f(ostream& os, const kwsys_stl::string& s) { os << s; }
int main() { return 0; }
#endif
#ifdef TEST_KWSYS_STL_STRING_HAVE_ISTREAM
# include <iostream.h>
# include <string>
void f(istream& is, kwsys_stl::string& s) { is >> s; }
int main() { return 0; }
#endif
#ifdef TEST_KWSYS_STL_STRING_HAVE_NEQ_CHAR
# include <string>
bool f(const kwsys_stl::string& s) { return s != ""; }
int main() { return 0; }
#endif
#ifdef TEST_KWSYS_CXX_HAS_CSTDIO
#include <cstdio>
int main() { return 0; }
#endif
#ifdef TEST_KWSYS_CXX_HAS_CSTDDEF
#include <cstddef>
void f(size_t) {}
int main() { return 0; }
#endif
#ifdef TEST_KWSYS_CXX_HAS_LONG_LONG
long long f(long long n) { return n; }
int main()
{
long long n = 0;
return static_cast<int>(f(n));
}
#endif
#ifdef TEST_KWSYS_CXX_HAS___INT64
__int64 f(__int64 n) { return n; }
int main()
{
__int64 n = 0;
return static_cast<int>(f(n));
}
#endif
#ifdef TEST_KWSYS_CXX_HAS_NULL_TEMPLATE_ARGS
template <class T> class A;
template <class T> int f(A<T>&);
template <class T> class A
{
public:
// "friend int f<>(A<T>&)" would conform
friend int f(A<T>&);
private:
int x;
};
template <class T> int f(A<T>& a) { return a.x = 0; }
template int f(A<int>&);
int main()
{
A<int> a;
return f(a);
}
#endif
#ifdef TEST_KWSYS_CXX_HAS_MEMBER_TEMPLATES
template <class U>
class A
{
public:
U u;
A(): u(0) {}
template <class V> V m(V* p) { return *p = u; }
};
int main()
{
A<short> a;
int s = 1;
return a.m(&s);
}
#endif
#ifdef TEST_KWSYS_CXX_HAS_FULL_SPECIALIZATION
template <class T> struct A {};
template <> struct A<int*>
{
static int f() { return 0; }
};
int main() { return A<int*>::f(); }
#endif
#ifdef TEST_KWSYS_CXX_HAS_ARGUMENT_DEPENDENT_LOOKUP
namespace N
{
class A {};
int f(A*) { return 0; }
}
void f(void*);
int main()
{
N::A* a = 0;
return f(a);
}
#endif
#ifdef TEST_KWSYS_STL_HAS_ITERATOR_TRAITS
#include <iterator>
#include <list>
void f(kwsys_stl::iterator_traits<kwsys_stl::list<int>::iterator>::iterator_category const&) {}
int main() { return 0; }
#endif
#ifdef TEST_KWSYS_STL_HAS_ITERATOR_CATEGORY
#include <iterator>
#include <list>
void f(kwsys_stl::list<int>::iterator x) { kwsys_stl::iterator_category(x); }
int main() { return 0; }
#endif
#ifdef TEST_KWSYS_STL_HAS___ITERATOR_CATEGORY
#include <iterator>
#include <list>
void f(kwsys_stl::list<int>::iterator x) { kwsys_stl::__iterator_category(x); }
int main() { return 0; }
#endif
#ifdef TEST_KWSYS_STL_HAS_ALLOCATOR_TEMPLATE
#include <memory>
template <class Alloc>
void f(const Alloc&)
{
typedef typename Alloc::size_type alloc_size_type;
}
int main()
{
f(kwsys_stl::allocator<char>());
return 0;
}
#endif
#ifdef TEST_KWSYS_STL_HAS_ALLOCATOR_NONTEMPLATE
#include <memory>
void f(kwsys_stl::allocator::size_type const&) {}
int main() { return 0; }
#endif
#ifdef TEST_KWSYS_STL_HAS_ALLOCATOR_REBIND
#include <memory>
template <class T, class Alloc>
void f(const T&, const Alloc&)
{
typedef typename Alloc::template rebind<T>::other alloc_type;
}
int main()
{
f(0, kwsys_stl::allocator<char>());
return 0;
}
#endif
#ifdef TEST_KWSYS_STL_HAS_ALLOCATOR_MAX_SIZE_ARGUMENT
#include <memory>
void f(kwsys_stl::allocator<char> const& a)
{
a.max_size(sizeof(int));
}
int main()
{
f(kwsys_stl::allocator<char>());
return 0;
}
#endif
#ifdef TEST_KWSYS_STL_HAS_ALLOCATOR_OBJECTS
#include <vector>
void f(kwsys_stl::vector<int> const& v1)
{
kwsys_stl::vector<int>(1, 1, v1.get_allocator());
}
int main()
{
f(kwsys_stl::vector<int>());
return 0;
}
#endif
#ifdef TEST_KWSYS_STAT_HAS_ST_MTIM
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
int main()
{
struct stat stat1;
(void)stat1.st_mtim.tv_sec;
(void)stat1.st_mtim.tv_nsec;
return 0;
}
#endif
#ifdef TEST_KWSYS_CXX_SAME_LONG_AND___INT64
void function(long**) {}
int main()
{
__int64** p = 0;
function(p);
return 0;
}
#endif
#ifdef TEST_KWSYS_CXX_SAME_LONG_LONG_AND___INT64
void function(long long**) {}
int main()
{
__int64** p = 0;
function(p);
return 0;
}
#endif
#ifdef TEST_KWSYS_CAN_CONVERT_UI64_TO_DOUBLE
void function(double& l, unsigned __int64 const& r)
{
l = static_cast<double>(r);
}
int main()
{
double tTo = 0.0;
unsigned __int64 tFrom = 0;
function(tTo, tFrom);
return 0;
}
#endif
#ifdef TEST_KWSYS_IOS_HAVE_BINARY
int test_binary(int, ...)
