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370312ae6e
FIONREAD, since the latter doesn't detect EOF. Throw error if neither select nor FIONREAD available. * socket.c (scm_connect): take a port, not a fd object. (scm_fill_sockaddr): throw an error if fam is not recognised. (scm_bind): use scm_fill_sockaddr. (scm_listen): take a port, not a fd object. (scm_accept): take and return a port. return CDR in the car if address can't be got (scm_sock_fd_to_port): new procedure. (scm_socket): use scm_sock_fd_to_port. (scm_addr_vector): throw error if unrecognised address type. take an extra argument with the calling procedure name. (scm_getsockname): take a port. return #f if address can't be got. (scm_getpeername): take a port. return #f if address can't be got. (scm_recvfrom): take a port. return #f for address component if can't be got. (scm_sendto, scm_socketpair, scm_getsockopt scm_shutdown, scm_setsockopt, scm_recv, scm_send): take a port not a fd object. * socket.h (SCM_P): update bind prototype. * socket.c (scm_init_socket): intern PF_UNSPEC, PF_UNIX, PF_INET. include "feature.h". (scm_socket): return a port, not a file descriptor object. include "fports.h" and <unistd.h> (scm_bind): take a port, not a file descriptor object. take an extra argument for address args. * net_db.c (scm_init_net_db): intern INADDR_ANY, INADDR_BROADCAST, INADDR_NONE, INADDR_LOOPBACK. * init.c: include net_db.h and not fdsocket.h. (scm_boot_guile_1): call scm_init_net_db and not scm_init_fdsocket. * Makefile.am: corresponding changes. * socket.h: renamed from fdsocket.h, fix names. * net_db.h: renamed from socket.h, fix names. * socket.c: renamed from fdsocket.c. remove _sys from procedure names. (scm_init_socket): rename from scm_init_fdsocket. include socket.x. add "socket" to features list. * net_db.c: renamed from socket.c. remove _sys from procedure names. (scm_init_net_db): rename from scm_init_socket. include net_db.x. add "net-db" to features list. include "net_db.h". don't include <sys/socket.h> or <sys/un.h>.
1311 lines
30 KiB
C
1311 lines
30 KiB
C
/* Copyright (C) 1996 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, 675 Mass Ave, Cambridge, MA 02139, 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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*/
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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 "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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#ifdef FD_SET
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#define SELECT_TYPE fd_set
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#define SELECT_SET_SIZE FD_SETSIZE
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#else /* no FD_SET */
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/* Define the macros to access a single-int bitmap of descriptors. */
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#define SELECT_SET_SIZE 32
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#define SELECT_TYPE int
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#define FD_SET(n, p) (*(p) |= (1 << (n)))
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#define FD_CLR(n, p) (*(p) &= ~(1 << (n)))
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#define FD_ISSET(n, p) (*(p) & (1 << (n)))
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#define FD_ZERO(p) (*(p) = 0)
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#endif /* no FD_SET */
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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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#ifdef O_CREAT
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SCM_CONST_LONG (scm_O_CREAT, "O_CREAT", O_CREAT);
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#endif
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#ifdef O_EXCL
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SCM_CONST_LONG (scm_O_EXCL, "O_EXCL", O_EXCL);
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#endif
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#ifdef O_NOCTTY
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SCM_CONST_LONG (scm_O_NOCTTY, "O_NOCTTY", O_NOCTTY);
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#endif
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#ifdef O_TRUNC
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SCM_CONST_LONG (scm_O_TRUNC, "O_TRUNC", O_TRUNC);
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#endif
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#ifdef O_APPEND
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SCM_CONST_LONG (scm_O_APPEND, "O_APPEND", O_APPEND);
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#endif
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#ifdef O_NONBLOCK
