653 lines
12 KiB
C
653 lines
12 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 "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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#if !TARGET_API_MAC_CARBON_NOTYET
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/* XXXX Skip for Carbon, for now */
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#include "macstat.h"
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#endif
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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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#ifdef USE_GUSI1
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#include <GUSI.h>
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#endif /* USE_GUSI1 */
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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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#if !TARGET_API_MAC_CARBON_NOTYET
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#define stat macstat
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#endif
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#endif /* USE_GUSI */
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#ifdef USE_GUSI2
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#define sync bad_sync
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#include <unistd.h>
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#include <fcntl.h>
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#undef sync
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int sync(void);
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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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static PyObject *MacError; /* Exception mac.error */
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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(MacError);
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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_Parse(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_Parse(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_Parse(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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#ifdef USE_GUSI1
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PyObject *rv;
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/* Change MacOS's idea of wd too */
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rv = mac_1str(args, chdir);
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PyMac_FixGUSIcd();
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return rv;
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#else
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return mac_1str(args, chdir);
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#endif
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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_Parse(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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#ifndef USE_GUSI1
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/* GUSI gives surious errors here? */
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if (res < 0)
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return mac_error();
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#endif
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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_Parse(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;
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FILE *fp;
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if (!PyArg_Parse(args, "(is)", &fd, &mode))
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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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return PyFile_FromFile(fp, "(fdopen)", mode, fclose);
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}
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#endif
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#if !TARGET_API_MAC_CARBON
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static PyObject *
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mac_getbootvol(self, args)
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PyObject *self;
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PyObject *args;
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{
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char *res;
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if (!PyArg_NoArgs(args))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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res = getbootvol();
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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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return PyString_FromString(res);
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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_NoArgs(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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PyErr_SetString(MacError, path);
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return NULL;
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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_Parse(args, "s", &name))
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return NULL;
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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_Parse(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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#ifdef USE_GUSI1
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res = mkdir(path);
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#else
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res = mkdir(path, mode);
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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_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 fd;
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if (!PyArg_Parse(args, "(si)", &path, &mode))
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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_Parse(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 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_Parse(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 Py_BuildValue("(lllllllddd)",
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(long)st.st_mode,
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(long)st.st_ino,
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(long)st.st_dev,
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(long)st.st_nlink,
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(long)st.st_uid,
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(long)st.st_gid,
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(long)st.st_size,
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(double)st.st_atime,
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(double)st.st_mtime,
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(double)st.st_ctime);
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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_Parse(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 Py_BuildValue("(lllllllddd)",
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(long)st.st_mode,
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(long)st.st_ino,
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(long)st.st_dev,
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(long)st.st_nlink,
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(long)st.st_uid,
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(long)st.st_gid,
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(long)st.st_size,
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(double)st.st_atime,
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(double)st.st_mtime,
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(double)st.st_ctime);
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}
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#endif /* WEHAVE_FSTAT */
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#if !TARGET_API_MAC_CARBON_NOTYET
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static PyObject *
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mac_xstat(self, args)
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PyObject *self;
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PyObject *args;
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{
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struct macstat mst;
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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_Parse(args, "s", &path))
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return NULL;
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/*
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** Convoluted: we want stat() and xstat() to agree, so we call both
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** stat and macstat, and use the latter only for values not provided by
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** the former.
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*/
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Py_BEGIN_ALLOW_THREADS
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res = macstat(path, &mst);
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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_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 Py_BuildValue("(llllllldddls#s#)",
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(long)st.st_mode,
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(long)st.st_ino,
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(long)st.st_dev,
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(long)st.st_nlink,
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(long)st.st_uid,
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(long)st.st_gid,
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(long)st.st_size,
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(double)st.st_atime,
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(double)st.st_mtime,
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(double)st.st_ctime,
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(long)mst.st_rsize,
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mst.st_creator, 4,
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mst.st_type, 4);
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}
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#endif
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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_NoArgs(args))
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return NULL;
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Py_BEGIN_ALLOW_THREADS
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res = sync();
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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_Parse(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)
|
|
return mac_error();
|
|
return PyInt_FromLong((long)size);
|
|
}
|
|
|
|
#ifdef USE_MALLOC_DEBUG
|
|
void *mstats(char *);
|
|
|
|
static PyObject *
|
|
mac_mstats(self, args)
|
|
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},
|
|
{"close", mac_close},
|
|
#ifdef WEHAVE_DUP
|
|
{"dup", mac_dup},
|
|
#endif
|
|
#ifdef WEHAVE_FDOPEN
|
|
{"fdopen", mac_fdopen},
|
|
#endif
|
|
#ifdef WEHAVE_FSTAT
|
|
{"fstat", mac_fstat},
|
|
#endif
|
|
#if !TARGET_API_MAC_CARBON
|
|
{"getbootvol", mac_getbootvol}, /* non-standard */
|
|
#endif
|
|
{"getcwd", mac_getcwd},
|
|
{"listdir", mac_listdir, 0},
|
|
{"lseek", mac_lseek},
|
|
{"mkdir", mac_mkdir, 1},
|
|
{"open", mac_open},
|
|
{"read", mac_read},
|
|
{"rename", mac_rename},
|
|
{"rmdir", mac_rmdir},
|
|
{"stat", mac_stat},
|
|
#if !TARGET_API_MAC_CARBON_NOTYET
|
|
{"xstat", mac_xstat},
|
|
#endif
|
|
{"sync", mac_sync},
|
|
{"remove", mac_unlink},
|
|
{"unlink", mac_unlink},
|
|
{"write", mac_write},
|
|
#ifdef USE_MALLOC_DEBUG
|
|
{"mstats", mac_mstats},
|
|
#endif
|
|
|
|
{NULL, NULL} /* Sentinel */
|
|
};
|
|
|
|
|
|
void
|
|
initmac()
|
|
{
|
|
PyObject *m, *d;
|
|
|
|
m = Py_InitModule("mac", mac_methods);
|
|
d = PyModule_GetDict(m);
|
|
|
|
/* Initialize mac.error exception */
|
|
MacError = PyErr_NewException("mac.error", NULL, NULL);
|
|
PyDict_SetItemString(d, "error", MacError);
|
|
}
|