--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Modules/bsddbmodule.c Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,862 @@
+/* Berkeley DB interface.
+ Author: Michael McLay
+ Hacked: Guido van Rossum
+ Btree and Recno additions plus sequence methods: David Ely
+ Hacked by Gustavo Niemeyer <niemeyer@conectiva.com> fixing recno
+ support.
+
+ XXX To do:
+ - provide a way to access the various hash functions
+ - support more open flags
+
+ The windows port of the Berkeley DB code is hard to find on the web:
+ www.nightmare.com/software.html
+*/
+
+#include "Python.h"
+#ifdef WITH_THREAD
+#include "pythread.h"
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#ifdef HAVE_DB_185_H
+#include <db_185.h>
+#else
+#include <db.h>
+#endif
+/* Please don't include internal header files of the Berkeley db package
+ (it messes up the info required in the Setup file) */
+
+typedef struct {
+ PyObject_HEAD
+ DB *di_bsddb;
+ int di_size; /* -1 means recompute */
+ int di_type;
+#ifdef WITH_THREAD
+ PyThread_type_lock di_lock;
+#endif
+} bsddbobject;
+
+static PyTypeObject Bsddbtype;
+
+#define is_bsddbobject(v) ((v)->ob_type == &Bsddbtype)
+#define check_bsddbobject_open(v, r) if ((v)->di_bsddb == NULL) \
+ { PyErr_SetString(BsddbError, \
+ "BSDDB object has already been closed"); \
+ return r; }
+
+static PyObject *BsddbError;
+
+static PyObject *
+newdbhashobject(char *file, int flags, int mode,
+ int bsize, int ffactor, int nelem, int cachesize,
+ int hash, int lorder)
+{
+ bsddbobject *dp;
+ HASHINFO info;
+
+ if ((dp = PyObject_New(bsddbobject, &Bsddbtype)) == NULL)
+ return NULL;
+
+ info.bsize = bsize;
+ info.ffactor = ffactor;
+ info.nelem = nelem;
+ info.cachesize = cachesize;
+ info.hash = NULL; /* XXX should derive from hash argument */
+ info.lorder = lorder;
+
+#ifdef O_BINARY
+ flags |= O_BINARY;
+#endif
+ Py_BEGIN_ALLOW_THREADS
+ dp->di_bsddb = dbopen(file, flags, mode, DB_HASH, &info);
+ Py_END_ALLOW_THREADS
+ if (dp->di_bsddb == NULL) {
+ PyErr_SetFromErrno(BsddbError);
+#ifdef WITH_THREAD
+ dp->di_lock = NULL;
+#endif
+ Py_DECREF(dp);
+ return NULL;
+ }
+
+ dp->di_size = -1;
+ dp->di_type = DB_HASH;
+
+#ifdef WITH_THREAD
+ dp->di_lock = PyThread_allocate_lock();
+ if (dp->di_lock == NULL) {
+ PyErr_SetString(BsddbError, "can't allocate lock");
+ Py_DECREF(dp);
+ return NULL;
+ }
+#endif
+
+ return (PyObject *)dp;
+}
+
+static PyObject *
+newdbbtobject(char *file, int flags, int mode,
+ int btflags, int cachesize, int maxkeypage,
+ int minkeypage, int psize, int lorder)
+{
+ bsddbobject *dp;
+ BTREEINFO info;
+
+ if ((dp = PyObject_New(bsddbobject, &Bsddbtype)) == NULL)
+ return NULL;
+
+ info.flags = btflags;
+ info.cachesize = cachesize;
+ info.maxkeypage = maxkeypage;
+ info.minkeypage = minkeypage;
+ info.psize = psize;
+ info.lorder = lorder;
