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-rw-r--r--libguile/filesys.c1311
1 files changed, 0 insertions, 1311 deletions
diff --git a/libguile/filesys.c b/libguile/filesys.c
deleted file mode 100644
index 38f0b7768..000000000
--- a/libguile/filesys.c
+++ /dev/null
@@ -1,1311 +0,0 @@
-/* Copyright (C) 1996 Free Software Foundation, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * As a special exception, the Free Software Foundation gives permission
- * for additional uses of the text contained in its release of GUILE.
- *
- * The exception is that, if you link the GUILE library with other files
- * to produce an executable, this does not by itself cause the
- * resulting executable to be covered by the GNU General Public License.
- * Your use of that executable is in no way restricted on account of
- * linking the GUILE library code into it.
- *
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
- *
- * This exception applies only to the code released by the
- * Free Software Foundation under the name GUILE. If you copy
- * code from other Free Software Foundation releases into a copy of
- * GUILE, as the General Public License permits, the exception does
- * not apply to the code that you add in this way. To avoid misleading
- * anyone as to the status of such modified files, you must delete
- * this exception notice from them.
- *
- * If you write modifications of your own for GUILE, it is your choice
- * whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice.
- */
-
-#include "_scm.h"
-#include "genio.h"
-#include "smob.h"
-#include "feature.h"
-
-#include "filesys.h"
-
-#ifdef TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-#endif
-
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-#ifdef LIBC_H_WITH_UNISTD_H
-#include <libc.h>
-#endif
-
-#ifdef HAVE_SYS_SELECT_H
-#include <sys/select.h>
-#endif
-
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-#include <pwd.h>
-
-
-#ifdef FD_SET
-
-#define SELECT_TYPE fd_set
-#define SELECT_SET_SIZE FD_SETSIZE
-
-#else /* no FD_SET */
-
-/* Define the macros to access a single-int bitmap of descriptors. */
-#define SELECT_SET_SIZE 32
-#define SELECT_TYPE int
-#define FD_SET(n, p) (*(p) |= (1 << (n)))
-#define FD_CLR(n, p) (*(p) &= ~(1 << (n)))
-#define FD_ISSET(n, p) (*(p) & (1 << (n)))
-#define FD_ZERO(p) (*(p) = 0)
-
-#endif /* no FD_SET */
-
-#if HAVE_DIRENT_H
-# include <dirent.h>
-# define NAMLEN(dirent) strlen((dirent)->d_name)
-#else
-# define dirent direct
-# define NAMLEN(dirent) (dirent)->d_namlen
-# if HAVE_SYS_NDIR_H
-# include <sys/ndir.h>
-# endif
-# if HAVE_SYS_DIR_H
-# include <sys/dir.h>
-# endif
-# if HAVE_NDIR_H
-# include <ndir.h>
-# endif
-#endif
-
-
-
-#ifdef O_CREAT
-SCM_CONST_LONG (scm_O_CREAT, "O_CREAT", O_CREAT);
-#endif
-
-#ifdef O_EXCL
-SCM_CONST_LONG (scm_O_EXCL, "O_EXCL", O_EXCL);
-#endif
-
-#ifdef O_NOCTTY
-SCM_CONST_LONG (scm_O_NOCTTY, "O_NOCTTY", O_NOCTTY);
-#endif
-
-#ifdef O_TRUNC
-SCM_CONST_LONG (scm_O_TRUNC, "O_TRUNC", O_TRUNC);
-#endif
-
-#ifdef O_APPEND
-SCM_CONST_LONG (scm_O_APPEND, "O_APPEND", O_APPEND);
-#endif
-
-#ifdef O_NONBLOCK
