PerformanceTests/JetStream2/wasm/TSF/tsf_sort.c

/*
 * Copyright (C) 2003 Filip Pizlo. All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY FILIP PIZLO ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL FILIP PIZLO OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#include "tsf_internal.h"

#ifdef HAVE_QSORT

void tsf_sort(void *base,size_t nmemb,size_t size,
              int (*compar)(const void *a,const void *b)) {
    qsort(base,nmemb,size,compar);
}

#else

#error "I haven't written my own sorting algorithm yet.  Bummer."

#endif

static int ui32_compare(const void *pa,
                        const void *pb) {
    uint32_t a = *((uint32_t*)pa),
             b = *((uint32_t*)pb);
    
    if (a<b) {
        return -1;
    } else if (a==b) {
        return 0;
    } else {
        return 1;
    }
}

void tsf_ui32_sort(uint32_t *base,
                   size_t nmemb) {
    tsf_sort(base,nmemb,sizeof(uint32_t),ui32_compare);
}