diff options
Diffstat (limited to 'libvideoeditor/osal/src/M4OSA_FileCommon.c')
| -rwxr-xr-x | libvideoeditor/osal/src/M4OSA_FileCommon.c | 667 |
1 files changed, 0 insertions, 667 deletions
diff --git a/libvideoeditor/osal/src/M4OSA_FileCommon.c b/libvideoeditor/osal/src/M4OSA_FileCommon.c deleted file mode 100755 index c12db5d..0000000 --- a/libvideoeditor/osal/src/M4OSA_FileCommon.c +++ /dev/null @@ -1,667 +0,0 @@ -/* - * Copyright (C) 2011 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -/** - ************************************************************************ - * @file M4OSA_FileCommon.c - * @brief File common for Android - * @note This file implements functions used by both the file writer - * and file reader. - ************************************************************************ -*/ - -#ifndef USE_STAGEFRIGHT_CODECS -#error "USE_STAGEFRIGHT_CODECS is not defined" -#endif /*USE_STAGEFRIGHT_CODECS*/ - -#ifdef UTF_CONVERSION -#include <string.h> -#endif /*UTF_CONVERSION*/ - -#include <sys/stat.h> -#include <errno.h> - -#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE -#include "M4OSA_Semaphore.h" -#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ - - -#include "M4OSA_Debug.h" -#include "M4OSA_FileCommon.h" -#include "M4OSA_FileCommon_priv.h" -#include "M4OSA_Memory.h" -#include "M4OSA_CharStar.h" - -/** - ************************************************************************ - * @brief This function opens the provided URL and returns its context. - * If an error occured, the context is set to NULL. - * @param core_id: (IN) Core ID of the caller (M4OSA_FILE_READER or M4OSA_FILE_WRITER) - * @param context: (OUT) Context of the core file reader - * @param url: (IN) URL of the input file - * @param fileModeAccess: (IN) File mode access - * @return M4NO_ERROR: there is no error - * @return M4ERR_PARAMETER: at least one parameter is NULL - * @return M4ERR_ALLOC: there is no more memory available - * @return M4ERR_NOT_IMPLEMENTED: the URL does not match with the supported - * file - * @return M4ERR_FILE_NOT_FOUND: the file cannot be found - * @return M4ERR_FILE_LOCKED: the file is locked by an other - * application/process - * @return M4ERR_FILE_BAD_MODE_ACCESS: the file mode access is not correct - ************************************************************************ -*/ -M4OSA_ERR M4OSA_fileCommonOpen(M4OSA_UInt16 core_id, M4OSA_Context* pContext, - M4OSA_Char* pUrl, M4OSA_FileModeAccess fileModeAccess) -{ - - M4OSA_Int32 i = 0; - M4OSA_Int32 iMode = 0; - M4OSA_Int32 iSize = 0; - M4OSA_Int32 iSavePos = 0; - - M4OSA_Char mode[4] = ""; - M4OSA_Char* pReadString = (M4OSA_Char*)"r"; - M4OSA_Char* pWriteString = (M4OSA_Char*)"w"; - M4OSA_Char* pAppendString = (M4OSA_Char*)"a"; - M4OSA_Char* pBinaryString = (M4OSA_Char*)"b"; - M4OSA_Char* pPlusString = (M4OSA_Char*)"+"; - - M4OSA_ERR err = M4NO_ERROR; - - FILE* pFileHandler = M4OSA_NULL; - M4OSA_FileContext *pFileContext = M4OSA_NULL; - - -#ifdef UTF_CONVERSION - /*FB: to test the UTF16->UTF8 conversion into Video Artist*/ - /*Convert the URL from UTF16 to