Blame src/string/ntapi_tt_aligned_block_memset.c
|
|
dd89bb |
/********************************************************/
|
|
|
dd89bb |
/* ntapi: Native API core library */
|
|
|
4256e2 |
/* Copyright (C) 2013--2016 Z. Gilboa */
|
|
|
dd89bb |
/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */
|
|
|
dd89bb |
/********************************************************/
|
|
|
dd89bb |
|
|
|
dd89bb |
#include <psxtypes/psxtypes.h>
|
|
|
dd89bb |
|
|
|
dd89bb |
void * __cdecl __ntapi_tt_aligned_block_memset(
|
|
|
dd89bb |
__in void * block,
|
|
|
dd89bb |
__in uintptr_t val,
|
|
|
dd89bb |
__in size_t bytes)
|
|
|
dd89bb |
{
|
|
|
dd89bb |
uintptr_t * ptr = (uintptr_t *)block;
|
|
|
dd89bb |
|
|
|
dd89bb |
for (bytes/=sizeof(uintptr_t); bytes; bytes--)
|
|
|
dd89bb |
*ptr++=val;
|
|
|
dd89bb |
|
|
|
dd89bb |
return block;
|
|
|
dd89bb |
}
|
|
|
dd89bb |
|
|
|
dd89bb |
void * __cdecl __ntapi_tt_generic_memset(
|
|
|
dd89bb |
__in void * dst,
|
|
|
dd89bb |
__in uintptr_t val,
|
|
|
dd89bb |
__in size_t bytes)
|
|
|
dd89bb |
{
|
|
|
dd89bb |
char c;
|
|
|
dd89bb |
char * ch;
|
|
|
eed8dc |
size_t i;
|
|
|
dd89bb |
size_t abytes;
|
|
|
dd89bb |
|
|
|
dd89bb |
if (!bytes)
|
|
|
dd89bb |
return dst;
|
|
|
dd89bb |
|
|
|
dd89bb |
else if (!(bytes % sizeof(size_t))
|
|
|
dd89bb |
&& (!(uintptr_t)dst % sizeof(size_t)))
|
|
|
dd89bb |
return __ntapi_tt_aligned_block_memset(
|
|
|
dd89bb |
dst,val,bytes);
|
|
|
dd89bb |
|
|
|
dd89bb |
c = (char)val;
|
|
|
dd89bb |
for (i=0; i
|
|
|
dd89bb |
val += c;
|
|
|
dd89bb |
|
|
|
dd89bb |
for (ch=(char *)dst; (size_t)ch % sizeof(size_t); ch++, bytes--)
|
|
|
dd89bb |
*ch = c;
|
|
|
dd89bb |
|
|
|
dd89bb |
abytes = bytes / sizeof(size_t) * sizeof(size_t);
|
|
|
dd89bb |
__ntapi_tt_aligned_block_memset(ch,val,abytes);
|
|
|
dd89bb |
|
|
|
dd89bb |
bytes -= abytes;
|
|
|
dd89bb |
ch += abytes;
|
|
|
dd89bb |
|
|
|
dd89bb |
for (; bytes; ch++, bytes--)
|
|
|
dd89bb |
*ch = c;
|
|
|
dd89bb |
|
|
|
dd89bb |
return dst;
|
|
|
dd89bb |
}
|