+ info.compare = 0; /* Use default comparison functions, for now..*/
+ info.prefix = 0;
+
+#ifdef O_BINARY
+ flags |= O_BINARY;
+#endif
+ Py_BEGIN_ALLOW_THREADS
+ dp->di_bsddb = dbopen(file, flags, mode, DB_BTREE, &info);
+ Py_END_ALLOW_THREADS
+ if (dp->di_bsddb == NULL) {
+ PyErr_SetFromErrno(BsddbError);
+#ifdef WITH_THREAD
+ dp->di_lock = NULL;
+#endif
+ Py_DECREF(dp);
+ return NULL;
+ }
+
+ dp->di_size = -1;
+ dp->di_type = DB_BTREE;
+
+#ifdef WITH_THREAD
+ dp->di_lock = PyThread_allocate_lock();
+ if (dp->di_lock == NULL) {
+ PyErr_SetString(BsddbError, "can't allocate lock");
+ Py_DECREF(dp);
+ return NULL;
+ }
+#endif
+
+ return (PyObject *)dp;
+}
+
+static PyObject *
+newdbrnobject(char *file, int flags, int mode,
+ int rnflags, int cachesize, int psize, int lorder,
+ size_t reclen, u_char bval, char *bfname)
+{
+ bsddbobject *dp;
+ RECNOINFO info;
+ int fd;
+
+ if ((dp = PyObject_New(bsddbobject, &Bsddbtype)) == NULL)
+ return NULL;
+
+ info.flags = rnflags;
+ info.cachesize = cachesize;
+ info.psize = psize;
+ info.lorder = lorder;
+ info.reclen = reclen;
+ info.bval = bval;
+ info.bfname = bfname;
+
+#ifdef O_BINARY
+ flags |= O_BINARY;
+#endif
+ /* This is a hack to avoid a dbopen() bug that happens when
+ * it fails. */
+ fd = open(file, flags);
+ if (fd == -1) {
+ dp->di_bsddb = NULL;
+ }
+ else {
+ close(fd);
+ Py_BEGIN_ALLOW_THREADS
+ dp->di_bsddb = dbopen(file, flags, mode, DB_RECNO, &info);
+ Py_END_ALLOW_THREADS
+ }
+ if (dp->di_bsddb == NULL) {
+ PyErr_SetFromErrno(BsddbError);
+#ifdef WITH_THREAD
+ dp->di_lock = NULL;
+#endif
+ Py_DECREF(dp);
+ return NULL;
+ }
+
+ dp->di_size = -1;
+ dp->di_type = DB_RECNO;
+
+#ifdef WITH_THREAD
+ dp->di_lock = PyThread_allocate_lock();
+ if (dp->di_lock == NULL) {
+ PyErr_SetString(BsddbError, "can't allocate lock");
+ Py_DECREF(dp);
+ return NULL;
+ }
+#endif
+
+ return (PyObject *)dp;
+}
+
+static void
+bsddb_dealloc(bsddbobject *dp)
+{
+#ifdef WITH_THREAD
+ if (dp->di_lock) {
+ PyThread_acquire_lock(dp->di_lock, 0);
+ PyThread_release_lock(dp->di_lock);
+ PyThread_free_lock(dp->di_lock);
+ dp->di_lock = NULL;
+ }
+#endif
+ if (dp->di_bsddb != NULL) {
+ int status;
+ Py_BEGIN_ALLOW_THREADS
+ status = (dp->di_bsddb->close)(dp->di_bsddb);
+ Py_END_ALLOW_THREADS
+ if (status != 0)
+ fprintf(stderr,
+ "Python bsddb: close errno %d in dealloc\n",
+ errno);
+ }
+ PyObject_Del(dp);
+}
+
+#ifdef WITH_THREAD
+#define BSDDB_BGN_SAVE(_dp) \
+ Py_BEGIN_ALLOW_THREADS PyThread_acquire_lock(_dp->di_lock,1);
+#define BSDDB_END_SAVE(_dp) \
+ PyThread_release_lock(_dp->di_lock); Py_END_ALLOW_THREADS
+#else
+#define BSDDB_BGN_SAVE(_dp) Py_BEGIN_ALLOW_THREADS
+#define BSDDB_END_SAVE(_dp) Py_END_ALLOW_THREADS
+#endif
+
+static Py_ssize_t
+bsddb_length(bsddbobject *dp)
+{
+ check_bsddbobject_open(dp, -1);
+ if (dp->di_size < 0) {
