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Diffstat (limited to 'Source/kwsys/kwsysPlatformTestsCXX.cxx')
| -rw-r--r-- | Source/kwsys/kwsysPlatformTestsCXX.cxx | 449 |
1 files changed, 449 insertions, 0 deletions
diff --git a/Source/kwsys/kwsysPlatformTestsCXX.cxx b/Source/kwsys/kwsysPlatformTestsCXX.cxx new file mode 100644 index 0000000..94579b3 --- /dev/null +++ b/Source/kwsys/kwsysPlatformTestsCXX.cxx @@ -0,0 +1,449 @@ +/*============================================================================ + 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. +============================================================================*/ +#ifdef TEST_KWSYS_CXX_HAS_CSTDIO +#include <cstdio> +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_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_HAS_ISTREAM_LONG_LONG +# include <iostream> +int test_istream(std::istream& is, long long& x) +{ + return (is >> x)? 1:0; +} +int main() +{ + long long x = 0; + return test_istream(std::cin, x); +} +#endif + +#ifdef TEST_KWSYS_IOS_HAS_OSTREAM_LONG_LONG +# include <iostream> +int test_ostream(std::ostream& os, long long x) +{ + return (os << x)? 1:0; +} +int main() +{ + long long x = 0; + return test_ostream(std::cout, x); +} +#endif + +#ifdef TEST_KWSYS_IOS_HAS_ISTREAM___INT64 +# include <iostream> +int test_istream(std::istream& is, __int64& x) +{ + return (is >> x)? 1:0; +} +int main() +{ + __int64 x = 0; + return test_istream(std::cin, x); +} +#endif + +#ifdef TEST_KWSYS_IOS_HAS_OSTREAM___INT64 +# include <iostream> +int test_ostream(std::ostream& os, __int64 x) +{ + return (os << x)? 1:0; +} +int main() +{ + __int64 x = 0; + return test_ostream(std::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_GETLOADAVG +// Match feature definitions from SystemInformation.cxx +#if (defined(__GNUC__) || defined(__PGI)) && !defined(_GNU_SOURCE) +# define _GNU_SOURCE +#endif +#include <stdlib.h> +int main() +{ + double loadavg[3] = { 0.0, 0.0, 0.0 }; + return getloadavg(loadavg, 3); +} +#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_HAS_UTIMES +#include <sys/time.h> +int main() +{ + struct timeval* current_time = 0; + return utimes("/example", current_time); +} +#endif + +#ifdef TEST_KWSYS_CXX_HAS_UTIMENSAT +#include <fcntl.h> +#include <sys/stat.h> +int main() +{ + struct timespec times[2] = {{0,UTIME_OMIT},{0,UTIME_NOW}}; + return utimensat(AT_FDCWD, "/example", times, AT_SYMLINK_NOFOLLOW); +} +#endif + +#ifdef TEST_KWSYS_CXX_HAS_BACKTRACE +#if defined(__PATHSCALE__) || defined(__PATHCC__) \ + || (defined(__LSB_VERSION__) && (__LSB_VERSION__ < 41)) +backtrace doesnt work with this compiler or os +#endif +#if (defined(__GNUC__) || defined(__PGI)) && !defined(_GNU_SOURCE) +# define _GNU_SOURCE +#endif +#include <execinfo.h> +int main() +{ + void *stackSymbols[256]; + backtrace(stackSymbols,256); + backtrace_symbols(&stackSymbols[0],1); + return 0; +} +#endif + +#ifdef TEST_KWSYS_CXX_HAS_DLADDR +#if (defined(__GNUC__) || defined(__PGI)) && !defined(_GNU_SOURCE) +# define _GNU_SOURCE +#endif +#include <dlfcn.h> +int main() +{ + Dl_info info; + int ierr=dladdr((void*)main,&info); + return 0; +} +#endif + +#ifdef TEST_KWSYS_CXX_HAS_CXXABI +#if (defined(__GNUC__) || defined(__PGI)) && !defined(_GNU_SOURCE) +# define _GNU_SOURCE +#endif +#if defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x5130 \ + && __linux && __SUNPRO_CC_COMPAT == 'G' +# include <iostream> +#endif +#include <cxxabi.h> +int main() +{ + int status = 0; + size_t bufferLen = 512; + char buffer[512] = {'\0'}; + const char *function="_ZN5kwsys17SystemInformation15GetProgramStackEii"; + char *demangledFunction = + abi::__cxa_demangle(function, buffer, &bufferLen, &status); + return status; +} +#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 + +#ifdef TEST_KWSYS_CXX_HAS_BORLAND_ASM +int main() +{ + int a = 1; + __asm { + xor EBX, EBX; + mov a, EBX; + } + + return a; +} +#endif + +#ifdef TEST_KWSYS_CXX_HAS_BORLAND_ASM_CPUID +int main() +{ + int a = 0; + __asm { + xor EAX, EAX; + cpuid; + mov a, EAX; + } + + return a; +} +#endif + +#ifdef TEST_KWSYS_STL_HAS_WSTRING +#include <string> +void f(std ::wstring*) {} +int main() { return 0; } +#endif |