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SCM_CONST_LONG (scm_O_NONBLOCK, "O_NONBLOCK", O_NONBLOCK);
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#endif
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#ifdef O_NDELAY
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SCM_CONST_LONG (scm_O_NDELAY, "O_NDELAY", O_NDELAY);
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#endif
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#ifdef O_SYNC
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SCM_CONST_LONG (scm_O_SYNC, "O_SYNC", O_SYNC);
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#endif
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/* {Permissions}
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*/
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SCM_PROC (s_sys_chown, "chown", 3, 0, 0, scm_sys_chown);
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SCM
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scm_sys_chown (path, owner, group)
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SCM path;
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SCM owner;
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SCM group;
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{
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int val;
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SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, SCM_ARG1, s_sys_chown);
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if (SCM_SUBSTRP (path))
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path = scm_makfromstr (SCM_ROCHARS (path), SCM_ROLENGTH (path), 0);
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SCM_ASSERT (SCM_INUMP (owner), owner, SCM_ARG2, s_sys_chown);
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SCM_ASSERT (SCM_INUMP (group), group, SCM_ARG3, s_sys_chown);
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SCM_SYSCALL (val = chown (SCM_ROCHARS (path),
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SCM_INUM (owner), SCM_INUM (group)));
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if (val != 0)
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scm_syserror (s_sys_chown);
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return SCM_UNSPECIFIED;
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}
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SCM_PROC (s_sys_chmod, "chmod", 2, 0, 0, scm_sys_chmod);
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SCM
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scm_sys_chmod (port_or_path, mode)
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SCM port_or_path;
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SCM mode;
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{
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int rv;
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SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG2, s_sys_chmod);
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SCM_ASSERT (SCM_NIMP (port_or_path), port_or_path, SCM_ARG1, s_sys_chmod);
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if (SCM_STRINGP (port_or_path))
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SCM_SYSCALL (rv = chmod (SCM_CHARS (port_or_path), SCM_INUM (mode)));
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else
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{
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SCM_ASSERT (SCM_OPFPORTP (port_or_path), port_or_path, SCM_ARG1, s_sys_chmod);
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rv = fileno ((FILE *)SCM_STREAM (port_or_path));
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if (rv != -1)
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SCM_SYSCALL (rv = fchmod (rv, SCM_INUM (mode)));
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}
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if (rv != 0)
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scm_syserror (s_sys_chmod);
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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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/* {File Descriptors}
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*/
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long scm_tc16_fd;
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static int scm_fd_print SCM_P ((SCM sexp, SCM port, scm_print_state *pstate));
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static int
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scm_fd_print (sexp, port, pstate)
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SCM sexp;
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SCM port;
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scm_print_state *pstate;
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{
