test/testplatform.c
author Edgar Simo <bobbens@gmail.com>
Wed, 06 Aug 2008 07:54:33 +0000
branchgsoc2008_force_feedback
changeset 2614 3ee319d9800a
parent 2062 c9aa6bcb26f3
child 2434 12d3b55ebbfc
child 2765 f55c87ae336b
permissions -rw-r--r--
Fixed another typo.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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#include <stdio.h>
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#include "SDL.h"
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#include "SDL_endian.h"
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#include "SDL_cpuinfo.h"
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/*
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 * Watcom C flags these as Warning 201: "Unreachable code" if you just
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 *  compare them directly, so we push it through a function to keep the
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 *  compiler quiet.  --ryan.
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 */
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static int
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badsize(size_t sizeoftype, size_t hardcodetype)
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{
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    return sizeoftype != hardcodetype;
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}
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int
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TestTypes(SDL_bool verbose)
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{
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    int error = 0;
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    if (badsize(sizeof(Uint8), 1)) {
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        if (verbose)
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            printf("sizeof(Uint8) != 1, instead = %ul\n", sizeof(Uint8));
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        ++error;
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    }
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    if (badsize(sizeof(Uint16), 2)) {
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        if (verbose)
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            printf("sizeof(Uint16) != 2, instead = %ul\n", sizeof(Uint16));
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        ++error;
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    }
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    if (badsize(sizeof(Uint32), 4)) {
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        if (verbose)
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            printf("sizeof(Uint32) != 4, instead = %ul\n", sizeof(Uint32));
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        ++error;
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    }
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#ifdef SDL_HAS_64BIT_TYPE
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    if (badsize(sizeof(Uint64), 8)) {
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        if (verbose)
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            printf("sizeof(Uint64) != 8, instead = %ul\n", sizeof(Uint64));
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        ++error;
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    }
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#else
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    if (verbose) {
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        printf("WARNING: No 64-bit datatype on this platform\n");
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    }
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#endif
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    if (verbose && !error)
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        printf("All data types are the expected size.\n");
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    return (error ? 1 : 0);
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}
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int
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TestEndian(SDL_bool verbose)
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{
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    int error = 0;
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    Uint16 value = 0x1234;
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    int real_byteorder;
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    Uint16 value16 = 0xCDAB;
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    Uint16 swapped16 = 0xABCD;
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    Uint32 value32 = 0xEFBEADDE;
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    Uint32 swapped32 = 0xDEADBEEF;
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#ifdef SDL_HAS_64BIT_TYPE
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    Uint64 value64, swapped64;
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    value64 = 0xEFBEADDE;
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    value64 <<= 32;
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    value64 |= 0xCDAB3412;
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    swapped64 = 0x1234ABCD;
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    swapped64 <<= 32;
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    swapped64 |= 0xDEADBEEF;
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#endif
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    if (verbose) {
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        printf("Detected a %s endian machine.\n",
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               (SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big");
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    }
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    if ((*((char *) &value) >> 4) == 0x1) {
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        real_byteorder = SDL_BIG_ENDIAN;
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    } else {
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        real_byteorder = SDL_LIL_ENDIAN;
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    }
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    if (real_byteorder != SDL_BYTEORDER) {
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        if (verbose) {
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            printf("Actually a %s endian machine!\n",
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                   (real_byteorder == SDL_LIL_ENDIAN) ? "little" : "big");
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        }
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        ++error;
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    }
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    if (verbose) {
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        printf("Value 16 = 0x%X, swapped = 0x%X\n", value16,
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               SDL_Swap16(value16));
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    }
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    if (SDL_Swap16(value16) != swapped16) {
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        if (verbose) {
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            printf("16 bit value swapped incorrectly!\n");
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        }
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        ++error;
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    }
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    if (verbose) {
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        printf("Value 32 = 0x%X, swapped = 0x%X\n", value32,
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               SDL_Swap32(value32));
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    }
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    if (SDL_Swap32(value32) != swapped32) {
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        if (verbose) {
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            printf("32 bit value swapped incorrectly!\n");
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        }
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        ++error;
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    }
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#ifdef SDL_HAS_64BIT_TYPE
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    if (verbose) {
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#ifdef _MSC_VER
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        printf("Value 64 = 0x%I64X, swapped = 0x%I64X\n", value64,
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               SDL_Swap64(value64));
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#else
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        printf("Value 64 = 0x%llX, swapped = 0x%llX\n", value64,
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               SDL_Swap64(value64));
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#endif
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    }
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    if (SDL_Swap64(value64) != swapped64) {
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        if (verbose) {
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            printf("64 bit value swapped incorrectly!\n");
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        }
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        ++error;
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   127
    }
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#endif
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    return (error ? 1 : 0);
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}
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int
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TestCPUInfo(SDL_bool verbose)
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{
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    if (verbose) {
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        printf("RDTSC %s\n", SDL_HasRDTSC()? "detected" : "not detected");
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        printf("MMX %s\n", SDL_HasMMX()? "detected" : "not detected");
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        printf("MMX Ext %s\n", SDL_HasMMXExt()? "detected" : "not detected");
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        printf("3DNow %s\n", SDL_Has3DNow()? "detected" : "not detected");
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        printf("3DNow Ext %s\n",
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               SDL_Has3DNowExt()? "detected" : "not detected");
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        printf("SSE %s\n", SDL_HasSSE()? "detected" : "not detected");
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        printf("SSE2 %s\n", SDL_HasSSE2()? "detected" : "not detected");
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        printf("AltiVec %s\n", SDL_HasAltiVec()? "detected" : "not detected");
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   146
    }
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    return (0);
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}
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int
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main(int argc, char *argv[])
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{
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    SDL_bool verbose = SDL_TRUE;
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    int status = 0;
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    if (argv[1] && (SDL_strcmp(argv[1], "-q") == 0)) {
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        verbose = SDL_FALSE;
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   158
    }
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    if (verbose) {
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        printf("This system is running %s\n",
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#if __AIX__
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               "AIX"
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#elif __BEOS__
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               "BeOS"
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#elif __BSDI__
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               "BSDI"
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#elif __DREAMCAST__
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               "Dreamcast"
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#elif __FREEBSD__
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               "FreeBSD"
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#elif __HPUX__
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               "HP-UX"
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#elif __IRIX__
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               "Irix"
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#elif __LINUX__
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               "Linux"
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#elif __MINT__
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               "Atari MiNT"
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#elif __MACOS__
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               "MacOS Classic"
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#elif __MACOSX__
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               "Mac OS X"
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#elif __NETBSD__
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               "NetBSD"
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#elif __OPENBSD__
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               "OpenBSD"
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#elif __OS2__
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               "OS/2"
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#elif __OSF__
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               "OSF/1"
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#elif __QNXNTO__
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               "QNX Neutrino"
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#elif __RISCOS__
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               "RISC OS"
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#elif __SOLARIS__
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               "Solaris"
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#elif __WIN32__
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#ifdef _WIN32_WCE
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               "Windows CE"
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#else
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               "Windows"
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   202
#endif
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#else
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               "an unknown operating system! (see SDL_platform.h)"
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#endif
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   206
            );
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   207
    }
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   208
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   209
    status += TestTypes(verbose);
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   210
    status += TestEndian(verbose);
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   211
    status += TestCPUInfo(verbose);
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   212
    return status;
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   213
}