UTF8*/ - M4OSA_Void* tempConversionBuf; - M4OSA_UInt32 tempConversionSize = 1000; - - tempConversionBuf = (M4OSA_Char*)M4OSA_32bitAlignedMalloc(tempConversionSize +1, 0, "conversion buf"); - if(tempConversionBuf == M4OSA_NULL) - { - M4OSA_TRACE1_0("Error when allocating conversion buffer\n"); - return M4ERR_PARAMETER; - } - M4OSA_ToUTF8_OSAL(pUrl, tempConversionBuf, &tempConversionSize); - ((M4OSA_Char*)tempConversionBuf)[tempConversionSize ] = '\0'; - - printf("file open %s\n", tempConversionBuf); -#endif /*UTF CONVERSION*/ - - M4OSA_TRACE3_4("M4OSA_fileCommonOpen\t\tM4OSA_UInt16 %d\tM4OSA_Context* 0x%x\t" - "M4OSA_Char* %s\tfileModeAccess %d", core_id, pContext, pUrl, fileModeAccess); - - M4OSA_DEBUG_IF2(M4OSA_NULL == pContext, M4ERR_PARAMETER, "M4OSA_fileCommonOpen: pContext is M4OSA_NULL"); - M4OSA_DEBUG_IF2(M4OSA_NULL == pUrl, M4ERR_PARAMETER, "M4OSA_fileCommonOpen: pUrl is M4OSA_NULL"); - M4OSA_DEBUG_IF2(0 == fileModeAccess, M4ERR_PARAMETER, "M4OSA_fileCommonOpen: fileModeAccess is 0"); - - /* Read mode not set for the reader */ - M4OSA_DEBUG_IF1((M4OSA_FILE_READER == core_id) && !(fileModeAccess & M4OSA_kFileRead), - M4ERR_FILE_BAD_MODE_ACCESS, "M4OSA_fileCommonOpen: M4OSA_kFileRead"); - - /* Read mode not set for the reader */ - M4OSA_DEBUG_IF1((M4OSA_FILE_READER == core_id) && !(fileModeAccess & M4OSA_kFileRead), - M4ERR_FILE_BAD_MODE_ACCESS, "M4OSA_fileCommonOpen: M4OSA_kFileRead"); - - /* M4OSAfileReadOpen cannot be used with Write file mode access */ - M4OSA_DEBUG_IF1((M4OSA_FILE_READER == core_id) && (fileModeAccess & M4OSA_kFileWrite), - M4ERR_FILE_BAD_MODE_ACCESS, "M4OSA_fileCommonOpen: M4OSA_kFileWrite"); - - /* Append and Create flags cannot be used with Read */ - M4OSA_DEBUG_IF1((M4OSA_FILE_READER == core_id) && (fileModeAccess & M4OSA_kFileAppend), - M4ERR_FILE_BAD_MODE_ACCESS, "M4OSA_fileCommonOpen: M4OSA_kFileAppend"); - - M4OSA_DEBUG_IF1((M4OSA_FILE_READER == core_id) && (fileModeAccess & M4OSA_kFileCreate), - M4ERR_FILE_BAD_MODE_ACCESS, "M4OSA_fileCommonOpen: M4OSA_kFileCreate"); - - /* Write mode not set for the writer */ - M4OSA_DEBUG_IF1((M4OSA_FILE_WRITER == core_id) && !(fileModeAccess & M4OSA_kFileWrite), - M4ERR_FILE_BAD_MODE_ACCESS, "M4OSA_fileCommonOpen: M4OSA_kFileWrite"); - - /* Create flag necessary for opening file */ - if ((fileModeAccess & M4OSA_kFileRead) && - (fileModeAccess & M4OSA_kFileWrite)&&(fileModeAccess & M4OSA_kFileCreate)) - { - strncat((char *)mode, (const char *)pWriteString, (size_t)1); - strncat((char *)mode, (const char *)pPlusString, (size_t)1); - } - else - { - if(fileModeAccess & M4OSA_kFileAppend) - { - strncat((char *)mode, (const char *)pAppendString, (size_t)1); - } - else if(fileModeAccess & M4OSA_kFileRead) - { - strncat((char *)mode, (const char *)pReadString, (size_t)1); - } - else if(fileModeAccess & M4OSA_kFileWrite) - { - strncat((char *)mode, (const char *)pWriteString, (size_t)1); - } - - if((fileModeAccess & M4OSA_kFileRead)&&(fileModeAccess & M4OSA_kFileWrite)) - { - strncat((char *)mode,(const char *)pPlusString, (size_t)1); - } - } - - if(!