+ DBT krec, drec;
+ int status;
+ int size = 0;
+ BSDDB_BGN_SAVE(dp)
+ for (status = (dp->di_bsddb->seq)(dp->di_bsddb,
+ &krec, &drec,R_FIRST);
+ status == 0;
+ status = (dp->di_bsddb->seq)(dp->di_bsddb,
+ &krec, &drec, R_NEXT))
+ size++;
+ BSDDB_END_SAVE(dp)
+ if (status < 0) {
+ PyErr_SetFromErrno(BsddbError);
+ return -1;
+ }
+ dp->di_size = size;
+ }
+ return dp->di_size;
+}
+
+static PyObject *
+bsddb_subscript(bsddbobject *dp, PyObject *key)
+{
+ int status;
+ DBT krec, drec;
+ char *data,buf[4096];
+ int size;
+ PyObject *result;
+ recno_t recno;
+
+ if (dp->di_type == DB_RECNO) {
+ if (!PyArg_Parse(key, "i", &recno)) {
+ PyErr_SetString(PyExc_TypeError,
+ "key type must be integer");
+ return NULL;
+ }
+ krec.data = &recno;
+ krec.size = sizeof(recno);
+ }
+ else {
+ if (!PyArg_Parse(key, "s#", &data, &size)) {
+ PyErr_SetString(PyExc_TypeError,
+ "key type must be string");
+ return NULL;
+ }
+ krec.data = data;
+ krec.size = size;
+ }
+ check_bsddbobject_open(dp, NULL);
+
+ BSDDB_BGN_SAVE(dp)
+ status = (dp->di_bsddb->get)(dp->di_bsddb, &krec, &drec, 0);
+ if (status == 0) {
+ if (drec.size > sizeof(buf)) data = malloc(drec.size);
+ else data = buf;
+ if (data!=NULL) memcpy(data,drec.data,drec.size);
+ }
+ BSDDB_END_SAVE(dp)
+ if (data==NULL) return PyErr_NoMemory();
+ if (status != 0) {
+ if (status < 0)
+ PyErr_SetFromErrno(BsddbError);
+ else
+ PyErr_SetObject(PyExc_KeyError, key);
+ return NULL;
+ }
+
+ result = PyString_FromStringAndSize(data, (int)drec.size);
+ if (data != buf) free(data);
+ return result;
+}
+
+static int
+bsddb_ass_sub(bsddbobject *dp, PyObject *key, PyObject *value)
+{
+ int status;
+ DBT krec, drec;
+ char *data;
+ int size;
+ recno_t recno;
+
+ if (dp->di_type == DB_RECNO) {
+ if (!PyArg_Parse(key, "i", &recno)) {
+ PyErr_SetString(PyExc_TypeError,
+ "bsddb key type must be integer");
+ return -1;
+ }
+ krec.data = &recno;
+ krec.size = sizeof(recno);
+ }
+ else {
+ if (!PyArg_Parse(key, "s#", &data, &size)) {
+ PyErr_SetString(PyExc_TypeError,
+ "bsddb key type must be string");
+ return -1;
+ }
+ krec.data = data;
+ krec.size = size;
+ }
+ check_bsddbobject_open(dp, -1);
+ dp->di_size = -1;
+ if (value == NULL) {
+ BSDDB_BGN_SAVE(dp)
+ status = (dp->di_bsddb->del)(dp->di_bsddb, &krec, 0);
+ BSDDB_END_SAVE(dp)
+ }
+ else {
+ if (!PyArg_Parse(value, "s#", &data, &size)) {
+ PyErr_SetString(PyExc_TypeError,
+ "bsddb value type must be string");
+ return -1;
+ }
+ drec.data = data;
+ drec.size = size;
+ BSDDB_BGN_SAVE(dp)
+ status = (dp->di_bsddb->put)(dp->di_bsddb, &krec, &drec, 0);
+ BSDDB_END_SAVE(dp)
+ }
+ if (status != 0) {
+ if (status < 0)
+ PyErr_SetFromErrno(BsddbError);
+ else
+ PyErr_SetObject(PyExc_KeyError, key);
+ return -1;
+ }
+ return 0;
+}
+
+static PyMappingMethods bsddb_as_mapping = {
+ (lenfunc)bsddb_length, /*mp_length*/
