mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-04-30 03:40:34 +02:00
a8741caa54
net_db.c, posix.c, print.c, regex-posix.c, scmsigs.c, socket.c, stime.c, symbols.c, unif.c, vectors.c, weaks.c: Removed third argument in call to scm_make_vector.
1479 lines
33 KiB
C
1479 lines
33 KiB
C
/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA
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*
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* As a special exception, the Free Software Foundation gives permission
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* for additional uses of the text contained in its release of GUILE.
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*
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* The exception is that, if you link the GUILE library with other files
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* to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the GUILE library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the
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* Free Software Foundation under the name GUILE. If you copy
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* code from other Free Software Foundation releases into a copy of
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* GUILE, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for GUILE, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice. */
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#include <stdio.h>
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#include "_scm.h"
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#include "genio.h"
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#include "smob.h"
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#include "feature.h"
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#include "fports.h"
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#include "iselect.h"
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#include "filesys.h"
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#ifdef TIME_WITH_SYS_TIME
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# include <sys/time.h>
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# include <time.h>
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#else
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# if HAVE_SYS_TIME_H
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# include <sys/time.h>
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# else
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# include <time.h>
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# endif
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#endif
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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 LIBC_H_WITH_UNISTD_H
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#include <libc.h>
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#endif
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#ifdef HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <pwd.h>
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#if 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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# if HAVE_SYS_NDIR_H
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# include <sys/ndir.h>
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# endif
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# if HAVE_SYS_DIR_H
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# include <sys/dir.h>
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# endif
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# if HAVE_NDIR_H
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# include <ndir.h>
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# endif
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#endif
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/* Ultrix has S_IFSOCK, but no S_ISSOCK. Ipe! */
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#if defined (S_IFSOCK) && ! defined (S_ISSOCK)
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#define S_ISSOCK(mode) (((mode) & S_IFMT) == S_IFSOCK)
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#endif
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/* {Permissions}
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*/
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SCM_PROC (s_chown, "chown", 3, 0, 0, scm_chown);
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SCM
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scm_chown (object, owner, group)
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SCM object;
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SCM owner;
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SCM group;
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{
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int rv;
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int fdes;
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object = SCM_COERCE_OUTPORT (object);
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SCM_ASSERT (SCM_INUMP (owner), owner, SCM_ARG2, s_chown);
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SCM_ASSERT (SCM_INUMP (group), group, SCM_ARG3, s_chown);
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SCM_DEFER_INTS;
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if (SCM_INUMP (object) || (SCM_NIMP (object) && SCM_OPFPORTP (object)))
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{
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if (SCM_INUMP (object))
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fdes = SCM_INUM (object);
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else
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{
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fdes = fileno ((FILE *) SCM_STREAM (object));
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if (fdes == -1)
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scm_syserror (s_chown);
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}
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SCM_SYSCALL (rv = fchown (fdes, SCM_INUM (owner), SCM_INUM (group)));
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}
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else
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{
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SCM_ASSERT (SCM_NIMP (object) && SCM_ROSTRINGP (object),
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object, SCM_ARG1, s_chown);
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SCM_COERCE_SUBSTR (object);
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SCM_SYSCALL (rv = chown (SCM_ROCHARS (object),
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SCM_INUM (owner), SCM_INUM (group)));
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}
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if (rv == -1)
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scm_syserror (s_chown);
