Index: ext/rtree/rtree.c
==================================================================
--- ext/rtree/rtree.c
+++ ext/rtree/rtree.c
@@ -3131,11 +3131,11 @@
     int nCell = 0;
     RtreeCell cell;
     int jj;
 
     nodeGetCell(&tree, &node, ii, &cell);
-    sqlite3_snprintf(512-nCell,&zCell[nCell],"%d", cell.iRowid);
+    sqlite3_snprintf(512-nCell,&zCell[nCell],"%lld", cell.iRowid);
     nCell = strlen(zCell);
     for(jj=0; jj<tree.nDim*2; jj++){
       sqlite3_snprintf(512-nCell,&zCell[nCell]," %f",(double)cell.aCoord[jj].f);
       nCell = strlen(zCell);
     }

ADDED   ext/rtree/rtreeB.test
Index: ext/rtree/rtreeB.test
==================================================================
--- ext/rtree/rtreeB.test
+++ ext/rtree/rtreeB.test
@@ -0,0 +1,34 @@
+# 2011 March 2
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# Make sure the rtreenode() testing function can handle entries with
+# 64-bit rowids.
+# 
+
+if {![info exists testdir]} {
+  set testdir [file join [file dirname [info script]] .. .. test]
+} 
+source $testdir/tester.tcl
+ifcapable !rtree { finish_test ; return }
+
+do_test rtreeB-1.1 {
+  db eval {
+    CREATE VIRTUAL TABLE t1 USING rtree(ii, x0, y0, x1, y1);
+    INSERT INTO t1 VALUES(1073741824, 0.0, 0.0, 100.0, 100.0);
+    INSERT INTO t1 VALUES(2147483646, 0.0, 0.0, 200.0, 200.0);
+    INSERT INTO t1 VALUES(4294967296, 0.0, 0.0, 300.0, 300.0);
+    INSERT INTO t1 VALUES(8589934592, 20.0, 20.0, 150.0, 150.0);
+    INSERT INTO t1 VALUES(9223372036854775807, 150, 150, 400, 400);
+    SELECT rtreenode(2, data) FROM t1_node;
+  }
+} {{1073741824 0.000000 0.000000 100.000000 100.000000} {2147483646 0.000000 0.000000 200.000000 200.000000} {4294967296 0.000000 0.000000 300.000000 300.000000} {8589934592 20.000000 20.000000 150.000000 150.000000} {9223372036854775807 150.000000 150.000000 400.000000 400.000000}}
+
+
+finish_test

Index: src/os_unix.c
==================================================================
--- src/os_unix.c
+++ src/os_unix.c
@@ -321,13 +321,60 @@
 #endif
 
   { "ftruncate",    (void*)ftruncate,  0  },
 #define osFtruncate ((int(*)(int,off_t))aSyscall[6].pCurrent)
 
-  { "fcntl",        (void*)fcntl,    0  },
+  { "fcntl",        (void*)fcntl,      0  },
 #define osFcntl     ((int(*)(int,int,...))aSyscall[7].pCurrent)
-};
+
+  { "read",         (void*)read,       0  },
+#define osRead      ((ssize_t(*)(int,void*,size_t))aSyscall[8].pCurrent)
+
+#if defined(USE_PREAD) || defined(SQLITE_ENABLE_LOCKING_STYLE)
+  { "pread",        (void*)pread,      0  },
+#else
+  { "pread",        (void*)0,          0  },
+#endif
+#define osPread     ((ssize_t(*)(int,void*,size_t,off_t))aSyscall[9].pCurrent)
+
+#if defined(USE_PREAD64)
+  { "pread64",      (void*)pread64,    0  },
+#else
+  { "pread64",      (void*)0,          0  },
+#endif
+#define osPread64   ((ssize_t(*)(int,void*,size_t,off_t))aSyscall[10].pCurrent)
+
+  { "write",        (void*)write,      0  },
+#define osWrite     ((ssize_t(*)(int,const void*,size_t))aSyscall[11].pCurrent)
+
+#if defined(USE_PREAD) || defined(SQLITE_ENABLE_LOCKING_STYLE)
+  { "pwrite",       (void*)pwrite,     0  },
+#else
+  { "pwrite",       (void*)0,          0  },
+#endif
+#define osPwrite    ((ssize_t(*)(int,const void*,size_t,off_t))\
+                    aSyscall[12].pCurrent)
+
+#if defined(USE_PREAD64)
+  { "pwrite64",     (void*)pwrite64,   0  },
+#else
+  { "pwrite64",     (void*)0,          0  },
+#endif
+#define osPwrite64  ((ssize_t(*)(int,const void*,size_t,off_t))\
+                    aSyscall[13].pCurrent)
+
+  { "fchmod",       (void*)fchmod,     0  },
+#define osFchmod    ((int(*)(int,mode_t))aSyscall[14].pCurrent)
+
+#if defined(HAVE_POSIX_FALLOCATE) && HAVE_POSIX_FALLOCATE
+  { "fallocate",    (void*)posix_fallocate,  0 },
+#else
+  { "fallocate",    (void*)0,                0 },
+#endif
+#define osFallocate ((int(*)(int,off_t,off_t)aSyscall[15].pCurrent)
+
+}; /* End of the overrideable system calls */
 