+ (binaryfunc)bsddb_subscript, /*mp_subscript*/
+ (objobjargproc)bsddb_ass_sub, /*mp_ass_subscript*/
+};
+
+static PyObject *
+bsddb_close(bsddbobject *dp)
+{
+ if (dp->di_bsddb != NULL) {
+ int status;
+ BSDDB_BGN_SAVE(dp)
+ status = (dp->di_bsddb->close)(dp->di_bsddb);
+ BSDDB_END_SAVE(dp)
+ if (status != 0) {
+ dp->di_bsddb = NULL;
+ PyErr_SetFromErrno(BsddbError);
+ return NULL;
+ }
+ }
+ dp->di_bsddb = NULL;
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+static PyObject *
+bsddb_keys(bsddbobject *dp)
+{
+ PyObject *list, *item=NULL;
+ DBT krec, drec;
+ char *data=NULL,buf[4096];
+ int status;
+ int err;
+
+ check_bsddbobject_open(dp, NULL);
+ list = PyList_New(0);
+ if (list == NULL)
+ return NULL;
+ BSDDB_BGN_SAVE(dp)
+ status = (dp->di_bsddb->seq)(dp->di_bsddb, &krec, &drec, R_FIRST);
+ if (status == 0) {
+ if (krec.size > sizeof(buf)) data = malloc(krec.size);
+ else data = buf;
+ if (data != NULL) memcpy(data,krec.data,krec.size);
+ }
+ BSDDB_END_SAVE(dp)
+ if (status == 0 && data==NULL) return PyErr_NoMemory();
+ while (status == 0) {
+ if (dp->di_type == DB_RECNO)
+ item = PyInt_FromLong(*((int*)data));
+ else
+ item = PyString_FromStringAndSize(data,
+ (int)krec.size);
+ if (data != buf) free(data);
+ if (item == NULL) {
+ Py_DECREF(list);
+ return NULL;
+ }
+ err = PyList_Append(list, item);
+ Py_DECREF(item);
+ if (err != 0) {
+ Py_DECREF(list);
+ return NULL;
+ }
+ BSDDB_BGN_SAVE(dp)
+ status = (dp->di_bsddb->seq)
+ (dp->di_bsddb, &krec, &drec, R_NEXT);
+ if (status == 0) {
+ if (krec.size > sizeof(buf))
+ data = malloc(krec.size);
+ else data = buf;
+ if (data != NULL)
+ memcpy(data,krec.data,krec.size);
+ }
+ BSDDB_END_SAVE(dp)
+ if (data == NULL) return PyErr_NoMemory();
+ }
+ if (status < 0) {
+ PyErr_SetFromErrno(BsddbError);
+ Py_DECREF(list);
+ return NULL;
+ }
+ if (dp->di_size < 0)
+ dp->di_size = PyList_Size(list); /* We just did the work */
+ return list;
+}
+
+static PyObject *
+bsddb_has_key(bsddbobject *dp, PyObject *args)
+{
+ DBT krec, drec;
+ int status;
+ char *data;
+ int size;
+ recno_t recno;
+
+ if (dp->di_type == DB_RECNO) {
+ if (!PyArg_ParseTuple(args, "i;key type must be integer",
+ &recno)) {
+ return NULL;
+ }
+ krec.data = &recno;
+ krec.size = sizeof(recno);
+ }
+ else {
+ if (!PyArg_ParseTuple(args, "s#;key type must be string",
+ &data, &size)) {
+ return NULL;
+ }
+ krec.data = data;
+ krec.size = size;
+ }
+ check_bsddbobject_open(dp, NULL);
+
+ BSDDB_BGN_SAVE(dp)
+ status = (dp->di_bsddb->get)(dp->di_bsddb, &krec, &drec, 0);
+ BSDDB_END_SAVE(dp)
+ if (status < 0) {
+ PyErr_SetFromErrno(BsddbError);
+ return NULL;
+ }
+
+ return PyInt_FromLong(status == 0);
+}
+
+static PyObject *
+bsddb_set_location(bsddbobject *dp, PyObject *key)
+{
+ int status;
+ DBT krec, drec;
+ char *data,buf[4096];
+ int size;
