1564 lines
29 KiB
C
1564 lines
29 KiB
C
/***********************************************************
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Copyright 1991-1995 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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/* POSIX module implementation */
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/* This file is also used for Windows NT. In that case the module
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actually calls itself 'nt', not 'posix', and a few functions are
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either unimplemented or implemented differently. The source
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assumes that for Windows NT, the macro 'NT' is defined independent
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of the compiler used. Different compilers define their own feature
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test macro, e.g. '__BORLANDC__' or '_MSCVER'. */
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/* For MS-DOS and Windows 3.x, use ../Dos/dosmodule.c */
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#include "allobjects.h"
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#include "modsupport.h"
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#include "ceval.h"
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#include <string.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef HAVE_SYS_WAIT_H
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#include <sys/wait.h> /* For WNOHANG */
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#endif
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#include "mytime.h" /* For clock_t on some systems */
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#endif /* HAVE_FCNTL_H */
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#ifndef NT
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#define HAVE_FORK 1
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#endif
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#if !defined(NT) || defined(__BORLANDC__)
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/* Unix functions that the configure script doesn't check for
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and that aren't easily available under NT except with Borland C */
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#define HAVE_GETEGID 1
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#define HAVE_GETEUID 1
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#define HAVE_GETGID 1
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#define HAVE_GETPPID 1
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#define HAVE_GETUID 1
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#define HAVE_KILL 1
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#define HAVE_WAIT 1
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#define HAVE_OPENDIR 1
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#define HAVE_PIPE 1
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#define HAVE_GETCWD 1
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#endif
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#ifndef NT
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef NeXT
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/* NeXT's <unistd.h> and <utime.h> aren't worth much */
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#undef HAVE_UNISTD_H
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#undef HAVE_UTIME_H
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/* #undef HAVE_GETCWD */
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#endif
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#ifdef HAVE_UNISTD_H
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/* XXX These are for SunOS4.1.3 but shouldn't hurt elsewhere */
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extern int rename();
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extern int pclose();
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extern int lstat();
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extern int symlink();
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#else /* !HAVE_UNISTD_H */
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extern int mkdir PROTO((const char *, mode_t));
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extern int chdir PROTO((const char *));
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extern int rmdir PROTO((const char *));
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extern int chmod PROTO((const char *, mode_t));
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extern int chown PROTO((const char *, uid_t, gid_t));
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extern char *getcwd PROTO((char *, int));
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extern char *strerror PROTO((int));
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extern int link PROTO((const char *, const char *));
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extern int rename PROTO((const char *, const char *));
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extern int stat PROTO((const char *, struct stat *));
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extern int unlink PROTO((const char *));
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extern int pclose PROTO((FILE *));
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#ifdef HAVE_SYMLINK
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extern int symlink PROTO((const char *, const char *));
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#endif /* HAVE_SYMLINK */
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#ifdef HAVE_LSTAT
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extern int lstat PROTO((const char *, struct stat *));
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#endif /* HAVE_LSTAT */
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#endif /* !HAVE_UNISTD_H */
