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/* io.c -- io functions
This file is part of the UCL data compression library.
Copyright (C) 1996-2002 Markus Franz Xaver Johannes Oberhumer
All Rights Reserved.
The UCL library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
The UCL library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with the UCL library; see the file COPYING.
If not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Markus F.X.J. Oberhumer
<markus@oberhumer.com>
http://www.oberhumer.com/opensource/ucl/
*/
#include "ucl_conf.h"
#if !defined(NO_STDIO_H)
#include <stdio.h>
#include <ucl/uclutil.h>
#undef ucl_fread
#undef ucl_fwrite
/***********************************************************************
//
************************************************************************/
UCL_PUBLIC(ucl_uint)
ucl_fread(FILE *f, ucl_voidp s, ucl_uint len)
{
#if 1 && (UCL_UINT_MAX <= SIZE_T_MAX)
return fread(s,1,len,f);
#else
ucl_byte *p = (ucl_byte *) s;
ucl_uint l = 0;
size_t k;
unsigned char *b;
unsigned char buf[512];
while (l < len)
{
k = len - l > sizeof(buf) ? sizeof(buf) : (size_t) (len - l);
k = fread(buf,1,k,f);
if (k <= 0)
break;
l += k;
b = buf; do *p++ = *b++; while (--k > 0);
}
return l;
#endif
}
/***********************************************************************
//
************************************************************************/
UCL_PUBLIC(ucl_uint)
ucl_fwrite(FILE *f, const ucl_voidp s, ucl_uint len)
{
#if 1 && (UCL_UINT_MAX <= SIZE_T_MAX)
return fwrite(s,1,len,f);
#else
const ucl_byte *p = (const ucl_byte *) s;
ucl_uint l = 0;
size_t k, n;
unsigned char *b;
unsigned char buf[512];
while (l < len)
{
k = len - l > sizeof(buf) ? sizeof(buf) : (size_t) (len - l);
b = buf; n = k; do *b++ = *p++; while (--n > 0);
k = fwrite(buf,1,k,f);
if (k <= 0)
break;
l += k;
}
return l;
#endif
}
#endif /* !defined(NO_STDIO_H) */
/*
vi:ts=4:et
*/
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