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SCM_ALLOW_INTS;
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return SCM_UNSPECIFIED;
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}
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SCM_PROC (s_chmod, "chmod", 2, 0, 0, scm_chmod);
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SCM
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scm_chmod (object, mode)
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SCM object;
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SCM mode;
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{
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int rv;
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int fdes;
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object = SCM_COERCE_OUTPORT (object);
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SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG2, s_chmod);
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SCM_DEFER_INTS;
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if (SCM_INUMP (object) || (SCM_NIMP (object) && SCM_OPFPORTP (object)))
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{
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if (SCM_INUMP (object))
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fdes = SCM_INUM (object);
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else
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{
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fdes = fileno ((FILE *) SCM_STREAM (object));
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if (fdes == -1)
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scm_syserror (s_chmod);
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}
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SCM_SYSCALL (rv = fchmod (fdes, SCM_INUM (mode)));
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}
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else
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{
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SCM_ASSERT (SCM_NIMP (object) && SCM_ROSTRINGP (object),
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object, SCM_ARG1, s_chmod);
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SCM_COERCE_SUBSTR (object);
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SCM_SYSCALL (rv = chmod (SCM_ROCHARS (object), SCM_INUM (mode)));
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}
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if (rv == -1)
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scm_syserror (s_chmod);
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SCM_ALLOW_INTS;
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return SCM_UNSPECIFIED;
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}
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SCM_PROC (s_umask, "umask", 0, 1, 0, scm_umask);
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SCM
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scm_umask (mode)
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SCM mode;
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{
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mode_t mask;
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if (SCM_UNBNDP (mode))
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{
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mask = umask (0);
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umask (mask);
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}
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else
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{
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SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG1, s_umask);
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mask = umask (SCM_INUM (mode));
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}
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return SCM_MAKINUM (mask);
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}
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SCM_PROC (s_open_fdes, "open-fdes", 2, 1, 0, scm_open_fdes);
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SCM
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scm_open_fdes (SCM path, SCM flags, SCM mode)
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{
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int fd;
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int iflags;
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int imode;
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SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, SCM_ARG1,
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s_open_fdes);
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SCM_COERCE_SUBSTR (path);
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iflags = scm_num2long (flags, (char *) SCM_ARG2, s_open_fdes);
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SCM_DEFER_INTS;
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if (SCM_UNBNDP (mode))
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imode = 0666;
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else
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{
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SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG3, s_open_fdes);
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imode = SCM_INUM (mode);
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}
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SCM_SYSCALL (fd = open (SCM_ROCHARS (path), iflags, imode));
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if (fd == -1)
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scm_syserror (s_open_fdes);
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SCM_ALLOW_INTS;
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return SCM_MAKINUM (fd);
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}
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SCM_PROC (s_open, "open", 2, 1, 0, scm_open);
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SCM
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scm_open (SCM path, SCM flags, SCM mode)
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{
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SCM newpt;
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char *port_mode;
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int fd;
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FILE *f;
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int iflags;
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fd = SCM_INUM (scm_open_fdes (path, flags, mode));
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iflags = scm_num2long (flags, (char *) SCM_ARG2, s_open_fdes);
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SCM_NEWCELL (newpt);
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if (iflags & O_RDWR)
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port_mode = "r+";