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#endif /* !NT */
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#ifdef HAVE_UTIME_H
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#include <utime.h>
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#endif /* HAVE_UTIME_H */
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#ifdef HAVE_SYS_UTIME_H
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#include <sys/utime.h>
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#define HAVE_UTIME_H /* pretend we do for the rest of this file */
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#endif /* HAVE_SYS_UTIME_H */
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#ifdef HAVE_SYS_TIMES_H
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#include <sys/times.h>
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#endif /* HAVE_SYS_TIMES_H */
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif /* HAVE_SYS_PARAM_H */
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#ifdef HAVE_SYS_UTSNAME_H
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#include <sys/utsname.h>
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#endif /* HAVE_SYS_UTSNAME_H */
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#ifndef MAXPATHLEN
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#define MAXPATHLEN 1024
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#endif /* MAXPATHLEN */
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#ifdef HAVE_DIRENT_H
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#include <dirent.h>
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#define NAMLEN(dirent) strlen((dirent)->d_name)
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#else
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#define dirent direct
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#define NAMLEN(dirent) (dirent)->d_namlen
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#ifdef HAVE_SYS_NDIR_H
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#include <sys/ndir.h>
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#endif
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#ifdef HAVE_SYS_DIR_H
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#include <sys/dir.h>
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#endif
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#ifdef HAVE_NDIR_H
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#include <ndir.h>
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#endif
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#endif
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#ifdef NT
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#include <direct.h>
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#include <io.h>
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#include <process.h>
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#include <windows.h>
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#define popen _popen
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#define pclose _pclose
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#endif /* NT */
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#ifdef OS2
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#include <io.h>
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#endif /* OS2 */
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/* Return a dictionary corresponding to the POSIX environment table */
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#ifndef NT
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extern char **environ;
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#endif /* !NT */
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static object *
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convertenviron()
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{
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object *d;
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char **e;
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d = newdictobject();
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if (d == NULL)
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return NULL;
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if (environ == NULL)
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return d;
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/* XXX This part ignores errors */
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for (e = environ; *e != NULL; e++) {
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object *v;
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char *p = strchr(*e, '=');
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if (p == NULL)
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continue;
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v = newstringobject(p+1);
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if (v == NULL)
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continue;
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*p = '\0';
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(void) dictinsert(d, *e, v);
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*p = '=';
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DECREF(v);
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}
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return d;
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}
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static object *PosixError; /* Exception posix.error */
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/* Set a POSIX-specific error from errno, and return NULL */
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static object * posix_error()
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{
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return err_errno(PosixError);
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}
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/* POSIX generic methods */
