83 lines
3.8 KiB
C
83 lines
3.8 KiB
C
/*****************************************************************************\
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* efs - General purpose Embedded Filesystem library *
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* --------------------- ----------------------------------- *
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* *
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* Filename : plibc.c *
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* Description : This file contains replacements of common c library functions *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; version 2 *
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* of the License. *
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*
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* As a special exception, if other files instantiate templates or *
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* use macros or inline functions from this file, or you compile this *
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* file and link it with other works to produce a work based on this file, *
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* this file does not by itself cause the resulting work to be covered *
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* by the GNU General Public License. However the source code for this *
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* file must still be made available in accordance with section (3) of *
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* the GNU General Public License. *
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* *
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* This exception does not invalidate any other reasons why a work based *
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* on this file might be covered by the GNU General Public License. *
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* *
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* (c)2006 Lennart Yseboodt *
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* (c)2006 Michael De Nil *
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\*****************************************************************************/
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/*****************************************************************************/
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#include "plibc.h"
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/*****************************************************************************/
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/* ****************************************************************************
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* unsigned short strMatch(char* bufa, char*bufb, unsigned long n)
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* Description: Compares bufa and bufb for a length of n bytes.
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* Return value: Returns the number of character NOT matching.
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*/
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euint16 strMatch(eint8* bufa, eint8*bufb,euint32 n)
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{
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euint32 c;
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euint16 res=0;
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for(c=0;c<n;c++)if(bufa[c]!=bufb[c])res++;
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return(res);
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}
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/*****************************************************************************/
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/* ****************************************************************************
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* void memCpy(void* psrc, void* pdest, unsigned long size)
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* Description: Copies the contents of psrc into pdest on a byte per byte basis.
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* The total number of bytes copies is size.
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*/
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void memCpy(void* psrc, void* pdest, euint32 size)
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{
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while(size>0){
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*((eint8*)pdest+size-1)=*((eint8*)psrc+size-1);
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size--;
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}
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}
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/*****************************************************************************/
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void memClr(void *pdest,euint32 size)
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{
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while(size>0){
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*(((eint8*)pdest)+size-1)=0x00;
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size--;
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}
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}
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void memSet(void *pdest,euint32 size,euint8 data)
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{
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while(size>0){
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*(((eint8*)pdest)+size-1)=data;
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size--;
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}
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}
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