Fix a benign inaccuracy in the os_unix.c SQLITE_FCNTL_SIZE_HINT code.

FossilOrigin-Name: 61a6ccbe3c9c3ad5f35fb325e3c327cb19409925

1 files changed, 4 insertions, 5 deletions

diff --git a/src/os_unix.c b/src/os_unix.c
index 67dd06fc1..e3fa9ea46 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -3398,18 +3398,17 @@ static int fcntlSizeHint(unixFile *pFile, i64 nByte){
       */
       int nBlk = buf.st_blksize;  /* File-system block size */
       i64 iWrite;                 /* Next offset to write to */
-      int nWrite;                 /* Return value from seekAndWrite() */
 
       if( robust_ftruncate(pFile->h, nSize) ){
         pFile->lastErrno = errno;
         return unixLogError(SQLITE_IOERR_TRUNCATE, "ftruncate", pFile->zPath);
       }
       iWrite = ((buf.st_size + 2*nBlk - 1)/nBlk)*nBlk-1;
-      do {
-        nWrite = seekAndWrite(pFile, iWrite, "", 1);
+      while( iWrite<nSize ){
+        int nWrite = seekAndWrite(pFile, iWrite, "", 1);
+        if( nWrite!=1 ) return SQLITE_IOERR_WRITE;
         iWrite += nBlk;
-      } while( nWrite==1 && iWrite<nSize );
-      if( nWrite!=1 ) return SQLITE_IOERR_WRITE;
+      }
 #endif
     }
   }