mirror of https://github.com/python/cpython
728 lines
15 KiB
C
728 lines
15 KiB
C
/***********************************************************
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Copyright 1991-1997 by Stichting Mathematisch Centrum, Amsterdam,
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The Netherlands.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the names of Stichting Mathematisch
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Centrum or CWI not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior permission.
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STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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******************************************************************/
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/* Mac module implementation */
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#include "Python.h"
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#include "structseq.h"
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#include "ceval.h"
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#ifdef USE_GUSI
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/* Remove defines from macstat.h */
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#undef S_IFMT
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#undef S_IFDIR
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#undef S_IFREG
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#undef S_IREAD
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#undef S_IWRITE
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#undef S_IEXEC
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#include <sys/types.h>
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#include <sys/stat.h>
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#else /* USE_GUSI */
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#endif /* USE_GUSI */
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#ifdef USE_GUSI2
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#include <unistd.h>
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#include <fcntl.h>
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#else
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#define mode_t int
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#include <fcntl.h>
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#ifdef _POSIX
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#include <unistd.h>
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#include <stat.h>
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#endif
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#endif
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/* Optional routines, for some compiler/runtime combinations */
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#if defined(USE_GUSI) || !defined(__MWERKS__)
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#define WEHAVE_FDOPEN
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#endif
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#if defined(MPW) || defined(USE_GUSI)
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#define WEHAVE_DUP
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#endif
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#if defined(USE_GUSI)
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#define WEHAVE_FSTAT
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#endif
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#include "macdefs.h"
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#ifdef USE_GUSI
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#include <dirent.h>
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#else
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#include "dirent.h"
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#endif
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#ifndef MAXPATHLEN
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#define MAXPATHLEN 1024
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#endif
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/* Prototypes for Unix simulation on Mac */
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#ifndef USE_GUSI
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int chdir(const char *path);
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int mkdir(const char *path, int mode);
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DIR * opendir(char *);
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void closedir(DIR *);
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struct dirent * readdir(DIR *);
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int rmdir(const char *path);
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int sync(void);
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int unlink(const char *);
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#endif /* USE_GUSI */
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char *getwd(char *);
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char *getbootvol(void);
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/* Set a MAC-specific error from errno, and return NULL */
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static PyObject *
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mac_error()
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{
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return PyErr_SetFromErrno(PyExc_OSError);
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}
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/* MAC generic methods */
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static PyObject *
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mac_1str(args, func)
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PyObject *args;
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int (*func)(const char *);
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{
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char *path1;
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int res;
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if (!PyArg_ParseTuple(args, "s", &path1))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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res = (*func)(path1);
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Py_END_ALLOW_THREADS
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if (res < 0)
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return mac_error();
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Py_INCREF(Py_None);
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return Py_None;
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}
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static PyObject *
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mac_2str(args, func)
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PyObject *args;
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int (*func)(const char *, const char *);
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{
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char *path1, *path2;
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int res;
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if (!PyArg_ParseTuple(args, "ss", &path1, &path2))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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res = (*func)(path1, path2);
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Py_END_ALLOW_THREADS
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if (res < 0)
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return mac_error();