(fileModeAccess & M4OSA_kFileIsTextMode)) - { - strncat((char *)mode, (const char *)pBinaryString,(size_t)1); - } - - /*Open the file*/ - -#ifdef UTF_CONVERSION - /*Open the converted path*/ - pFileHandler = fopen((const char *)tempConversionBuf, (const char *)mode); - /*Free the temporary decoded buffer*/ - free(tempConversionBuf); -#else /* UTF_CONVERSION */ - pFileHandler = fopen((const char *)pUrl, (const char *)mode); -#endif /* UTF_CONVERSION */ - - if (M4OSA_NULL == pFileHandler) - { - switch(errno) - { - case ENOENT: - { - M4OSA_DEBUG(M4ERR_FILE_NOT_FOUND, "M4OSA_fileCommonOpen: No such file or directory"); - M4OSA_TRACE1_1("File not found: %s", pUrl); - return M4ERR_FILE_NOT_FOUND; - } - case EACCES: - { - M4OSA_DEBUG(M4ERR_FILE_LOCKED, "M4OSA_fileCommonOpen: Permission denied"); - return M4ERR_FILE_LOCKED; - } - case EINVAL: - { - M4OSA_DEBUG(M4ERR_FILE_BAD_MODE_ACCESS, "M4OSA_fileCommonOpen: Invalid Argument"); - return M4ERR_FILE_BAD_MODE_ACCESS; - } - case EMFILE: - case ENOSPC: - case ENOMEM: - { - M4OSA_DEBUG(M4ERR_ALLOC, "M4OSA_fileCommonOpen: Too many open files"); - return M4ERR_ALLOC; - } - default: - { - M4OSA_DEBUG(M4ERR_NOT_IMPLEMENTED, "M4OSA_fileCommonOpen"); - return M4ERR_NOT_IMPLEMENTED; - } - } - } - - /* Allocate the file context */ - pFileContext = (M4OSA_FileContext*) M4OSA_32bitAlignedMalloc(sizeof(M4OSA_FileContext), - core_id, (M4OSA_Char*)"M4OSA_fileCommonOpen: file context"); - if (M4OSA_NULL == pFileContext) - { - fclose(pFileHandler); - M4OSA_DEBUG(M4ERR_ALLOC, "M4OSA_fileCommonOpen"); - return M4ERR_ALLOC; - } - - pFileContext->file_desc = pFileHandler; - pFileContext->access_mode = fileModeAccess; - pFileContext->current_seek = SeekNone; - pFileContext->b_is_end_of_file = M4OSA_FALSE; - - /** - * Note: Never use this expression "i = (value1 == value2) ? x: y;" - * because that doens't compile on other platforms (ADS for example) - * Use: if(value1 == value2) - * { i= x; ..etc - */ - pFileContext->coreID_write = 0; - pFileContext->coreID_read = 0; - pFileContext->m_DescrModeAccess = M4OSA_kDescNoneAccess; - - if (M4OSA_FILE_READER == core_id) - { - pFileContext->coreID_read = core_id; - pFileContext->m_DescrModeAccess = M4OSA_kDescReadAccess; - } - else if (M4OSA_FILE_WRITER == core_id) - { - pFileContext->coreID_write = core_id; - pFileContext->m_DescrModeAccess = M4OSA_kDescWriteAccess; - } - - pFileContext->read_position = 0; - pFileContext->write_position = 0; - - /* Allocate the memory to store the URL string */ - pFileContext->url_name = (M4OSA_Char*) M4OSA_32bitAlignedMalloc(strlen((const char *)pUrl)+1, - core_id, (M4OSA_Char*)"M4OSA_fileCommonOpen: URL name"); - if (M4OSA_NULL == pFileContext->url_name) - { - fclose(pFileHandler); - free(pFileContext); - M4OSA_DEBUG(M4ERR_ALLOC, "M4OSA_fileCommonOpen"); - return M4ERR_ALLOC; - } - M4OSA_chrNCopy(pFileContext->url_name, pUrl, strlen((const char *)pUrl)+1); - - /* Get the file name */ - err = M4OSA_fileCommonGetFilename(pUrl, &pFileContext->file_name); - if(M4NO_ERROR != err) - { - fclose(pFileHandler); - free(pFileContext->url_name); - free(pFileContext); - M4OSA_DEBUG(err, "M4OSA_fileCommonOpen"); - return