{
return 0;
}
int main()
{
return test_binary(1, kwsys_ios::ios::binary);
}
#endif
#ifdef TEST_KWSYS_IOS_HAS_ISTREAM_LONG_LONG
int test_istream(kwsys_ios::istream& is, long long& x)
{
return (is >> x)? 1:0;
}
int main()
{
long long x = 0;
return test_istream(kwsys_ios::cin, x);
}
#endif
#ifdef TEST_KWSYS_IOS_HAS_OSTREAM_LONG_LONG
int test_ostream(kwsys_ios::ostream& os, long long x)
{
return (os << x)? 1:0;
}
int main()
{
long long x = 0;
return test_ostream(kwsys_ios::cout, x);
}
#endif
#ifdef TEST_KWSYS_IOS_HAS_ISTREAM___INT64
int test_istream(kwsys_ios::istream& is, __int64& x)
{
return (is >> x)? 1:0;
}
int main()
{
__int64 x = 0;
return test_istream(kwsys_ios::cin, x);
}
#endif
#ifdef TEST_KWSYS_IOS_HAS_OSTREAM___INT64
int test_ostream(kwsys_ios::ostream& os, __int64 x)
{
return (os << x)? 1:0;
}
int main()
{
__int64 x = 0;
return test_ostream(kwsys_ios::cout, x);
}
#endif
#ifdef TEST_KWSYS_CHAR_IS_SIGNED
/* Return 0 for char signed and 1 for char unsigned. */
int main()
{
unsigned char uc = 255;
return (*reinterpret_cast<char*>(&uc) < 0)?0:1;
}
#endif
#ifdef TEST_KWSYS_LFS_WORKS
/* Return 0 when LFS is available and 1 otherwise. */
#define _LARGEFILE_SOURCE
#define _LARGEFILE64_SOURCE
#define _LARGE_FILES
#define _FILE_OFFSET_BITS 64
#include <sys/types.h>
#include <sys/stat.h>
#include <assert.h>
#if KWSYS_CXX_HAS_CSTDIO
# include <cstdio>
#endif
#include <stdio.h>
int main(int, char **argv)
{
/* check that off_t can hold 2^63 - 1 and perform basic operations... */
#define OFF_T_64 (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
if (OFF_T_64 % 2147483647 != 1)
return 1;
// stat breaks on SCO OpenServer
struct stat buf;
stat( argv[0], &buf );
if (!S_ISREG(buf.st_mode))
return 2;
FILE *file = fopen( argv[0], "r" );
off_t offset = ftello( file );
fseek( file, offset, SEEK_CUR );
fclose( file );
return 0;
}
#endif
#ifdef TEST_KWSYS_CXX_HAS_SETENV
#include <stdlib.h>
int main()
{
return setenv("A", "B", 1);
}
#endif
#ifdef TEST_KWSYS_CXX_HAS_UNSETENV
#include <stdlib.h>
int main()
{
unsetenv("A");
return 0;
}
#endif
#ifdef TEST_KWSYS_CXX_HAS_ENVIRON_IN_STDLIB_H
#include <stdlib.h>
int main()
{
char* e = environ[0];
return e? 0:1;
}
#endif
#ifdef TEST_KWSYS_CXX_HAS_RLIMIT64
# if defined(KWSYS_HAS_LFS)
# define _LARGEFILE_SOURCE
# define _LARGEFILE64_SOURCE
# define _LARGE_FILES
# define _FILE_OFFSET_BITS 64
# endif
# include <sys/resource.h>
int main()
{
struct rlimit64 rlim;
return getrlimit64(0,&rlim);
}
#endif
#ifdef TEST_KWSYS_CXX_HAS_ATOLL
#include <stdlib.h>
int main()
{
const char *str="1024";
return static_cast<int>(atoll(str));
}
#endif
#ifdef TEST_KWSYS_CXX_HAS_ATOL
#include <stdlib.h>
int main()
{
const char *str="1024";
return static_cast<int>(atol(str));
}
#endif
#ifdef TEST_KWSYS_CXX_HAS__ATOI64
#include <stdlib.h>
int main()
{
const char *str="1024";
return static_cast<int>(_atoi64(str));
}
#endif
#ifdef TEST_KWSYS_CXX_TYPE_INFO
/* Collect fundamental type information and save it to a CMake script. */
/* Include limits.h to get macros indicating long long and __int64.
