src/utils/cst_endian.c

/*************************************************************************/
/*                                                                       */
/*                  Language Technologies Institute                      */
/*                     Carnegie Mellon University                        */
/*                        Copyright (c) 2000                             */
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/*                                                                       */
/*************************************************************************/
/*             Author:  Alan W Black (awb@cs.cmu.edu)                    */
/*               Date:  August 2000                                      */
/*************************************************************************/
/*                                                                       */
/*  Some code for byte order support                                     */
/*                                                                       */
/*************************************************************************/
#include <stdlib.h>
#include "cst_alloc.h"
#include "cst_endian.h"

const int cst_endian_loc = 1;

void swap_bytes_short(short *b, int n)
{
    int i;

    for (i=0; i<n; i++)
	b[i] = SWAPSHORT(b[i]);
}

void swapdouble(double *dbl)
{
    /* cast to int, as access as flt may cause FPE on some machines */
    int t;
    int *dd = (int *)dbl;
    t = SWAPINT(dd[0]);
    dd[0] = SWAPINT(dd[1]);
    dd[1] = t;
}

void swapfloat(float *flt)
{
    /* cast to int, as access as flt may cause FPE on some machines */
    int *ff = (int *)flt;
    ff[0] = SWAPINT(ff[0]);
}