err; - } - -#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE - M4OSA_semaphoreOpen(&(pFileContext->semaphore_context), 1); /* Allocate the semaphore */ -#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ - - - -#ifdef USE_STAGEFRIGHT_CODECS - // Workaround for file system bug on Stingray/Honeycomb where a file re-created will keep - // the original file's size filled with 0s. Do not seek to the end to avoid ill effects - if(fileModeAccess & M4OSA_kFileAppend) { - /* Get the file size */ - iSavePos = ftell(pFileHandler); /* 1- Check the first position */ - fseek(pFileHandler, 0, SEEK_END); /* 2- Go to the end of the file*/ - iSize = ftell(pFileHandler); /* 3- Check the file size */ - fseek(pFileHandler, iSavePos, SEEK_SET);/* 4- go to the first position */ - } else { - iSize = 0; - } -#else /* USE_STAGEFRIGHT_CODECS */ - /* Get the file size */ - iSavePos = ftell(pFileHandler); /* 1- Check the first position */ - fseek(pFileHandler, 0, SEEK_END); /* 2- Go to the end of the file*/ - iSize = ftell(pFileHandler); /* 3- Check the file size */ - fseek(pFileHandler, iSavePos, SEEK_SET);/* 4- go to the first position */ -#endif /* USE_STAGEFRIGHT_CODECS */ - - - - /* Warning possible overflow if the file is higher than 2GBytes */ - pFileContext->file_size = iSize; - - *pContext = pFileContext; - - return M4NO_ERROR; -} - - -/** - ************************************************************************ - * @brief This function convert from UTF16 to UTF8 - * @param pBufferIn: (IN) UTF16 input path - * @param pBufferOut: (OUT) UTF8 output path - * @param bufferOutSize: (IN/OUT) size of the output path - * @return M4NO_ERROR: there is no error - * @return M4ERR_PARAMETER: the output path size is not enough to contain - * the decoded path - ************************************************************************ -*/ -#ifdef UTF_CONVERSION -M4OSA_ERR M4OSA_ToUTF8_OSAL (M4OSA_Void *pBufferIn, M4OSA_UInt8 *pBufferOut, - M4OSA_UInt32 *bufferOutSize) -{ - M4OSA_UInt16 i; - wchar_t *w_str = (wchar_t *) pBufferIn; - M4OSA_UInt32 len, size_needed, size_given; - if (pBufferIn == NULL) - { - *pBufferOut=NULL; - *bufferOutSize=1; - } - else - { - len = wcslen(w_str); - size_needed = len+1; - size_given = *bufferOutSize; - - *bufferOutSize=size_needed; - if (size_given < size_needed ) - { - return M4ERR_PARAMETER; - } - else - { - for (i=0; i<len; i++) - { - pBufferOut[i]=(M4OSA_UInt8)w_str[i]; - } - pBufferOut[len]=0; - } - } - return M4NO_ERROR; -} -#endif /*UTF CONVERSION*/ - -/** - ************************************************************************ - * @brief This function seeks at the provided position. - * @param context: (IN/OUT) Context of the core file reader - * @param seekMode: (IN) Seek access mode - * @param position: (IN/OUT) Position in the file - * @return M4NO_ERROR: there is no error - * @return M4ERR_PARAMETER: at least one parameter is NULL - * @return M4ERR_BAD_CONTEXT: provided context is not a valid one - * @return M4ERR_ALLOC: there is no more memory available - * @return M4ERR_FILE_INVALID_POSITION: the position cannot be reached - ************************************************************************ -*/ -M4OSA_ERR M4OSA_fileCommonSeek(M4OSA_Context pContext, - M4OSA_FileSeekAccessMode seekMode, - M4OSA_FilePosition* pFilePos) -{ - M4OSA_FileContext* pFileContext = pContext; - M4OSA_FilePosition fpos_current; - M4OSA_FilePosition fpos_seek; - M4OSA_FilePosition fpos_null = 0; - M4OSA_FilePosition fpos_neg_un = -1; - M4OSA_FilePosition fpos_file_size; - M4OSA_FilePosition fpos_seek_from_beginning; - - M4OSA_TRACE3_3("M4OSA_fileCommonSeek\t\tM4OSA_Context 0x%x\t M4OSA_FileSeekAccessMode %d\tM4OSA_FilePosition* 0x%x", - pContext, seekMode, pFilePos); - - M4OSA_DEBUG_IF2(M4OSA_NULL == pContext, M4ERR_PARAMETER, "M4OSA_fileCommonSeek"); - M4OSA_DEBUG_IF2(0 == seekMode, M4ERR_PARAMETER, "M4OSA_fileCommonSeek"); - M4OSA_DEBUG_IF2(M4OSA_NULL == pFilePos, M4ERR_PARAMETER, "M4OSA_fileCommonSeek"); - - fpos_file_size = pFileContext->file_size; - - if(SeekRead == pFileContext->current_seek) - { - fpos_current = pFileContext->read_position; - } - else if(SeekWrite == pFileContext->current_seek) - { - fpos_current = pFileContext->write_position; - } - else - { - fpos_current = 0; - } - - switch(seekMode) - { - case M4OSA_kFileSeekCurrent: - { - fpos_seek = *pFilePos; - break; - } - case M4OSA_kFileSeekBeginning: - { - fpos_seek = *pFilePos - fpos_current; - break; - } - case M4OSA_kFileSeekEnd: - { - fpos_seek = *pFilePos + fpos_file_size - fpos_current; - break; - } - default: - { - return M4ERR_PARAMETER; - } - } - - fpos_seek_from_beginning = fpos_current + fpos_seek; - - if(fseek(pFileContext->file_desc, fpos_seek, SEEK_CUR) != 0) - { - switch(errno) - { - case EINVAL: - { - /* meaning the value for origin is invalid or the position - specified by offset is before the beginning of the file */ - return M4ERR_FILE_INVALID_POSITION; - } - - case EBADF: - default: - { - return M4ERR_BAD_CONTEXT;/* file handle is invalid */ - } - } - } - - /* Set the returned position from the beginning of the file */ - *pFilePos = fpos_seek_from_beginning; - - /* SEEK done, reset end of file value */ - pFileContext->b_is_end_of_file = M4OSA_FALSE; - - return M4NO_ERROR; -} - - -/** - ************************************************************************ - * @brief This function asks to close the file (associated to the context) - * @note The context of the core file reader/writer is freed. - * @param context: (IN/OUT) Context of the core file reader - * @return M4NO_ERROR: there is no error - * @return M4ERR_PARAMETER: at least one parameter is NULL - * @return M4ERR_BAD_CONTEXT: provided context is not a valid one - * @return M4ERR_ALLOC: there is no more memory available - ************************************************************************ -*/ - -M4OSA_ERR M4OSA_fileCommonClose(M4OSA_UInt16 core_id, M4OSA_Context pContext) -{ - M4OSA_FileContext* pFileContext = pContext; - M4OSA_Int32 i32_err_code=0; - - M4OSA_TRACE3_2("M4OSA_fileCommonClose\tM4OSA_UInt16 %d\tM4OSA_Context 0x%x", - core_id, pContext); - M4OSA_DEBUG_IF2(M4OSA_NULL == pContext, - M4ERR_PARAMETER, "M4OSA_fileCommonClose: pContext is M4OSA_NULL"); -#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE - M4OSA_DEBUG_IF2(M4OSA_NULL == pFileContext->semaphore_context, M4ERR_BAD_CONTEXT, - "M4OSA_fileCommonClose: semaphore_context is M4OSA_NULL"); -#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ - - free(pFileContext->url_name); - pFileContext->url_name = M4OSA_NULL; - - free(pFileContext->file_name); - pFileContext->file_name = M4OSA_NULL; - - i32_err_code = fclose(pFileContext->file_desc); - - pFileContext->file_desc = M4OSA_NULL; - -#ifdef M4OSA_FILE_BLOCK_WITH_SEMAPHORE - M4OSA_semaphoreClose(pFileContext->semaphore_context);/* free the semaphore */ -#endif /* M4OSA_FILE_BLOCK_WITH_SEMAPHORE */ - - free(pFileContext); - - if (i32_err_code != 0) - { - M4OSA_DEBUG(M4ERR_BAD_CONTEXT, "M4OSA_fileCommonClose"); - return M4ERR_BAD_CONTEXT; - } - - return M4NO_ERROR; -} - - -/** - ************************************************************************ - * @brief This function gets the file attributes (associated to the - * context) - * @param context: (IN) Context of the core file reader - * @param attribute: (OUT) The file attribute (allocated by the caller) - * @return M4NO_ERROR: there is no error - * @return M4ERR_PARAMETER: at least one parameter is NULL - * @return M4ERR_BAD_CONTEXT: provided context is not a valid one - ************************************************************************ -*/ -M4OSA_ERR M4OSA_fileCommonGetAttribute(M4OSA_Context pContext, M4OSA_FileAttribute* pAttribute) -{ - - M4OSA_FileContext* fileContext = pContext; - - struct stat TheStat; - - M4OSA_TRACE3_2("M4OSA_fileCommonGetAttribute\tM4OSA_Context 0x%x\t" - "M4OSA_FileAttribute* 0x%x", pContext, pAttribute); - - M4OSA_DEBUG_IF2(M4OSA_NULL == pContext, M4ERR_PARAMETER, "M4OSA_fileCommonGetAttribute"); - M4OSA_DEBUG_IF2(M4OSA_NULL == pAttribute, M4ERR_PARAMETER, "M4OSA_fileCommonGetAttribute"); - - if(stat((char*)fileContext->url_name, &TheStat) != 0) - { - M4OSA_DEBUG(M4ERR_BAD_CONTEXT, "M4OSA_fileCommonGetAttribute"); - return M4ERR_BAD_CONTEXT; - } - - pAttribute->creationDate.time = (M4OSA_Time)TheStat.st_ctime; - pAttribute->lastAccessDate.time = (M4OSA_Time)TheStat.st_atime; - pAttribute->modifiedDate.time = (M4OSA_Time)TheStat.st_mtime; - - pAttribute->creationDate.timeScale = 1; - pAttribute->lastAccessDate.timeScale = 1; - pAttribute->modifiedDate.timeScale = 1; - - pAttribute->creationDate.referenceYear = 1970; - pAttribute->lastAccessDate.referenceYear = 1970; - pAttribute->modifiedDate.referenceYear = 1970; - - pAttribute->modeAccess = fileContext->access_mode; - - return M4NO_ERROR; -} - -/** - ************************************************************************ - * @brief This function gets the file URL (associated to the context). - * @note - * @param context: (IN) Context of the core file reader - * @param url: (OUT) The buffer containing the URL (allocated by - * M4OSA_fileCommonGetURL) - * @return M4NO_ERROR: there is no error - * @return M4ERR_PARAMETER: at least