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scm_gen_puts (scm_regular_string, "#<fd ", port);
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scm_intprint (SCM_CDR (sexp), 10, port);
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scm_gen_puts (scm_regular_string, ">", port);
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return 1;
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}
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static scm_sizet scm_fd_free SCM_P ((SCM p));
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static scm_sizet
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scm_fd_free (p)
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SCM p;
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{
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SCM flags;
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flags = SCM_FD_FLAGS (p);
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if ((scm_close_fd_on_gc & flags) && (scm_fd_is_open & flags))
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{
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SCM_SYSCALL( close (SCM_FD (p)) );
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}
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return 0;
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}
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static scm_smobfuns fd_smob = {scm_mark0, scm_fd_free, scm_fd_print, 0};
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SCM
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scm_intern_fd (fd, flags)
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int fd;
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int flags;
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{
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SCM it;
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SCM_NEWCELL (it);
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SCM_REDEFER_INTS;
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SCM_SETCAR (it, (scm_tc16_fd | (flags << 16)));
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SCM_SETCDR (it, (SCM)fd);
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SCM_REALLOW_INTS;
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return it;
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}
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SCM_PROC (s_sys_open, "open", 3, 0, 0, scm_sys_open);
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SCM
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scm_sys_open (path, flags, mode)
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SCM path;
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SCM flags;
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SCM mode;
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{
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int fd;
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SCM sfd;
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SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, SCM_ARG1, s_sys_open);
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SCM_ASSERT (SCM_INUMP (flags), flags, SCM_ARG2, s_sys_open);
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SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG3, s_sys_open);
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if (SCM_SUBSTRP (path))
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path = scm_makfromstr (SCM_ROCHARS (path), SCM_ROLENGTH (path), 0);
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SCM_DEFER_INTS;
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SCM_SYSCALL ( fd = open (SCM_ROCHARS (path), SCM_INUM (flags), SCM_INUM (mode)) );
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if (fd == -1)
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scm_syserror (s_sys_open);
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sfd = scm_intern_fd (fd, scm_fd_is_open | scm_close_fd_on_gc);
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SCM_ALLOW_INTS;
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return scm_return_first (sfd, path);
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}
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SCM_PROC (s_sys_create, "create", 2, 0, 0, scm_sys_create);
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SCM
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scm_sys_create (path, mode)
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SCM path;
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SCM mode;
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{
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int fd;
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SCM sfd;
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SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, SCM_ARG1, s_sys_create);
