1
0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-12 13:01:09 +03:00

Enable the SQLITE_FCNTL_SIZE_HINT on unix even if SQLITE_FCNTL_CHUNK_SIZE

has not been set.

FossilOrigin-Name: 05c9832e5f6eb705f1dce4e65cf4e2d56512ff6b
This commit is contained in:
drh
2011-07-25 23:25:47 +00:00
parent 5d22e41f2d
commit 7d2dc7156c
4 changed files with 17 additions and 19 deletions

View File

@@ -3395,13 +3395,19 @@ static int proxyFileControl(sqlite3_file*,int,void*);
** SQLITE_FCNTL_SIZE_HINT operation is a no-op for Unix.
*/
static int fcntlSizeHint(unixFile *pFile, i64 nByte){
if( pFile->szChunk ){
{ /* preserve indentation of removed "if" */
i64 nSize; /* Required file size */
i64 szChunk; /* Chunk size */
struct stat buf; /* Used to hold return values of fstat() */
if( osFstat(pFile->h, &buf) ) return SQLITE_IOERR_FSTAT;
nSize = ((nByte+pFile->szChunk-1) / pFile->szChunk) * pFile->szChunk;
szChunk = pFile->szChunk;
if( szChunk==0 ){
nSize = nByte;
}else{
nSize = ((nByte+szChunk-1) / szChunk) * szChunk;
}
if( nSize>(i64)buf.st_size ){
#if defined(HAVE_POSIX_FALLOCATE) && HAVE_POSIX_FALLOCATE