one parameter is NULL - * @return M4ERR_BAD_CONTEXT: provided context is not a valid one - * @return M4ERR_ALLOC: there is no more memory available - ************************************************************************ -*/ -M4OSA_ERR M4OSA_fileCommonGetURL(M4OSA_Context pContext, M4OSA_Char** pUrl) -{ - M4OSA_FileContext* pFileContext = pContext; - M4OSA_UInt32 uiLength; - - M4OSA_TRACE3_2("M4OSA_fileCommonGetURL\tM4OSA_Context 0x%x\tM4OSA_Char** 0x%x", - pContext, pUrl); - - M4OSA_DEBUG_IF2(M4OSA_NULL == pContext, M4ERR_PARAMETER, - "M4OSA_fileCommonGetURL: pContext is M4OSA_NULL"); - M4OSA_DEBUG_IF2(M4OSA_NULL == pUrl, M4ERR_PARAMETER, - "M4OSA_fileCommonGetURL: pUrl is M4OSA_NULL"); - - uiLength = strlen((const char *)pFileContext->url_name)+1; - - /* Allocate the memory to store the url_name */ - *pUrl = (M4OSA_Char*)M4OSA_32bitAlignedMalloc(uiLength, M4OSA_FILE_COMMON, - (M4OSA_Char*)"M4OSA_fileCommonGetURL: url"); - if(M4OSA_NULL == *pUrl) - { - M4OSA_DEBUG(M4ERR_ALLOC, "M4OSA_fileCommonGetURL"); - return M4ERR_ALLOC; - } - - M4OSA_chrNCopy(*pUrl, pFileContext->url_name, uiLength); - - return M4NO_ERROR; -} - - -/** - ************************************************************************ - * @brief This function gets a string containing the file name associated - * to the input URL. - * @note The user should not forget to delete the output string using - * M4OSA_strDestroy - * @param pUrl: (IN) The buffer containing the URL - * @param pFileName: (OUT) The string containing the URL. It is - * allocated inside this function - * @return M4NO_ERROR: there is no error - * @return M4ERR_NOT_IMPLEMENTED: the URL does not match with the supported - * file - * @return M4ERR_ALLOC: there is no more memory available - ************************************************************************ -*/ -M4OSA_ERR M4OSA_fileCommonGetFilename(M4OSA_Char* pUrl, M4OSA_Char** pFileName) -{ - M4OSA_Int32 i = 0; - M4OSA_Int32 iUrlLen = 0; - M4OSA_Int32 FileNameLen = 0; - - M4OSA_Char* ptrUrl = M4OSA_NULL; - M4OSA_Char* ptrFilename = M4OSA_NULL; - - M4OSA_TRACE3_2("M4OSA_fileCommonGetURL\tM4OSA_Char* %s\tM4OSA_Char** 0x%x", - pUrl, pFileName); - - M4OSA_DEBUG_IF2(M4OSA_NULL == pUrl, M4ERR_PARAMETER, - "M4OSA_fileCommonGetFilename: pUrl is M4OSA_NULL"); - M4OSA_DEBUG_IF2(M4OSA_NULL == pFileName, M4ERR_PARAMETER, - "M4OSA_fileCommonGetFilename: pFileName is M4OSA_NULL"); - - *pFileName = M4OSA_NULL; - - /*Parse URL*/ - iUrlLen = strlen((const char *)pUrl); - for(i=iUrlLen-1; i>=0; i--) - { - if (pUrl[i] != '\\' && pUrl[i] != '/') - { - FileNameLen++; - } - else - { - break; /* find the beginning of the file name */ - } - } - - ptrFilename = (M4OSA_Char*) M4OSA_32bitAlignedMalloc(FileNameLen+1, M4OSA_FILE_COMMON, - (M4OSA_Char*)"M4OSA_fileCommonGetFilename: Filename string"); - if (ptrFilename == M4OSA_NULL) - { - M4OSA_DEBUG(M4ERR_ALLOC, "M4OSA_fileCommonGetFilename"); - return M4ERR_ALLOC; - } - - ptrUrl = pUrl + (iUrlLen - FileNameLen); - M4OSA_chrNCopy(ptrFilename, ptrUrl, FileNameLen+1); - - *pFileName = ptrFilename; - - return M4NO_ERROR; -} - |