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Documenting and cleaning.

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This commit is contained in:
Sandrine Avakian 2016-05-13 14:39:52 +02:00
parent 16286e82e6
commit 957b32d042
1 changed files with 25 additions and 23 deletions
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48
coreapi/sqlite3_bctbx_vfs.c
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@ -3,7 +3,7 @@
#include <sqlite3.h>
/**
* Closes file by closing the associated file stream.
* Closes the file .
* Sets the error errno in the argument pErrSrvd after allocating it
* if an error occurrred.
* @param pFile File handle pointer.
@ -23,7 +23,7 @@ static int sqlite3bctbx_Close(sqlite3_file *p){
// close(pFile->fd);
//free(p);
//p = NULL;
return 0;
return SQLITE_OK;
}
else{
printf("sqlite3bctbx_Close error %s", strerror(errno));
@ -34,14 +34,17 @@ static int sqlite3bctbx_Close(sqlite3_file *p){
/**
* Read count bytes from the open file given by pFile, starting at offset.
* Sets the error errno in the argument pErrSrvd after allocating it
* if an error occurrred.
* @param pFile File handle pointer.
* @param buf buffer to write the read bytes to.
* @param count number of bytes to read
* @param offset file offset where to start reading
* @return BCTBX_VFS_ERROR if erroneous read, number of bytes read (count) otherwise
* Read count bytes from the open file given by p, starting at offset.
* Calls bctbx_vfs bcRead : the error type is set in pErrSvd if
* something wrong happened.
*
* @param p File handle pointer.
* @param buf buffer to write the read bytes to.
* @param count number of bytes to read
* @param offset file offset where to start reading
* @return SQLITE_OK if read bytes equals count,
* SQLITE_IOERR_SHORT_READ if the number of bytes read is inferior to count
* SQLITE_IOERR_READ if an error occurred.
*/
static int sqlite3bctbx_Read(sqlite3_file *p, void *buf, int count, sqlite_int64 offset){
int* pErrSvd = NULL;
@ -75,15 +78,14 @@ static int sqlite3bctbx_Read(sqlite3_file *p, void *buf, int count, sqlite_int64
}
/**
* Writes directly to the open file given through the pFile argument.
* Sets the error errno in the argument pErrSrvd after allocating it
* if an error occurrred.
* Writes directly to the open file given through the p argument.
* Calls bctbx_vfs bcWrite : the error type is set in pErrSvd if
* something went wrong.
* @param p File handle pointer.
* @param buf Buffer containing data to write
* @param count Size of data to write in bytes
* @param offset File offset where to write to
* @param pErrSvd [description
* @return number of bytes written (can be 0), BCTBX_VFS_ERROR if an error occurred.
* @return SQLITE_OK on success, SQLITE_IOERR_WRITE if an error occurred.
*/
static int sqlite3bctbx_Write(sqlite3_file *p, const void *buf, int count, sqlite_int64 offset){
sqlite3_bctbx_file *pFile = (sqlite3_bctbx_file*) p;
@ -107,9 +109,11 @@ static int sqlite3bctbx_Write(sqlite3_file *p, const void *buf, int count, sqlit
/**
* Returns the file size associated with the file handle pFile.
* @param pFile File handle pointer.
* @return BCTBX_VFS_ERROR if an error occurred, BCTBX_VFS_OK otherwise.
* Saves the file size associated with the file handle p into the argument pSize.
* @param p File handle pointer.
* @return SQLITE_OK if read bytes equals count,
* SQLITE_IOERR_FSTAT if the file size returned is negative
* SQLITE_ERROR if an error occurred.
*/
static int sqlite3bctbx_FileSize(sqlite3_file *p, sqlite_int64 *pSize){
@ -124,8 +128,6 @@ static int sqlite3bctbx_FileSize(sqlite3_file *p, sqlite_int64 *pSize){
*pSize = rc;
return SQLITE_OK;
}
else
return SQLITE_IOERR;
}
return SQLITE_ERROR;
@ -144,7 +146,7 @@ static int sqlite3bctbx_DeviceCharacteristics(sqlite3_file *p){
/**
* [sqlite3bctbx_FileControl description]
* @param p [description]
* @param p File handle pointer.
* @param op [description]
* @param pArg [description]
* @return [description]
@ -189,7 +191,7 @@ static int sqlite3bctbx_nolockUnlock(sqlite3_file *pUnused, int unused){
/**
* Simple sync the file contents to the persistent media.
* @param pFile [description]
* @param p File handle pointer.
* @param flags [description]
* @return [description]
*/
@ -256,7 +258,7 @@ static int sqlite3bctbx_Open(sqlite3_vfs *pVfs, const char *fName, sqlite3_file
pFile->base.pMethods = &sqlite3_bctbx_io;
pFile->bctbx_file.pMethods = get_bcio();
pFile->bctbx_file.filename = (char*)fName;
//p = (sqlite3_file*) pFile;
return SQLITE_OK;
}