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Py_INCREF(Py_None);
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return Py_None;
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}
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static PyObject *
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mac_strint(args, func)
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PyObject *args;
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int (*func)(const char *, int);
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{
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char *path;
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int i;
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int res;
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if (!PyArg_ParseTuple(args, "si", &path, &i))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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res = (*func)(path, i);
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Py_END_ALLOW_THREADS
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if (res < 0)
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return mac_error();
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Py_INCREF(Py_None);
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return Py_None;
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}
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static PyObject *
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mac_chdir(self, args)
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PyObject *self;
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PyObject *args;
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{
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return mac_1str(args, chdir);
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}
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static PyObject *
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mac_close(self, args)
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PyObject *self;
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PyObject *args;
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{
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int fd, res;
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if (!PyArg_ParseTuple(args, "i", &fd))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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res = close(fd);
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Py_END_ALLOW_THREADS
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if (res < 0)
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return mac_error();
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Py_INCREF(Py_None);
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return Py_None;
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}
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#ifdef WEHAVE_DUP
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static PyObject *
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mac_dup(self, args)
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PyObject *self;
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PyObject *args;
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{
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int fd;
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if (!PyArg_ParseTuple(args, "i", &fd))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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fd = dup(fd);
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Py_END_ALLOW_THREADS
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if (fd < 0)
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return mac_error();
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return PyInt_FromLong((long)fd);
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}
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#endif
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#ifdef WEHAVE_FDOPEN
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static PyObject *
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mac_fdopen(self, args)
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PyObject *self;
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PyObject *args;
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{
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extern int fclose(FILE *);
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int fd;
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char *mode = "r";
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int bufsize = -1;
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FILE *fp;
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PyObject *f;
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if (!PyArg_ParseTuple(args, "i|si", &fd, &mode, &bufsize))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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fp = fdopen(fd, mode);
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Py_END_ALLOW_THREADS
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if (fp == NULL)
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return mac_error();
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f = PyFile_FromFile(fp, "<fdopen>", mode, fclose);
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if (f != NULL)
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PyFile_SetBufSize(f, bufsize);
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return f;
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}
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#endif
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static PyObject *
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mac_getcwd(self, args)
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PyObject *self;
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PyObject *args;
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{
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char path[MAXPATHLEN];
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char *res;
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if (!PyArg_ParseTuple(args, ""))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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#ifdef USE_GUSI
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res = getcwd(path, sizeof path);
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#else
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res = getwd(path);
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#endif
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Py_END_ALLOW_THREADS
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if (res == NULL) {
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return mac_error();
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}
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return PyString_FromString(res);
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}
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static PyObject *
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mac_listdir(self, args)
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PyObject *self;
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PyObject *args;
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{
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char *name;
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PyObject *d, *v;
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DIR *dirp;
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struct dirent *ep;
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if (!PyArg_ParseTuple(args, "s", &name))