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SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG2, s_sys_create);
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if (SCM_SUBSTRP (path))
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path = scm_makfromstr (SCM_ROCHARS (path), SCM_ROLENGTH (path), 0);
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SCM_DEFER_INTS;
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SCM_SYSCALL ( fd = creat (SCM_ROCHARS (path), SCM_INUM (mode)) );
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if (fd == -1)
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scm_syserror (s_sys_create);
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sfd = scm_intern_fd (fd, scm_fd_is_open | scm_close_fd_on_gc);
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SCM_ALLOW_INTS;
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return scm_return_first (sfd, path);
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}
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SCM_PROC (s_sys_close, "close", 1, 0, 0, scm_sys_close);
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SCM
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scm_sys_close (sfd)
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SCM sfd;
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{
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int fd;
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int got;
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SCM_ASSERT (SCM_NIMP (sfd) && SCM_FD_P (sfd), sfd, SCM_ARG1, s_sys_close);
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fd = SCM_FD (sfd);
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SCM_DEFER_INTS;
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got = close (fd);
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SCM_SETCAR (sfd, scm_tc16_fd);
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SCM_ALLOW_INTS;
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if (got == -1)
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scm_syserror (s_sys_close);
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return SCM_UNSPECIFIED;
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}
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SCM_PROC (s_sys_write_fd, "write-fd", 2, 0, 0, scm_sys_write_fd);
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SCM
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scm_sys_write_fd (sfd, buf)
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SCM sfd;
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SCM buf;
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{
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SCM answer;
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int fd;
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size_t written;
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SCM_ASSERT (SCM_NIMP (sfd) && SCM_FD_P (sfd), sfd, SCM_ARG1, s_sys_write_fd);
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SCM_ASSERT (SCM_NIMP (buf) && SCM_ROSTRINGP (buf), buf, SCM_ARG2, s_sys_write_fd);
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fd = SCM_FD (sfd);
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SCM_DEFER_INTS;
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written = write (fd, SCM_ROCHARS (buf), SCM_ROLENGTH (buf));
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if (written == -1)
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scm_syserror (s_sys_write_fd);
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answer = scm_long2num (written);
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SCM_ALLOW_INTS;
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return scm_return_first (answer, buf);
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}
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SCM_PROC (s_sys_read_fd, "read-fd", 2, 2, 0, scm_sys_read_fd);
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SCM
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scm_sys_read_fd (sfd, buf, offset, length)
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SCM sfd;
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SCM buf;
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SCM offset;
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SCM length;
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{
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SCM answer;
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int fd;
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char * bytes;
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int off;
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int len;
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size_t got;
