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/* $Id: kDbgLine.cpp 29 2009-07-01 20:30:29Z bird $ */
/** @file
* kDbg - The Debug Info Read, Line Numbers.
*/
/*
* Copyright (c) 2006-2007 Knut St. Osmundsen <bird-kStuff-spamix@anduin.net>
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include "kDbgInternal.h"
#include <k/kHlpAlloc.h>
/**
* Duplicates a line number.
*
* To save heap space, the returned line number will not own more heap space
* than it strictly need to. So, it's not possible to append stuff to the symbol
* or anything of that kind.
*
* @returns Pointer to the duplicate.
* This must be freed using kDbgSymbolFree().
* @param pLine The line number to be duplicated.
*/
KDBG_DECL(PKDBGLINE) kDbgLineDup(PCKDBGLINE pLine)
{
kDbgAssertPtrReturn(pLine, NULL);
KSIZE cb = K_OFFSETOF(KDBGLINE, szFile[pLine->cchFile + 1]);
PKDBGLINE pNewLine = (PKDBGLINE)kHlpDup(pLine, cb);
if (pNewLine)
pNewLine->cbSelf = cb;
return pNewLine;
}
/**
* Frees a line number obtained from the kDbg API.
*
* @returns 0 on success.
* @returns KERR_INVALID_POINTER if pLine isn't a valid pointer.
*
* @param pLine The line number to be freed. The null pointer is ignored.
*/
KDBG_DECL(int) kDbgLineFree(PKDBGLINE pLine)
{
if (pLine)
{
kDbgAssertPtrReturn(pLine, KERR_INVALID_POINTER);
pLine->cbSelf = 0;
kHlpFree(pLine);
}
return 0;
}
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