mirror of https://github.com/ventoy/Ventoy
251 lines
6.5 KiB
C
251 lines
6.5 KiB
C
/******************************************************************************
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* biso_util.h
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*
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* Copyright (c) 2020, longpanda <admin@ventoy.net>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef __BISO_UTIL_H__
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#define __BISO_UTIL_H__
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#ifndef scnprintf
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#define scnprintf(buf, bufsize, fmt, arg...) \
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{\
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snprintf((buf), (bufsize) - 1, fmt, ##arg);\
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(buf)[(bufsize) - 1] = 0;\
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}
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#endif
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#define MEMORY_DEBUG 0
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#define MEMORY_DEBUG_DUMP 0
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#if (MEMORY_DEBUG == 1)
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#define BISO_MALLOC BISO_UTIL_Malloc
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#define BISO_ZALLOC BISO_UTIL_Zalloc
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#define BISO_FREE BISO_UTIL_Free
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#else
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#define BISO_MALLOC malloc
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#define BISO_ZALLOC zalloc
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#define BISO_FREE free
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#endif
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#define BISO_UCHAR_MAX 0xFF
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#define BISO_USHORT_MAX 0xFFFF
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#define BISO_UINT_MAX 0xFFFFFFFF
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/* 无条件字节序转换 */
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#define BISO_SWAP_UINT(data) \
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((((data) & 0x000000FF) << 24) | \
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(((data) & 0x0000FF00) << 8) | \
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(((data) & 0x00FF0000) >> 8) | \
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(((data) & 0xFF000000) >> 24))
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#define BISO_SWAP_USHORT(data) \
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((USHORT)(((data) & 0x00FF) << 8) | \
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(USHORT)(((data) & 0xFF00) >> 8))
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/* 更新计数(加或减) */
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#define BISO_STAT_UPDATE(bAdd, a, b) \
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{ \
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if (BOOL_TRUE == bAdd) \
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{ \
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(a) += (b); \
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} \
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else \
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{ \
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(a) -= (b); \
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} \
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}
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#if (__BYTE_ORDER == __LITTLE_ENDIAN)
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/* 从小字节序转为主机序 */
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#define BISO_LTOH_UINT(data) data
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#define BISO_LTOH_USHORT(data) data
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/* 从主机序转为小字节序 */
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#define BISO_HTOL_UINT(data) data
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#define BISO_HTOL_USHORT(data) data
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/* 从主机序转为大字节序 */
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#define BISO_HTOM_UINT(data) BISO_SWAP_UINT(data)
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#define BISO_HTOM_USHORT(data) BISO_SWAP_USHORT(data)
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#elif (__BYTE_ORDER == __BIG_ENDIAN)
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/* 从小字节序转为主机序 */
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#define BISO_LTOH_UINT(data) BISO_SWAP_UINT(data)
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#define BISO_LTOH_USHORT(data) BISO_SWAP_USHORT(data)
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/* 从主机序转为小字节序 */
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#define BISO_HTOL_UINT(data) BISO_SWAP_UINT(data)
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#define BISO_HTOL_USHORT(data) BISO_SWAP_USHORT(data)
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/* 从主机序转为大字节序 */
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#define BISO_HTOM_UINT(data) data
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#define BISO_HTOM_USHORT(data) data
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#else
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#error ("you must first define __BYTE_ORDER !!!")
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#endif
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#ifndef ARRAY_SIZE
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#define ARRAY_SIZE(a) ((UINT)(sizeof (a) / sizeof ((a)[0])))
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#endif
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#ifndef DBGASSERT
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#define DBGASSERT(expr)
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#endif
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/* 读写文件时的缓冲区大小 1M */
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#define BISO_FILE_BUF_LEN (1024 * 1024)
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/* MBUF中最大内存块个数 */
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#define BISO_MBUF_MAX_BLK 256
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/* MBUF 结构 */
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typedef struct tagBISO_MBUF
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{
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UCHAR *apucDataBuf[BISO_MBUF_MAX_BLK];
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UINT auiBufSize[BISO_MBUF_MAX_BLK];
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UINT uiCurBufNum;
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UINT uiTotDataSize;
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}BISO_MBUF_S;
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/* 检查读操作句柄有没有已经和ISO文件关联 */
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#define BISO_IS_READ_HANDLE_VALID(pstRead) \
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(NULL == (((BISO_PARSER_S *)pstRead)->pstPVD) ? BOOL_FALSE : BOOL_TRUE)
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#define BISO_CHECK_READ_HANDLE(pstRead) \
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{\
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if (NULL == ((BISO_PARSER_S *)(pstRead))->pstPVD) \
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{ \
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return BISO_ERR_HANDLE_UNINITIALIZED; \
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} \
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}
