6453   DbPath *pPath,       /* Path under construction, to which to append zName */  in appendOnePathElement()  argument
6462       if( pPath->nUsed<=1 ){  in appendOnePathElement()
6463         pPath->rc = SQLITE_ERROR;  in appendOnePathElement()
6466       assert( pPath->zOut[0]=='/' );  in appendOnePathElement()
6467       while( pPath->zOut[--pPath->nUsed]!='/' ){}  in appendOnePathElement()
6471   if( pPath->nUsed + nName + 2 >= pPath->nOut ){  in appendOnePathElement()
6472     pPath->rc = SQLITE_ERROR;  in appendOnePathElement()
6475   pPath->zOut[pPath->nUsed++] = '/';  in appendOnePathElement()
6476   memcpy(&pPath->zOut[pPath->nUsed], zName, nName);  in appendOnePathElement()
6477   pPath->nUsed += nName;  in appendOnePathElement()
6479   if( pPath->rc==SQLITE_OK ){  in appendOnePathElement()
6482     pPath->zOut[pPath->nUsed] = 0;  in appendOnePathElement()
6483     zIn = pPath->zOut;  in appendOnePathElement()
6486         pPath->rc = unixLogError(SQLITE_CANTOPEN_BKPT, "lstat", zIn);  in appendOnePathElement()
6491       if( pPath->nSymlink++ > SQLITE_MAX_SYMLINK ){  in appendOnePathElement()
6492         pPath->rc = SQLITE_CANTOPEN_BKPT;  in appendOnePathElement()
6497         pPath->rc = unixLogError(SQLITE_CANTOPEN_BKPT, "readlink", zIn);  in appendOnePathElement()
6502         pPath->nUsed = 0;  in appendOnePathElement()
6504         pPath->nUsed -= nName + 1;  in appendOnePathElement()
6506       appendAllPathElements(pPath, zLnk);  in appendOnePathElement()
6516   DbPath *pPath,       /* Path under construction, to which to append zName */  in appendAllPathElements()  argument
6524       appendOnePathElement(pPath, &zPath[j], i-j);  in appendAllPathElements()