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static object *
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posix_1str(args, func)
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object *args;
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int (*func) FPROTO((const char *));
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{
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char *path1;
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int res;
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if (!getargs(args, "s", &path1))
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return NULL;
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BGN_SAVE
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res = (*func)(path1);
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END_SAVE
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if (res < 0)
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return posix_error();
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INCREF(None);
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return None;
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}
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static object *
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posix_2str(args, func)
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object *args;
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int (*func) FPROTO((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 (!getargs(args, "(ss)", &path1, &path2))
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return NULL;
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BGN_SAVE
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res = (*func)(path1, path2);
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END_SAVE
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if (res < 0)
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return posix_error();
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INCREF(None);
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return None;
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}
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static object *
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posix_strint(args, func)
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object *args;
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int (*func) FPROTO((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 (!getargs(args, "(si)", &path, &i))
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return NULL;
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BGN_SAVE
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res = (*func)(path, i);
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END_SAVE
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if (res < 0)
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return posix_error();
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INCREF(None);
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return None;
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}
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static object *
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posix_strintint(args, func)
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object *args;
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int (*func) FPROTO((const char *, int, int));
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{
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char *path;
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int i,i2;
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int res;
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if (!getargs(args, "(sii)", &path, &i, &i2))
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return NULL;
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BGN_SAVE
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res = (*func)(path, i, i2);
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END_SAVE
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if (res < 0)
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return posix_error();
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INCREF(None);
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return None;
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}
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static object *
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posix_do_stat(self, args, statfunc)
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object *self;
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object *args;
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int (*statfunc) FPROTO((const char *, struct stat *));
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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 (!getargs(args, "s", &path))
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return NULL;
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BGN_SAVE
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res = (*statfunc)(path, &st);
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END_SAVE
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if (res != 0)
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return posix_error();
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return mkvalue("(llllllllll)",
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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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(long)st.st_atime,
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(long)st.st_mtime,
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(long)st.st_ctime);
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}
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|
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/* POSIX methods */
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static object *
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posix_chdir(self, args)
