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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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(void){ 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(void)
{
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 */
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