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/* ----------------------------------------------------------------- */
/* The Speech Signal Processing Toolkit (SPTK) */
/* developed by SPTK Working Group */
/* http://sp-tk.sourceforge.net/ */
/* ----------------------------------------------------------------- */
/* */
/* Copyright (c) 1984-2007 Tokyo Institute of Technology */
/* Interdisciplinary Graduate School of */
/* Science and Engineering */
/* */
/* 1996-2015 Nagoya Institute of Technology */
/* Department of Computer Science */
/* */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* - Redistributions of source code must retain the above copyright */
/* notice, this list of conditions and the following disclaimer. */
/* - 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. */
/* - Neither the name of the SPTK working group nor the names of its */
/* contributors may be used to endorse or promote products derived */
/* from this software without specific prior written permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND */
/* CONTRIBUTORS "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 THE COPYRIGHT OWNER 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. */
/* ----------------------------------------------------------------- */
/********************************************************************
$Id: fileio.c,v 1.21 2015/12/14 01:14:25 uratec Exp $
File I/O Functions
int freada (p, bl, fp)
int fwritex (ptr, size, nitems, fp)
int freadx (ptr, size, nitems, fp)
int fwritef (ptr, size, nitems, fp)
int freadf (ptr, size, nitems, fp)
**********************************************************************/
#include <stdio.h>
#include <stdlib.h>
#if defined(WIN32)
#include <fcntl.h>
#include <io.h>
#include "SPTK.h"
#else
#include <SPTK.h>
#endif
#define LINEBUFSIZE 256
/* freada: read ascii */
int freada(double *p, const int bl, FILE * fp)
{
int c;
char buf[LINEBUFSIZE];
#if defined(WIN32)
_setmode(_fileno(fp), _O_TEXT);
#endif
c = 0;
while (c < bl) {
if (fgets(buf, LINEBUFSIZE, fp) == NULL)
break;
p[c] = atof(buf);
c++;
}
return (c);
}
/* fritex: wrapper function for fwrite */
int fwritex(void *ptr, const size_t size, const int nitems, FILE * fp)
{
#if defined(WIN32)
_setmode(_fileno(fp), _O_BINARY);
#endif
return (fwrite(ptr, size, nitems, fp));
}
/* freadx: wrapper function for fread */
int freadx(void *ptr, const size_t size, const int nitems, FILE * fp)
{
#if defined(WIN32)
_setmode(_fileno(fp), _O_BINARY);
#endif
return (fread(ptr, size, nitems, fp));
}
/* --------------- double I/O compile --------------- */
#ifdef DOUBLE
/* fwritef : write double type data */
int fwritef(double *ptr, const size_t size, const int nitems, FILE * fp)
{
return (fwritex(ptr, size, nitems, fp));
}
/* freadf : read double type data */
int freadf(double *ptr, const size_t size, const int nitems, FILE * fp)
{
return (freadx(ptr, size, nitems, fp));
}
#else /* DOUBLE */
/* --------------- float I/O compile --------------- */
static float *f;
static int items;
/* fwritef : convert double type data to float type and write */
int fwritef(double *ptr, const size_t size, const int nitems, FILE * fp)
{
int i;
if (items < nitems) {
if (f != NULL)
free(f);
items = nitems;
f = fgetmem(items);
}
for (i = 0; i < nitems; i++)
f[i] = ptr[i];
#if defined(WIN32)
_setmode(_fileno(fp), _O_BINARY);
#endif
return fwrite(f, sizeof(float), nitems, fp);
}
/* freadf : read float type data and convert to double type */
int freadf(double *ptr, const size_t size, const int nitems, FILE * fp)
{
int i, n;
if (items < nitems) {
if (f != NULL)
free(f);
items = nitems;
f = fgetmem(items);
}
#if defined(WIN32)
_setmode(_fileno(fp), _O_BINARY);
#endif
n = fread(f, sizeof(float), nitems, fp);
for (i = 0; i < n; i++)
ptr[i] = f[i];
return n;
}
#endif /* DOUBLE */
void SPTK_byte_swap(void *p, size_t size, size_t num)
{
char *q, tmp;
size_t i, j;
q = (char *) p;
for (i = 0; i < num; i++) {
for (j = 0; j < (size / 2); j++) {
tmp = *(q + j);
*(q + j) = *(q + (size - 1 - j));
*(q + (size - 1 - j)) = tmp;
}
q += size;
}
}
int fwrite_little_endian(void *buf, const size_t size,
const size_t n, FILE * fp)
{
#ifdef WORDS_BIGENDIAN
SPTK_byte_swap(buf, size, n);
#endif
return fwrite(buf, size, n, fp);
}
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