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else {
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if (iflags & O_WRONLY)
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port_mode = "w";
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else
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port_mode = "r";
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}
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SCM_DEFER_INTS;
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f = fdopen (fd, port_mode);
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if (!f)
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{
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SCM_SYSCALL (close (fd));
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scm_syserror (s_open);
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}
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{
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struct scm_port_table * pt;
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pt = scm_add_to_port_table (newpt);
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SCM_SETPTAB_ENTRY (newpt, pt);
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SCM_SETCAR (newpt, scm_tc16_fport | scm_mode_bits (port_mode));
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/* if (SCM_BUF0 & SCM_CAR (newpt))
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scm_setbuf0 (newpt); */
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SCM_SETSTREAM (newpt, (SCM)f);
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SCM_PTAB_ENTRY (newpt)->file_name = path;
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}
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SCM_ALLOW_INTS;
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return newpt;
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}
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SCM_PROC (s_close, "close", 1, 0, 0, scm_close);
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SCM
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scm_close (SCM fd_or_port)
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{
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int rv;
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int fd;
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fd_or_port = SCM_COERCE_OUTPORT (fd_or_port);
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if (SCM_NIMP (fd_or_port) && SCM_PORTP (fd_or_port))
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return scm_close_port (fd_or_port);
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SCM_ASSERT (SCM_INUMP (fd_or_port), fd_or_port, SCM_ARG1, s_close);
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fd = SCM_INUM (fd_or_port);
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SCM_DEFER_INTS;
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scm_evict_ports (fd); /* see scsh manual. */
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SCM_SYSCALL (rv = close (fd));
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/* following scsh, closing an already closed file descriptor is
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not an error. */
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if (rv < 0 && errno != EBADF)
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scm_syserror (s_close);
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SCM_ALLOW_INTS;
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return (rv < 0) ? SCM_BOOL_F : SCM_BOOL_T;
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}
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/* {Files}
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*/
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SCM_SYMBOL (scm_sym_regular, "regular");
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SCM_SYMBOL (scm_sym_directory, "directory");
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SCM_SYMBOL (scm_sym_symlink, "symlink");
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SCM_SYMBOL (scm_sym_block_special, "block-special");
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SCM_SYMBOL (scm_sym_char_special, "char-special");
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SCM_SYMBOL (scm_sym_fifo, "fifo");
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SCM_SYMBOL (scm_sym_sock, "socket");
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SCM_SYMBOL (scm_sym_unknown, "unknown");
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static SCM scm_stat2scm SCM_P ((struct stat *stat_temp));
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static SCM
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scm_stat2scm (stat_temp)
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struct stat *stat_temp;
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{
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SCM ans = scm_make_vector (SCM_MAKINUM (15), SCM_UNSPECIFIED);
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SCM *ve = SCM_VELTS (ans);
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ve[0] = scm_ulong2num ((unsigned long) stat_temp->st_dev);
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ve[1] = scm_ulong2num ((unsigned long) stat_temp->st_ino);
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ve[2] = scm_ulong2num ((unsigned long) stat_temp->st_mode);
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ve[3] = scm_ulong2num ((unsigned long) stat_temp->st_nlink);
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ve[4] = scm_ulong2num ((unsigned long) stat_temp->st_uid);
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ve[5] = scm_ulong2num ((unsigned long) stat_temp->st_gid);
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#ifdef HAVE_ST_RDEV
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ve[6] = scm_ulong2num ((unsigned long) stat_temp->st_rdev);
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#else
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ve[6] = SCM_BOOL_F;
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#endif
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ve[7] = scm_ulong2num ((unsigned long) stat_temp->st_size);
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ve[8] = scm_ulong2num ((unsigned long) stat_temp->st_atime);
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ve[9] = scm_ulong2num ((unsigned long) stat_temp->st_mtime);
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ve[10] = scm_ulong2num ((unsigned long) stat_temp->st_ctime);
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#ifdef HAVE_ST_BLKSIZE
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ve[11] = scm_ulong2num ((unsigned long) stat_temp->st_blksize);
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#else
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ve[11] = scm_ulong2num (4096L);
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#endif
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#ifdef HAVE_ST_BLOCKS
