180 lines
4.1 KiB
C++
180 lines
4.1 KiB
C++
/*
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* Legal Notice
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*
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* This document and associated source code (the "Work") is a part of a
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* benchmark specification maintained by the TPC.
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*
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* The TPC reserves all right, title, and interest to the Work as provided
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* under U.S. and international laws, including without limitation all patent
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* and trademark rights therein.
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*
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* No Warranty
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*
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* 1.1 TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE INFORMATION
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* CONTAINED HEREIN IS PROVIDED "AS IS" AND WITH ALL FAULTS, AND THE
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* AUTHORS AND DEVELOPERS OF THE WORK HEREBY DISCLAIM ALL OTHER
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* WARRANTIES AND CONDITIONS, EITHER EXPRESS, IMPLIED OR STATUTORY,
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* INCLUDING, BUT NOT LIMITED TO, ANY (IF ANY) IMPLIED WARRANTIES,
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* DUTIES OR CONDITIONS OF MERCHANTABILITY, OF FITNESS FOR A PARTICULAR
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* PURPOSE, OF ACCURACY OR COMPLETENESS OF RESPONSES, OF RESULTS, OF
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* WORKMANLIKE EFFORT, OF LACK OF VIRUSES, AND OF LACK OF NEGLIGENCE.
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* ALSO, THERE IS NO WARRANTY OR CONDITION OF TITLE, QUIET ENJOYMENT,
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* QUIET POSSESSION, CORRESPONDENCE TO DESCRIPTION OR NON-INFRINGEMENT
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* WITH REGARD TO THE WORK.
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* 1.2 IN NO EVENT WILL ANY AUTHOR OR DEVELOPER OF THE WORK BE LIABLE TO
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* ANY OTHER PARTY FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO THE
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* COST OF PROCURING SUBSTITUTE GOODS OR SERVICES, LOST PROFITS, LOSS
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* OF USE, LOSS OF DATA, OR ANY INCIDENTAL, CONSEQUENTIAL, DIRECT,
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* INDIRECT, OR SPECIAL DAMAGES WHETHER UNDER CONTRACT, TORT, WARRANTY,
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* OR OTHERWISE, ARISING IN ANY WAY OUT OF THIS OR ANY OTHER AGREEMENT
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* RELATING TO THE WORK, WHETHER OR NOT SUCH AUTHOR OR DEVELOPER HAD
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* ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.
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*
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* Contributors:
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* Gradient Systems
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*/
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#include "config.h"
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#include "porting.h"
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#include <stdio.h>
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#include <assert.h>
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#ifndef USE_STDLIB_H
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#include <malloc.h>
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#endif
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#include "StringBuffer.h"
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/*
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* Routine: InitBuffer
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* Purpose:
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* Algorithm:
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* Data Structures:
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*
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* Params:
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* Returns:
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* Called By:
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* Calls:
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* Assumptions:
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* Side Effects:
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* TODO: None
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*/
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StringBuffer_t *InitBuffer(int nSize, int nIncrement) {
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StringBuffer_t *pBuf;
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pBuf = (StringBuffer_t *)malloc(sizeof(struct STRING_BUFFER_T));
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MALLOC_CHECK(pBuf);
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if (pBuf == NULL)
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return (NULL);
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memset((void *)pBuf, 0, sizeof(struct STRING_BUFFER_T));
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pBuf->pText = (char *)malloc(sizeof(char) * nSize);
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MALLOC_CHECK(pBuf->pText);
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if (pBuf->pText == NULL)
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return (NULL);
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memset((void *)pBuf->pText, 0, sizeof(char) * nSize);
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pBuf->nIncrement = nIncrement;
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pBuf->nBytesAllocated = nSize;
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pBuf->nFlags = SB_INIT;
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return (pBuf);
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}
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/*
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* Routine: AddBuffer
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* Purpose:
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* Algorithm:
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* Data Structures:
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*
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* Params:
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* Returns:
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* Called By:
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* Calls:
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* Assumptions:
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* Side Effects:
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* TODO: None
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*/
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int AddBuffer(StringBuffer_t *pBuf, char *pStr) {
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int nRemaining = pBuf->nBytesAllocated - pBuf->nBytesUsed, nRequested = strlen(pStr);
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if (!nRequested)
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return (0);
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while (nRequested >= nRemaining) {
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pBuf->pText = (char *)realloc((void *)pBuf->pText, pBuf->nBytesAllocated + pBuf->nIncrement);
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if (!pBuf->pText)
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return (-1);
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pBuf->nBytesAllocated += pBuf->nIncrement;
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nRemaining += pBuf->nIncrement;
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}
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strcat(pBuf->pText, pStr);
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if (pBuf->nBytesUsed == 0) /* first string adds a terminator */
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pBuf->nBytesUsed = 1;
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pBuf->nBytesUsed += nRequested;
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return (0);
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}
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/*
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* Routine: ResetStringBuffer
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* Purpose:
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* Algorithm:
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* Data Structures:
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*
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* Params:
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* Returns:
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* Called By:
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* Calls:
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* Assumptions:
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* Side Effects:
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* TODO: None
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*/
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int ResetBuffer(StringBuffer_t *pBuf) {
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pBuf->nBytesUsed = 0;
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if (pBuf->nBytesAllocated)
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pBuf->pText[0] = '\0';
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return (0);
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}
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/*
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* Routine: GetBuffer
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* Purpose:
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* Algorithm:
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* Data Structures:
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*
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* Params:
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* Returns:
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* Called By:
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* Calls:
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* Assumptions:
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* Side Effects:
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* TODO: None
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*/
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char *GetBuffer(StringBuffer_t *pBuf) {
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return (pBuf->pText);
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}
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/*
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* Routine: FreeBuffer
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* Purpose:
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* Algorithm:
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* Data Structures:
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*
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* Params:
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* Returns:
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* Called By:
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* Calls:
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* Assumptions:
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* Side Effects:
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* TODO: None
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*/
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void FreeBuffer(StringBuffer_t *pBuf) {
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if (!pBuf)
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return;
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if (pBuf->pText)
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free((void *)pBuf->pText);
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free((void *)pBuf);
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return;
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}
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