-SCM_CONST_LONG (scm_O_NONBLOCK, "O_NONBLOCK", O_NONBLOCK);
-#endif
-
-#ifdef O_NDELAY
-SCM_CONST_LONG (scm_O_NDELAY, "O_NDELAY", O_NDELAY);
-#endif
-
-#ifdef O_SYNC
-SCM_CONST_LONG (scm_O_SYNC, "O_SYNC", O_SYNC);
-#endif
-
-
-
-
-
-/* {Permissions}
- */
-
-SCM_PROC (s_sys_chown, "chown", 3, 0, 0, scm_sys_chown);
-
-SCM
-scm_sys_chown (path, owner, group)
- SCM path;
- SCM owner;
- SCM group;
-{
- int val;
-
- SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, SCM_ARG1, s_sys_chown);
- if (SCM_SUBSTRP (path))
- path = scm_makfromstr (SCM_ROCHARS (path), SCM_ROLENGTH (path), 0);
- SCM_ASSERT (SCM_INUMP (owner), owner, SCM_ARG2, s_sys_chown);
- SCM_ASSERT (SCM_INUMP (group), group, SCM_ARG3, s_sys_chown);
- SCM_SYSCALL (val = chown (SCM_ROCHARS (path),
- SCM_INUM (owner), SCM_INUM (group)));
- if (val != 0)
- scm_syserror (s_sys_chown);
- return SCM_UNSPECIFIED;
-}
-
-
-SCM_PROC (s_sys_chmod, "chmod", 2, 0, 0, scm_sys_chmod);
-
-SCM
-scm_sys_chmod (port_or_path, mode)
- SCM port_or_path;
- SCM mode;
-{
- int rv;
- SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG2, s_sys_chmod);
- SCM_ASSERT (SCM_NIMP (port_or_path), port_or_path, SCM_ARG1, s_sys_chmod);
- if (SCM_STRINGP (port_or_path))
- SCM_SYSCALL (rv = chmod (SCM_CHARS (port_or_path), SCM_INUM (mode)));
- else
- {
- SCM_ASSERT (SCM_OPFPORTP (port_or_path), port_or_path, SCM_ARG1, s_sys_chmod);
- rv = fileno ((FILE *)SCM_STREAM (port_or_path));
- if (rv != -1)
- SCM_SYSCALL (rv = fchmod (rv, SCM_INUM (mode)));
- }
- if (rv != 0)
- scm_syserror (s_sys_chmod);
- return SCM_UNSPECIFIED;
-}
-
-SCM_PROC (s_umask, "umask", 0, 1, 0, scm_umask);
-
-SCM
-scm_umask (mode)
- SCM mode;
-{
- mode_t mask;
- if (SCM_UNBNDP (mode))
- {
- mask = umask (0);
- umask (mask);
- }
- else
- {
- SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG1, s_umask);
- mask = umask (SCM_INUM (mode));
- }
- return SCM_MAKINUM (mask);
-}
-
-
-/* {File Descriptors}
- */
-long scm_tc16_fd;
-
-
-static int scm_fd_print SCM_P ((SCM sexp, SCM port, scm_print_state *pstate));
-
-static int
-scm_fd_print (sexp, port, pstate)
- SCM sexp;
- SCM port;
- scm_print_state *pstate;
-{
- scm_gen_puts (scm_regular_string, "#<fd ", port);
- scm_intprint (SCM_CDR (sexp), 10, port);
- scm_gen_puts (scm_regular_string, ">", port);
- return 1;
-}
-
-
-static scm_sizet scm_fd_free SCM_P ((SCM p));
-
-static scm_sizet
-scm_fd_free (p)
- SCM p;
-{
- SCM flags;
-
- flags = SCM_FD_FLAGS (p);
- if ((scm_close_fd_on_gc & flags) && (scm_fd_is_open & flags))
- {
- SCM_SYSCALL( close (SCM_FD (p)) );
- }
- return 0;
-}
-
-static scm_smobfuns fd_smob = {scm_mark0, scm_fd_free, scm_fd_print, 0};
-
-
-SCM
-scm_intern_fd (fd, flags)
- int fd;
- int flags;
-{
- SCM it;
- SCM_NEWCELL (it);
- SCM_REDEFER_INTS;
- SCM_SETCAR (it, (scm_tc16_fd | (flags << 16)));
- SCM_SETCDR (it, (SCM)fd);
- SCM_REALLOW_INTS;
- return it;
-}
-
-
-
-SCM_PROC (s_sys_open, "open", 3, 0, 0, scm_sys_open);
-
-SCM
-scm_sys_open (path, flags, mode)
- SCM path;
- SCM flags;
- SCM mode;
-{
- int fd;
- SCM sfd;
-
- SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, SCM_ARG1, s_sys_open);