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ve[12] = scm_ulong2num ((unsigned long) stat_temp->st_blocks);
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#else
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ve[12] = SCM_BOOL_F;
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#endif
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{
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int mode = stat_temp->st_mode;
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if (S_ISREG (mode))
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ve[13] = scm_sym_regular;
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else if (S_ISDIR (mode))
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ve[13] = scm_sym_directory;
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else if (S_ISLNK (mode))
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ve[13] = scm_sym_symlink;
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else if (S_ISBLK (mode))
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ve[13] = scm_sym_block_special;
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else if (S_ISCHR (mode))
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ve[13] = scm_sym_char_special;
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else if (S_ISFIFO (mode))
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ve[13] = scm_sym_fifo;
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else if (S_ISSOCK (mode))
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ve[13] = scm_sym_sock;
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else
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ve[13] = scm_sym_unknown;
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ve[14] = SCM_MAKINUM ((~S_IFMT) & mode);
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/* the layout of the bits in ve[14] is intended to be portable.
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If there are systems that don't follow the usual convention,
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the following could be used:
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tmp = 0;
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if (S_ISUID & mode) tmp += 1;
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tmp <<= 1;
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if (S_IRGRP & mode) tmp += 1;
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tmp <<= 1;
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if (S_ISVTX & mode) tmp += 1;
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tmp <<= 1;
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if (S_IRUSR & mode) tmp += 1;
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tmp <<= 1;
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if (S_IWUSR & mode) tmp += 1;
|
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tmp <<= 1;
|
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if (S_IXUSR & mode) tmp += 1;
|
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tmp <<= 1;
|
||
if (S_IWGRP & mode) tmp += 1;
|
||
tmp <<= 1;
|
||
if (S_IXGRP & mode) tmp += 1;
|
||
tmp <<= 1;
|
||
if (S_IROTH & mode) tmp += 1;
|
||
tmp <<= 1;
|
||
if (S_IWOTH & mode) tmp += 1;
|
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tmp <<= 1;
|
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if (S_IXOTH & mode) tmp += 1;
|
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|
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ve[14] = SCM_MAKINUM (tmp);
|
||
|
||
*/
|
||
}
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||
|
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return ans;
|
||
}
|
||
|
||
SCM_PROC (s_stat, "stat", 1, 0, 0, scm_stat);
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||
|
||
SCM
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||
scm_stat (object)
|
||
SCM object;
|
||
{
|
||
int rv;
|
||
int fdes;
|
||
struct stat stat_temp;
|
||
|
||
SCM_DEFER_INTS;
|
||
if (SCM_INUMP (object))
|
||
SCM_SYSCALL (rv = fstat (SCM_INUM (object), &stat_temp));
|
||
else
|
||
{
|
||
SCM_ASSERT (SCM_NIMP (object), object, SCM_ARG1, s_stat);
|
||
if (SCM_ROSTRINGP (object))
|
||
{
|
||
SCM_COERCE_SUBSTR (object);
|
||
SCM_SYSCALL (rv = stat (SCM_ROCHARS (object), &stat_temp));
|
||
}
|
||
else
|
||
{
|
||
object = SCM_COERCE_OUTPORT (object);
|
||
SCM_ASSERT (SCM_OPFPORTP (object), object, SCM_ARG1, s_stat);
|
||
fdes = fileno ((FILE *) SCM_STREAM (object));
|
||
if (fdes == -1)
|
||
scm_syserror (s_stat);
|
||
SCM_SYSCALL (rv = fstat (fdes, &stat_temp));
|
||
}
|
||
}
|
||
if (rv == -1)
|
||
{
|
||
int en = errno;
|
||
|
||
scm_syserror_msg (s_stat, "%s: %S",
|
||
scm_listify (scm_makfrom0str (strerror (errno)),
|
||
object,
|
||
SCM_UNDEFINED),
|
||
en);
|
||
}
|
||
SCM_ALLOW_INTS;
|
||
return scm_stat2scm (&stat_temp);
|
||
}
|
||
|
||
SCM scm_dot_string;
|
||
|
||
SCM_PROC (s_dirname, "dirname", 1, 0, 0, scm_dirname);
|
||
|
||
SCM
|
||
scm_dirname (SCM filename)
|
||
{
|
||
char *s;
|
||
int i, len;
|
||
SCM_ASSERT (SCM_NIMP (filename) && SCM_ROSTRINGP (filename),
|
||
filename,
|
||
SCM_ARG1,
|
||
s_dirname);
|
||
s = SCM_ROCHARS (filename);
|
||
len = SCM_LENGTH (filename);
|
||
i = len - 1;
|
||
while (i >= 0 && s[i] == '/') --i;
|
||
while (i >= 0 && s[i] != '/') --i;
|
||
while (i >= 0 && s[i] == '/') --i;
|
||
if (i < 0)
|
||
{
|
||
if (len > 0 && s[0] == '/')
|
||
return scm_make_shared_substring (filename, SCM_INUM0, SCM_MAKINUM (1));
|
||
else
|
||
return scm_dot_string;
|
||
}
|
||
else
|
||
return scm_make_shared_substring (filename, SCM_INUM0, SCM_MAKINUM (i + 1));
|
||
}
|
||
|
||
SCM_PROC (s_basename, "basename", 1, 1, 0, scm_basename);
|
||
|
||
SCM
|
||
scm_basename (SCM filename, SCM suffix)
|
||
{
|
||
char *f, *s = 0;
|
||
int i, j, len, end;
|
||
SCM_ASSERT (SCM_NIMP (filename) && SCM_ROSTRINGP (filename),
|
||
filename,
|
||
SCM_ARG1,
|
||
s_basename);
|
||
SCM_ASSERT (SCM_UNBNDP (suffix)
|
||
|| (SCM_NIMP (suffix) && SCM_ROSTRINGP (suffix)),
|
||
suffix,
|
||
SCM_ARG2,
|
||
s_basename);
|
||
f = SCM_ROCHARS (filename);
|
||
if (SCM_UNBNDP (suffix))
|
||
j = -1;
|
||
else
|
||
{
|
||
s = SCM_ROCHARS (suffix);
|
||
j = SCM_LENGTH (suffix) - 1;
|
||
}
|
||
len = SCM_LENGTH (filename);
|
||
i = len - 1;
|
||
while (i >= 0 && f[i] == '/') --i;
|
||
end = i;
|
||
while (i >= 0 && j >= 0 && f[i] == s[j]) --i, --j;
|
||
if (j == -1)
|
||
end = i;
|
||
while (i >= 0 && f[i] != '/') --i;
|
||
if (i == end)
|
||
{
|
||
if (len > 0 && f[0] == '/')
|
||
return scm_make_shared_substring (filename, SCM_INUM0, SCM_MAKINUM (1));
|
||
else
|
||
return scm_dot_string;
|
||
}
|
||
else
|
||
return scm_make_shared_substring (filename,
|
||
SCM_MAKINUM (i + 1),
|
||
SCM_MAKINUM (end + 1));
|
||
}
|
||
|
||
|
||
/* {Modifying Directories}
|
||
*/
|
||
|
||
SCM_PROC (s_link, "link", 2, 0, 0, scm_link);
|
||
|
||
SCM
|
||
scm_link (oldpath, newpath)
|
||
SCM oldpath;
|
||
SCM newpath;
|
||
{
|
||
int val;
|
||
|
||
SCM_ASSERT (SCM_NIMP (oldpath) && SCM_ROSTRINGP (oldpath), oldpath,
|
||
SCM_ARG1, s_link);
|
||
if (SCM_SUBSTRP (oldpath))
|
||
oldpath = scm_makfromstr (SCM_ROCHARS (oldpath),
