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Diffstat (limited to 'config/cmake/HDFTests.c')
| -rw-r--r-- | config/cmake/HDFTests.c | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/config/cmake/HDFTests.c b/config/cmake/HDFTests.c new file mode 100644 index 0000000..96460d7 --- /dev/null +++ b/config/cmake/HDFTests.c @@ -0,0 +1,217 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://www.hdfgroup.org/licenses. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + + +/* A simple test program to see if a function "works" */ +#define SIMPLE_TEST(x) int main(){ x; return 0; } + + +#ifdef HAVE_ATTRIBUTE + +int +main () +{ + int __attribute__((unused)) x; + + return 0; +} + +#endif /* HAVE_ATTRIBUTE */ + +#ifdef HAVE_TIMEZONE + +#ifdef HAVE_SYS_TIME_H +# include <sys/time.h> +#endif +#include <time.h> +SIMPLE_TEST(timezone = 0); + +#endif /* HAVE_TIMEZONE */ + +#ifdef SYSTEM_SCOPE_THREADS +#include <stdlib.h> +#include <pthread.h> + +int main(void) +{ + pthread_attr_t attribute; + int ret; + + pthread_attr_init(&attribute); + ret = pthread_attr_setscope(&attribute, PTHREAD_SCOPE_SYSTEM); + if (ret == 0) + return 0; + return 1; +} + +#endif /* SYSTEM_SCOPE_THREADS */ + +#ifdef HAVE_SOCKLEN_T + +#include <stdio.h> +#include <stdlib.h> +#ifdef HAVE_UNISTD_H +# include <unistd.h> +#endif +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +# include <sys/socket.h> +#endif + +SIMPLE_TEST(socklen_t foo); + +#endif /* HAVE_SOCKLEN_T */ + +#ifdef DEV_T_IS_SCALAR + +#ifdef HAVE_SYS_TYPES_H +#include <sys/types.h> +#endif + +int main () +{ + dev_t d1, d2; + if (d1 == d2) + return 0; + return 1; +} + +#endif /* DEV_T_IS_SCALAR */ + +#ifdef HAVE_OFF64_T + +#include <sys/types.h> + +int main() +{ + off64_t n = 0; + return (int)n; +} +#endif + +#ifdef TEST_DIRECT_VFD_WORKS + +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> + +int main(void) +{ + int fid; + + if ((fid = open("tst_file", O_CREAT | O_TRUNC | O_DIRECT, 0755)) < 0) + return 1; + close(fid); + remove("tst_file"); + + return 0; +} +#endif + +#ifdef HAVE_DIRECT + SIMPLE_TEST(posix_memalign()); +#endif + +#ifdef HAVE_DEFAULT_SOURCE +/* Check default source */ +#include <features.h> + +int +main(void) +{ +#ifdef __GLIBC_PREREQ + return __GLIBC_PREREQ(2,19); +#else + return 0; +#endif +} +#endif + +#ifdef TEST_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> +#include <stdio.h> + +#define OFF_T_64 (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) + +int main(int argc, char **argv) +{ + + /* Check that off_t can hold 2^63 - 1 and perform basic operations... */ + 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 GETTIMEOFDAY_GIVES_TZ +#include <time.h> +#ifdef HAVE_SYS_TIME_H +#include <sys/time.h> +#endif +int main(void) +{ + struct timeval tv; + struct timezone tz; + + tz.tz_minuteswest = 7777; /* Initialize to an unreasonable number */ + tz.tz_dsttime = 7; + + gettimeofday(&tv, &tz); + + /* Check whether the function returned any value at all */ + if (tz.tz_minuteswest == 7777 && tz.tz_dsttime == 7) + return 1; + else + return 0; +} +#endif + +#ifdef HAVE_IOEO + +#include <windows.h> +typedef void (WINAPI *PGNSI)(LPSYSTEM_INFO); +int main () +{ + PGNSI pGNSI; + + pGNSI = (PGNSI) GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")), "InitOnceExecuteOnce"); + + if (NULL == pGNSI) + return 1; + else + return 0; +} + +#endif /* HAVE_IOEO */ |