symbian-qemu-0.9.1-12/python-2.6.1/Modules/grpmodule.c
author bugtracker-ml@nttdocomo.com
Tue, 06 Apr 2010 17:00:22 +0100
changeset 56 f24810eebc6b
parent 1 2fb8b9db1c86
permissions -rw-r--r--
Merge BUG 1296
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/* UNIX group file access module */
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#include "Python.h"
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#include "structseq.h"
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#include <sys/types.h>
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#include <grp.h>
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static PyStructSequence_Field struct_group_type_fields[] = {
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   {"gr_name", "group name"},
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   {"gr_passwd", "password"},
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   {"gr_gid", "group id"}, 
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   {"gr_mem", "group memebers"}, 
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   {0}
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};
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PyDoc_STRVAR(struct_group__doc__,
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"grp.struct_group: Results from getgr*() routines.\n\n\
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This object may be accessed either as a tuple of\n\
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  (gr_name,gr_passwd,gr_gid,gr_mem)\n\
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or via the object attributes as named in the above tuple.\n");
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static PyStructSequence_Desc struct_group_type_desc = {
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   "grp.struct_group",
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   struct_group__doc__,
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   struct_group_type_fields,
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   4,
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};
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static int initialized;
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static PyTypeObject StructGrpType;
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static PyObject *
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mkgrent(struct group *p)
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{
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    int setIndex = 0;
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    PyObject *v = PyStructSequence_New(&StructGrpType), *w;
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    char **member;
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    if (v == NULL)
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        return NULL;
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    if ((w = PyList_New(0)) == NULL) {
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        Py_DECREF(v);
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        return NULL;
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    }
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    for (member = p->gr_mem; *member != NULL; member++) {
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        PyObject *x = PyString_FromString(*member);
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        if (x == NULL || PyList_Append(w, x) != 0) {
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            Py_XDECREF(x);
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            Py_DECREF(w);
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            Py_DECREF(v);
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            return NULL;
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        }
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        Py_DECREF(x);
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    }
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#define SET(i,val) PyStructSequence_SET_ITEM(v, i, val)
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    SET(setIndex++, PyString_FromString(p->gr_name));
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#ifdef __VMS
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    SET(setIndex++, Py_None);
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    Py_INCREF(Py_None);
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#else
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    if (p->gr_passwd)
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	    SET(setIndex++, PyString_FromString(p->gr_passwd));
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    else {
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	    SET(setIndex++, Py_None);
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	    Py_INCREF(Py_None);
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    }
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#endif
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    SET(setIndex++, PyInt_FromLong((long) p->gr_gid));
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    SET(setIndex++, w);
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#undef SET
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    if (PyErr_Occurred()) {
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        Py_DECREF(v);
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        Py_DECREF(w);
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        return NULL;
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    }
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    return v;
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}
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static PyObject *
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grp_getgrgid(PyObject *self, PyObject *pyo_id)
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{
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    PyObject *py_int_id;
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    unsigned int gid;
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    struct group *p;
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    py_int_id = PyNumber_Int(pyo_id);
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    if (!py_int_id)
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	    return NULL;
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    gid = PyInt_AS_LONG(py_int_id);
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    Py_DECREF(py_int_id);
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    if ((p = getgrgid(gid)) == NULL) {
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	PyErr_Format(PyExc_KeyError, "getgrgid(): gid not found: %d", gid);
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        return NULL;
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    }
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    return mkgrent(p);
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}
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static PyObject *
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grp_getgrnam(PyObject *self, PyObject *pyo_name)
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{
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    PyObject *py_str_name;
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    char *name;
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    struct group *p;
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    py_str_name = PyObject_Str(pyo_name);
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    if (!py_str_name)
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	    return NULL;
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    name = PyString_AS_STRING(py_str_name);
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    if ((p = getgrnam(name)) == NULL) {
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	PyErr_Format(PyExc_KeyError, "getgrnam(): name not found: %s", name);
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	Py_DECREF(py_str_name);
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        return NULL;
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    }
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   123
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    Py_DECREF(py_str_name);
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    return mkgrent(p);
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}
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2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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static PyObject *
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grp_getgrall(PyObject *self, PyObject *ignore)
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{
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    PyObject *d;
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    struct group *p;
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2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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    if ((d = PyList_New(0)) == NULL)
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        return NULL;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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    setgrent();
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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    while ((p = getgrent()) != NULL) {
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        PyObject *v = mkgrent(p);
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        if (v == NULL || PyList_Append(d, v) != 0) {
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            Py_XDECREF(v);
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            Py_DECREF(d);
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            return NULL;
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        }
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        Py_DECREF(v);
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    }
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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    endgrent();
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    return d;
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}
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static PyMethodDef grp_methods[] = {
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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    {"getgrgid",	grp_getgrgid,	METH_O,
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     "getgrgid(id) -> tuple\n\
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Return the group database entry for the given numeric group ID.  If\n\
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id is not valid, raise KeyError."},
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    {"getgrnam",	grp_getgrnam,	METH_O,
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   156
     "getgrnam(name) -> tuple\n\
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Return the group database entry for the given group name.  If\n\
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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name is not valid, raise KeyError."},
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   159
    {"getgrall",	grp_getgrall,	METH_NOARGS,
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     "getgrall() -> list of tuples\n\
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   161
Return a list of all available group entries, in arbitrary order."},
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   162
    {NULL,		NULL}		/* sentinel */
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parents:
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   163
};
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   164
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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PyDoc_STRVAR(grp__doc__,
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   166
"Access to the Unix group database.\n\
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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\n\
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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Group entries are reported as 4-tuples containing the following fields\n\
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   169
from the group database, in order:\n\
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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\n\
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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  name   - name of the group\n\
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  passwd - group password (encrypted); often empty\n\
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   173
  gid    - numeric ID of the group\n\
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   174
  mem    - list of members\n\
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   175
\n\
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   176
The gid is an integer, name and password are strings.  (Note that most\n\
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   177
users are not explicitly listed as members of the groups they are in\n\
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   178
according to the password database.  Check both databases to get\n\
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   179
complete membership information.)");
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   180
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   181
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   182
PyMODINIT_FUNC
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   183
initgrp(void)
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parents:
diff changeset
   184
{
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   185
    PyObject *m, *d;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   186
    m = Py_InitModule3("grp", grp_methods, grp__doc__);
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   187
    if (m == NULL)
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   188
        return;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   189
    d = PyModule_GetDict(m);
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   190
    if (!initialized)
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   191
	    PyStructSequence_InitType(&StructGrpType, &struct_group_type_desc);
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   192
    PyDict_SetItemString(d, "struct_group", (PyObject *) &StructGrpType);
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   193
    initialized = 1;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   194
}