|
||
SCM_ROLENGTH (oldpath), 0);
|
||
SCM_ASSERT (SCM_NIMP (newpath) && SCM_ROSTRINGP (newpath), newpath,
|
||
SCM_ARG2, s_link);
|
||
if (SCM_SUBSTRP (newpath))
|
||
newpath = scm_makfromstr (SCM_ROCHARS (newpath),
|
||
SCM_ROLENGTH (newpath), 0);
|
||
SCM_DEFER_INTS;
|
||
SCM_SYSCALL (val = link (SCM_ROCHARS (oldpath), SCM_ROCHARS (newpath)));
|
||
if (val != 0)
|
||
scm_syserror (s_link);
|
||
SCM_ALLOW_INTS;
|
||
return SCM_UNSPECIFIED;
|
||
}
|
||
|
||
|
||
|
||
SCM_PROC (s_rename, "rename-file", 2, 0, 0, scm_rename);
|
||
|
||
SCM
|
||
scm_rename (oldname, newname)
|
||
SCM oldname;
|
||
SCM newname;
|
||
{
|
||
int rv;
|
||
SCM_ASSERT (SCM_NIMP (oldname) && SCM_ROSTRINGP (oldname), oldname, SCM_ARG1,
|
||
s_rename);
|
||
SCM_ASSERT (SCM_NIMP (newname) && SCM_ROSTRINGP (newname), newname, SCM_ARG2,
|
||
s_rename);
|
||
SCM_COERCE_SUBSTR (oldname);
|
||
SCM_COERCE_SUBSTR (newname);
|
||
SCM_DEFER_INTS;
|
||
#ifdef HAVE_RENAME
|
||
SCM_SYSCALL (rv = rename (SCM_ROCHARS (oldname), SCM_ROCHARS (newname)));
|
||
#else
|
||
SCM_SYSCALL (rv = link (SCM_ROCHARS (oldname), SCM_ROCHARS (newname)));
|
||
if (rv == 0)
|
||
{
|
||
SCM_SYSCALL (rv = unlink (SCM_ROCHARS (oldname)));;
|
||
if (rv != 0)
|
||
/* unlink failed. remove new name */
|
||
SCM_SYSCALL (unlink (SCM_ROCHARS (newname)));
|
||
}
|
||
#endif
|
||
if (rv != 0)
|
||
scm_syserror (s_rename);
|
||
SCM_ALLOW_INTS;
|
||
return SCM_UNSPECIFIED;
|
||
}
|
||
|
||
|
||
SCM_PROC(s_delete_file, "delete-file", 1, 0, 0, scm_delete_file);
|
||
|
||
SCM
|
||
scm_delete_file (str)
|
||
SCM str;
|
||
{
|
||
int ans;
|
||
SCM_ASSERT (SCM_NIMP (str) && SCM_ROSTRINGP (str), str, SCM_ARG1,
|
||
s_delete_file);
|
||
SCM_COERCE_SUBSTR (str);
|
||
SCM_DEFER_INTS;
|
||
SCM_SYSCALL (ans = unlink (SCM_ROCHARS (str)));
|
||
if (ans != 0)
|
||
scm_syserror (s_delete_file);
|
||
SCM_ALLOW_INTS;
|
||
return SCM_UNSPECIFIED;
|
||
}
|
||
|
||
SCM_PROC (s_truncate_file, "truncate-file", 2, 0, 0, scm_truncate_file);
|
||
SCM
|
||
scm_truncate_file (SCM object, SCM size)
|
||
{
|
||
int rv;
|
||
scm_sizet csize;
|
||
int fdes;
|
||
|
||
object = SCM_COERCE_OUTPORT (object);
|
||
|
||
csize = (scm_sizet) scm_num2long (size, (char *) SCM_ARG2, s_truncate_file);
|
||
SCM_DEFER_INTS;
|
||
if (SCM_INUMP (object) || (SCM_NIMP (object) && SCM_OPFPORTP (object)))
|
||
{
|
||
if (SCM_INUMP (object))
|
||
fdes = SCM_INUM (object);
|
||
else
|
||
{
|
||
fdes = fileno ((FILE *) SCM_STREAM (object));
|
||
if (fdes == -1)
|
||
scm_syserror (s_truncate_file);
|
||
}
|
||
SCM_SYSCALL (rv = ftruncate (fdes, csize));
|
||
}
|
||
else
|
||
{
|
||
SCM_ASSERT (SCM_NIMP (object) && SCM_ROSTRINGP (object),
|
||
object, SCM_ARG1, s_chown);
|
||
SCM_COERCE_SUBSTR (object);
|
||
SCM_SYSCALL (rv = truncate (SCM_ROCHARS (object), csize));
|
||
}
|
||
if (rv == -1)
|
||
scm_syserror (s_truncate_file);
|
||
SCM_ALLOW_INTS;
|
||
return SCM_UNSPECIFIED;
|
||
}
|
||
|
||
SCM_PROC (s_mkdir, "mkdir", 1, 1, 0, scm_mkdir);
|
||
|
||
SCM
|
||
scm_mkdir (path, mode)
|
||
SCM path;
|
||
SCM mode;
|
||
{
|
||
#ifdef HAVE_MKDIR
|
||
int rv;
|
||
mode_t mask;
|
||
SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, SCM_ARG1,
|
||
s_mkdir);
|
||
SCM_COERCE_SUBSTR (path);
|
||
SCM_DEFER_INTS;
|
||
if (SCM_UNBNDP (mode))
|
||
{
|
||
mask = umask (0);
|
||
umask (mask);
|
||
SCM_SYSCALL (rv = mkdir (SCM_ROCHARS (path), 0777 ^ mask));
|
||
}
|
||
else
|
||
{
|
||
SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG2, s_mkdir);
|
||
SCM_SYSCALL (rv = mkdir (SCM_ROCHARS (path), SCM_INUM (mode)));
|
||
}
|
||
if (rv != 0)
|
||
scm_syserror (s_mkdir);
|
||
SCM_ALLOW_INTS;
|
||
return SCM_UNSPECIFIED;
|
||
#else
|
||
scm_sysmissing (s_mkdir);
|
||
/* not reached. */
|
||
return SCM_BOOL_F;
|
||
#endif
|
||
}
|
||
|
||
|
||
SCM_PROC (s_rmdir, "rmdir", 1, 0, 0, scm_rmdir);
|
||
|
||
SCM
|
||
scm_rmdir (path)
|
||
SCM path;
|
||
{
|
||
#ifdef HAVE_RMDIR
|
||
int val;
|
||
|
||
SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, SCM_ARG1,
|
||
s_rmdir);
|
||
SCM_COERCE_SUBSTR (path);
|
||
SCM_DEFER_INTS;
|
||
SCM_SYSCALL (val = rmdir (SCM_ROCHARS (path)));
|
||
if (val != 0)
|
||
scm_syserror (s_rmdir);
|
||
SCM_ALLOW_INTS;
|
||
return SCM_UNSPECIFIED;
|
||
#else
|
||
scm_sysmissing (s_rmdir);
|
||
/* not reached. */
|
||
return SCM_BOOL_F;
|
||
#endif
|
||
}
|
||
|
||
|
||
/* {Examining Directories}
|
||
*/
|
||
|
||
long scm_tc16_dir;
|
||
|
||
SCM_PROC (s_opendir, "opendir", 1, 0, 0, scm_opendir);
|
||
|
||
SCM
|
||
scm_opendir (dirname)
|
||
SCM dirname;
|
||
{
|
||
DIR *ds;
|
||
SCM dir;
|
||
SCM_ASSERT (SCM_NIMP (dirname) && SCM_ROSTRINGP (dirname), dirname, SCM_ARG1,
|
||
s_opendir);
|
||
SCM_COERCE_SUBSTR (dirname);
|
||
SCM_NEWCELL (dir);
|
||
SCM_DEFER_INTS;
|
||
SCM_SYSCALL (ds = opendir (SCM_ROCHARS (dirname)));
|
||
if (ds == NULL)
|
||
scm_syserror (s_opendir);
|
||
SCM_SETCAR (dir, scm_tc16_dir | SCM_OPN);
|
||
SCM_SETCDR (dir, ds);
|
||
SCM_ALLOW_INTS;
|
||
return dir;
|
||
}
|
||
|
||
|
||
SCM_PROC (s_readdir, "readdir", 1, 0, 0, scm_readdir);
|
||
|
||
SCM
|
||
scm_readdir (port)
|
||
SCM port;
|
||
{
|
||
struct dirent *rdent;
|
||
SCM_DEFER_INTS;
|
||
SCM_ASSERT (SCM_NIMP (port) && SCM_OPDIRP (port), port, SCM_ARG1, s_readdir);
|
||
errno = 0;
|
||
SCM_SYSCALL (rdent = readdir ((DIR *) SCM_CDR (port)));
|
||
SCM_ALLOW_INTS;
|
||
if (errno != 0)
|
||
scm_syserror (s_readdir);
|
||
return (rdent ? scm_makfromstr (rdent->d_name, NAMLEN (rdent), 0)
|
||
: SCM_EOF_VAL);
|
||
}
|
||
|
||
|
||
|
||
SCM_PROC (s_rewinddir, "rewinddir", 1, 0, 0, scm_rewinddir);
|
||
|
||
SCM
|
||
scm_rewinddir (port)
|
||
SCM port;
|
||
{
|
||
SCM_ASSERT (SCM_NIMP (port) && SCM_OPDIRP (port), port, SCM_ARG1, s_rewinddir);
|
||
rewinddir ((DIR *) SCM_CDR (port));
|
||
return SCM_UNSPECIFIED;
|
||
}
|
||
|
||
|
||
|
||
SCM_PROC (s_closedir, "closedir", 1, 0, 0, scm_closedir);
|
||
|
||
SCM
|
||
scm_closedir (port)
|
||
SCM port;
|
||
{
|
||
int sts;
|
||
|
||
SCM_ASSERT (SCM_NIMP (port) && SCM_DIRP (port), port, SCM_ARG1, s_closedir);
|
||
SCM_DEFER_INTS;
|
||
if (SCM_CLOSEDP (port))
|
||
{
|
||
SCM_ALLOW_INTS;
|
||
return SCM_UNSPECIFIED;
|
||
}
|
||
SCM_SYSCALL (sts = closedir ((DIR *) SCM_CDR (port)));
|
||
if (sts != 0)
|
||
scm_syserror (s_closedir);
|
||
SCM_SETCAR (port, scm_tc16_dir);
|
||
SCM_ALLOW_INTS;
|
||
return SCM_UNSPECIFIED;
|
||
}
|
||
|
||
|
||
|
||
|
||
static int scm_dir_print SCM_P ((SCM sexp, SCM port, scm_print_state *pstate));
|
||
|
||
static int
|
||
scm_dir_print (sexp, port, pstate)
|
||
SCM sexp;
|
||
SCM port;
|
||
scm_print_state *pstate;
|
||
{
|
||
scm_prinport (sexp, port, "directory");
|
||
return 1;
|
||
}
|
||
|
||
|
||
static scm_sizet scm_dir_free SCM_P ((SCM p));
|
||
|
||
static scm_sizet
|
||
scm_dir_free (p)
|
||
SCM p;
|
||
{
|
||
if (SCM_OPENP (p))
|
||
closedir ((DIR *) SCM_CDR (p));
|
||
return 0;
|
||
}
|
||
|
||
static scm_smobfuns dir_smob = {scm_mark0, scm_dir_free, scm_dir_print, 0};
|
||
|
||
|
||
/* {Navigating Directories}
|
||
*/
|
||
|
||
|
||
SCM_PROC (s_chdir, "chdir", 1, 0, 0, scm_chdir);
|
||
|
||
SCM
|
||