Note that certain compilers need special macros to define these
macros in limits.h. */
#if defined(_MSC_VER) && !defined(_MSC_EXTENSIONS)
# define _MSC_EXTENSIONS
#endif
#if defined(__GNUC__) && __GNUC__ < 3
# define _GNU_SOURCE
#endif
#include <limits.h>
#include <stdio.h>
#include <string.h>
/* Due to shell differences and limitations of ADD_DEFINITIONS the
KWSYS_CXX_TYPE_INFO_FILE macro will sometimes have double quotes
and sometimes not. This macro will make sure the value is treated
as a double-quoted string. */
#define TO_STRING(x) TO_STRING0(x)
#define TO_STRING0(x) TO_STRING1(x)
#define TO_STRING1(x) #x
void f() {}
int main()
{
/* Construct the output file name. Some preprocessors will add an
extra level of double quotes, so strip them. */
char fbuf[] = TO_STRING(KWSYS_CXX_TYPE_INFO_FILE);
char* fname = fbuf;
if(fname[0] == '"')
{
++fname;
int len = static_cast<int>(strlen(fname));
if(len > 0 && fname[len-1] == '"')
{
fname[len-1] = 0;
}
}
/* Try to open the output file. */
if(FILE* fout = fopen(fname, "w"))
{
/* Set the size of standard types. */
fprintf(fout, "SET(KWSYS_SIZEOF_CHAR %d)\n", static_cast<int>(sizeof(char)));
fprintf(fout, "SET(KWSYS_SIZEOF_SHORT %d)\n", static_cast<int>(sizeof(short)));
fprintf(fout, "SET(KWSYS_SIZEOF_INT %d)\n", static_cast<int>(sizeof(int)));
fprintf(fout, "SET(KWSYS_SIZEOF_LONG %d)\n", static_cast<int>(sizeof(long)));
/* Set the size of some non-standard but common types. */
/* Check for a limits.h macro for long long to see if the type exists. */
#if defined(LLONG_MAX) || defined(LONG_LONG_MAX) || defined(LONGLONG_MAX)
fprintf(fout, "SET(KWSYS_SIZEOF_LONG_LONG %d)\n", static_cast<int>(sizeof(long long)));
#else
fprintf(fout, "SET(KWSYS_SIZEOF_LONG_LONG 0) # No long long available.\n");
#endif
/* Check for a limits.h macro for __int64 to see if the type exists. */
#if defined(_I64_MIN)
fprintf(fout, "SET(KWSYS_SIZEOF___INT64 %d)\n", static_cast<int>(sizeof(__int64)));
#else
fprintf(fout, "SET(KWSYS_SIZEOF___INT64 0) # No __int64 available.\n");
#endif
/* Set the size of some pointer types. */
fprintf(fout, "SET(KWSYS_SIZEOF_PDATA %d)\n", static_cast<int>(sizeof(void*)));
fprintf(fout, "SET(KWSYS_SIZEOF_PFUNC %d)\n", static_cast<int>(sizeof(&f)));
/* Set whether the native type "char" is signed or unsigned. */
unsigned char uc = 255;
fprintf(fout, "SET(KWSYS_CHAR_IS_SIGNED %d)\n",
(*reinterpret_cast<char*>(&uc) < 0)?1:0);
fclose(fout);
return 0;
}
else
{
fprintf(stderr, "Failed to write fundamental type info to \"%s\".\n",
fname);
return 1;
}
}
#endif