CMake/kwsysPlatformTestsC.c
KWSys Robot 7d3c2959fa KWSys 2012-05-02 (719638e2)
Extract upstream KWSys using the following shell code.

$ sha1=719638e233b560afb0d9a0afdcf23469dc1827fe &&
git archive --prefix=KWSys-snapshot/ $sha1 |
tar x
2012-10-01 14:38:57 -04:00

101 lines
2.4 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.
============================================================================*/
/*
Macros to define main() in a cross-platform way.
Usage:
int KWSYS_PLATFORM_TEST_C_MAIN()
{
return 0;
}
int KWSYS_PLATFORM_TEST_C_MAIN_ARGS(argc, argv)
{
(void)argc; (void)argv;
return 0;
}
*/
#if defined(__CLASSIC_C__)
# define KWSYS_PLATFORM_TEST_C_MAIN() \
main()
# define KWSYS_PLATFORM_TEST_C_MAIN_ARGS(argc, argv) \
main(argc,argv) int argc; char* argv[];
#else
# define KWSYS_PLATFORM_TEST_C_MAIN() \
main(void)
# define KWSYS_PLATFORM_TEST_C_MAIN_ARGS(argc, argv) \
main(int argc, char* argv[])
#endif
/*--------------------------------------------------------------------------*/
#ifdef TEST_KWSYS_C_HAS_PTRDIFF_T
#include <stddef.h>
int f(ptrdiff_t n) { return n > 0; }
int KWSYS_PLATFORM_TEST_C_MAIN()
{
char* p = 0;
ptrdiff_t d = p - p;
(void)d;
return f(p - p);
}
#endif
/*--------------------------------------------------------------------------*/
#ifdef TEST_KWSYS_C_HAS_SSIZE_T
#include <unistd.h>
int f(ssize_t n) { return (int)n; }
int KWSYS_PLATFORM_TEST_C_MAIN()
{
ssize_t n = 0;
return f(n);
}
#endif
/*--------------------------------------------------------------------------*/
#ifdef TEST_KWSYS_C_TYPE_MACROS
char* info_macros =
#if defined(__SIZEOF_SHORT__)
"INFO:macro[__SIZEOF_SHORT__]\n"
#endif
#if defined(__SIZEOF_INT__)
"INFO:macro[__SIZEOF_INT__]\n"
#endif
#if defined(__SIZEOF_LONG__)
"INFO:macro[__SIZEOF_LONG__]\n"
#endif
#if defined(__SIZEOF_LONG_LONG__)
"INFO:macro[__SIZEOF_LONG_LONG__]\n"
#endif
#if defined(__SHORT_MAX__)
"INFO:macro[__SHORT_MAX__]\n"
#endif
#if defined(__INT_MAX__)
"INFO:macro[__INT_MAX__]\n"
#endif
#if defined(__LONG_MAX__)
"INFO:macro[__LONG_MAX__]\n"
#endif
#if defined(__LONG_LONG_MAX__)
"INFO:macro[__LONG_LONG_MAX__]\n"
#endif
"";
int KWSYS_PLATFORM_TEST_C_MAIN_ARGS(argc, argv)
{
int require = 0;
require += info_macros[argc];
(void)argv;
return require;
}
#endif