+ PyObject *result;
+ recno_t recno;
+
+ if (dp->di_type == DB_RECNO) {
+ if (!PyArg_ParseTuple(key, "i;key type must be integer",
+ &recno)) {
+ return NULL;
+ }
+ krec.data = &recno;
+ krec.size = sizeof(recno);
+ }
+ else {
+ if (!PyArg_ParseTuple(key, "s#;key type must be string",
+ &data, &size)) {
+ return NULL;
+ }
+ krec.data = data;
+ krec.size = size;
+ }
+ check_bsddbobject_open(dp, NULL);
+
+ BSDDB_BGN_SAVE(dp)
+ status = (dp->di_bsddb->seq)(dp->di_bsddb, &krec, &drec, R_CURSOR);
+ if (status == 0) {
+ if (drec.size > sizeof(buf)) data = malloc(drec.size);
+ else data = buf;
+ if (data!=NULL) memcpy(data,drec.data,drec.size);
+ }
+ BSDDB_END_SAVE(dp)
+ if (data==NULL) return PyErr_NoMemory();
+ if (status != 0) {
+ if (status < 0)
+ PyErr_SetFromErrno(BsddbError);
+ else
+ PyErr_SetObject(PyExc_KeyError, key);
+ return NULL;
+ }
+
+ if (dp->di_type == DB_RECNO)
+ result = Py_BuildValue("is#", *((int*)krec.data),
+ data, drec.size);
+ else
+ result = Py_BuildValue("s#s#", krec.data, krec.size,
+ data, drec.size);
+ if (data != buf) free(data);
+ return result;
+}
+
+static PyObject *
+bsddb_seq(bsddbobject *dp, int sequence_request)
+{
+ int status;
+ DBT krec, drec;
+ char *kdata=NULL,kbuf[4096];
+ char *ddata=NULL,dbuf[4096];
+ PyObject *result;
+
+ check_bsddbobject_open(dp, NULL);
+ krec.data = 0;
+ krec.size = 0;
+
+ BSDDB_BGN_SAVE(dp)
+ status = (dp->di_bsddb->seq)(dp->di_bsddb, &krec,
+ &drec, sequence_request);
+ if (status == 0) {
+ if (krec.size > sizeof(kbuf)) kdata = malloc(krec.size);
+ else kdata = kbuf;
+ if (kdata != NULL) memcpy(kdata,krec.data,krec.size);
+ if (drec.size > sizeof(dbuf)) ddata = malloc(drec.size);
+ else ddata = dbuf;
+ if (ddata != NULL) memcpy(ddata,drec.data,drec.size);
+ }
+ BSDDB_END_SAVE(dp)
+ if (status == 0) {
+ if ((kdata == NULL) || (ddata == NULL))
+ return PyErr_NoMemory();
+ }
+ else {
+ /* (status != 0) */
+ if (status < 0)
+ PyErr_SetFromErrno(BsddbError);
+ else
+ PyErr_SetString(PyExc_KeyError, "no key/data pairs");
+ return NULL;
+ }
+
+ if (dp->di_type == DB_RECNO)
+ result = Py_BuildValue("is#", *((int*)kdata),
+ ddata, drec.size);
+ else
+ result = Py_BuildValue("s#s#", kdata, krec.size,
+ ddata, drec.size);
+ if (kdata != kbuf) free(kdata);
+ if (ddata != dbuf) free(ddata);
+ return result;
+}
+
+static PyObject *
+bsddb_next(bsddbobject *dp)
+{
+ return bsddb_seq(dp, R_NEXT);
+}
+static PyObject *
+bsddb_previous(bsddbobject *dp)
+{
+ return bsddb_seq(dp, R_PREV);
+}
+static PyObject *
+bsddb_first(bsddbobject *dp)
+{
+ return bsddb_seq(dp, R_FIRST);
+}
+static PyObject *
+bsddb_last(bsddbobject *dp)
+{
+ return bsddb_seq(dp, R_LAST);
+}
+static PyObject *
+bsddb_sync(bsddbobject *dp)
+{
+ int status;
+
+ check_bsddbobject_open(dp, NULL);
+ BSDDB_BGN_SAVE(dp)
+ status = (dp->di_bsddb->sync)(dp->di_bsddb, 0);