 /*
 ** This is the xSetSystemCall() method of sqlite3_vfs for all of the
 ** "unix" VFSes.
 */
@@ -1009,11 +1056,11 @@
   ** in the header of every SQLite database.  In this way, if there
   ** is a race condition such that another thread has already populated
   ** the first page of the database, no damage is done.
   */
   if( statbuf.st_size==0 && (pFile->fsFlags & SQLITE_FSFLAGS_IS_MSDOS)!=0 ){
-    do{ rc = write(fd, "S", 1); }while( rc<0 && errno==EINTR );
+    do{ rc = osWrite(fd, "S", 1); }while( rc<0 && errno==EINTR );
     if( rc!=1 ){
       pFile->lastErrno = errno;
       return SQLITE_IOERR;
     }
     rc = osFstat(fd, &statbuf);
@@ -2781,14 +2828,14 @@
 #if (!defined(USE_PREAD) && !defined(USE_PREAD64))
   i64 newOffset;
 #endif
   TIMER_START;
 #if defined(USE_PREAD)
-  do{ got = pread(id->h, pBuf, cnt, offset); }while( got<0 && errno==EINTR );
+  do{ got = osPread(id->h, pBuf, cnt, offset); }while( got<0 && errno==EINTR );
   SimulateIOError( got = -1 );
 #elif defined(USE_PREAD64)
-  do{ got = pread64(id->h, pBuf, cnt, offset); }while( got<0 && errno==EINTR );
+  do{ got = osPread64(id->h, pBuf, cnt, offset); }while( got<0 && errno==EINTR);
   SimulateIOError( got = -1 );
 #else
   newOffset = lseek(id->h, offset, SEEK_SET);
   SimulateIOError( newOffset-- );
   if( newOffset!=offset ){
@@ -2797,11 +2844,11 @@
     }else{
       ((unixFile*)id)->lastErrno = 0;			
     }
     return -1;
   }
-  do{ got = read(id->h, pBuf, cnt); }while( got<0 && errno==EINTR );
+  do{ got = osRead(id->h, pBuf, cnt); }while( got<0 && errno==EINTR );
 #endif
   TIMER_END;
   if( got<0 ){
     ((unixFile*)id)->lastErrno = errno;
   }
@@ -2859,13 +2906,13 @@
 #if (!defined(USE_PREAD) && !defined(USE_PREAD64))
   i64 newOffset;
 #endif
   TIMER_START;
 #if defined(USE_PREAD)
-  do{ got = pwrite(id->h, pBuf, cnt, offset); }while( got<0 && errno==EINTR );
+  do{ got = osPwrite(id->h, pBuf, cnt, offset); }while( got<0 && errno==EINTR );
 #elif defined(USE_PREAD64)
-  do{ got = pwrite64(id->h, pBuf, cnt, offset); }while( got<0 && errno==EINTR );
+  do{ got = osPwrite64(id->h, pBuf, cnt, offset);}while( got<0 && errno==EINTR);
 #else
   newOffset = lseek(id->h, offset, SEEK_SET);
   if( newOffset!=offset ){
     if( newOffset == -1 ){
       ((unixFile*)id)->lastErrno = errno;
@@ -2872,11 +2919,11 @@
     }else{
       ((unixFile*)id)->lastErrno = 0;			
     }
     return -1;
   }
-  do{ got = write(id->h, pBuf, cnt); }while( got<0 && errno==EINTR );
+  do{ got = osWrite(id->h, pBuf, cnt); }while( got<0 && errno==EINTR );
 #endif
   TIMER_END;
   if( got<0 ){
     ((unixFile*)id)->lastErrno = errno;
   }
@@ -3235,11 +3282,11 @@
     nSize = ((nByte+pFile->szChunk-1) / pFile->szChunk) * pFile->szChunk;
     if( nSize>(i64)buf.st_size ){
 #if defined(HAVE_POSIX_FALLOCATE) && HAVE_POSIX_FALLOCATE
       int rc;
       do{
-        rc = posix_fallocate(pFile-.h, buf.st_size, nSize-buf.st_size;
+        rc = osFallocate(pFile->.h, buf.st_size, nSize-buf.st_size;
       }while( rc<0 && errno=EINTR );
       if( rc ) return SQLITE_IOERR_WRITE;
 #else
       /* If the OS does not have posix_fallocate(), fake it. First use
       ** ftruncate() to set the file size, then write a single byte to
@@ -5113,11 +5160,11 @@
       pid = getpid();
       memcpy(&zBuf[sizeof(t)], &pid, sizeof(pid));
       assert( sizeof(t)+sizeof(pid)<=(size_t)nBuf );
       nBuf = sizeof(t) + sizeof(pid);
     }else{
-      do{ nBuf = read(fd, zBuf, nBuf); }while( nBuf<0 && errno==EINTR );
+      do{ nBuf = osRead(fd, zBuf, nBuf); }while( nBuf<0 && errno==EINTR );
       robust_close(0, fd, __LINE__);
     }
   }
 #endif
   return nBuf;
@@ -5636,11 +5683,11 @@
      (strlcpy(&tPath[pathLen-5], "break", 6) != 5) ){
     sqlite3_snprintf(sizeof(errmsg),errmsg,"path error (len %d)",(int)pathLen);
     goto end_breaklock;
   }
   /* read the conch content */
-  readLen = pread(conchFile->h, buf, PROXY_MAXCONCHLEN, 0);
+  readLen = osPread(conchFile->h, buf, PROXY_MAXCONCHLEN, 0);
   if( readLen<PROXY_PATHINDEX ){
     sqlite3_snprintf(sizeof(errmsg),errmsg,"read error (len %d)",(int)readLen);
     goto end_breaklock;
   }
   /* write it out to the temporary break file */
@@ -5647,11 +5694,11 @@
   fd = osOpen(tPath, (O_RDWR|O_CREAT|O_EXCL), SQLITE_DEFAULT_FILE_PERMISSIONS);
   if( fd<0 ){
     sqlite3_snprintf(sizeof(errmsg), errmsg, "create failed (%d)", errno);
     goto end_breaklock;
   }
-  if( pwrite(fd, buf, readLen, 0) != (ssize_t)readLen ){
+  if( osPwrite(fd, buf, readLen, 0) != (ssize_t)readLen ){
     sqlite3_snprintf(sizeof(errmsg), errmsg, "write failed (%d)", errno);
     goto end_breaklock;
   }
   if( rename(tPath, cPath) ){
     sqlite3_snprintf(sizeof(errmsg), errmsg, "rename failed (%d)", errno);
@@ -5712,11 +5759,11 @@
         return SQLITE_BUSY;
       }
       
