diff options
Diffstat (limited to 'rdiff-backup/src/cmodule.c')
| -rw-r--r-- | rdiff-backup/src/cmodule.c | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/rdiff-backup/src/cmodule.c b/rdiff-backup/src/cmodule.c deleted file mode 100644 index b9e3e3e..0000000 --- a/rdiff-backup/src/cmodule.c +++ /dev/null @@ -1,217 +0,0 @@ -/* ----------------------------------------------------------------------- * - * - * Copyright 2002 Ben Escoto - * - * This file is part of rdiff-backup. - * - * rdiff-backup is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, Inc., 675 Mass Ave, - * Cambridge MA 02139, USA; either version 2 of the License, or (at - * your option) any later version; incorporated herein by reference. - * - * ----------------------------------------------------------------------- */ - - -#include <Python.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> -#include <errno.h> - -/* choose the appropriate stat and fstat functions and return structs */ -/* This code taken from Python's posixmodule.c */ -#undef STAT -#if defined(MS_WIN64) || defined(MS_WIN32) -# define STAT _stati64 -# define FSTAT _fstati64 -# define STRUCT_STAT struct _stati64 -#else -# define STAT stat -# define FSTAT fstat -# define STRUCT_STAT struct stat -#endif - -static PyObject *UnknownFileTypeError; -static PyObject *c_make_file_dict(PyObject *self, PyObject *args); -static PyObject *long2str(PyObject *self, PyObject *args); -static PyObject *str2long(PyObject *self, PyObject *args); - - -/* Turn a stat structure into a python dictionary. The preprocessor - stuff taken from Python's posixmodule.c */ -static PyObject *c_make_file_dict(self, args) - PyObject *self; - PyObject *args; -{ - PyObject *size, *inode, *mtime, *atime, *devloc, *return_val; - char *filename, filetype[5]; - STRUCT_STAT sbuf; - long int mode, perms; - int res; - - if (!PyArg_ParseTuple(args, "s", &filename)) return NULL; - - Py_BEGIN_ALLOW_THREADS - res = lstat(filename, &sbuf); - Py_END_ALLOW_THREADS - - if (res != 0) { - if (errno == ENOENT || errno == ENOTDIR) - return Py_BuildValue("{s:s}", "type", NULL); - else { - PyErr_SetFromErrnoWithFilename(PyExc_OSError, filename); - return NULL; - } - } -#ifdef HAVE_LARGEFILE_SUPPORT - size = PyLong_FromLongLong((LONG_LONG)sbuf.st_size); - inode = PyLong_FromLongLong((LONG_LONG)sbuf.st_ino); -#else - size = PyInt_FromLong(sbuf.st_size); - inode = PyInt_FromLong((long)sbuf.st_ino); -#endif - mode = (long)sbuf.st_mode; - perms = mode & 07777; -#if defined(HAVE_LONG_LONG) && !defined(MS_WINDOWS) - devloc = PyLong_FromLongLong((LONG_LONG)sbuf.st_dev); -#else - devloc = PyInt_FromLong((long)sbuf.st_dev); -#endif -#if SIZEOF_TIME_T > SIZEOF_LONG - mtime = PyLong_FromLongLong((LONG_LONG)sbuf.st_mtime); - atime = PyLong_FromLongLong((LONG_LONG)sbuf.st_atime); -#else - mtime = PyInt_FromLong((long)sbuf.st_mtime); - atime = PyInt_FromLong((long)sbuf.st_atime); -#endif - - /* Build return dictionary from stat struct */ - if (S_ISREG(mode) || S_ISDIR(mode) || S_ISSOCK(mode) || S_ISFIFO(mode)) { - /* Regular files, directories, sockets, and fifos */ - if S_ISREG(mode) strcpy(filetype, "reg"); - else if S_ISDIR(mode) strcpy(filetype, "dir"); - else if S_ISSOCK(mode) strcpy(filetype, "sock"); - else strcpy(filetype, "fifo"); - return_val = Py_BuildValue("{s:s,s:O,s:l,s:l,s:l,s:O,s:O,s:l,s:O,s:O}", - "type", filetype, - "size", size, - "perms", perms, - "uid", (long)sbuf.st_uid, - "gid", (long)sbuf.st_gid, - "inode", inode, - "devloc", devloc, - "nlink", (long)sbuf.st_nlink, - "mtime", mtime, - "atime", atime); - } else if S_ISLNK(mode) { - /* Symbolic links */ - char linkname[1024]; - int len_link = readlink(filename, linkname, 1023); - if (len_link < 0) { - PyErr_SetFromErrno(PyExc_OSError); - return_val = NULL; - } else { - linkname[len_link] = '\0'; - return_val = Py_BuildValue("{s:s,s:O,s:l,s:l,s:l,s:O,s:O,s:l,s:s}", - "type", "sym", - "size", size, - "perms", perms, - "uid", (long)sbuf.st_uid, - "gid", (long)sbuf.st_gid, - "inode", inode, - "devloc", devloc, - "nlink", (long)sbuf.st_nlink, - "linkname", linkname); - } - } else if (S_ISCHR(mode) || S_ISBLK(mode)) { - /* Device files */ - char devtype[2]; -#if defined(HAVE_LONG_LONG) && !defined(MS_WINDOWS) - LONG_LONG devnums = (LONG_LONG)sbuf.st_rdev; - PyObject *major_num = PyLong_FromLongLong(major(devnums)); -#else - long int devnums = (long)sbuf.st_dev; - PyObject *major_num = PyInt_FromLong(devnums >> 8); -#endif - int minor_num = (int)(minor(devnums)); - if S_ISCHR(mode) strcpy(devtype, "c"); - else strcpy(devtype, "b"); - return_val = Py_BuildValue("{s:s,s:O,s:l,s:l,s:l,s:O,s:O,s:l,s:N}", - "type", "dev", - "size", size, - "perms", perms, - "uid", (long)sbuf.st_uid, - "gid", (long)sbuf.st_gid, - "inode", inode, - "devloc", devloc, - "nlink", (long)sbuf.st_nlink, - "devnums", Py_BuildValue("(s,O,i)", devtype, - major_num, minor_num)); - Py_DECREF(major_num); - } else { - /* Unrecognized file type - raise exception */ - PyErr_SetString(UnknownFileTypeError, filename); - return_val = NULL; - } - Py_DECREF(size); - Py_DECREF(inode); - Py_DECREF(devloc); - Py_DECREF(mtime); - Py_DECREF(atime); - return return_val; -} - - -/* Convert python long into 7 byte string */ -static PyObject *long2str(self, args) - PyObject *self; - PyObject *args; -{ - unsigned char s[7]; - PyLongObject *pylong; - PyObject *return_val; - - if (!PyArg_ParseTuple(args, "O!", &PyLong_Type, &pylong)) return NULL; - if (_PyLong_AsByteArray(pylong, s, 7, 0, 0) != 0) return NULL; - else return Py_BuildValue("s#", s, 7); - return return_val; -} - - -/* Reverse of above; convert 7 byte string into python long */ -static PyObject *str2long(self, args) - PyObject *self; - PyObject *args; -{ - unsigned char *s; - int ssize; - - if (!PyArg_ParseTuple(args, "s#", &s, &ssize)) return NULL; - if (ssize != 7) { - PyErr_SetString(PyExc_TypeError, "Single argument must be 7 char string"); - return NULL; - } - return _PyLong_FromByteArray(s, 7, 0, 0); -} - - -static PyMethodDef CMethods[] = { - {"make_file_dict", c_make_file_dict, METH_VARARGS, - "Make dictionary from file stat"}, - {"long2str", long2str, METH_VARARGS, "Convert python long to 7 byte string"}, - {"str2long", str2long, METH_VARARGS, "Convert 7 byte string to python long"}, - {NULL, NULL, 0, NULL} -}; - -void initC(void) -{ - PyObject *m, *d; - - m = Py_InitModule("C", CMethods); - d = PyModule_GetDict(m); - UnknownFileTypeError = PyErr_NewException("C.UnknownFileTypeError", - NULL, NULL); - PyDict_SetItemString(d, "UnknownFileTypeError", UnknownFileTypeError); -} - |