contrib/sqlite3/sqlite3.c

1295   int (*xRead)(sqlite3_file*, void*, int iAmt, sqlite3_int64 iOfst);
1296   int (*xWrite)(sqlite3_file*, const void*, int iAmt, sqlite3_int64 iOfst);
1312   int (*xFetch)(sqlite3_file*, sqlite3_int64 iOfst, int iAmt, void **pp);
15240 SQLITE_PRIVATE int sqlite3OsFetch(sqlite3_file *id, i64 iOff, int iAmt, void **pp){
15242   return id->pMethods->xFetch(id, iOff, iAmt, pp);
15249 SQLITE_PRIVATE int sqlite3OsFetch(sqlite3_file *id, i64 iOff, int iAmt, void **pp){
48154 ** Write iAmt bytes of content into the WAL file beginning at iOffset.
48157 ** In other words, if iSyncPoint is in between iOffset and iOffset+iAmt,
48164   int iAmt,                  /* Number of bytes to write */
48168   if( iOffset<p->iSyncPoint && iOffset+iAmt>=p->iSyncPoint ){
48173     iAmt -= iFirstAmt;
48177     if( iAmt==0 || rc ) return rc;
48179   rc = sqlite3OsWrite(p->pFd, pContent, iAmt, iOffset);
73305   int iAmt,              /* Number of bytes to read */
73311     rc = sqlite3OsRead(p->pReal, zBuf, iAmt, iOfst);
73312   }else if( (iAmt+iOfst)>p->iSize ){
73315     memcpy(zBuf, &p->zBuf[iOfst], iAmt);
73326   int iAmt,              /* Number of bytes to write */
73331   if( !p->pReal && (iOfst+iAmt)>p->nBuf ){
73336       rc = sqlite3OsWrite(p->pReal, zBuf, iAmt, iOfst);
73338       memcpy(&p->zBuf[iOfst], zBuf, iAmt);
73339       if( p->iSize<(iOfst+iAmt) ){
73340         p->iSize = (iOfst+iAmt);
73545   int iAmt,              /* Number of bytes to read */
73550   int nRead = iAmt;
73555   assert( iOfst+iAmt<=p->endpoint.iOffset );
73578   p->readpoint.iOffset = iOfst+iAmt;
73590   int iAmt,              /* Number of bytes to write */
73594   int nWrite = iAmt;