scm_chdir (str)
|
||
SCM str;
|
||
{
|
||
int ans;
|
||
|
||
SCM_ASSERT (SCM_NIMP (str) && SCM_ROSTRINGP (str), str, SCM_ARG1, s_chdir);
|
||
SCM_COERCE_SUBSTR (str);
|
||
SCM_DEFER_INTS;
|
||
SCM_SYSCALL (ans = chdir (SCM_ROCHARS (str)));
|
||
if (ans != 0)
|
||
scm_syserror (s_chdir);
|
||
SCM_ALLOW_INTS;
|
||
return SCM_UNSPECIFIED;
|
||
}
|
||
|
||
|
||
|
||
SCM_PROC (s_getcwd, "getcwd", 0, 0, 0, scm_getcwd);
|
||
|
||
SCM
|
||
scm_getcwd ()
|
||
{
|
||
#ifdef HAVE_GETCWD
|
||
char *rv;
|
||
|
||
scm_sizet size = 100;
|
||
char *wd;
|
||
SCM result;
|
||
|
||
SCM_DEFER_INTS;
|
||
wd = scm_must_malloc (size, s_getcwd);
|
||
while ((rv = getcwd (wd, size)) == 0 && errno == ERANGE)
|
||
{
|
||
scm_must_free (wd);
|
||
size *= 2;
|
||
wd = scm_must_malloc (size, s_getcwd);
|
||
}
|
||
if (rv == 0)
|
||
scm_syserror (s_getcwd);
|
||
result = scm_makfromstr (wd, strlen (wd), 0);
|
||
scm_must_free (wd);
|
||
SCM_ALLOW_INTS;
|
||
return result;
|
||
#else
|
||
scm_sysmissing (s_getcwd);
|
||
/* not reached. */
|
||
return SCM_BOOL_F;
|
||
#endif
|
||
}
|
||
|
||
|
||
|
||
SCM_PROC (s_select, "select", 3, 2, 0, scm_select);
|
||
|
||
|
||
static int
|
||
set_element (SELECT_TYPE *set, SCM element, int arg)
|
||
{
|
||
int fd;
|
||
element = SCM_COERCE_OUTPORT (element);
|
||
if (SCM_NIMP (element) && SCM_TYP16 (element) == scm_tc16_fport
|
||
&& SCM_OPPORTP (element))
|
||
fd = fileno ((FILE *) SCM_STREAM (element));
|
||
else {
|
||
SCM_ASSERT (SCM_INUMP (element), element, arg, s_select);
|
||
fd = SCM_INUM (element);
|
||
}
|
||
FD_SET (fd, set);
|
||
return fd;
|
||
}
|
||
|
||
static int
|
||
fill_select_type (SELECT_TYPE *set, SCM list, int arg)
|
||
{
|
||
int max_fd = 0, fd;
|
||
if (SCM_NIMP (list) && SCM_VECTORP (list))
|
||
{
|
||
int len = SCM_LENGTH (list);
|
||
SCM *ve = SCM_VELTS (list);
|
||
|
||
while (len > 0)
|
||
{
|
||
fd = set_element (set, ve[len - 1], arg);
|
||
if (fd > max_fd)
|
||
max_fd = fd;
|
||
len--;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
while (list != SCM_EOL)
|
||
{
|
||
fd = set_element (set, SCM_CAR (list), arg);
|
||
if (fd > max_fd)
|
||
max_fd = fd;
|
||
list = SCM_CDR (list);
|
||
}
|
||
}
|
||
|
||
return max_fd;
|
||
}
|
||
|
||
static SCM
|
||
get_element (SELECT_TYPE *set, SCM element, SCM list)
|
||
{
|
||
element = SCM_COERCE_OUTPORT (element);
|
||
if (SCM_NIMP (element)
|
||
&& (scm_tc16_fport == SCM_TYP16 (element))
|
||
&& SCM_OPPORTP (element))
|
||
{
|
||
if (FD_ISSET (fileno ((FILE *)SCM_STREAM (element)), set))
|
||
list = scm_cons (element, list);
|
||
}
|
||
else if (SCM_INUMP (element))
|
||
{
|
||
if (FD_ISSET (SCM_INUM (element), set))
|
||
list = scm_cons (element, list);
|
||
}
|
||
return list;
|
||
}
|
||
|
||
static SCM
|
||
retrieve_select_type (SELECT_TYPE *set, SCM list)
|
||
{
|
||
SCM answer_list = SCM_EOL;
|
||
|
||
if (SCM_NIMP (list) && SCM_VECTORP (list))
|
||
{
|
||
int len = SCM_LENGTH (list);
|
||
SCM *ve = SCM_VELTS (list);
|
||
|
||
while (len > 0)
|
||
{
|
||
answer_list = get_element (set, ve[len - 1], answer_list);
|
||
len--;
|
||
}
|
||
return scm_vector (answer_list);
|
||
}
|
||
else
|
||
{
|
||
/* list is a list. */
|
||
while (list != SCM_EOL)
|
||
{
|
||
answer_list = get_element (set, SCM_CAR (list), answer_list);
|
||
list = SCM_CDR (list);
|
||
}
|
||
return answer_list;
|
||
}
|
||
}
|
||
|
||
|
||
SCM
|
||
scm_select (reads, writes, excepts, secs, usecs)
|
||
SCM reads;
|
||
SCM writes;
|
||
SCM excepts;
|
||
SCM secs;
|
||
SCM usecs;
|
||
{
|
||
#ifdef HAVE_SELECT
|
||
struct timeval timeout;
|
||
struct timeval * time_p;
|
||
SELECT_TYPE read_set;
|
||
SELECT_TYPE write_set;
|
||
SELECT_TYPE except_set;
|
||
int max_fd, fd;
|
||
int sreturn;
|
||
|
||
#define assert_set(x, arg) \
|
||
SCM_ASSERT (scm_ilength (x) > -1 || (SCM_NIMP (x) && SCM_VECTORP (x)), \
|
||
x, arg, s_select)
|
||
assert_set (reads, SCM_ARG1);
|
||
assert_set (writes, SCM_ARG2);
|
||
assert_set (excepts, SCM_ARG3);
|
||
#undef assert_set
|
||
|
||
FD_ZERO (&read_set);
|
||
FD_ZERO (&write_set);
|
||
FD_ZERO (&except_set);
|
||
|
||
max_fd = fill_select_type (&read_set, reads, SCM_ARG1);
|
||
fd = fill_select_type (&write_set, writes, SCM_ARG2);
|
||
if (fd > max_fd)
|
||
max_fd = fd;
|
||
fd = fill_select_type (&except_set, excepts, SCM_ARG3);
|
||
if (fd > max_fd)
|
||
max_fd = fd;
|
||
|
||
if (SCM_UNBNDP (secs) || SCM_FALSEP (secs))
|
||
time_p = 0;
|
||
else
|
||
{
|
||
if (SCM_INUMP (secs))
|
||
{
|
||
timeout.tv_sec = SCM_INUM (secs);
|
||
if (SCM_UNBNDP (usecs))
|
||
timeout.tv_usec = 0;
|
||
else
|
||
{
|
||
SCM_ASSERT (SCM_INUMP (usecs), usecs, SCM_ARG5, s_select);
|
||
|
||
timeout.tv_usec = SCM_INUM (usecs);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
double fl = scm_num2dbl (secs, s_select);
|
||
|
||
if (!SCM_UNBNDP (usecs))
|
||
scm_wrong_type_arg (s_select, 4, secs);
|
||
if (fl > LONG_MAX)
|
||
scm_out_of_range (s_select, secs);
|
||
timeout.tv_sec = (long) fl;
|
||
timeout.tv_usec = (long) ((fl - timeout.tv_sec) * 1000000);
|
||
}
|
||
time_p = &timeout;
|
||
}
|
||
|
||
#ifdef GUILE_ISELECT
|
||
sreturn = scm_internal_select (max_fd + 1,
|
||
&read_set, &write_set, &except_set, time_p);
|
||
#else
|
||
SCM_DEFER_INTS;
|
||
sreturn = select (max_fd + 1,
|
||
&read_set, &write_set, &except_set, time_p);
|
||
SCM_ALLOW_INTS;
|
||
#endif
|
||
if (sreturn < 0)
|
||
scm_syserror (s_select);
|
||
return scm_listify (retrieve_select_type (&read_set, reads),
|
||
retrieve_select_type (&write_set, writes),
|
||
retrieve_select_type (&except_set, excepts),
|
||
SCM_UNDEFINED);
|
||
#else
|
||
scm_sysmissing (s_select);
|
||
/* not reached. */
|
||
return SCM_BOOL_F;
|
||
#endif
|
||
}
|
||
|
||
/* Check if FILE has characters waiting to be read. */
|
||
|
||
#ifdef __IBMC__
|
||
# define MSDOS
|
||
#endif
|
||
#ifdef MSDOS
|
||
# ifndef GO32
|
||
# include <io.h>
|
||
# include <conio.h>
|
||
|
||
int
|
||
scm_input_waiting_p (f, caller)
|
||
FILE *f;
|
||
char *caller;
|
||
{
|
||
if (feof (f))
|
||
return 1;
|
||
if (fileno (f) == fileno (stdin) && (isatty (fileno (stdin))))
|
||
return kbhit ();
|
||
return -1;
|
||
}
|
||
|
||
# endif
|
||
#else
|
||
# ifdef _DCC
|
||
# include <ioctl.h>
|
||
# else
|
||
# ifndef AMIGA
|
||
# ifndef vms
|
||
# ifdef MWC
|
||
# include <sys/io.h>
|
||
# else
|
||
# ifndef THINK_C
|
||
# ifndef ARM_ULIB
|
||
# include <sys/ioctl.h>
|
||
# endif
|
||
# endif
|
||
# endif
|
||
# endif
|
||
# endif
|
||
# endif
|
||
|
||
int
|
||
scm_input_waiting_p (f, caller)
|
||
FILE *f;
|
||
char *caller;
|
||
{
|
||
/* Can we return an end-of-file character? */
|
||
if (feof (f))
|
||
return 1;
|
||
|
||
/* Do we have characters in the stdio buffer? */
|
||
# ifdef FILE_CNT_FIELD
|
||
if (f->FILE_CNT_FIELD > 0)
|
||
return 1;
|
||
# else
|
||
# ifdef FILE_CNT_GPTR
|
||
if (f->_gptr != f->_egptr)
|
||
return 1;
|
||
# else
|
||
# ifdef FILE_CNT_READPTR
|
||
if (f->_IO_read_end != f->_IO_read_ptr)
|
||
return 1;
|
||
# else
|
||
Configure.in could not guess the name of the correct field in a FILE *.
|
||
This function needs to be ported to your system.