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object *self;
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object *args;
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{
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return posix_1str(args, chdir);
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}
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static object *
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posix_chmod(self, args)
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object *self;
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object *args;
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{
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return posix_strint(args, chmod);
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}
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#ifdef HAVE_CHOWN
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static object *
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posix_chown(self, args)
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object *self;
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object *args;
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{
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return posix_strintint(args, chown);
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}
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#endif /* HAVE_CHOWN */
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#ifdef HAVE_GETCWD
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static object *
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posix_getcwd(self, args)
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object *self;
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object *args;
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{
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char buf[1026];
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char *res;
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if (!getnoarg(args))
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return NULL;
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BGN_SAVE
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res = getcwd(buf, sizeof buf);
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END_SAVE
|
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if (res == NULL)
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return posix_error();
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return newstringobject(buf);
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}
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#endif
|
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|
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#ifdef HAVE_LINK
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static object *
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posix_link(self, args)
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object *self;
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object *args;
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{
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return posix_2str(args, link);
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}
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#endif /* HAVE_LINK */
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static object *
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posix_listdir(self, args)
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object *self;
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object *args;
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{
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#if defined(NT) && !defined(HAVE_OPENDIR)
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char *name;
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int len;
|
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object *d, *v;
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HANDLE hFindFile;
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WIN32_FIND_DATA FileData;
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char namebuf[MAX_PATH+5];
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if (!getargs(args, "s#", &name, &len))
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return NULL;
|
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if (len >= MAX_PATH) {
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err_setstr(ValueError, "path too long");
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return NULL;
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}
|
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strcpy(namebuf, name);
|
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if (namebuf[len-1] != '/' && namebuf[len-1] != '\\')
|
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namebuf[len++] = '/';
|
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strcpy(namebuf + len, "*.*");
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|
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if ((d = newlistobject(0)) == NULL)
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return NULL;
|
|
|
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hFindFile = FindFirstFile(namebuf, &FileData);
|
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if (hFindFile == INVALID_HANDLE_VALUE) {
|
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errno = GetLastError();
|
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return posix_error();
|
|
}
|
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do {
|
|
if (FileData.cFileName[0] == '.' &&
|
|
(FileData.cFileName[1] == '\0' ||
|
|
FileData.cFileName[1] == '.' &&
|
|
FileData.cFileName[2] == '\0'))
|
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continue;
|
|
v = newstringobject(FileData.cFileName);
|
|
if (v == NULL) {
|
|
DECREF(d);
|
|
d = NULL;
|
|
break;
|
|
}
|
|
if (addlistitem(d, v) != 0) {
|
|
DECREF(v);
|
|
DECREF(d);
|
|
