109 lines
2.4 KiB
C
109 lines
2.4 KiB
C
/*
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* $QNXtpLicenseC:
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* Copyright 2007, QNX Software Systems. All Rights Reserved.
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*
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* You must obtain a written license from and pay applicable license fees to QNX
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* Software Systems before you may reproduce, modify or distribute this software,
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* or any work that includes all or part of this software. Free development
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* licenses are available for evaluation and non-commercial purposes. For more
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* information visit http://licensing.qnx.com or email licensing@qnx.com.
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*
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* This file may contain contributions from others. Please review this entire
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* file for other proprietary rights or license notices, as well as the QNX
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* Development Suite License Guide at http://licensing.qnx.com/license-guide/
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* for other information.
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* $
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*/
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/* io.c -- io functions
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This file is part of the LZO real-time data compression library.
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Copyright (C) 1996-1999 Markus Franz Xaver Johannes Oberhumer
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Markus F.X.J. Oberhumer
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markus.oberhumer@jk.uni-linz.ac.at
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*/
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#include "lzo_conf.h"
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#if !defined(NO_STDIO_H)
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#include <stdio.h>
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#include <lzoutil.h>
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#undef lzo_fread
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#undef lzo_fwrite
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/***********************************************************************
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//
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************************************************************************/
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LZO_PUBLIC(lzo_uint)
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lzo_fread(FILE *f, lzo_voidp s, lzo_uint len)
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{
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#if 1 && (LZO_UINT_MAX <= SIZE_T_MAX)
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return fread(s,1,len,f);
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#else
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lzo_byte *p = (lzo_byte *) s;
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lzo_uint l = 0;
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size_t k;
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unsigned char *b;
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unsigned char buf[512];
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while (l < len)
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{
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k = len - l > sizeof(buf) ? sizeof(buf) : (size_t) (len - l);
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k = fread(buf,1,k,f);
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if (k <= 0)
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break;
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l += k;
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b = buf; do *p++ = *b++; while (--k > 0);
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}
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return l;
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#endif
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}
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/***********************************************************************
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//
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************************************************************************/
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LZO_PUBLIC(lzo_uint)
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lzo_fwrite(FILE *f, const lzo_voidp s, lzo_uint len)
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{
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#if 1 && (LZO_UINT_MAX <= SIZE_T_MAX)
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return fwrite(s,1,len,f);
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#else
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const lzo_byte *p = (const lzo_byte *) s;
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lzo_uint l = 0;
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size_t k, n;
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unsigned char *b;
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unsigned char buf[512];
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while (l < len)
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{
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k = len - l > sizeof(buf) ? sizeof(buf) : (size_t) (len - l);
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b = buf; n = k; do *b++ = *p++; while (--n > 0);
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k = fwrite(buf,1,k,f);
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if (k <= 0)
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break;
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l += k;
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}
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return l;
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#endif
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}
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#endif /* !defined(NO_STDIO_H) */
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/*
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vi:ts=4
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*/
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