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/* 设置类型 */
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#define BISO_SET_FLAG(pstFileNode, pstDirTree) \
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{ \
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(pstFileNode)->ucFlag = BISO_NODE_REGFILE; \
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if (NULL != (pstDirTree)->pstDirStat) \
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{ \
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(pstFileNode)->ucFlag = BISO_NODE_DIRECTORY; \
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} \
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else if (BOOL_TRUE == BISO_DIR_TREE_IS_SYMLINK(pstDirTree)) \
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{ \
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(pstFileNode)->ucFlag = BISO_NODE_SYMLINK; \
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} \
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}
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#define BISO_QUEUE_PTR_NUM 1024
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/* 队列节点，为避免频繁分配内存，这里每次扩展1024个指针的长度空间 */
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typedef struct tagBISO_QUEUE_NODE
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{
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BISO_DLL_NODE_S stNode;
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PVOID apList[BISO_QUEUE_PTR_NUM];
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USHORT usFirst;
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USHORT usLast;
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}BISO_QUEUE_NODE_S;
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/* 队列/堆栈 简单实现 */
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typedef BISO_DLL_S BISO_QUEUE_S;
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INT BISO_UTIL_GetTimeZone(VOID);
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CHAR * BISO_UTIL_CopyStr
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(
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IN CONST CHAR *szSrc,
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IN UINT uiSrcSize,
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OUT CHAR *szDest
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);
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CHAR * BISO_UTIL_CopyUCS2Str
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(
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IN CONST CHAR *szSrc,
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IN UINT uiSrcSize,
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OUT CHAR *szDest
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);
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VOID BISO_UTIL_PathProc(INOUT CHAR *pcPath, INOUT UINT *puiLen);
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ULONG BISO_UTIL_PathSplit
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(
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IN CONST CHAR *pcFullPath,
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OUT UINT *puiDirNum,
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OUT UINT *puiDirPos
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);
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ULONG BISO_UTIL_ReadFile
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(
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IN CONST CHAR *pcFileName,
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IN UINT64 ui64Seek,
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IN UINT uiDataLen,
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OUT VOID *pDataBuf
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);
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ULONG BISO_MBUF_Append
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(
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IN BISO_MBUF_S *pstMBuf,
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IN UINT uiDataSize,
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IN VOID *pData
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);
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VOID BISO_MBUF_Free(IN BISO_MBUF_S *pstMBuf);
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VOID BISO_MBUF_CopyToBuf(IN CONST BISO_MBUF_S *pstMBuf, OUT VOID *pDataBuf);
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VOID BISO_MBUF_PULLUP(INOUT BISO_MBUF_S *pstMBuf);
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BISO_QUEUE_S * BISO_QUEUE_Create(VOID);
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VOID BISO_QUEUE_Destroy(IN BISO_QUEUE_S *pstQueue);
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VOID BISO_QUEUE_Push(IN BISO_QUEUE_S *pstQueue, IN VOID *pData);
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VOID * BISO_QUEUE_PopHead(IN BISO_QUEUE_S *pstQueue);
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VOID * BISO_QUEUE_PopTail(IN BISO_QUEUE_S *pstQueue);
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VOID * BISO_UTIL_Malloc(IN size_t ulSize);
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VOID * BISO_UTIL_Zalloc(IN size_t ulSize);
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VOID BISO_UTIL_Free(IN VOID *pData);
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VOID BISO_UTIL_DumpMemOp(VOID);
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ULONG BISO_UTIL_ExtractFile
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(
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IN BISO_FILE_S *pstFile,
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IN UINT64 ui64Seek,
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IN UINT64 ui64Len,
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IN CONST CHAR *pcNewFileName
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);
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BOOL_T BISO_PLAT_IsPathExist(IN CONST CHAR *pcPath);
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ULONG BISO_PLAT_MkDir(IN CONST CHAR *pcFullPath);
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UINT BISO_PLAT_GetMaxPath(VOID);
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BISO_FILE_S * BISO_PLAT_OpenExistFile(IN CONST CHAR *pcFileName);
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BISO_FILE_S * BISO_PLAT_CreateNewFile(IN CONST CHAR *pcFileName);
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VOID BISO_PLAT_CloseFile(IN BISO_FILE_S *pstFile);
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INT64 BISO_PLAT_SeekFile(BISO_FILE_S *pstFile, INT64 i64Offset, INT iFromWhere);
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UINT64 BISO_PLAT_ReadFile
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(
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IN BISO_FILE_S *pstFile,
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IN UINT uiBlkSize,
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IN UINT uiBlkNum,
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OUT VOID *pBuf
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);
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UINT64 BISO_PLAT_WriteFile
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(
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IN BISO_FILE_S *pstFile,
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IN UINT uiBlkSize,
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IN UINT uiBlkNum,
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IN VOID *pBuf
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);
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VOID *zalloc(size_t size);
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#endif /* __BISO_UTIL_H__ */
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