d = NULL;
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break;
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}
|
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DECREF(v);
|
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} while (FindNextFile(hFindFile, &FileData) == TRUE);
|
|
|
|
if (FindClose(hFindFile) == FALSE) {
|
|
errno = GetLastError();
|
|
return posix_error();
|
|
}
|
|
|
|
return d;
|
|
|
|
#else /* !NT */
|
|
|
|
char *name;
|
|
object *d, *v;
|
|
DIR *dirp;
|
|
struct dirent *ep;
|
|
if (!getargs(args, "s", &name))
|
|
return NULL;
|
|
BGN_SAVE
|
|
if ((dirp = opendir(name)) == NULL) {
|
|
RET_SAVE
|
|
return posix_error();
|
|
}
|
|
if ((d = newlistobject(0)) == NULL) {
|
|
closedir(dirp);
|
|
RET_SAVE
|
|
return NULL;
|
|
}
|
|
while ((ep = readdir(dirp)) != NULL) {
|
|
if (ep->d_name[0] == '.' &&
|
|
(NAMLEN(ep) == 1 ||
|
|
ep->d_name[1] == '.' && NAMLEN(ep) == 2))
|
|
continue;
|
|
v = newsizedstringobject(ep->d_name, NAMLEN(ep));
|
|
if (v == NULL) {
|
|
DECREF(d);
|
|
d = NULL;
|
|
break;
|
|
}
|
|
if (addlistitem(d, v) != 0) {
|
|
DECREF(v);
|
|
DECREF(d);
|
|
d = NULL;
|
|
break;
|
|
}
|
|
DECREF(v);
|
|
}
|
|
closedir(dirp);
|
|
END_SAVE
|
|
|
|
return d;
|
|
|
|
#endif /* !NT */
|
|
}
|
|
|
|
static object *
|
|
posix_mkdir(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int res;
|
|
char *path;
|
|
int mode = 0777; /* Unused */
|
|
if (!newgetargs(args, "s|i", &path, &mode))
|
|
return NULL;
|
|
BGN_SAVE
|
|
res = mkdir(path, mode);
|
|
END_SAVE
|
|
if (res < 0)
|
|
return posix_error();
|
|
INCREF(None);
|
|
return None;
|
|
}
|
|
|
|
#ifdef HAVE_NICE
|
|
static object *
|
|
posix_nice(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int increment, value;
|
|
|
|
if (!getargs(args, "i", &increment))
|
|
return NULL;
|
|
value = nice(increment);
|
|
if (value == -1)
|
|
return posix_error();
|
|
return newintobject((long) value);
|
|
}
|
|
#endif /* HAVE_NICE */
|
|
|
|
static object *
|
|
posix_rename(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
return posix_2str(args, rename);
|
|
}
|
|
|
|
static object *
|
|
posix_rmdir(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
return posix_1str(args, rmdir);
|
|
}
|
|
|
|
static object *
|
|
posix_stat(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
return posix_do_stat(self, args, stat);
|
|
}
|
|
|
|
static object *
|
|
posix_system(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
char *command;
|
|
long sts;
|
|
if (!getargs(args, "s", &command))
|
|
return NULL;
|
|
BGN_SAVE
|
|
sts = system(command);
|
|
END_SAVE
|
|
return newintobject(sts);
|
|
}
|
|
|
|
static object *
|
|
posix_umask(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int i;
|
|
if (!getintarg(args, &i))
|
|
return NULL;
|
|
i = umask(i);
|
|
if (i < 0)
|
|
return posix_error();
|
|
return newintobject((long)i);
|
|
}
|
|
|
|
static object *
|
|
posix_unlink(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
return posix_1str(args, unlink);
|
|
}
|
|
|
|
#ifdef HAVE_UNAME
|
|
static object *
|
|
posix_uname(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
struct utsname u;
|
|
object *v;
|
|
int res;
|
|
if (!getnoarg(args))
|
|
return NULL;
|
|
BGN_SAVE
|
|
res = uname(&u);
|
|
END_SAVE
|
|
if (res < 0)
|
|
return posix_error();
|
|
return mkvalue("(sssss)",
|
|
u.sysname,
|
|
u.nodename,
|
|
u.release,
|
|
u.version,
|
|
u.machine);
|
|
}
|
|
#endif /* HAVE_UNAME */
|
|
|
|
static object *
|
|
posix_utime(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
char *path;
|
|
long atime, mtime;
|
|
int res;
|
|
|
|
#ifdef HAVE_UTIME_H
|
|
struct utimbuf buf;
|
|
#define ATIME buf.actime
|
|
#define MTIME buf.modtime
|
|
#define UTIME_ARG &buf
|
|
#else /* HAVE_UTIME_H */
|
|
time_t buf[2];
|
|
#define ATIME buf[0]
|
|
#define MTIME buf[1]
|
|
#define UTIME_ARG buf
|
|
#endif /* HAVE_UTIME_H */
|
|
|
|
if (!getargs(args, "(s(ll))", &path, &atime, &mtime))
|
|
return NULL;
|
|
ATIME = atime;
|
|
MTIME = mtime;
|
|
BGN_SAVE
|
|
res = utime(path, UTIME_ARG);
|
|
END_SAVE
|
|
if (res < 0)
|
|
return posix_error();
|
|
INCREF(None);
|
|
return None;
|
|
#undef UTIME_ARG
|
|
#undef ATIME
|
|
#undef MTIME
|
|
}
|
|
|
|
|
|
/* Process operations */
|
|
|
|
static object *
|
|
posix__exit(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int sts;
|
|
if (!getintarg(args, &sts))
|
|
return NULL;
|
|
_exit(sts);
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
static object *
|
|
posix_execv(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
char *path;
|
|
object *argv;
|
|
char **argvlist;
|
|
int i, argc;
|
|
object *(*getitem) PROTO((object *, int));
|
|
|
|
/* execv has two arguments: (path, argv), where
|
|
argv is a list or tuple of strings. */
|
|
|
|
if (!getargs(args, "(sO)", &path, &argv))
|
|
return NULL;
|
|
if (is_listobject(argv)) {
|
|
argc = getlistsize(argv);
|
|
getitem = getlistitem;
|
|
}
|
|
else if (is_tupleobject(argv)) {
|
|
argc = gettuplesize(argv);
|
|
getitem = gettupleitem;
|
|
}
|
|
else {
|
|
badarg:
|
|
err_badarg();
|
|
return NULL;
|
|
}
|
|
|
|
argvlist = NEW(char *, argc+1);
|
|
if (argvlist == NULL)
|
|
return NULL;
|
|
for (i = 0; i < argc; i++) {
|
|
if (!getargs((*getitem)(argv, i), "s", &argvlist[i])) {
|
|
DEL(argvlist);
|
|
goto badarg;
|
|
}
|
|
}
|
|
argvlist[argc] = NULL;
|
|
|
|
#ifdef BAD_EXEC_PROTOTYPES
|
|
execv(path, (const char **) argvlist);
|
|
#else /* BAD_EXEC_PROTOTYPES */
|
|
execv(path, argvlist);
|
|
#endif /* BAD_EXEC_PROTOTYPES */
|
|
|
|
/* If we get here it's definitely an error */
|
|
|
|
DEL(argvlist);
|
|
return posix_error();
|
|
}
|
|
|
|
static object *
|
|
posix_execve(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
char *path;
|
|
object *argv, *env;
|
|
char **argvlist;
|
|
char **envlist;
|
|
object *key, *val;
|
|
int i, pos, argc, envc;
|
|
object *(*getitem) PROTO((object *, int));
|
|
|
|
/* execve has three arguments: (path, argv, env), where
|
|
argv is a list or tuple of strings and env is a dictionary
|
|
like posix.environ. */
|
|
|
