memset.c

Nucleus Common Library for Integrator using ARM Developer Suite

/*************************************************************************
*
*               Copyright Mentor Graphics Corporation 2002
*                         All Rights Reserved.
*
* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS
* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS
* SUBJECT TO LICENSE TERMS.
*
*************************************************************************/

/*************************************************************************
* FILE NAME                                     VERSION
*
*       memset.c                                Nucleus Common Library 1.1
*
* DESCRIPTION
*
*       This file contains the implementation of NCL_memset.
*
* DATA STRUCTURES
*
*       None.
*
* FUNCTIONS
*
*       NCL_memset
*
* DEPENDENCIES
*
*       ncl.h
*       string.h
*       nucleus.h
*
************************************************************************/

#define NU_NCL_SOURCE_FILE

#include "ncl\inc\ncl.h"
#include "ncl\inc\string.h"
#include "plus\nucleus.h"                                /* MMU Support */

/*************************************************************************
*
*   FUNCTION
*
*       NCL_memset
*
*   DESCRIPTION
*
*      Sets a range in memory to a specific value.
*
*   INPUTS
*
*       s                   Address of memory to set.
*       c                   Value to set memory to.
*       n                   Number of bytes to set.
*
*   OUTPUTS
*
*       void*               Pointer to memory with values set.
*
*************************************************************************/

void *NCL_memset (void *s, int c, register size_t n)
{
    register unsigned char  val = (unsigned char)  c;
    register unsigned char *ptr = (unsigned char*) s;
    register unsigned char *end = ptr + n;

    while (ptr < end)
        *ptr++ = val;

    return (s);
}