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SCM_ASSERT (SCM_NIMP (sfd) && SCM_FD_P (sfd), sfd, SCM_ARG1, s_sys_read_fd);
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fd = SCM_FD (sfd);
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SCM_ASSERT (SCM_NIMP (buf) && SCM_STRINGP (buf), buf, SCM_ARG2, s_sys_read_fd);
|
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bytes = SCM_CHARS (buf);
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if (SCM_UNBNDP (offset))
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off = 0;
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else
|
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{
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SCM_ASSERT (SCM_INUMP (offset), offset, SCM_ARG3, s_sys_read_fd);
|
||
off = SCM_INUM (offset);
|
||
}
|
||
|
||
if (SCM_UNBNDP (length))
|
||
len = SCM_LENGTH (buf);
|
||
else
|
||
{
|
||
SCM_ASSERT (SCM_INUMP (length), length, SCM_ARG3, s_sys_read_fd);
|
||
len = SCM_INUM (length);
|
||
}
|
||
|
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SCM_DEFER_INTS;
|
||
got = read (fd, bytes + off, len);
|
||
if (got == -1)
|
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scm_syserror (s_sys_read_fd);
|
||
answer = scm_long2num (got);
|
||
SCM_ALLOW_INTS;
|
||
return scm_return_first (answer, buf);
|
||
}
|
||
|
||
SCM_PROC (s_sys_lseek, "lseek", 2, 1, 0, scm_sys_lseek);
|
||
|
||
SCM
|
||
scm_sys_lseek (sfd, offset, whence)
|
||
SCM sfd;
|
||
SCM offset;
|
||
SCM whence;
|
||
{
|
||
SCM answer;
|
||
int fd;
|
||
long off;
|
||
int wh;
|
||
long got;
|
||
|
||
SCM_ASSERT (SCM_NIMP (sfd) && SCM_FD_P (sfd), sfd, SCM_ARG1, s_sys_lseek);
|
||
fd = SCM_FD (sfd);
|
||
|
||
off = scm_num2long (offset, (char *)SCM_ARG2, s_sys_lseek);
|
||
if (SCM_UNBNDP (whence))
|
||
wh = SEEK_SET;
|
||
else
|
||
{
|
||
SCM_ASSERT (SCM_INUMP (whence), whence, SCM_ARG3, s_sys_lseek);
|
||
wh = SCM_INUM (whence);
|
||
}
|
||
|
||
SCM_DEFER_INTS;
|
||
SCM_SYSCALL (got = lseek (fd, off, wh));
|
||
if (got == -1)
|
||
scm_syserror (s_sys_lseek);
|
||
answer = scm_long2num (got);
|
||
SCM_ALLOW_INTS;
|
||
return answer;
|
||
}
|
||
|
||
|
||
SCM_PROC (s_sys_dup, "dup", 1, 1, 0, scm_sys_dup);
|
||
|
||
SCM
|
||
scm_sys_dup (oldfd, newfd)
|
||
SCM oldfd;
|
||
SCM newfd;
|
||
{
|
||
SCM answer;
|
||
int fd;
|
||
int nfd;
|
||
int (*fn)();
|
||
|
||
SCM_ASSERT (SCM_NIMP (oldfd) && SCM_FD_P (oldfd), oldfd, SCM_ARG1, s_sys_dup);
|
||
SCM_ASSERT (SCM_UNBNDP (newfd) || SCM_INUMP (newfd), newfd, SCM_ARG2, s_sys_dup);
|
||
fd = SCM_FD (oldfd);
|
||
nfd = (SCM_INUMP (newfd) ? SCM_INUM (newfd) : -1);
|
||
|
||
SCM_DEFER_INTS;
|
||
fn = ((nfd == -1) ? (int (*)())dup : (int (*)())dup2);
|
||
nfd = fn (fd, nfd);
|
||
if (nfd == -1)
|
||
scm_syserror (s_sys_dup);
|
||
answer = SCM_MAKINUM (nfd);
|
||
SCM_ALLOW_INTS;
|
||
return answer;
|
||
}
|
||
|
||
|
||
|
||
/* {Files}
|
||
*/
|
||
|
||
SCM_SYMBOL (scm_sym_regular, "regular");
|
||
SCM_SYMBOL (scm_sym_directory, "directory");
|
||
SCM_SYMBOL (scm_sym_symlink, "symlink");
|
||
SCM_SYMBOL (scm_sym_block_special, "block-special");
|
||
SCM_SYMBOL (scm_sym_char_special, "char-special");
|
||
SCM_SYMBOL (scm_sym_fifo, "fifo");
|
||
SCM_SYMBOL (scm_sym_sock, "socket");
|
||
SCM_SYMBOL (scm_sym_unknown, "unknown");
|
||
|
||
static SCM scm_stat2scm SCM_P ((struct stat *stat_temp));
|
||
|
||
static SCM
|
||
scm_stat2scm (stat_temp)
|
||
struct stat *stat_temp;
|
||
{
|
||
SCM ans = scm_make_vector (SCM_MAKINUM (15), SCM_UNSPECIFIED, SCM_BOOL_F);
|
||
SCM *ve = SCM_VELTS (ans);
|
||
|
||
ve[0] = scm_ulong2num ((unsigned long) stat_temp->st_dev);
|
||
ve[1] = scm_ulong2num ((unsigned long) stat_temp->st_ino);
|
||
ve[2] = scm_ulong2num ((unsigned long) stat_temp->st_mode);
|
||
ve[3] = scm_ulong2num ((unsigned long) stat_temp->st_nlink);
|
||
ve[4] = scm_ulong2num ((unsigned long) stat_temp->st_uid);
|
||
ve[5] = scm_ulong2num ((unsigned long) stat_temp->st_gid);
|
||
#ifdef HAVE_ST_RDEV
|
||
ve[6] = scm_ulong2num ((unsigned long) stat_temp->st_rdev);
|
||
#else
|
||
ve[6] = SCM_BOOL_F;
|
||
#endif
|
||
ve[7] = scm_ulong2num ((unsigned long) stat_temp->st_size);
|
||
ve[8] = scm_ulong2num ((unsigned long) stat_temp->st_atime);
|
||
ve[9] = scm_ulong2num ((unsigned long) stat_temp->st_mtime);
|
||
ve[10] = scm_ulong2num ((unsigned long) stat_temp->st_ctime);
|
||
#ifdef HAVE_ST_BLKSIZE
|
||
ve[11] = scm_ulong2num ((unsigned long) stat_temp->st_blksize);
|
||
#else
|
||
ve[11] = scm_ulong2num (4096L);
|
||
#endif
|
||
#ifdef HAVE_ST_BLOCKS
|
||
ve[12] = scm_ulong2num ((unsigned long) stat_temp->st_blocks);
|
||
#else
|
||
ve[12] = SCM_BOOL_F;
|
||
#endif
|
||
{
|
||
int mode = stat_temp->st_mode;
|
||
|
||
if (S_ISREG (mode))
|
||
ve[13] = scm_sym_regular;
|
||
else if (S_ISDIR (mode))
|
||
ve[13] = scm_sym_directory;
|
||
else if (S_ISLNK (mode))
|
||