|
if (!getargs(args, "(sOO)", &path, &argv, &env))
|
|
return NULL;
|
|
if (is_listobject(argv)) {
|
|
argc = getlistsize(argv);
|
|
getitem = getlistitem;
|
|
}
|
|
else if (is_tupleobject(argv)) {
|
|
argc = gettuplesize(argv);
|
|
getitem = gettupleitem;
|
|
}
|
|
else {
|
|
err_setstr(TypeError, "argv must be tuple or list");
|
|
return NULL;
|
|
}
|
|
if (!is_dictobject(env)) {
|
|
err_setstr(TypeError, "env must be dictionary");
|
|
return NULL;
|
|
}
|
|
|
|
argvlist = NEW(char *, argc+1);
|
|
if (argvlist == NULL) {
|
|
err_nomem();
|
|
return NULL;
|
|
}
|
|
for (i = 0; i < argc; i++) {
|
|
if (!getargs((*getitem)(argv, i),
|
|
"s;argv must be list of strings",
|
|
&argvlist[i])) {
|
|
goto fail_1;
|
|
}
|
|
}
|
|
argvlist[argc] = NULL;
|
|
|
|
i = getmappingsize(env);
|
|
envlist = NEW(char *, i + 1);
|
|
if (envlist == NULL) {
|
|
err_nomem();
|
|
goto fail_1;
|
|
}
|
|
pos = 0;
|
|
envc = 0;
|
|
while (mappinggetnext(env, &pos, &key, &val)) {
|
|
char *p, *k, *v;
|
|
if (!getargs(key, "s;non-string key in env", &k) ||
|
|
!getargs(val, "s;non-string value in env", &v)) {
|
|
goto fail_2;
|
|
}
|
|
p = NEW(char, getstringsize(key) + getstringsize(val) + 2);
|
|
if (p == NULL) {
|
|
err_nomem();
|
|
goto fail_2;
|
|
}
|
|
sprintf(p, "%s=%s", k, v);
|
|
envlist[envc++] = p;
|
|
}
|
|
envlist[envc] = 0;
|
|
|
|
|
|
#ifdef BAD_EXEC_PROTOTYPES
|
|
execve(path, (const char **)argvlist, envlist);
|
|
#else /* BAD_EXEC_PROTOTYPES */
|
|
execve(path, argvlist, envlist);
|
|
#endif /* BAD_EXEC_PROTOTYPES */
|
|
|
|
/* If we get here it's definitely an error */
|
|
|
|
(void) posix_error();
|
|
|
|
fail_2:
|
|
while (--envc >= 0)
|
|
DEL(envlist[envc]);
|
|
DEL(envlist);
|
|
fail_1:
|
|
DEL(argvlist);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
#ifdef HAVE_FORK
|
|
static object *
|
|
posix_fork(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int pid;
|
|
if (!getnoarg(args))
|
|
return NULL;
|
|
pid = fork();
|
|
if (pid == -1)
|
|
return posix_error();
|
|
return newintobject((long)pid);
|
|
}
|
|
#endif
|
|
|
|
#ifdef HAVE_GETEGID
|
|
static object *
|
|
posix_getegid(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
if (!getnoarg(args))
|
|
return NULL;
|
|
return newintobject((long)getegid());
|
|
}
|
|
#endif
|
|
|
|
#ifdef HAVE_GETEUID
|
|
static object *
|
|
posix_geteuid(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
if (!getnoarg(args))
|
|
return NULL;
|
|
return newintobject((long)geteuid());
|
|
}
|
|
#endif
|
|
|
|
#ifdef HAVE_GETGID
|
|
static object *
|
|
posix_getgid(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
if (!getnoarg(args))
|
|
return NULL;
|
|
return newintobject((long)getgid());
|
|
}
|
|
#endif
|
|
|
|
static object *
|
|
posix_getpid(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
if (!getnoarg(args))
|
|
return NULL;
|
|
return newintobject((long)getpid());
|
|
}
|
|
|
|
#ifdef HAVE_GETPGRP
|
|
static object *
|
|
posix_getpgrp(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
if (!getnoarg(args))
|
|
return NULL;
|
|
#ifdef GETPGRP_HAVE_ARG
|
|
return newintobject((long)getpgrp(0));
|
|
#else /* GETPGRP_HAVE_ARG */
|
|
return newintobject((long)getpgrp());
|
|
#endif /* GETPGRP_HAVE_ARG */
|
|
}
|
|
#endif /* HAVE_GETPGRP */
|
|
|
|
#ifdef HAVE_SETPGRP
|
|
static object *
|
|
posix_setpgrp(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
if (!getnoarg(args))
|
|
return NULL;
|
|
#ifdef SETPGRP_HAVE_ARG
|
|
if (setpgrp(0, 0) < 0)
|
|
#else /* SETPGRP_HAVE_ARG */
|
|
if (setpgrp() < 0)
|
|
#endif /* SETPGRP_HAVE_ARG */
|
|
return posix_error();
|
|
INCREF(None);
|
|
return None;
|
|
}
|
|
|
|
#endif /* HAVE_SETPGRP */
|
|
|
|
#ifdef HAVE_GETPPID
|
|
static object *
|
|
posix_getppid(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
if (!getnoarg(args))
|
|
return NULL;
|
|
return newintobject((long)getppid());
|
|
}
|
|
#endif
|
|
|
|
#ifdef HAVE_GETUID
|
|
static object *
|
|
posix_getuid(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
if (!getnoarg(args))
|
|
return NULL;
|
|
return newintobject((long)getuid());
|
|
}
|
|
#endif
|
|
|
|
#ifdef HAVE_KILL
|
|
static object *
|
|
posix_kill(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int pid, sig;
|
|
if (!getargs(args, "(ii)", &pid, &sig))
|
|
return NULL;
|
|
if (kill(pid, sig) == -1)
|
|
return posix_error();
|
|
INCREF(None);
|
|
return None;
|
|
}
|
|
#endif
|
|
|
|
static object *
|
|
posix_popen(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
char *name;
|
|
char *mode = "r";
|
|
int bufsize = -1;
|
|
FILE *fp;
|
|
object *f;
|
|
if (!newgetargs(args, "s|si", &name, &mode, &bufsize))
|
|
return NULL;
|
|
BGN_SAVE
|
|
fp = popen(name, mode);
|
|
END_SAVE
|
|
if (fp == NULL)
|
|
return posix_error();
|
|
f = newopenfileobject(fp, name, mode, pclose);
|
|
if (f != NULL)
|
|
setfilebufsize(f, bufsize);
|
|
return f;
|
|
}
|
|
|
|
#ifdef HAVE_SETUID
|
|
static object *
|
|
posix_setuid(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int uid;
|
|
if (!getargs(args, "i", &uid))
|
|
return NULL;
|
|
if (setuid(uid) < 0)
|
|
return posix_error();
|
|
INCREF(None);
|
|
return None;
|
|
}
|
|
#endif /* HAVE_SETUID */
|
|
|
|
#ifdef HAVE_SETGID
|
|
static object *
|
|
posix_setgid(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int gid;
|
|
if (!getargs(args, "i", &gid))
|
|
return NULL;
|
|
if (setgid(gid) < 0)
|
|
return posix_error();
|
|
INCREF(None);
|
|
return None;
|
|
}
|
|
#endif /* HAVE_SETGID */
|
|
|
|
#ifdef HAVE_WAITPID
|
|
static object *
|
|
posix_waitpid(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int pid, options, sts;
|
|
if (!getargs(args, "(ii)", &pid, &options))
|
|
return NULL;
|
|
BGN_SAVE
|
|
pid = waitpid(pid, &sts, options);
|
|
END_SAVE
|
|
if (pid == -1)
|
|
return posix_error();
|
|
else
|
|
return mkvalue("ii", pid, sts);
|
|
}
|
|
#endif /* HAVE_WAITPID */
|
|
|
|
#ifdef HAVE_WAIT
|
|
static object *
|
|
posix_wait(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int pid, sts;
|
|
BGN_SAVE
|
|
pid = wait(&sts);
|
|
END_SAVE
|
|