|
||
It should return zero iff no characters are waiting to be read.;
|
||
# endif
|
||
# endif
|
||
# endif
|
||
|
||
/* Is the file prepared to deliver input? */
|
||
# ifdef HAVE_SELECT
|
||
{
|
||
struct timeval timeout;
|
||
SELECT_TYPE read_set;
|
||
SELECT_TYPE write_set;
|
||
SELECT_TYPE except_set;
|
||
int fno = fileno ((FILE *)f);
|
||
|
||
FD_ZERO (&read_set);
|
||
FD_ZERO (&write_set);
|
||
FD_ZERO (&except_set);
|
||
|
||
FD_SET (fno, &read_set);
|
||
|
||
timeout.tv_sec = 0;
|
||
timeout.tv_usec = 0;
|
||
|
||
SCM_DEFER_INTS;
|
||
if (select (SELECT_SET_SIZE,
|
||
&read_set, &write_set, &except_set, &timeout)
|
||
< 0)
|
||
scm_syserror (caller);
|
||
SCM_ALLOW_INTS;
|
||
return FD_ISSET (fno, &read_set);
|
||
}
|
||
# else
|
||
# ifdef FIONREAD
|
||
{
|
||
long remir;
|
||
ioctl(fileno(f), FIONREAD, &remir);
|
||
return remir;
|
||
}
|
||
# else
|
||
scm_misc_error ("char-ready?", "Not fully implemented on this platform",
|
||
SCM_EOL);
|
||
# endif
|
||
# endif
|
||
}
|
||
#endif
|
||
|
||
|
||
|
||
SCM_PROC (s_fcntl, "fcntl", 2, 0, 1, scm_fcntl);
|
||
SCM
|
||
scm_fcntl (SCM object, SCM cmd, SCM value)
|
||
{
|
||
int rv;
|
||
int fdes;
|
||
int ivalue;
|
||
|
||
object = SCM_COERCE_OUTPORT (object);
|
||
|
||
SCM_ASSERT (SCM_INUMP (cmd), cmd, SCM_ARG2, s_fcntl);
|
||
if (SCM_NIMP (object) && SCM_OPFPORTP (object))
|
||
fdes = fileno ((FILE *) SCM_STREAM (object));
|
||
else
|
||
{
|
||
SCM_ASSERT (SCM_INUMP (object), object, SCM_ARG1, s_fcntl);
|
||
fdes = SCM_INUM (object);
|
||
}
|
||
if (SCM_NULLP (value))
|
||
ivalue = 0;
|
||
else
|
||
{
|
||
SCM_ASSERT (SCM_INUMP (SCM_CAR (value)), value, SCM_ARG3, s_fcntl);
|
||
ivalue = SCM_INUM (SCM_CAR (value));
|
||
}
|
||
SCM_DEFER_INTS;
|
||
if (fdes != -1)
|
||
SCM_SYSCALL (rv = fcntl (fdes, SCM_INUM (cmd), ivalue));
|
||
else
|
||
rv = 0; /* avoid compiler warning. */
|
||
if (rv == -1 || fdes == -1)
|
||
scm_syserror (s_fcntl);
|
||
SCM_ALLOW_INTS;
|
||
return SCM_MAKINUM (rv);
|
||
}
|
||
|
||
SCM_PROC (s_fsync, "fsync", 1, 0, 0, scm_fsync);
|
||
SCM
|
||
scm_fsync (SCM object)
|
||
{
|
||
int fdes;
|
||
|
||
object = SCM_COERCE_OUTPORT (object);
|
||
|
||
SCM_DEFER_INTS;
|
||
if (SCM_NIMP (object) && SCM_OPFPORTP (object))
|
||
{
|
||
scm_force_output (object);
|
||
fdes = fileno ((FILE *) SCM_STREAM (object));
|
||
if (fdes == -1)
|
||
scm_syserror (s_fsync);
|
||
}
|
||
else
|
||
{
|
||
SCM_ASSERT (SCM_INUMP (object), object, SCM_ARG1, s_fsync);
|
||
fdes = SCM_INUM (object);
|
||
}
|
||
if (fsync (fdes) == -1)
|
||
scm_syserror (s_fsync);
|
||
SCM_ALLOW_INTS;
|
||
return SCM_UNSPECIFIED;
|
||
}
|
||
|
||
SCM_PROC (s_symlink, "symlink", 2, 0, 0, scm_symlink);
|
||
|
||
SCM
|
||
scm_symlink(oldpath, newpath)
|
||
SCM oldpath;
|
||
SCM newpath;
|
||
{
|
||
#ifdef HAVE_SYMLINK
|
||
int val;
|
||
|
||
SCM_ASSERT (SCM_NIMP (oldpath) && SCM_ROSTRINGP (oldpath), oldpath, SCM_ARG1,
|
||
s_symlink);
|
||
SCM_ASSERT (SCM_NIMP (newpath) && SCM_ROSTRINGP (newpath), newpath, SCM_ARG2,
|
||
s_symlink);
|
||
SCM_COERCE_SUBSTR (oldpath);
|
||
SCM_COERCE_SUBSTR (newpath);
|
||
SCM_DEFER_INTS;
|
||
SCM_SYSCALL (val = symlink(SCM_ROCHARS(oldpath), SCM_ROCHARS(newpath)));
|
||
if (val != 0)
|
||
scm_syserror (s_symlink);
|
||
SCM_ALLOW_INTS;
|
||
return SCM_UNSPECIFIED;
|
||
#else
|
||
scm_sysmissing (s_symlink);
|
||
/* not reached. */
|
||
return SCM_BOOL_F;
|
||
#endif
|
||
}
|
||
|
||
|
||
SCM_PROC (s_readlink, "readlink", 1, 0, 0, scm_readlink);
|
||
|
||
SCM
|
||
scm_readlink(path)
|
||
SCM path;
|
||
{
|
||
#ifdef HAVE_READLINK
|
||
scm_sizet rv;
|
||
scm_sizet size = 100;
|
||
char *buf;
|
||
SCM result;
|
||
SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, (char *) SCM_ARG1,
|
||
s_readlink);
|
||
SCM_COERCE_SUBSTR (path);
|
||
SCM_DEFER_INTS;
|
||
buf = scm_must_malloc (size, s_readlink);
|
||
while ((rv = readlink (SCM_ROCHARS (path), buf, (scm_sizet) size)) == size)
|
||
{
|
||
scm_must_free (buf);
|
||
size *= 2;
|
||
buf = scm_must_malloc (size, s_readlink);
|
||
}
|
||
if (rv == -1)
|
||
scm_syserror (s_readlink);
|
||
result = scm_makfromstr (buf, rv, 0);
|
||
scm_must_free (buf);
|
||
SCM_ALLOW_INTS;
|
||
return result;
|
||
#else
|
||
scm_sysmissing (s_readlink);
|
||
/* not reached. */