- SCM_ASSERT (SCM_INUMP (flags), flags, SCM_ARG2, s_sys_open);
- SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG3, s_sys_open);
-
- if (SCM_SUBSTRP (path))
- path = scm_makfromstr (SCM_ROCHARS (path), SCM_ROLENGTH (path), 0);
-
- SCM_DEFER_INTS;
- SCM_SYSCALL ( fd = open (SCM_ROCHARS (path), SCM_INUM (flags), SCM_INUM (mode)) );
- if (fd == -1)
- scm_syserror (s_sys_open);
- sfd = scm_intern_fd (fd, scm_fd_is_open | scm_close_fd_on_gc);
- SCM_ALLOW_INTS;
-
- return scm_return_first (sfd, path);
-}
-
-
-SCM_PROC (s_sys_create, "create", 2, 0, 0, scm_sys_create);
-
-SCM
-scm_sys_create (path, mode)
- SCM path;
- SCM mode;
-{
- int fd;
- SCM sfd;
-
- SCM_ASSERT (SCM_NIMP (path) && SCM_ROSTRINGP (path), path, SCM_ARG1, s_sys_create);
- SCM_ASSERT (SCM_INUMP (mode), mode, SCM_ARG2, s_sys_create);
-
- if (SCM_SUBSTRP (path))
- path = scm_makfromstr (SCM_ROCHARS (path), SCM_ROLENGTH (path), 0);
-
- SCM_DEFER_INTS;
- SCM_SYSCALL ( fd = creat (SCM_ROCHARS (path), SCM_INUM (mode)) );
- if (fd == -1)
- scm_syserror (s_sys_create);
- sfd = scm_intern_fd (fd, scm_fd_is_open | scm_close_fd_on_gc);
- SCM_ALLOW_INTS;
-
- return scm_return_first (sfd, path);
-}
-
-
-SCM_PROC (s_sys_close, "close", 1, 0, 0, scm_sys_close);
-
-SCM
-scm_sys_close (sfd)
- SCM sfd;
-{
- int fd;
- int got;
- SCM_ASSERT (SCM_NIMP (sfd) && SCM_FD_P (sfd), sfd, SCM_ARG1, s_sys_close);
- fd = SCM_FD (sfd);
-
- SCM_DEFER_INTS;
- got = close (fd);
- SCM_SETCAR (sfd, scm_tc16_fd);
- SCM_ALLOW_INTS;
- if (got == -1)
- scm_syserror (s_sys_close);
- return SCM_UNSPECIFIED;
-}
-
-
-SCM_PROC (s_sys_write_fd, "write-fd", 2, 0, 0, scm_sys_write_fd);
-
-SCM
-scm_sys_write_fd (sfd, buf)
- SCM sfd;
- SCM buf;
-{
- SCM answer;
- int fd;
- size_t written;
- SCM_ASSERT (SCM_NIMP (sfd) && SCM_FD_P (sfd), sfd, SCM_ARG1, s_sys_write_fd);
- SCM_ASSERT (SCM_NIMP (buf) && SCM_ROSTRINGP (buf), buf, SCM_ARG2, s_sys_write_fd);
- fd = SCM_FD (sfd);
- SCM_DEFER_INTS;
- written = write (fd, SCM_ROCHARS (buf), SCM_ROLENGTH (buf));
- if (written == -1)
- scm_syserror (s_sys_write_fd);
- answer = scm_long2num (written);
- SCM_ALLOW_INTS;
- return scm_return_first (answer, buf);
-}
-
-
-SCM_PROC (s_sys_read_fd, "read-fd", 2, 2, 0, scm_sys_read_fd);
-
-SCM
-scm_sys_read_fd (sfd, buf, offset, length)
- SCM sfd;
- SCM buf;
- SCM offset;
- SCM length;
-{
- SCM answer;
- int fd;
- char * bytes;
- int off;
- int len;
- size_t got;
-
- SCM_ASSERT (SCM_NIMP (sfd) && SCM_FD_P (sfd), sfd, SCM_ARG1, s_sys_read_fd);
- fd = SCM_FD (sfd);
-
- SCM_ASSERT (SCM_NIMP (buf) && SCM_STRINGP (buf), buf, SCM_ARG2, s_sys_read_fd);
- bytes = SCM_CHARS (buf);
-
- if (SCM_UNBNDP (offset))
- off = 0;
- else
- {
- 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);
- }
-
- SCM_DEFER_INTS;
- got = read (fd, bytes + off, len);
- if (got == -1)
- 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 FIONREAD
- {
- long remir;
- ioctl(fileno(f), FIONREAD, &remir);
- return remir;
- }
-# else
-# 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
- return -1;
-# 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"
-}