if (pid == -1)
|
|
return posix_error();
|
|
else
|
|
return mkvalue("ii", pid, sts);
|
|
}
|
|
#endif
|
|
|
|
static object *
|
|
posix_lstat(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
#ifdef HAVE_LSTAT
|
|
return posix_do_stat(self, args, lstat);
|
|
#else /* !HAVE_LSTAT */
|
|
return posix_do_stat(self, args, stat);
|
|
#endif /* !HAVE_LSTAT */
|
|
}
|
|
|
|
#ifdef HAVE_READLINK
|
|
static object *
|
|
posix_readlink(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
char buf[MAXPATHLEN];
|
|
char *path;
|
|
int n;
|
|
if (!getargs(args, "s", &path))
|
|
return NULL;
|
|
BGN_SAVE
|
|
n = readlink(path, buf, (int) sizeof buf);
|
|
END_SAVE
|
|
if (n < 0)
|
|
return posix_error();
|
|
return newsizedstringobject(buf, n);
|
|
}
|
|
#endif /* HAVE_READLINK */
|
|
|
|
#ifdef HAVE_SYMLINK
|
|
static object *
|
|
posix_symlink(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
return posix_2str(args, symlink);
|
|
}
|
|
#endif /* HAVE_SYMLINK */
|
|
|
|
#ifdef HAVE_TIMES
|
|
#ifndef HZ
|
|
#define HZ 60 /* Universal constant :-) */
|
|
#endif /* HZ */
|
|
static object *
|
|
posix_times(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
struct tms t;
|
|
clock_t c;
|
|
if (!getnoarg(args))
|
|
return NULL;
|
|
errno = 0;
|
|
c = times(&t);
|
|
if (c == (clock_t) -1)
|
|
return posix_error();
|
|
return mkvalue("ddddd",
|
|
(double)t.tms_utime / HZ,
|
|
(double)t.tms_stime / HZ,
|
|
(double)t.tms_cutime / HZ,
|
|
(double)t.tms_cstime / HZ,
|
|
(double)c / HZ);
|
|
}
|
|
#endif /* HAVE_TIMES */
|
|
#if defined(NT) && !defined(HAVE_TIMES)
|
|
#define HAVE_TIMES /* so the method table will pick it up */
|
|
static object *
|
|
posix_times(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
FILETIME create, exit, kernel, user;
|
|
HANDLE hProc;
|
|
if (!getnoarg(args))
|
|
return NULL;
|
|
hProc = GetCurrentProcess();
|
|
GetProcessTimes(hProc,&create, &exit, &kernel, &user);
|
|
return mkvalue("ddddd",
|
|
(double)(kernel.dwHighDateTime*2E32+kernel.dwLowDateTime) / 2E6,
|
|
(double)(user.dwHighDateTime*2E32+user.dwLowDateTime) / 2E6,
|
|
(double)0,
|
|
(double)0,
|
|
(double)0);
|
|
}
|
|
#endif /* NT */
|
|
|
|
#ifdef HAVE_SETSID
|
|
static object *
|
|
posix_setsid(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
if (!getnoarg(args))
|
|
return NULL;
|
|
if (setsid() < 0)
|
|
return posix_error();
|
|
INCREF(None);
|
|
return None;
|
|
}
|
|
#endif /* HAVE_SETSID */
|
|
|
|
#ifdef HAVE_SETPGID
|
|
static object *
|
|
posix_setpgid(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int pid, pgrp;
|
|
if (!getargs(args, "(ii)", &pid, &pgrp))
|
|
return NULL;
|
|
if (setpgid(pid, pgrp) < 0)
|
|
return posix_error();
|
|
INCREF(None);
|
|
return None;
|
|
}
|
|
#endif /* HAVE_SETPGID */
|
|
|
|
#ifdef HAVE_TCGETPGRP
|
|
static object *
|
|
posix_tcgetpgrp(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int fd, pgid;
|
|
if (!getargs(args, "i", &fd))
|
|
return NULL;
|
|
pgid = tcgetpgrp(fd);
|
|
if (pgid < 0)
|
|
return posix_error();
|
|
return newintobject((long)pgid);
|
|
}
|
|
#endif /* HAVE_TCGETPGRP */
|
|
|
|
#ifdef HAVE_TCSETPGRP
|
|
static object *
|
|
posix_tcsetpgrp(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int fd, pgid;
|
|
if (!getargs(args, "(ii)", &fd, &pgid))
|
|
return NULL;
|
|
if (tcsetpgrp(fd, pgid) < 0)
|
|
return posix_error();
|
|
INCREF(None);
|
|
return None;
|
|
}
|
|
#endif /* HAVE_TCSETPGRP */
|
|
|
|
/* Functions acting on file descriptors */
|
|
|
|
static object *
|
|
posix_open(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
char *file;
|
|
int flag;
|
|
int mode = 0777;
|
|
int fd;
|
|
if (!getargs(args, "(si)", &file, &flag)) {
|
|
err_clear();
|
|
if (!getargs(args, "(sii)", &file, &flag, &mode))
|
|
return NULL;
|
|
}
|
|
BGN_SAVE
|
|
fd = open(file, flag, mode);
|
|
END_SAVE
|
|
if (fd < 0)
|
|
return posix_error();
|
|
return newintobject((long)fd);
|
|
}
|
|
|
|
static object *
|
|
posix_close(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int fd, res;
|
|
if (!getargs(args, "i", &fd))
|
|
return NULL;
|
|
BGN_SAVE
|
|
res = close(fd);
|
|
END_SAVE
|
|
if (res < 0)
|
|
return posix_error();
|
|
INCREF(None);
|
|
return None;
|
|
}
|
|
|
|
static object *
|
|
posix_dup(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int fd;
|
|
if (!getargs(args, "i", &fd))
|
|
return NULL;
|
|
BGN_SAVE
|
|
fd = dup(fd);
|
|
END_SAVE
|
|
if (fd < 0)
|
|
return posix_error();
|
|
return newintobject((long)fd);
|
|
}
|
|
|
|
static object *
|
|
posix_dup2(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int fd, fd2, res;
|
|
if (!getargs(args, "(ii)", &fd, &fd2))
|
|
return NULL;
|
|
BGN_SAVE
|
|
res = dup2(fd, fd2);
|
|
END_SAVE
|
|
if (res < 0)
|
|
return posix_error();
|
|
INCREF(None);
|
|
return None;
|
|
}
|
|
|
|
static object *
|
|
posix_lseek(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int fd, how;
|
|
long pos, res;
|
|
if (!getargs(args, "(ili)", &fd, &pos, &how))
|
|
return NULL;
|
|
#ifdef SEEK_SET
|
|
/* Turn 0, 1, 2 into SEEK_{SET,CUR,END} */
|
|
switch (how) {
|
|
case 0: how = SEEK_SET; break;
|
|
case 1: how = SEEK_CUR; break;
|
|
case 2: how = SEEK_END; break;
|
|
}
|
|
#endif /* SEEK_END */
|
|
BGN_SAVE
|
|
res = lseek(fd, pos, how);
|
|
END_SAVE
|
|
if (res < 0)
|
|
return posix_error();
|
|
return newintobject(res);
|
|
}
|
|
|
|
static object *
|
|
posix_read(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int fd, size;
|
|
object *buffer;
|
|
if (!getargs(args, "(ii)", &fd, &size))
|
|
return NULL;
|
|
buffer = newsizedstringobject((char *)NULL, size);
|
|
if (buffer == NULL)
|
|
return NULL;
|
|
BGN_SAVE
|
|
size = read(fd, getstringvalue(buffer), size);
|
|
END_SAVE
|
|
if (size < 0) {
|
|
DECREF(buffer);
|
|
return posix_error();
|
|
}
|
|
resizestring(&buffer, size);
|
|
return buffer;
|
|
}
|
|
|
|
static object *
|
|
posix_write(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int fd, size;
|
|
char *buffer;
|
|
if (!getargs(args, "(is#)", &fd, &buffer, &size))
|
|
return NULL;
|
|
BGN_SAVE
|
|
size = write(fd, buffer, size);