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return NULL;
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#ifdef USE_GUSI
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/* Work around a bug in GUSI: if you opendir() a file it will
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** actually opendir() the parent directory.
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*/
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{
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struct stat stb;
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int res;
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res = stat(name, &stb);
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if ( res < 0 )
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return mac_error();
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if (!S_ISDIR(stb.st_mode) ) {
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errno = ENOTDIR;
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return mac_error();
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}
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}
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#endif
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Py_BEGIN_ALLOW_THREADS
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if ((dirp = opendir(name)) == NULL) {
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Py_BLOCK_THREADS
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return mac_error();
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}
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if ((d = PyList_New(0)) == NULL) {
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closedir(dirp);
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Py_BLOCK_THREADS
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return NULL;
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}
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while ((ep = readdir(dirp)) != NULL) {
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v = PyString_FromString(ep->d_name);
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if (v == NULL) {
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Py_DECREF(d);
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d = NULL;
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break;
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}
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if (PyList_Append(d, v) != 0) {
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Py_DECREF(v);
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Py_DECREF(d);
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d = NULL;
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break;
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}
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Py_DECREF(v);
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}
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closedir(dirp);
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Py_END_ALLOW_THREADS
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return d;
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}
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static PyObject *
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mac_lseek(self, args)
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PyObject *self;
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PyObject *args;
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{
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int fd;
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int where;
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int how;
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long res;
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if (!PyArg_ParseTuple(args, "iii", &fd, &where, &how))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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res = lseek(fd, (long)where, how);
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Py_END_ALLOW_THREADS
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if (res < 0)
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return mac_error();
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return PyInt_FromLong(res);
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}
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static PyObject *
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mac_mkdir(self, args)
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PyObject *self;
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PyObject *args;
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{
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int res;
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char *path;
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int mode = 0777; /* Unused */
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if (!PyArg_ParseTuple(args, "s|i", &path, &mode))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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res = mkdir(path, mode);
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Py_END_ALLOW_THREADS
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if (res < 0)
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return mac_error();
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Py_INCREF(Py_None);
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return Py_None;
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}
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static PyObject *
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mac_open(self, args)
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PyObject *self;
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PyObject *args;
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{
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char *path;
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int mode;
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int perm; /* Accepted but ignored */
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int fd;
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if (!PyArg_ParseTuple(args, "si|i", &path, &mode, &perm))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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fd = open(path, mode);
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Py_END_ALLOW_THREADS
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if (fd < 0)
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return mac_error();
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return PyInt_FromLong((long)fd);
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}
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static PyObject *
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mac_read(self, args)
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PyObject *self;
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PyObject *args;
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{
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int fd, size;
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PyObject *buffer;
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if (!PyArg_ParseTuple(args, "ii", &fd, &size))
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return NULL;
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buffer = PyString_FromStringAndSize((char *)NULL, size);
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if (buffer == NULL)
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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size = read(fd, PyString_AsString(buffer), size);