|
||
return SCM_BOOL_F;
|
||
#endif
|
||
}
|
||
|
||
|
||
SCM_PROC (s_lstat, "lstat", 1, 0, 0, scm_lstat);
|
||
|
||
SCM
|
||
scm_lstat(str)
|
||
SCM str;
|
||
{
|
||
#ifdef HAVE_LSTAT
|
||
int rv;
|
||
struct stat stat_temp;
|
||
|
||
SCM_ASSERT (SCM_NIMP (str) && SCM_ROSTRINGP (str), str, (char *) SCM_ARG1,
|
||
s_lstat);
|
||
SCM_COERCE_SUBSTR (str);
|
||
SCM_DEFER_INTS;
|
||
SCM_SYSCALL(rv = lstat(SCM_ROCHARS(str), &stat_temp));
|
||
if (rv != 0)
|
||
{
|
||
int en = errno;
|
||
|
||
scm_syserror_msg (s_lstat, "%s: %S",
|
||
scm_listify (scm_makfrom0str (strerror (errno)),
|
||
str,
|
||
SCM_UNDEFINED),
|
||
en);
|
||
}
|
||
SCM_ALLOW_INTS;
|
||
return scm_stat2scm(&stat_temp);
|
||
#else
|
||
scm_sysmissing (s_lstat);
|
||
/* not reached. */
|
||
return SCM_BOOL_F;
|
||
#endif
|
||
}
|
||
|
||
|
||
SCM_PROC (s_copy_file, "copy-file", 2, 0, 0, scm_copy_file);
|
||
|
||
SCM
|
||
scm_copy_file (oldfile, newfile)
|
||
SCM oldfile;
|
||
SCM newfile;
|
||
{
|
||
int oldfd, newfd;
|
||
int n;
|
||
char buf[BUFSIZ]; /* this space could be shared. */
|
||
struct stat oldstat;
|
||
|
||
SCM_ASSERT (SCM_NIMP (oldfile) && SCM_ROSTRINGP (oldfile), oldfile, SCM_ARG1, s_copy_file);
|
||
if (SCM_SUBSTRP (oldfile))
|
||
oldfile = scm_makfromstr (SCM_ROCHARS (oldfile), SCM_ROLENGTH (oldfile), 0);
|
||
SCM_ASSERT (SCM_NIMP (newfile) && SCM_ROSTRINGP (newfile), newfile, SCM_ARG2, s_copy_file);
|
||
if (SCM_SUBSTRP (newfile))
|
||
newfile = scm_makfromstr (SCM_ROCHARS (newfile), SCM_ROLENGTH (newfile), 0);
|
||
if (stat (SCM_ROCHARS (oldfile), &oldstat) == -1)
|
||
scm_syserror (s_copy_file);
|
||
SCM_DEFER_INTS;
|
||
oldfd = open (SCM_ROCHARS (oldfile), O_RDONLY);
|
||
if (oldfd == -1)
|
||
scm_syserror (s_copy_file);
|
||
|
||
/* use POSIX flags instead of 07777?. */
|
||
newfd = open (SCM_ROCHARS (newfile), O_WRONLY | O_CREAT | O_TRUNC,
|
||
oldstat.st_mode & 07777);
|
||
if (newfd == -1)
|
||
scm_syserror (s_copy_file);
|
||
|
||
while ((n = read (oldfd, buf, sizeof buf)) > 0)
|
||
if (write (newfd, buf, n) != n)
|
||
{
|
||
close (oldfd);
|
||
close (newfd);
|
||
scm_syserror (s_copy_file);
|
||
}
|
||
close (oldfd);
|
||
if (close (newfd) == -1)
|
||
scm_syserror (s_copy_file);
|
||
SCM_ALLOW_INTS;
|
||
return SCM_UNSPECIFIED;
|
||
}
|
||
|
||
|
||
|
||
void
|
||
scm_init_filesys ()
|
||
{
|
||
scm_add_feature ("i/o-extensions");
|
||
|
||
scm_tc16_dir = scm_newsmob (&dir_smob);
|
||
|
||
scm_dot_string = scm_permanent_object (scm_makfrom0str ("."));
|
||
|
||
#ifdef O_RDONLY
|
||
scm_sysintern ("O_RDONLY", scm_long2num (O_RDONLY));
|
||
#endif
|
||
#ifdef O_WRONLY
|
||
scm_sysintern ("O_WRONLY", scm_long2num (O_WRONLY));
|
||
#endif
|
||
#ifdef O_RDWR
|
||
scm_sysintern ("O_RDWR", scm_long2num (O_RDWR));
|
||
#endif
|
||
#ifdef O_CREAT
|
||
scm_sysintern ("O_CREAT", scm_long2num (O_CREAT));
|
||
#endif
|
||
#ifdef O_EXCL
|
||
scm_sysintern ("O_EXCL", scm_long2num (O_EXCL));
|
||
#endif
|
||
#ifdef O_NOCTTY
|
||
scm_sysintern ("O_NOCTTY", scm_long2num (O_NOCTTY));
|
||
#endif
|
||
#ifdef O_TRUNC
|
||
scm_sysintern ("O_TRUNC", scm_long2num (O_TRUNC));
|
||
#endif
|
||
#ifdef O_APPEND
|
||
scm_sysintern ("O_APPEND", scm_long2num (O_APPEND));
|
||
#endif
|
||
#ifdef O_NONBLOCK
|
||
scm_sysintern ("O_NONBLOCK", scm_long2num (O_NONBLOCK));
|
||
#endif
|
||
#ifdef O_NDELAY
|
||
scm_sysintern ("O_NDELAY", scm_long2num (O_NDELAY));
|
||
#endif
|
||
#ifdef O_SYNC
|
||
scm_sysintern ("O_SYNC", scm_long2num (O_SYNC));
|
||
#endif
|
||
|
||
#ifdef F_DUPFD
|
||
scm_sysintern ("F_DUPFD", scm_long2num (F_DUPFD));
|
||
#endif
|
||
#ifdef F_GETFD
|
||
scm_sysintern ("F_GETFD", scm_long2num (F_GETFD));
|
||
#endif
|
||
#ifdef F_SETFD
|
||
scm_sysintern ("F_SETFD", scm_long2num (F_SETFD));
|
||
#endif
|
||
#ifdef F_GETFL
|
||
scm_sysintern ("F_GETFL", scm_long2num (F_GETFL));
|
||
#endif
|
||
#ifdef F_SETFL
|
||
scm_sysintern ("F_SETFL", scm_long2num (F_SETFL));
|
||
#endif
|
||
#ifdef F_GETOWN
|
||
scm_sysintern ("F_GETOWN", scm_long2num (F_GETOWN));
|
||
#endif
|
||
#ifdef F_SETOWN
|
||
scm_sysintern ("F_SETOWN", scm_long2num (F_SETOWN));
|
||
#endif
|
||
#ifdef FD_CLOEXEC
|
||
scm_sysintern ("FD_CLOEXEC", scm_long2num (FD_CLOEXEC));
|
||
#endif
|
||
|
||
#include "filesys.x"
|
||
}
|