800 static PyObject *
801 pylistxattr(PyObject *self, PyObject *args)
802 {
803     char *buf;
804     int nofollow=0;
805     ssize_t nalloc, nret;
806     PyObject *myarg;
807     PyObject *mylist;
808     Py_ssize_t nattrs;
809     char *s;
810     target_t tgt;
811 
812     /* Parse the arguments */
813     if (!PyArg_ParseTuple(args, "O|i", &myarg, &nofollow))
when _PyArg_ParseTuple_SizeT() succeeds
taking False path
814         return NULL;
815     if(!convertObj(myarg, &tgt, nofollow))
when considering range: -0x80000000 <= value <= -1
taking False path
816         return NULL;
817 
818     /* Find out the needed size of the buffer */
819     if((nalloc = _list_obj(&tgt, NULL, 0)) == -1) {
when considering range: -0x8000000000000000 <= value <= -2
taking False path
820         mylist = PyErr_SetFromErrno(PyExc_IOError);
821         goto freetgt;
822     }
823 
824     /* Try to allocate the memory, using Python's allocator */
825     if((buf = PyMem_Malloc(nalloc)) == NULL) {
when PyMem_Malloc() succeeds
taking False path
826         mylist = PyErr_NoMemory();
827         goto freetgt;
828     }
829 
830     /* Now retrieve the list of attributes */
831     if((nret = _list_obj(&tgt, buf, nalloc)) == -1) {
when considering range: -0x8000000000000000 <= value <= -2
taking False path
832         mylist = PyErr_SetFromErrno(PyExc_IOError);
833         goto freebuf;
834     }
835 
836     /* Compute the number of attributes in the list */
837     for(s = buf, nattrs = 0; (s - buf) < nret; s += strlen(s) + 1) {
when taking True path
when taking False path
838         nattrs++;
839     }
840 
841     /* Create the list which will hold the result */
842     mylist = PyList_New(nattrs);
when PyList_New() fails
843 
844     /* Create and insert the attributes as strings in the list */
845     for(s = buf, nattrs = 0; s - buf < nret; s += strlen(s) + 1) {
when taking True path
846         PyList_SET_ITEM(mylist, nattrs, PyBytes_FromString(s));
dereferencing NULL (MEM[(struct PyListObject *)mylist].ob_item) at xattr.c:846
found 1 similar trace(s) to this
847         nattrs++;
848     }
849 
850  freebuf:
851     /* Free the buffer, now it is no longer needed */
852     PyMem_Free(buf);
853 
854  freetgt:
855     free_tgt(&tgt);
856 
857     /* Return the result */
858     return mylist;
859 }