       if( nTries==2 ){  
         char tBuf[PROXY_MAXCONCHLEN];
-        int len = pread(conchFile->h, tBuf, PROXY_MAXCONCHLEN, 0);
+        int len = osPread(conchFile->h, tBuf, PROXY_MAXCONCHLEN, 0);
         if( len<0 ){
           pFile->lastErrno = errno;
           return SQLITE_IOERR_LOCK;
         }
         if( len>PROXY_PATHINDEX && tBuf[0]==(char)PROXY_CONCHVERSION){
@@ -5882,21 +5929,20 @@
         /* If we created a new conch file (not just updated the contents of a 
          ** valid conch file), try to match the permissions of the database 
          */
         if( rc==SQLITE_OK && createConch ){
           struct stat buf;
-          int rc;
           int err = osFstat(pFile->h, &buf);
           if( err==0 ){
             mode_t cmode = buf.st_mode&(S_IRUSR|S_IWUSR | S_IRGRP|S_IWGRP |
                                         S_IROTH|S_IWOTH);
             /* try to match the database file R/W permissions, ignore failure */
 #ifndef SQLITE_PROXY_DEBUG
-            fchmod(conchFile->h, cmode);
+            osFchmod(conchFile->h, cmode);
 #else
             do{
-              rc = fchmod(conchFile->h, cmode);
+              rc = osFchmod(conchFile->h, cmode);
             }while( rc==(-1) && errno==EINTR );
             if( rc!=0 ){
               int code = errno;
               fprintf(stderr, "fchmod %o FAILED with %d %s\n",
                       cmode, code, strerror(code));
@@ -5915,11 +5961,11 @@
       
     end_takeconch:
       OSTRACE(("TRANSPROXY: CLOSE  %d\n", pFile->h));
       if( rc==SQLITE_OK && pFile->openFlags ){
         if( pFile->h>=0 ){
-          robust_close(pFile, pFile->h, __LINE__) ){
+          robust_close(pFile, pFile->h, __LINE__);
         }
         pFile->h = -1;
         int fd = osOpen(pCtx->dbPath, pFile->openFlags,
                       SQLITE_DEFAULT_FILE_PERMISSIONS);
         OSTRACE(("TRANSPROXY: OPEN  %d\n", fd));