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Py_END_ALLOW_THREADS
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if (size < 0) {
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Py_DECREF(buffer);
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return mac_error();
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}
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_PyString_Resize(&buffer, size);
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return buffer;
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}
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static PyObject *
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mac_rename(self, args)
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PyObject *self;
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PyObject *args;
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{
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return mac_2str(args, rename);
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}
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static PyObject *
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mac_rmdir(self, args)
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PyObject *self;
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PyObject *args;
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{
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return mac_1str(args, rmdir);
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}
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static char stat_result__doc__[] =
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"stat_result: Result from stat or lstat.\n\n\
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This object may be accessed either as a tuple of\n\
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(mode,ino,dev,nlink,uid,gid,size,atime,mtime,ctime)\n\
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or via the attributes st_mode, st_ino, st_dev, st_nlink, st_uid, and so on.\n\
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\n\
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See os.stat for more information.\n";
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#define COMMON_STAT_RESULT_FIELDS \
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{ "st_mode", "protection bits" }, \
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{ "st_ino", "inode" }, \
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{ "st_dev", "device" }, \
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{ "st_nlink", "number of hard links" }, \
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{ "st_uid", "user ID of owner" }, \
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{ "st_gid", "group ID of owner" }, \
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{ "st_size", "total size, in bytes" }, \
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{ "st_atime", "time of last access" }, \
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{ "st_mtime", "time of last modification" }, \
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{ "st_ctime", "time of last change" },
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static PyStructSequence_Field stat_result_fields[] = {
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COMMON_STAT_RESULT_FIELDS
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{0}
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};
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static PyStructSequence_Desc stat_result_desc = {
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"mac.stat_result",
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stat_result__doc__,
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stat_result_fields,
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10
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};
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static PyTypeObject StatResultType;
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static PyObject *
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_pystat_from_struct_stat(struct stat st, void* _mst)
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{
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PyObject *v;
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v = PyStructSequence_New(&StatResultType);
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PyStructSequence_SET_ITEM(v, 0, PyInt_FromLong((long)st.st_mode));
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PyStructSequence_SET_ITEM(v, 1, PyInt_FromLong((long)st.st_ino));
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PyStructSequence_SET_ITEM(v, 2, PyInt_FromLong((long)st.st_dev));
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PyStructSequence_SET_ITEM(v, 3, PyInt_FromLong((long)st.st_nlink));
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PyStructSequence_SET_ITEM(v, 4, PyInt_FromLong((long)st.st_uid));
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PyStructSequence_SET_ITEM(v, 5, PyInt_FromLong((long)st.st_gid));
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PyStructSequence_SET_ITEM(v, 6, PyInt_FromLong((long)st.st_size));
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PyStructSequence_SET_ITEM(v, 7,
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PyFloat_FromDouble((double)st.st_atime));
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PyStructSequence_SET_ITEM(v, 8,
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PyFloat_FromDouble((double)st.st_mtime));
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PyStructSequence_SET_ITEM(v, 9,
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PyFloat_FromDouble((double)st.st_ctime));
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if (PyErr_Occurred()) {
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Py_DECREF(v);
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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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mac_stat(self, args)
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PyObject *self;
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PyObject *args;
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{
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struct stat st;
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char *path;
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int res;
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if (!PyArg_ParseTuple(args, "s", &path))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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res = stat(path, &st);
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Py_END_ALLOW_THREADS
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if (res != 0)
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return mac_error();
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return _pystat_from_struct_stat(st, NULL);
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}
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#ifdef WEHAVE_FSTAT
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static PyObject *
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mac_fstat(self, args)
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PyObject *self;
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PyObject *args;
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{
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struct stat st;
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long fd;
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int res;
