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Fix two crashes on Windows:

Browse source 
- CHECK_VALID() was checking the wrong value for a closed fd
- fseek(&_iob[fileno], ...) doesn't work for fileno >= 20
This commit is contained in:
Guido van Rossum 2003-04-09 19:31:02 +00:00
parent 21123ab7e5
commit 69c2b88392
1 changed files with 2 additions and 2 deletions
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4
Modules/mmapmodule.c
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@ -154,7 +154,7 @@ mmap_close_method(mmap_object *self, PyObject *args)
#ifdef MS_WINDOWS
#define CHECK_VALID(err) \
do { \
if (!self->map_handle) { \
if (self->map_handle == INVALID_HANDLE_VALUE) { \
PyErr_SetString (PyExc_ValueError, "mmap closed or invalid"); \
return err; \
} \
@ -974,7 +974,7 @@ new_mmap_object(PyObject *self, PyObject *args, PyObject *kwdict)
return NULL;
}
/* Win9x appears to need us seeked to zero */
fseek(&_iob[fileno], 0, SEEK_SET);
lseek(fileno, 0, SEEK_SET);
}
m_obj = PyObject_New (mmap_object, &mmap_object_type);