ve[13] = scm_sym_symlink;
|
||
else if (S_ISBLK (mode))
|
||
ve[13] = scm_sym_block_special;
|
||
else if (S_ISCHR (mode))
|
||
ve[13] = scm_sym_char_special;
|
||
else if (S_ISFIFO (mode))
|
||
ve[13] = scm_sym_fifo;
|
||
else if (S_ISSOCK (mode))
|
||
ve[13] = scm_sym_sock;
|
||
else
|
||
ve[13] = scm_sym_unknown;
|
||
|
||
ve[14] = SCM_MAKINUM ((~S_IFMT) & mode);
|
||
|
||
/* the layout of the bits in ve[14] is intended to be portable.
|
||
If there are systems that don't follow the usual convention,
|
||
the following could be used:
|
||
|
||
tmp = 0;
|
||
if (S_ISUID & mode) tmp += 1;
|
||
tmp <<= 1;
|
||
if (S_IRGRP & mode) tmp += 1;
|
||
tmp <<= 1;
|
||
if (S_ISVTX & mode) tmp += 1;
|
||
tmp <<= 1;
|
||
if (S_IRUSR & mode) tmp += 1;
|
||
tmp <<= 1;
|
||
if (S_IWUSR & mode) tmp += 1;
|
||
tmp <<= 1;
|
||
if (S_IXUSR & mode) tmp += 1;
|
||
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;
|
||
tmp <<= 1;
|
||
if (S_IXOTH & mode) tmp += 1;
|
||
|
||
ve[14] = SCM_MAKINUM (tmp);
|
||
|
||
*/
|
||
}
|
||
|
||
return ans;
|
||
}
|
||
|
||
SCM_PROC (s_sys_stat, "stat", 1, 0, 0, scm_sys_stat);
|
||
|
||
SCM
|
||
scm_sys_stat (fd_or_path)
|
||
SCM fd_or_path;
|
||
{
|
||
int rv = 1;
|
||
struct stat stat_temp;
|
||
|
||
if (SCM_INUMP (fd_or_path))
|
||
{
|
||
rv = SCM_INUM (fd_or_path);
|
||
SCM_SYSCALL (rv = fstat (rv, &stat_temp));
|
||
}
|
||
else if (SCM_NIMP (fd_or_path) && SCM_FD_P (fd_or_path))
|
||
{
|
||
rv = SCM_FD (fd_or_path);
|
||
SCM_SYSCALL (rv = fstat (rv, &stat_temp));
|
||
}
|
||
else
|
||
{
|
||
SCM_ASSERT (SCM_NIMP (fd_or_path), fd_or_path, SCM_ARG1, s_sys_stat);
|
||
SCM_ASSERT (SCM_ROSTRINGP (fd_or_path), fd_or_path, SCM_ARG1, s_sys_stat);
|
||
if (SCM_ROSTRINGP (fd_or_path))
|
||
{
|
||
if (SCM_SUBSTRP (fd_or_path))
|
||
fd_or_path = scm_makfromstr (SCM_ROCHARS (fd_or_path), SCM_ROLENGTH (fd_or_path), 0);
|
||
SCM_SYSCALL (rv = stat (SCM_CHARS (fd_or_path), &stat_temp));
|
||
}
|
||
|
||
}
|
||
if (rv != 0)
|
||
scm_syserror_msg (s_sys_stat, "%s: %S",
|
||
scm_listify (scm_makfrom0str (strerror (errno)),
|
||
fd_or_path,
|
||
SCM_UNDEFINED));
|
||
return scm_stat2scm (&stat_temp);
|
||
}
|
||
|
||
|
||
|
||
/* {Modifying Directories}
|
||
*/
|
||
|
||
SCM_PROC (s_sys_link, "link", 2, 0, 0, scm_sys_link);
|
||
|
||
SCM
|
||
scm_sys_link (oldpath, newpath)
|
||
SCM oldpath;
|
||
SCM newpath;
|
||
{
|
||
int val;
|
||
|
||
SCM_ASSERT (SCM_NIMP (oldpath) && SCM_ROSTRINGP (oldpath), oldpath, SCM_ARG1, s_sys_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_sys_link);
|
||
if (SCM_SUBSTRP (newpath))
|
||
newpath = scm_makfromstr (SCM_ROCHARS (newpath), SCM_ROLENGTH (newpath), 0);
|
||
SCM_SYSCALL (val = link (SCM_ROCHARS (oldpath), SCM_ROCHARS (newpath)));
|
||
if (val != 0)
|
||
scm_syserror (s_sys_link);
|
||
return SCM_UNSPECIFIED;
|
||
}
|
||
|
||
|
||
|
||
SCM_PROC (s_sys_rename, "rename-file", 2, 0, 0, scm_sys_rename);
|
||
|
||
SCM
|
||
scm_sys_rename (oldname, newname)
|
||
SCM oldname;
|
||
SCM newname;
|
||
{
|
||
int rv;
|
||
SCM_ASSERT (SCM_NIMP (oldname) && SCM_STRINGP (oldname), oldname, SCM_ARG1, s_sys_rename);
|
||
SCM_ASSERT (SCM_NIMP (newname) && SCM_STRINGP (newname), newname, SCM_ARG2, s_sys_rename);
|
||
#ifdef HAVE_RENAME
|
||
SCM_SYSCALL (rv = rename (SCM_CHARS (oldname), SCM_CHARS (newname)));
|
||
if (rv != 0)
|
||
scm_syserror (s_sys_rename);
|
||
return SCM_UNSPECIFIED;
|
||
#else
|
||
SCM_DEFER_INTS;
|
||
SCM_SYSCALL (rv = link (SCM_CHARS (oldname), SCM_CHARS (newname)));
|
||
if (rv == 0)
|
||
{
|
||
SCM_SYSCALL (rv = unlink (SCM_CHARS (oldname)));;
|
||
if (rv != 0)
|
||
/* unlink failed. remove new name */
|
||
SCM_SYSCALL (unlink (SCM_CHARS (newname)));
|
||
}
|
||
SCM_ALLOW_INTS;
|
||
if (rv != 0)
|
||
scm_syserror (s_sys_rename);
|
||
return SCM_UNSPECIFIED;
|
||
#endif
|
||
}
|
||
|
||
|
||
SCM_PROC(s_sys_delete_file, "delete-file", 1, 0, 0, scm_sys_delete_file);
|
||
|
||
SCM
|
||
scm_sys_delete_file (str)
|
||
SCM str;
|
||
{
|
||
int ans;
|
||
SCM_ASSERT (SCM_NIMP (str) && SCM_STRINGP (str), str, SCM_ARG1, s_sys_delete_file);
|
||
SCM_SYSCALL (ans = unlink (SCM_CHARS (str)));
|
||
if (ans != 0)
|
||
scm_syserror (s_sys_delete_file);
|
||
return SCM_UNSPECIFIED;
|
||
}
|
||
|
||
|
||
SCM_PROC (s_sys_mkdir, "mkdir", 1, 1, 0, scm_sys_mkdir);
|
||
|
||
SCM
|
||
scm_sys_mkdir (path, mode)
|
||
SCM path;
|
||
SCM mode;
|
||
{
|
||
#ifdef HAVE_MKDIR
|
||
int rv;
|
||
mode_t mask;
|
||
SCM_ASSERT (SCM_NIMP (path) && SCM_STRINGP (path), path, SCM_ARG1, s_sys_mkdir);
|
||
if (SCM_UNBNDP (mode))
|
||
{
|
||
mask = umask (0);
|
||
umask (mask);
|
||
SCM_SYSCALL (rv = mkdir (SCM_CHARS (path), 0777 ^ mask));
|
||
}
|
||
else
|
||
{
|
||
SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG2, s_sys_mkdir);
|
||
SCM_SYSCALL (rv = mkdir (SCM_CHARS (path), SCM_INUM (mode)));
|
||
}
|
||
if (rv != 0)
|
||
scm_syserror (s_sys_mkdir);
|
||
