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/***
*memset.c - set a section of memory to all one byte
*
* Copyright (c) 1988-1991, Microsoft Corporation. All rights reserved.
*
*Purpose:
* contains the memset() routine
*
*Revision History:
* 05-31-89 JCR C version created.
* 02-27-90 GJF Fixed calling type, #include <cruntime.h>, fixed
* copyright.
* 08-14-90 SBM Compiles cleanly with -W3
* 10-01-90 GJF New-style function declarator. Also, rewrote expr. to
* avoid using cast as an lvalue.
* 04-01-91 SRW Add #pragma function for i386 _WIN32_ and _CRUISER_
* builds
* 07-16-93 SRW ALPHA Merge
*
*******************************************************************************/
#include <cruntime.h>
#include <string.h>
#ifdef _MSC_VER
#pragma function(memset)
#endif
/***
*char *memset(dst, val, count) - sets "count" bytes at "dst" to "val"
*
*Purpose:
* Sets the first "count" bytes of the memory starting
* at "dst" to the character value "val".
*
*Entry:
* void *dst - pointer to memory to fill with val
* int val - value to put in dst bytes
* size_t count - number of bytes of dst to fill
*
*Exit:
* returns dst, with filled bytes
*
*Exceptions:
*
*******************************************************************************/
void * _CALLTYPE1 memset (
void *dst,
int val,
size_t count
)
{
void *start = dst;
#if defined(_M_MRX000) || defined(_M_ALPHA) || defined(_M_PPC)
{
extern void RtlFillMemory( void *, size_t count, char );
RtlFillMemory( dst, count, (char)val );
}
#else
while (count--) {
*(char *)dst = (char)val;
dst = (char *)dst + 1;
}
#endif
return(start);
}
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