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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef _MDB_
#include "mdb.h"
#endif
#ifndef _MORK_
#include "mork.h"
#endif
#ifndef _MORKCONFIG_
#include "morkConfig.h"
#endif
//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
void mork_assertion_signal(const char* inMessage)
{
#if defined(MORK_WIN) || defined(MORK_MAC)
// asm { int 3 }
NS_ERROR(inMessage);
#endif /*MORK_WIN*/
}
#ifdef MORK_PROVIDE_STDLIB
MORK_LIB_IMPL(mork_i4)
mork_memcmp(const void* inOne, const void* inTwo, mork_size inSize)
{
const mork_u1* t = (const mork_u1*) inTwo;
const mork_u1* s = (const mork_u1*) inOne;
const mork_u1* end = s + inSize;
mork_i4 delta;
while ( s < end )
{
delta = ((mork_i4) *s) - ((mork_i4) *t);
if ( delta )
return delta;
else
{
++t;
++s;
}
}
return 0;
}
MORK_LIB_IMPL(void)
mork_memcpy(void* outDst, const void* inSrc, mork_size inSize)
{
mork_u1* d = (mork_u1*) outDst;
mork_u1* end = d + inSize;
const mork_u1* s = ((const mork_u1*) inSrc);
while ( inSize >= 8 )
{
*d++ = *s++;
*d++ = *s++;
*d++ = *s++;
*d++ = *s++;
*d++ = *s++;
*d++ = *s++;
*d++ = *s++;
*d++ = *s++;
inSize -= 8;
}
while ( d < end )
*d++ = *s++;
}
MORK_LIB_IMPL(void)
mork_memmove(void* outDst, const void* inSrc, mork_size inSize)
{
mork_u1* d = (mork_u1*) outDst;
const mork_u1* s = (const mork_u1*) inSrc;
if ( d != s && inSize ) // copy is necessary?
{
const mork_u1* srcEnd = s + inSize; // one past last source byte
if ( d > s && d < srcEnd ) // overlap? need to copy backwards?
{
s = srcEnd; // start one past last source byte
d += inSize; // start one past last dest byte
mork_u1* dstBegin = d; // last byte to write is first in dest range
while ( d - dstBegin >= 8 )
{
*--d = *--s;
*--d = *--s;
*--d = *--s;
*--d = *--s;
*--d = *--s;
*--d = *--s;
*--d = *--s;
*--d = *--s;
}
while ( d > dstBegin )
*--d = *--s;
}
else // can copy forwards without any overlap
{
mork_u1* dstEnd = d + inSize;
while ( dstEnd - d >= 8 )
{
*d++ = *s++;
*d++ = *s++;
*d++ = *s++;
*d++ = *s++;
*d++ = *s++;
*d++ = *s++;
*d++ = *s++;
*d++ = *s++;
}
while ( d < dstEnd )
*d++ = *s++;
}
}
}
MORK_LIB_IMPL(void)
mork_memset(void* outDst, int inByte, mork_size inSize)
{
mork_u1* d = (mork_u1*) outDst;
mork_u1* end = d + inSize;
while ( d < end )
*d++ = (mork_u1) inByte;
}
MORK_LIB_IMPL(void)
mork_strcpy(void* outDst, const void* inSrc)
{
// back up one first to support preincrement
mork_u1* d = ((mork_u1*) outDst) - 1;
const mork_u1* s = ((const mork_u1*) inSrc) - 1;
while ( ( *++d = *++s ) != 0 )
/* empty */;
}
MORK_LIB_IMPL(mork_i4)
mork_strcmp(const void* inOne, const void* inTwo)
{
const mork_u1* t = (const mork_u1*) inTwo;
const mork_u1* s = ((const mork_u1*) inOne);
mork_i4 a;
mork_i4 b;
mork_i4 delta;
do
{
a = (mork_i4) *s++;
b = (mork_i4) *t++;
delta = a - b;
}
while ( !delta && a && b );
return delta;
}
MORK_LIB_IMPL(mork_i4)
mork_strncmp(const void* inOne, const void* inTwo, mork_size inSize)
{
const mork_u1* t = (const mork_u1*) inTwo;
const mork_u1* s = (const mork_u1*) inOne;
const mork_u1* end = s + inSize;
mork_i4 delta;
mork_i4 a;
mork_i4 b;
while ( s < end )
{
a = (mork_i4) *s++;
b = (mork_i4) *t++;
delta = a - b;
if ( delta || !a || !b )
return delta;
}
return 0;
}
MORK_LIB_IMPL(mork_size)
mork_strlen(const void* inString)
{
// back up one first to support preincrement
const mork_u1* s = ((const mork_u1*) inString) - 1;
while ( *++s ) // preincrement is cheapest
/* empty */;
return s - ((const mork_u1*) inString); // distance from original address
}
#endif /*MORK_PROVIDE_STDLIB*/
//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
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