return SCM_UNSPECIFIED;
|
||
#else
|
||
scm_sysmissing (s_sys_mkdir);
|
||
/* not reached. */
|
||
return SCM_BOOL_F;
|
||
#endif
|
||
}
|
||
|
||
|
||
SCM_PROC (s_sys_rmdir, "rmdir", 1, 0, 0, scm_sys_rmdir);
|
||
|
||
SCM
|
||
scm_sys_rmdir (path)
|
||
SCM path;
|
||
{
|
||
#ifdef HAVE_RMDIR
|
||
int val;
|
||
|
||
SCM_ASSERT (SCM_NIMP (path) && SCM_STRINGP (path), path, SCM_ARG1, s_sys_rmdir);
|
||
SCM_SYSCALL (val = rmdir (SCM_CHARS (path)));
|
||
if (val != 0)
|
||
scm_syserror (s_sys_rmdir);
|
||
return SCM_UNSPECIFIED;
|
||
#else
|
||
scm_sysmissing (s_sys_rmdir);
|
||
/* not reached. */
|
||
return SCM_BOOL_F;
|
||
#endif
|
||
}
|
||
|
||
|
||
/* {Examining Directories}
|
||
*/
|
||
|
||
long scm_tc16_dir;
|
||
|
||
SCM_PROC (s_sys_opendir, "opendir", 1, 0, 0, scm_sys_opendir);
|
||
|
||
SCM
|
||
scm_sys_opendir (dirname)
|
||
SCM dirname;
|
||
{
|
||
DIR *ds;
|
||
SCM dir;
|
||
SCM_ASSERT (SCM_NIMP (dirname) && SCM_STRINGP (dirname), dirname, SCM_ARG1, s_sys_opendir);
|
||
SCM_NEWCELL (dir);
|
||
SCM_DEFER_INTS;
|
||
SCM_SYSCALL (ds = opendir (SCM_CHARS (dirname)));
|
||
if (ds == NULL)
|
||
scm_syserror (s_sys_opendir);
|
||
SCM_SETCAR (dir, scm_tc16_dir | SCM_OPN);
|
||
SCM_SETCDR (dir, ds);
|
||
SCM_ALLOW_INTS;
|
||
return dir;
|
||
}
|
||
|
||
|
||
SCM_PROC (s_sys_readdir, "readdir", 1, 0, 0, scm_sys_readdir);
|
||
|
||
SCM
|
||
scm_sys_readdir (port)
|
||
SCM port;
|
||
{
|
||
struct dirent *rdent;
|
||
SCM_DEFER_INTS;
|
||
SCM_ASSERT (SCM_NIMP (port) && SCM_OPDIRP (port), port, SCM_ARG1, s_sys_readdir);
|
||
errno = 0;
|
||
SCM_SYSCALL (rdent = readdir ((DIR *) SCM_CDR (port)));
|
||
SCM_ALLOW_INTS;
|
||
if (errno != 0)
|
||
scm_syserror (s_sys_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_sys_closedir, "closedir", 1, 0, 0, scm_sys_closedir);
|
||
|
||
SCM
|
||
scm_sys_closedir (port)
|
||
SCM port;
|
||
{
|
||
int sts;
|
||
|
||
SCM_ASSERT (SCM_NIMP (port) && SCM_DIRP (port), port, SCM_ARG1, s_sys_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_sys_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_sys_chdir, "chdir", 1, 0, 0, scm_sys_chdir);
|
||
|
||
SCM
|
||
scm_sys_chdir (str)
|
||
SCM str;
|
||
{
|
||
int ans;
|
||
|
||
SCM_ASSERT (SCM_NIMP (str) && SCM_STRINGP (str), str, SCM_ARG1, s_sys_chdir);
|
||
SCM_SYSCALL (ans = chdir (SCM_CHARS (str)));
|
||
if (ans != 0)
|
||
scm_syserror (s_sys_chdir);
|
||
return SCM_UNSPECIFIED;
|
||
}
|
||
|
||
|
||
|
||
SCM_PROC (s_sys_getcwd, "getcwd", 0, 0, 0, scm_sys_getcwd);
|
||
|
||
SCM
|
||
scm_sys_getcwd ()
|
||
{
|
||
#ifdef HAVE_GETCWD
|
||
char *rv;
|
||
|
||
scm_sizet size = 100;
|
||
char *wd;
|
||
SCM result;
|
||
|
||
SCM_DEFER_INTS;
|
||
wd = scm_must_malloc (size, s_sys_getcwd);
|
||
while ((rv = getcwd (wd, size)) == 0 && errno == ERANGE)
|
||
{
|
||
scm_must_free (wd);
|
||
size *= 2;
|
||
wd = scm_must_malloc (size, s_sys_getcwd);
|
||
}
|
||
if (rv == 0)
|
||
scm_syserror (s_sys_getcwd);
|
||
result = scm_makfromstr (wd, strlen (wd), 0);
|
||
scm_must_free (wd);
|
||
SCM_ALLOW_INTS;
|
||
return result;
|
||
#else
|
||
scm_sysmissing (s_sys_getcwd);
|
||
/* not reached. */
|
||
return SCM_BOOL_F;
|
||
#endif
|
||
}
|
||
|
||
|
||
|
||
|
||
static void fill_select_type SCM_P ((SELECT_TYPE * set, SCM list));
|
||
|
||
static void
|
||
fill_select_type (set, list)
|
||
SELECT_TYPE * set;
|
||
SCM list;
|
||
{
|
||
while (list != SCM_EOL)
|
||
{
|
||
if ( SCM_NIMP (SCM_CAR (list))
|
||
&& (scm_tc16_fport == SCM_TYP16 (SCM_CAR (list)))
|
||
&& SCM_OPPORTP (SCM_CAR (list)))
|
||
FD_SET (fileno ((FILE *)SCM_STREAM (SCM_CAR (list))), set);
|
||
else if (SCM_INUMP (SCM_CAR (list)))
|
||
FD_SET (SCM_INUM (SCM_CAR (list)), set);
|
||
else if (SCM_NIMP (SCM_CAR (list)) && SCM_FD_P (SCM_CAR (list)))
|
||
FD_SET (SCM_FD (SCM_CAR (list)), set);
|
||
list = SCM_CDR (list);
|
||
}
|
||
}
|
||
|
||
|
||
static SCM retrieve_select_type SCM_P ((SELECT_TYPE * set, SCM list));
|
||
|
||
static SCM
|
||
retrieve_select_type (set, list)
|
||
SELECT_TYPE * set;
|
||
SCM list;
|
||
{
|
||
SCM answer;
|
||
answer = SCM_EOL;
|
||
while (list != SCM_EOL)
|
||
{
|
||
if ( SCM_NIMP (SCM_CAR (list))
|
||
&& (scm_tc16_fport == SCM_TYP16 (SCM_CAR (list)))
|
||
&& SCM_OPPORTP (SCM_CAR (list)))
|
||
{
|
||
if (FD_ISSET (fileno ((FILE *)SCM_STREAM (SCM_CAR (list))), set))
|
||
answer = scm_cons (SCM_CAR (list), answer);
|
||
}
|
||
else if (SCM_INUMP (SCM_CAR (list)))
|
||
{
|
||
if (FD_ISSET (SCM_INUM (SCM_CAR (list)), set))
|
||
answer = scm_cons (SCM_CAR (list), answer);
|
||
}
|
||
else if (SCM_NIMP (SCM_CAR (list)) && SCM_FD_P (SCM_CAR (list)))
|
||
{
|
||
if (FD_ISSET (SCM_FD (SCM_CAR (list)), set))
|
||
answer = scm_cons (SCM_CAR (list), answer);
|
||
}
|
||
list = SCM_CDR (list);
|
||
}
|
||
return answer;
|
||
}
|
||
|
||
|
||
/* {Checking for events}
|
||
*/
|
||
|
||
SCM_PROC (s_sys_select, "select", 3, 2, 0, scm_sys_select);