+ BSDDB_END_SAVE(dp)
+ if (status != 0) {
+ PyErr_SetFromErrno(BsddbError);
+ return NULL;
+ }
+ return PyInt_FromLong(status = 0);
+}
+static PyMethodDef bsddb_methods[] = {
+ {"close", (PyCFunction)bsddb_close, METH_NOARGS},
+ {"keys", (PyCFunction)bsddb_keys, METH_NOARGS},
+ {"has_key", (PyCFunction)bsddb_has_key, METH_VARARGS},
+ {"set_location", (PyCFunction)bsddb_set_location, METH_VARARGS},
+ {"next", (PyCFunction)bsddb_next, METH_NOARGS},
+ {"previous", (PyCFunction)bsddb_previous, METH_NOARGS},
+ {"first", (PyCFunction)bsddb_first, METH_NOARGS},
+ {"last", (PyCFunction)bsddb_last, METH_NOARGS},
+ {"sync", (PyCFunction)bsddb_sync, METH_NOARGS},
+ {NULL, NULL} /* sentinel */
+};
+
+static PyObject *
+bsddb_getattr(PyObject *dp, char *name)
+{
+ return Py_FindMethod(bsddb_methods, dp, name);
+}
+
+static PyTypeObject Bsddbtype = {
+ PyObject_HEAD_INIT(NULL)
+ 0,
+ "bsddb.bsddb",
+ sizeof(bsddbobject),
+ 0,
+ (destructor)bsddb_dealloc, /*tp_dealloc*/
+ 0, /*tp_print*/
+ (getattrfunc)bsddb_getattr, /*tp_getattr*/
+ 0, /*tp_setattr*/
+ 0, /*tp_compare*/
+ 0, /*tp_repr*/
+ 0, /*tp_as_number*/
+ 0, /*tp_as_sequence*/
+ &bsddb_as_mapping, /*tp_as_mapping*/
+};
+
+static PyObject *
+bsdhashopen(PyObject *self, PyObject *args)
+{
+ char *file;
+ char *flag = NULL;
+ int flags = O_RDONLY;
+ int mode = 0666;
+ int bsize = 0;
+ int ffactor = 0;
+ int nelem = 0;
+ int cachesize = 0;
+ int hash = 0; /* XXX currently ignored */
+ int lorder = 0;
+
+ if (!PyArg_ParseTuple(args, "z|siiiiiii:hashopen",
+ &file, &flag, &mode,
+ &bsize, &ffactor, &nelem, &cachesize,
+ &hash, &lorder))
+ return NULL;
+ if (flag != NULL) {
+ /* XXX need to pass O_EXCL, O_EXLOCK, O_NONBLOCK, O_SHLOCK */
+ if (flag[0] == 'r')
+ flags = O_RDONLY;
+ else if (flag[0] == 'w')
+ flags = O_RDWR;
+ else if (flag[0] == 'c')
+ flags = O_RDWR|O_CREAT;
+ else if (flag[0] == 'n')
+ flags = O_RDWR|O_CREAT|O_TRUNC;
+ else {
+ PyErr_SetString(BsddbError,
+ "Flag should begin with 'r', 'w', 'c' or 'n'");
+ return NULL;
+ }
+ if (flag[1] == 'l') {
+#if defined(O_EXLOCK) && defined(O_SHLOCK)
+ if (flag[0] == 'r')
+ flags |= O_SHLOCK;
+ else
+ flags |= O_EXLOCK;
+#else
+ PyErr_SetString(BsddbError,
+ "locking not supported on this platform");
+ return NULL;
+#endif
+ }
+ }
+ return newdbhashobject(file, flags, mode,
+ bsize, ffactor, nelem, cachesize, hash, lorder);
+}
+
+static PyObject *
+bsdbtopen(PyObject *self, PyObject *args)
+{
+ char *file;
+ char *flag = NULL;
+ int flags = O_RDONLY;
+ int mode = 0666;
+ int cachesize = 0;
+ int maxkeypage = 0;
+ int minkeypage = 0;
+ int btflags = 0;
+ unsigned int psize = 0;
+ int lorder = 0;
+
+ if (!PyArg_ParseTuple(args, "z|siiiiiii:btopen",
+ &file, &flag, &mode,
+ &btflags, &cachesize, &maxkeypage, &minkeypage,
+ &psize, &lorder))
+ return NULL;
+ if (flag != NULL) {
