libsent/src/util/endian.c

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/*
 * Copyright (c) 1991-2006 Kawahara Lab., Kyoto University
 * Copyright (c) 2000-2005 Shikano Lab., Nara Institute of Science and Technology
 * Copyright (c) 2005-2006 Julius project team, Nagoya Institute of Technology
 * All rights reserved
 */

#include <sent/stddefs.h>

void
swap_bytes(char *buf, size_t unitbyte, int unitnum)
{
  char *p, c;
  int i, j;

  p = buf;
  while (unitnum > 0) {
    i=0; j=unitbyte-1;
    while(i<j) {
      c = p[i]; p[i] = p[j]; p[j] = c;
      i++;j--;
    }
    p += unitbyte;
    unitnum--;
  }
}

void
swap_sample_bytes(SP16 *buf, int len)
{
  char *p;
  char t;
  int i;
  
  p = (char *)buf;

  for (i=0;i<len;i++) {
    t = *p;
    *p = *(p + 1);
    *(p + 1) = t;
    p += 2;
  }
}

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