|
||
|
||
SCM
|
||
scm_sys_select (reads, writes, excepts, secs, msecs)
|
||
SCM reads;
|
||
SCM writes;
|
||
SCM excepts;
|
||
SCM secs;
|
||
SCM msecs;
|
||
{
|
||
#ifdef HAVE_SELECT
|
||
struct timeval timeout;
|
||
struct timeval * time_p;
|
||
SELECT_TYPE read_set;
|
||
SELECT_TYPE write_set;
|
||
SELECT_TYPE except_set;
|
||
int sreturn;
|
||
|
||
SCM_ASSERT (-1 < scm_ilength (reads), reads, SCM_ARG1, s_sys_select);
|
||
SCM_ASSERT (-1 < scm_ilength (writes), reads, SCM_ARG1, s_sys_select);
|
||
SCM_ASSERT (-1 < scm_ilength (excepts), reads, SCM_ARG1, s_sys_select);
|
||
|
||
FD_ZERO (&read_set);
|
||
FD_ZERO (&write_set);
|
||
FD_ZERO (&except_set);
|
||
|
||
fill_select_type (&read_set, reads);
|
||
fill_select_type (&write_set, writes);
|
||
fill_select_type (&except_set, excepts);
|
||
|
||
if (SCM_UNBNDP (secs))
|
||
time_p = 0;
|
||
else
|
||
{
|
||
SCM_ASSERT (SCM_INUMP (secs), secs, SCM_ARG4, s_sys_select);
|
||
if (SCM_UNBNDP (msecs))
|
||
msecs = SCM_INUM0;
|
||
else
|
||
SCM_ASSERT (SCM_INUMP (msecs), msecs, SCM_ARG5, s_sys_select);
|
||
|
||
timeout.tv_sec = SCM_INUM (secs);
|
||
timeout.tv_usec = 1000 * SCM_INUM (msecs);
|
||
time_p = &timeout;
|
||
}
|
||
|
||
SCM_DEFER_INTS;
|
||
sreturn = select (SELECT_SET_SIZE,
|
||
&read_set, &write_set, &except_set, time_p);
|
||
if (sreturn < 0)
|
||
scm_syserror (s_sys_select);
|
||
SCM_ALLOW_INTS;
|
||
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_sys_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\n");
|
||
# endif
|
||
# endif
|
||
}
|
||
#endif
|
||
|
||
|
||
/* {Symbolic Links}
|
||
*/
|
||
|
||
SCM_PROC (s_sys_symlink, "symlink", 2, 0, 0, scm_sys_symlink);
|
||
|
||
SCM
|
||
scm_sys_symlink(oldpath, newpath)
|
||
SCM oldpath;
|
||
SCM newpath;
|
||
{
|
||
#ifdef HAVE_SYMLINK
|
||
int val;
|
||
|
||
SCM_ASSERT(SCM_NIMP(oldpath) && SCM_STRINGP(oldpath), oldpath, SCM_ARG1, s_sys_symlink);
|
||
SCM_ASSERT(SCM_NIMP(newpath) && SCM_STRINGP(newpath), newpath, SCM_ARG2, s_sys_symlink);
|
||
SCM_SYSCALL (val = symlink(SCM_CHARS(oldpath), SCM_CHARS(newpath)));
|
||
if (val != 0)
|
||
scm_syserror (s_sys_symlink);
|
||
return SCM_UNSPECIFIED;
|
||
#else
|
||
scm_sysmissing (s_sys_symlink);
|
||
/* not reached. */
|
||
return SCM_BOOL_F;
|
||
#endif
|
||
}
|
||
|
||
|
||
SCM_PROC (s_sys_readlink, "readlink", 1, 0, 0, scm_sys_readlink);
|
||
|
||
SCM
|
||
scm_sys_readlink(path)
|
||
SCM path;
|
||
{
|
||
#ifdef HAVE_READLINK
|
||
scm_sizet rv;
|
||
scm_sizet size = 100;
|
||
char *buf;
|
||
SCM result;
|
||
SCM_ASSERT (SCM_NIMP (path) && SCM_STRINGP (path), path, (char *) SCM_ARG1, s_sys_readlink);
|
||
SCM_DEFER_INTS;
|
||
buf = scm_must_malloc (size, s_sys_readlink);
|
||
while ((rv = readlink (SCM_CHARS (path), buf, (scm_sizet) size)) == size)
|
||
{
|
||
scm_must_free (buf);
|
||
size *= 2;
|
||
buf = scm_must_malloc (size, s_sys_readlink);
|
||
}
|
||
if (rv == -1)
|
||
scm_syserror (s_sys_readlink);
|
||
result = scm_makfromstr (buf, rv, 0);
|
||
scm_must_free (buf);
|
||
SCM_ALLOW_INTS;
|
||
return result;
|
||
#else
|
||
scm_sysmissing (s_sys_readlink);
|
||
/* not reached. */
|
||
return SCM_BOOL_F;
|
||
#endif
|
||
}
|
||
|
||
|
||
SCM_PROC (s_sys_lstat, "lstat", 1, 0, 0, scm_sys_lstat);
|
||
|
||
SCM
|
||
scm_sys_lstat(str)
|
||
SCM str;
|
||
{
|
||
#ifdef HAVE_LSTAT
|
||
int rv;
|
||
struct stat stat_temp;
|
||
|
||
SCM_ASSERT(SCM_NIMP(str) && SCM_STRINGP(str), str, (char *)SCM_ARG1, s_sys_lstat);
|
||
SCM_SYSCALL(rv = lstat(SCM_CHARS(str), &stat_temp));
|
||
if (rv != 0)
|
||
scm_syserror_msg (s_sys_lstat, "%s: %S",
|
||
scm_listify (scm_makfrom0str (strerror (errno)),
|
||
str,
|
||
SCM_UNDEFINED));
|
||
return scm_stat2scm(&stat_temp);
|
||
#else
|
||
scm_sysmissing (s_sys_lstat);
|
||
/* not reached. */
|
||
return SCM_BOOL_F;
|
||
#endif
|
||
}
|
||
|
||
|
||
SCM_PROC (s_sys_copy_file, "copy-file", 2, 0, 0, scm_sys_copy_file);
|
||
|
||
SCM
|
||
scm_sys_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_sys_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_sys_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_sys_copy_file);
|
||
SCM_DEFER_INTS;
|
||
oldfd = open (SCM_ROCHARS (oldfile), O_RDONLY);
|
||
if (oldfd == -1)
|
||
scm_syserror (s_sys_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_sys_copy_file);
|
||
|
||
while ((n = read (oldfd, buf, sizeof buf)) > 0)
|
||
if (write (newfd, buf, n) != n)
|
||
{
|
||
close (oldfd);
|
||
close (newfd);
|
||
scm_syserror (s_sys_copy_file);
|
||
}
|
||
close (oldfd);
|
||
if (close (newfd) == -1)
|
||
scm_syserror (s_sys_copy_file);
|
||
SCM_ALLOW_INTS;
|
||
return SCM_UNSPECIFIED;
|
||
}
|
||
|
||
|
||
|
||
void
|
||
scm_init_filesys ()
|
||
{
|
||
scm_add_feature ("i/o-extensions");
|
||
|
||
scm_tc16_fd = scm_newsmob (&fd_smob);
|
||
scm_tc16_dir = scm_newsmob (&dir_smob);
|
||
|
||
#include "filesys.x"
|
||
}
|