hdf5/test/tconfig.c

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/***********************************************************
 *
 * Test program:  tconfig
 *
 * Test the definitions in the H5config.h as much as possible
 *
 *************************************************************/

#include "testhdf5.h"

/* macros definitions */
/* verify C int type: verify the size of signed and unsigned int type
 * with the macro size.
 */
#define vrfy_cint_type(ctype, uctype, ctype_macro)                                                           \
    do {                                                                                                     \
        /* check signed type size */                                                                         \
        vrfy_macrosize(ctype, ctype_macro, #ctype_macro);                                                    \
        /* check unsigned type size */                                                                       \
        vrfy_macrosize(uctype, ctype_macro, #ctype_macro);                                                   \
    } while (0)

/* verify C type sizes: verify the sizeof type with the macro size. */
#define vrfy_ctype(type, macro)                                                                              \
    do {                                                                                                     \
        vrfy_macrosize(type, macro, #macro);                                                                 \
    } while (0)

/* verify if the sizeof(type) matches size defined in macro. */
/* Needs this extra step so that we can print the macro name. */
#define vrfy_macrosize(type, macro, macroname)                                                               \
    if (sizeof(type) != (macro))                                                                             \
        TestErrPrintf("Error: sizeof(%s) is %zu but %s is %d\n", #type, sizeof(type), macroname,             \
                      (int)(macro));

/* local routine prototypes */
void test_config_ctypes(void);
void test_exit_definitions(void);

/*-------------------------------------------------------------------------
 * Function:    test_configure
 *
 * Purpose:    Main configure definitions testing routine
 *
 * Return:    none (error is fed back via global variable num_errs)
 *
 *-------------------------------------------------------------------------
 */
void
test_configure(void)
{
    /* Output message about test being performed */
    MESSAGE(5, ("Testing configure definitions\n"));
    test_config_ctypes();
    test_exit_definitions();
}

/*-------------------------------------------------------------------------
 * Function:    cleanup_configure
 *
 * Purpose:    Cleanup temporary test files
 *
 * Return:    none
 *
 *-------------------------------------------------------------------------
 */
void
cleanup_configure(void)
{
    /* no file to clean */
}

/*-------------------------------------------------------------------------
 * Function:    test_config_ctypes
 *
 * Purpose:    test C language data type sizes
 *
 * Return:    none (error is fed back via global variable num_errs)
 *
 *-------------------------------------------------------------------------
 */
void
test_config_ctypes(void)
{
    /* standard C89 basic types */
    /* char, signed char,  unsigned char are three distinct types. */
    vrfy_ctype(char, H5_SIZEOF_CHAR);
    vrfy_cint_type(signed char, unsigned char, H5_SIZEOF_CHAR);
    vrfy_cint_type(int, unsigned int, H5_SIZEOF_INT);
    vrfy_cint_type(short, unsigned short, H5_SIZEOF_SHORT);
    vrfy_cint_type(long, unsigned long, H5_SIZEOF_LONG);
    vrfy_ctype(float, H5_SIZEOF_FLOAT);
    vrfy_ctype(double, H5_SIZEOF_DOUBLE);
    vrfy_ctype(long double, H5_SIZEOF_LONG_DOUBLE);

    /* standard C99 basic types */
    vrfy_cint_type(long long, unsigned long long, H5_SIZEOF_LONG_LONG);
    vrfy_cint_type(int8_t, uint8_t, H5_SIZEOF_INT8_T);
    vrfy_cint_type(int16_t, uint16_t, H5_SIZEOF_INT16_T);
    vrfy_cint_type(int32_t, uint32_t, H5_SIZEOF_INT32_T);
    vrfy_cint_type(int64_t, uint64_t, H5_SIZEOF_INT64_T);

    /* Some vendors have different sizes for the signed and unsigned */
    /* fast8_t.  Need to check them individually. */
#if H5_SIZEOF_INT_FAST8_T > 0
    vrfy_ctype(int_fast8_t, H5_SIZEOF_INT_FAST8_T);
#endif

#if H5_SIZEOF_UINT_FAST8_T > 0
    vrfy_ctype(uint_fast8_t, H5_SIZEOF_UINT_FAST8_T);
#endif

#if H5_SIZEOF_INT_FAST16_T > 0
    vrfy_cint_type(int_fast16_t, uint_fast16_t, H5_SIZEOF_INT_FAST16_T);
#endif

#if H5_SIZEOF_INT_FAST32_T > 0
    vrfy_cint_type(int_fast32_t, uint_fast32_t, H5_SIZEOF_INT_FAST32_T);
#endif

#if H5_SIZEOF_INT_FAST64_T > 0
    vrfy_cint_type(int_fast64_t, uint_fast64_t, H5_SIZEOF_INT_FAST64_T);
#endif

#if H5_SIZEOF_INT_LEAST8_T > 0
    vrfy_cint_type(int_least8_t, uint_least8_t, H5_SIZEOF_INT_LEAST8_T);
#endif

#if H5_SIZEOF_INT_LEAST16_T > 0
    vrfy_cint_type(int_least16_t, uint_least16_t, H5_SIZEOF_INT_LEAST16_T);
#endif

#if H5_SIZEOF_INT_LEAST32_T > 0
    vrfy_cint_type(int_least32_t, uint_least32_t, H5_SIZEOF_INT_LEAST32_T);
#endif

#if H5_SIZEOF_INT_LEAST64_T > 0
    vrfy_cint_type(int_least64_t, uint_least64_t, H5_SIZEOF_INT_LEAST64_T);
#endif

#if H5_SIZEOF_OFF_T > 0
    vrfy_ctype(off_t, H5_SIZEOF_OFF_T);
#endif

#if H5_SIZEOF_SIZE_T > 0
    vrfy_ctype(size_t, H5_SIZEOF_SIZE_T);
#endif

#if H5_SIZEOF_SSIZE_T > 0
    vrfy_ctype(ssize_t, H5_SIZEOF_SSIZE_T);
#endif
}

/*-------------------------------------------------------------------------
 * Function:    test_exit_definitions
 *
 * Purpose:    test the exit macros values
 *
 * Return:    none (error is fed back via global variable num_errs)
 *
 *-------------------------------------------------------------------------
 */
void
test_exit_definitions(void)
{
    /* Verify the EXIT_SUCCESS and EXIT_FAILURE are 0 and 1 respectively. */
    /* This should be true for POSIX compliant systems. */
    if (EXIT_SUCCESS != 0)
        TestErrPrintf("Error: EXIT_SUCCESS is %d, should be %d\n", EXIT_SUCCESS, 0);
    if (EXIT_FAILURE != 1)
        TestErrPrintf("Error: EXIT_FAILURE is %d, should be %d\n", EXIT_FAILURE, 1);
}