[Python-checkins] r68550 - sandbox/trunk/io-c/_textio.c

[antoine.pitrou]

Author: antoine.pitrou
Date: Mon Jan 12 21:06:38 2009
New Revision: 68550

Log:
add checking for telling flag in text.seek()

Modified:
   sandbox/trunk/io-c/_textio.c

Modified: sandbox/trunk/io-c/_textio.c
==============================================================================
--- sandbox/trunk/io-c/_textio.c	(original)
+++ sandbox/trunk/io-c/_textio.c	Mon Jan 12 21:06:38 2009
@@ -1580,6 +1580,11 @@
                         "underlying stream is not seekable");
         goto fail;
     }
+    if (!self->telling) {
+        PyErr_SetString(PyExc_IOError,
+                        "telling position disabled by next() call");
+        goto fail;
+    }
 
     res = PyObject_CallMethod((PyObject *)self, "flush", NULL);
     if (res == NULL)