|
|
END_SAVE
|
|
if (size < 0)
|
|
return posix_error();
|
|
return newintobject((long)size);
|
|
}
|
|
|
|
static object *
|
|
posix_fstat(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
int fd;
|
|
struct stat st;
|
|
int res;
|
|
if (!getargs(args, "i", &fd))
|
|
return NULL;
|
|
BGN_SAVE
|
|
res = fstat(fd, &st);
|
|
END_SAVE
|
|
if (res != 0)
|
|
return posix_error();
|
|
return mkvalue("(llllllllll)",
|
|
(long)st.st_mode,
|
|
(long)st.st_ino,
|
|
(long)st.st_dev,
|
|
(long)st.st_nlink,
|
|
(long)st.st_uid,
|
|
(long)st.st_gid,
|
|
(long)st.st_size,
|
|
(long)st.st_atime,
|
|
(long)st.st_mtime,
|
|
(long)st.st_ctime);
|
|
}
|
|
|
|
static object *
|
|
posix_fdopen(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
extern int fclose PROTO((FILE *));
|
|
int fd;
|
|
char *mode = "r";
|
|
int bufsize = -1;
|
|
FILE *fp;
|
|
object *f;
|
|
if (!newgetargs(args, "i|si", &fd, &mode, &bufsize))
|
|
return NULL;
|
|
BGN_SAVE
|
|
fp = fdopen(fd, mode);
|
|
END_SAVE
|
|
if (fp == NULL)
|
|
return posix_error();
|
|
f = newopenfileobject(fp, "(fdopen)", mode, fclose);
|
|
if (f != NULL)
|
|
setfilebufsize(f, bufsize);
|
|
return f;
|
|
}
|
|
|
|
static object *
|
|
posix_pipe(self, args)
|
|
object *self;
|
|
object *args;
|
|
{
|
|
#if !defined(NT) || defined(HAVE_PIPE)
|
|
int fds[2];
|
|
int res;
|
|
if (!getargs(args, ""))
|
|
return NULL;
|
|
BGN_SAVE
|
|
res = pipe(fds);
|
|
END_SAVE
|
|
if (res != 0)
|
|
return posix_error();
|
|
return mkvalue("(ii)", fds[0], fds[1]);
|
|
#else /* NT */
|
|
HANDLE read, write;
|
|
BOOL ok;
|
|
if (!getargs(args, ""))
|
|
return NULL;
|
|
BGN_SAVE
|
|
ok = CreatePipe( &read, &write, NULL, 0);
|
|
END_SAVE
|
|
if (!ok)
|
|
return posix_error();
|
|
return mkvalue("(ii)", read, write);
|
|
#endif /* NT */
|
|
}
|
|
|
|
static struct methodlist posix_methods[] = {
|
|
{"chdir", posix_chdir},
|
|
{"chmod", posix_chmod},
|
|
#ifdef HAVE_CHOWN
|
|
{"chown", posix_chown},
|
|
#endif /* HAVE_CHOWN */
|
|
#ifdef HAVE_GETCWD
|
|
{"getcwd", posix_getcwd},
|
|
#endif
|
|
#ifdef HAVE_LINK
|
|
{"link", posix_link},
|
|
#endif /* HAVE_LINK */
|
|
{"listdir", posix_listdir},
|
|
{"lstat", posix_lstat},
|
|
{"mkdir", posix_mkdir, 1},
|
|
#ifdef HAVE_NICE
|
|
{"nice", posix_nice},
|
|
#endif /* HAVE_NICE */
|
|
#ifdef HAVE_READLINK
|
|
{"readlink", posix_readlink},
|
|
#endif /* HAVE_READLINK */
|
|
{"rename", posix_rename},
|
|
{"rmdir", posix_rmdir},
|
|
{"stat", posix_stat},
|
|
#ifdef HAVE_SYMLINK
|
|
{"symlink", posix_symlink},
|
|
#endif /* HAVE_SYMLINK */
|
|
{"system", posix_system},
|
|
{"umask", posix_umask},
|
|
#ifdef HAVE_UNAME
|
|
{"uname", posix_uname},
|
|
#endif /* HAVE_UNAME */
|
|
{"unlink", posix_unlink},
|
|
{"remove", posix_unlink},
|
|
{"utime", posix_utime},
|
|
#ifdef HAVE_TIMES
|
|
{"times", posix_times},
|
|
#endif /* HAVE_TIMES */
|
|
{"_exit", posix__exit},
|
|
{"execv", posix_execv},
|
|
{"execve", posix_execve},
|
|
#ifdef HAVE_FORK
|
|
{"fork", posix_fork},
|
|
#endif /* HAVE_FORK */
|
|
#ifdef HAVE_GETEGID
|
|
{"getegid", posix_getegid},
|
|
#endif /* HAVE_GETEGID */
|
|
#ifdef HAVE_GETEUID
|
|
{"geteuid", posix_geteuid},
|
|
#endif /* HAVE_GETEUID */
|
|
#ifdef HAVE_GETGID
|
|
{"getgid", posix_getgid},
|
|
#endif /* HAVE_GETGID */
|
|
{"getpid", posix_getpid},
|
|
#ifdef HAVE_GETPGRP
|
|
{"getpgrp", posix_getpgrp},
|
|
#endif /* HAVE_GETPGRP */
|
|
#ifdef HAVE_GETPPID
|
|
{"getppid", posix_getppid},
|
|
#endif /* HAVE_GETPPID */
|
|
#ifdef HAVE_GETUID
|
|
{"getuid", posix_getuid},
|
|
#endif /* HAVE_GETUID */
|
|
#ifdef HAVE_KILL
|
|
{"kill", posix_kill},
|
|
#endif /* HAVE_KILL */
|
|
{"popen", posix_popen, 1},
|
|
#ifdef HAVE_SETUID
|
|
{"setuid", posix_setuid},
|
|
#endif /* HAVE_SETUID */
|
|
#ifdef HAVE_SETGID
|
|
{"setgid", posix_setgid},
|
|
#endif /* HAVE_SETGID */
|
|
#ifdef HAVE_SETPGRP
|
|
{"setpgrp", posix_setpgrp},
|
|
#endif /* HAVE_SETPGRP */
|
|
#ifdef HAVE_WAIT
|
|
{"wait", posix_wait},
|
|
#endif /* HAVE_WAIT */
|
|
#ifdef HAVE_WAITPID
|
|
{"waitpid", posix_waitpid},
|
|
#endif /* HAVE_WAITPID */
|
|
#ifdef HAVE_SETSID
|
|
{"setsid", posix_setsid},
|
|
#endif /* HAVE_SETSID */
|
|
#ifdef HAVE_SETPGID
|
|
{"setpgid", posix_setpgid},
|
|
#endif /* HAVE_SETPGID */
|
|
#ifdef HAVE_TCGETPGRP
|
|
{"tcgetpgrp", posix_tcgetpgrp},
|
|
#endif /* HAVE_TCGETPGRP */
|
|
#ifdef HAVE_TCSETPGRP
|
|
{"tcsetpgrp", posix_tcsetpgrp},
|
|
#endif /* HAVE_TCSETPGRP */
|
|
{"open", posix_open},
|
|
{"close", posix_close},
|
|
{"dup", posix_dup},
|
|
{"dup2", posix_dup2},
|
|
{"lseek", posix_lseek},
|
|
{"read", posix_read},
|
|
{"write", posix_write},
|
|
{"fstat", posix_fstat},
|
|
{"fdopen", posix_fdopen, 1},
|
|
{"pipe", posix_pipe},
|
|
{NULL, NULL} /* Sentinel */
|
|
};
|
|
|
|
|
|
#ifdef NT
|
|
void
|
|
initnt()
|
|
{
|
|
object *m, *d, *v;
|
|
|
|
m = initmodule("nt", posix_methods);
|
|
d = getmoduledict(m);
|
|
|
|
/* Initialize nt.environ dictionary */
|
|
v = convertenviron();
|
|
if (v == NULL || dictinsert(d, "environ", v) != 0)
|
|
fatal("can't define nt.environ");
|
|
DECREF(v);
|
|
|
|
/* Initialize nt.error exception */
|
|
PosixError = newstringobject("nt.error");
|
|
if (PosixError == NULL || dictinsert(d, "error", PosixError) != 0)
|
|
fatal("can't define nt.error");
|
|
}
|
|
#else /* !NT */
|
|
void
|
|
initposix()
|
|
{
|
|
object *m, *d, *v;
|
|
|
|
m = initmodule("posix", posix_methods);
|
|
d = getmoduledict(m);
|
|
|
|
/* Initialize posix.environ dictionary */
|
|
v = convertenviron();
|
|
if (v == NULL || dictinsert(d, "environ", v) != 0)
|
|
fatal("can't define posix.environ");
|
|
DECREF(v);
|
|
|
|
#ifdef WNOHANG
|
|
/* Export WNOHANG symbol */
|
|
v = newintobject((long)WNOHANG);
|
|
if (v == NULL || dictinsert(d, "WNOHANG", v) != 0)
|
|
fatal("can't define posix.WNOHANG");
|
|
DECREF(v);
|
|
#endif
|
|
|
|
/* Initialize posix.error exception */
|
|
PosixError = newstringobject("posix.error");
|
|
if (PosixError == NULL || dictinsert(d, "error", PosixError) != 0)
|
|
fatal("can't define posix.error");
|
|
}
|
|
#endif /* !NT */
|