+ /* XXX need to pass O_EXCL, O_EXLOCK, O_NONBLOCK, O_SHLOCK */
+ if (flag[0] == 'r')
+ flags = O_RDONLY;
+ else if (flag[0] == 'w')
+ flags = O_RDWR;
+ else if (flag[0] == 'c')
+ flags = O_RDWR|O_CREAT;
+ else if (flag[0] == 'n')
+ flags = O_RDWR|O_CREAT|O_TRUNC;
+ else {
+ PyErr_SetString(BsddbError,
+ "Flag should begin with 'r', 'w', 'c' or 'n'");
+ return NULL;
+ }
+ if (flag[1] == 'l') {
+#if defined(O_EXLOCK) && defined(O_SHLOCK)
+ if (flag[0] == 'r')
+ flags |= O_SHLOCK;
+ else
+ flags |= O_EXLOCK;
+#else
+ PyErr_SetString(BsddbError,
+ "locking not supported on this platform");
+ return NULL;
+#endif
+ }
+ }
+ return newdbbtobject(file, flags, mode,
+ btflags, cachesize, maxkeypage, minkeypage,
+ psize, lorder);
+}
+
+static PyObject *
+bsdrnopen(PyObject *self, PyObject *args)
+{
+ char *file;
+ char *flag = NULL;
+ int flags = O_RDONLY;
+ int mode = 0666;
+ int cachesize = 0;
+ int rnflags = 0;
+ unsigned int psize = 0;
+ int lorder = 0;
+ size_t reclen = 0;
+ char *bval = "";
+ char *bfname = NULL;
+
+ if (!PyArg_ParseTuple(args, "z|siiiiiiss:rnopen",
+ &file, &flag, &mode,
+ &rnflags, &cachesize, &psize, &lorder,
+ &reclen, &bval, &bfname))
+ return NULL;
+
+ if (flag != NULL) {
+ /* XXX need to pass O_EXCL, O_EXLOCK, O_NONBLOCK, O_SHLOCK */
+ if (flag[0] == 'r')
+ flags = O_RDONLY;
+ else if (flag[0] == 'w')
+ flags = O_RDWR;
+ else if (flag[0] == 'c')
+ flags = O_RDWR|O_CREAT;
+ else if (flag[0] == 'n')
+ flags = O_RDWR|O_CREAT|O_TRUNC;
+ else {
+ PyErr_SetString(BsddbError,
+ "Flag should begin with 'r', 'w', 'c' or 'n'");
+ return NULL;
+ }
+ if (flag[1] == 'l') {
+#if defined(O_EXLOCK) && defined(O_SHLOCK)
+ if (flag[0] == 'r')
+ flags |= O_SHLOCK;
+ else
+ flags |= O_EXLOCK;
+#else
+ PyErr_SetString(BsddbError,
+ "locking not supported on this platform");
+ return NULL;
+#endif
+ }
+ else if (flag[1] != '\0') {
+ PyErr_SetString(BsddbError,
+ "Flag char 2 should be 'l' or absent");
+ return NULL;
+ }
+ }
+ return newdbrnobject(file, flags, mode, rnflags, cachesize,
+ psize, lorder, reclen, bval[0], bfname);
+}
+
+static PyMethodDef bsddbmodule_methods[] = {
+ {"hashopen", (PyCFunction)bsdhashopen, METH_VARARGS},
+ {"btopen", (PyCFunction)bsdbtopen, METH_VARARGS},
+ {"rnopen", (PyCFunction)bsdrnopen, METH_VARARGS},
+ /* strictly for use by dbhhash!!! */
+ {"open", (PyCFunction)bsdhashopen, METH_VARARGS},
+ {0, 0},
+};
+
+PyMODINIT_FUNC
+initbsddb185(void) {
+ PyObject *m, *d;
+
+ if (PyErr_WarnPy3k("the bsddb185 module has been removed in "
+ "Python 3.0", 2) < 0)
+ return;
+
+ Bsddbtype.ob_type = &PyType_Type;
+ m = Py_InitModule("bsddb185", bsddbmodule_methods);
+ if (m == NULL)
+ return;
+ d = PyModule_GetDict(m);
+ BsddbError = PyErr_NewException("bsddb.error", NULL, NULL);
+ if (BsddbError != NULL)
+ PyDict_SetItemString(d, "error", BsddbError);
+}