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if (!PyArg_ParseTuple(args, "l", &fd))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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res = fstat((int)fd, &st);
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Py_END_ALLOW_THREADS
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if (res != 0)
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return mac_error();
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return _pystat_from_struct_stat(st, NULL);
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}
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#endif /* WEHAVE_FSTAT */
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static PyObject *
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mac_sync(self, args)
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PyObject *self;
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PyObject *args;
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{
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int res;
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if (!PyArg_ParseTuple(args, ""))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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#ifdef USE_GUSI2
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sync();
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res = 0;
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#else
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res = sync();
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#endif
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Py_END_ALLOW_THREADS
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if (res != 0)
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return mac_error();
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Py_INCREF(Py_None);
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return Py_None;
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}
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static PyObject *
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mac_unlink(self, args)
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PyObject *self;
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PyObject *args;
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{
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return mac_1str(args, (int (*)(const char *))unlink);
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}
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static PyObject *
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mac_write(self, args)
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PyObject *self;
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PyObject *args;
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{
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int fd, size;
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char *buffer;
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if (!PyArg_ParseTuple(args, "is#", &fd, &buffer, &size))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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size = write(fd, buffer, size);
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Py_END_ALLOW_THREADS
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if (size < 0)
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return mac_error();
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return PyInt_FromLong((long)size);
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}
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#ifdef USE_MALLOC_DEBUG
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void *mstats(char *);
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static PyObject *
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mac_mstats(self, args)
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PyObject*self;
|
|
PyObject *args;
|
|
{
|
|
mstats("python");
|
|
Py_INCREF(Py_None);
|
|
return Py_None;
|
|
}
|
|
#endif /* USE_MALLOC_DEBUG */
|
|
|
|
static struct PyMethodDef mac_methods[] = {
|
|
{"chdir", mac_chdir, 1},
|
|
{"close", mac_close, 1},
|
|
#ifdef WEHAVE_DUP
|
|
{"dup", mac_dup, 1},
|
|
#endif
|
|
#ifdef WEHAVE_FDOPEN
|
|
{"fdopen", mac_fdopen, 1},
|
|
#endif
|
|
#ifdef WEHAVE_FSTAT
|
|
{"fstat", mac_fstat, 1},
|
|
#endif
|
|
{"getcwd", mac_getcwd, 1},
|
|
{"listdir", mac_listdir, 1},
|
|
{"lseek", mac_lseek, 1},
|
|
{"mkdir", mac_mkdir, 1},
|
|
{"open", mac_open, 1},
|
|
{"read", mac_read, 1},
|
|
{"rename", mac_rename, 1},
|
|
{"rmdir", mac_rmdir, 1},
|
|
{"stat", mac_stat, 1},
|
|
{"sync", mac_sync, 1},
|
|
{"remove", mac_unlink, 1},
|
|
{"unlink", mac_unlink, 1},
|
|
{"write", mac_write, 1},
|
|
#ifdef USE_MALLOC_DEBUG
|
|
{"mstats", mac_mstats, 1},
|
|
#endif
|
|
|
|
{NULL, NULL} /* Sentinel */
|
|
};
|
|
|
|
static int
|
|
ins(PyObject *d, char *symbol, long value)
|
|
{
|
|
PyObject* v = PyInt_FromLong(value);
|
|
if (!v || PyDict_SetItemString(d, symbol, v) < 0)
|
|
return -1; /* triggers fatal error */
|
|
|
|
Py_DECREF(v);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
all_ins(PyObject *d)
|
|
{
|
|
#ifdef F_OK
|
|
if (ins(d, "F_OK", (long)F_OK)) return -1;
|
|
#endif
|
|
#ifdef R_OK
|
|
if (ins(d, "R_OK", (long)R_OK)) return -1;
|
|
#endif
|
|
#ifdef W_OK
|
|
if (ins(d, "W_OK", (long)W_OK)) return -1;
|
|
#endif
|
|
#ifdef X_OK
|
|
if (ins(d, "X_OK", (long)X_OK)) return -1;
|
|
#endif
|
|
#ifdef NGROUPS_MAX
|
|
if (ins(d, "NGROUPS_MAX", (long)NGROUPS_MAX)) return -1;
|
|
#endif
|
|
#ifdef TMP_MAX
|
|
if (ins(d, "TMP_MAX", (long)TMP_MAX)) return -1;
|
|
#endif
|
|
#ifdef WNOHANG
|
|
if (ins(d, "WNOHANG", (long)WNOHANG)) return -1;
|
|
#endif
|
|
#ifdef O_RDONLY
|
|
if (ins(d, "O_RDONLY", (long)O_RDONLY)) return -1;
|
|
#endif
|
|
#ifdef O_WRONLY
|
|
if (ins(d, "O_WRONLY", (long)O_WRONLY)) return -1;
|
|
#endif
|
|
#ifdef O_RDWR
|
|
if (ins(d, "O_RDWR", (long)O_RDWR)) return -1;
|
|
#endif
|
|
#ifdef O_NDELAY
|
|
if (ins(d, "O_NDELAY", (long)O_NDELAY)) return -1;
|
|
#endif
|
|
#ifdef O_NONBLOCK
|
|
if (ins(d, "O_NONBLOCK", (long)O_NONBLOCK)) return -1;
|
|
#endif
|
|
#ifdef O_APPEND
|
|
if (ins(d, "O_APPEND", (long)O_APPEND)) return -1;
|
|
#endif
|
|
#ifdef O_DSYNC
|
|
if (ins(d, "O_DSYNC", (long)O_DSYNC)) return -1;
|
|
#endif
|
|
#ifdef O_RSYNC
|
|
if (ins(d, "O_RSYNC", (long)O_RSYNC)) return -1;
|
|
#endif
|
|
#ifdef O_SYNC
|
|
if (ins(d, "O_SYNC", (long)O_SYNC)) return -1;
|
|
#endif
|
|
#ifdef O_NOCTTY
|
|
if (ins(d, "O_NOCTTY", (long)O_NOCTTY)) return -1;
|
|
#endif
|
|
#ifdef O_CREAT
|
|
if (ins(d, "O_CREAT", (long)O_CREAT)) return -1;
|
|
#endif
|
|
#ifdef O_EXCL
|
|
if (ins(d, "O_EXCL", (long)O_EXCL)) return -1;
|
|
#endif
|
|
#ifdef O_TRUNC
|
|
if (ins(d, "O_TRUNC", (long)O_TRUNC)) return -1;
|
|
#endif
|
|
#ifdef O_BINARY
|
|
if (ins(d, "O_BINARY", (long)O_BINARY)) return -1;
|
|
#endif
|
|
#ifdef O_TEXT
|
|
if (ins(d, "O_TEXT", (long)O_TEXT)) return -1;
|
|
#endif
|
|
|
|
#ifdef HAVE_SPAWNV
|
|
if (ins(d, "P_WAIT", (long)_P_WAIT)) return -1;
|
|
if (ins(d, "P_NOWAIT", (long)_P_NOWAIT)) return -1;
|
|
if (ins(d, "P_OVERLAY", (long)_OLD_P_OVERLAY)) return -1;
|
|
if (ins(d, "P_NOWAITO", (long)_P_NOWAITO)) return -1;
|
|
if (ins(d, "P_DETACH", (long)_P_DETACH)) return -1;
|
|
#endif
|
|
|
|
#if defined(PYOS_OS2)
|
|
if (insertvalues(d)) return -1;
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
|
|
void
|
|
initmac()
|
|
{
|
|
PyObject *m, *d;
|
|
|
|
m = Py_InitModule("mac", mac_methods);
|
|
d = PyModule_GetDict(m);
|
|
|
|
if (all_ins(d))
|
|
return;
|
|
|
|
/* Initialize mac.error exception */
|
|
PyDict_SetItemString(d, "error", PyExc_OSError);
|
|
|
|
PyStructSequence_InitType(&StatResultType, &stat_result_desc);
|
|
PyDict_SetItemString(d, "stat_result", (PyObject*) &StatResultType);
|
|
|
|
}
|