diff options
Diffstat (limited to 'db/mork/src/morkConfig.cpp')
-rw-r--r-- | db/mork/src/morkConfig.cpp | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/db/mork/src/morkConfig.cpp b/db/mork/src/morkConfig.cpp new file mode 100644 index 000000000..b58cd03c8 --- /dev/null +++ b/db/mork/src/morkConfig.cpp @@ -0,0 +1,201 @@ +/* -*- 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 |