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-rw-r--r--libguile/ioext.c458
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diff --git a/libguile/ioext.c b/libguile/ioext.c
deleted file mode 100644
index 37b8bdc34..000000000
--- a/libguile/ioext.c
+++ /dev/null
@@ -1,458 +0,0 @@
-/* Copyright (C) 1995 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 <stdio.h>
-#include "fd.h"
-#include "_scm.h"
-#include "fports.h"
-
-#include "ioext.h"
-
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-
-SCM_PROC (s_sys_ftell, "ftell", 1, 0, 0, scm_sys_ftell);
-
-SCM
-scm_sys_ftell (port)
- SCM port;
-{
- long pos;
- SCM_ASSERT (SCM_NIMP (port) && SCM_OPFPORTP (port), port, SCM_ARG1, s_sys_ftell);
- SCM_SYSCALL (pos = ftell ((FILE *)SCM_STREAM (port)));
- if (pos < 0)
- scm_syserror (s_sys_ftell);
- if (pos > 0 && SCM_CRDYP (port))
- pos--;
- return scm_long2num (pos);
-}
-
-
-
-SCM_PROC (s_sys_fseek, "fseek", 3, 0, 0, scm_sys_fseek);
-
-SCM
-scm_sys_fseek (port, offset, whence)
- SCM port;
- SCM offset;
- SCM whence;
-{
- int rv;
- long loff;
-
- SCM_ASSERT (SCM_NIMP (port) && SCM_OPFPORTP (port), port, SCM_ARG1, s_sys_fseek);
- loff = scm_num2long (offset, (char *)SCM_ARG2, s_sys_fseek);
- SCM_ASSERT (SCM_INUMP (whence) && (SCM_INUM (whence) < 3) && (SCM_INUM (whence) >= 0),
- whence, SCM_ARG3, s_sys_fseek);
-
- SCM_CLRDY (port); /* Clear ungetted char */
- /* Values of whence are interned in scm_init_ioext. */
- rv = fseek ((FILE *)SCM_STREAM (port), loff, SCM_INUM (whence));
- if (rv != 0)
- scm_syserror (s_sys_fseek);
- return SCM_UNSPECIFIED;
-}
-
-
-
-SCM_PROC (s_sys_freopen, "freopen", 3, 0, 0, scm_sys_freopen);
-
-SCM
-scm_sys_freopen (filename, modes, port)
- SCM filename;
- SCM modes;
- SCM port;
-{
- FILE *f;
- SCM_ASSERT (SCM_NIMP (filename) && SCM_STRINGP (filename), filename, SCM_ARG1, s_sys_freopen);
- SCM_ASSERT (SCM_NIMP (modes) && SCM_STRINGP (modes), modes, SCM_ARG2, s_sys_freopen);
- SCM_DEFER_INTS;
- SCM_ASSERT (SCM_NIMP (port) && SCM_FPORTP (port), port, SCM_ARG3, s_sys_freopen);
- SCM_SYSCALL (f = freopen (SCM_CHARS (filename), SCM_CHARS (modes), (FILE *)SCM_STREAM (port)));
- if (!f)
- {
- SCM p;
- p = port;
- port = SCM_MAKINUM (errno);
- SCM_SETAND_CAR (p, ~SCM_OPN);
- scm_remove_from_port_table (p);
- }
- else
- {
- SCM_SETCAR (port, scm_tc16_fport | scm_mode_bits (SCM_CHARS (modes)));
- SCM_SETSTREAM (port, (SCM)f);
- SCM_SETCAR (port, scm_tc16_fport | scm_mode_bits (SCM_CHARS (modes)));
- if (SCM_BUF0 & SCM_CAR (port))
- scm_setbuf0 (port);
- }
- SCM_ALLOW_INTS;
- return port;
-}
-
-
-
-SCM_PROC (s_sys_duplicate_port, "duplicate-port", 2, 0, 0, scm_sys_duplicate_port);
-
-SCM
-scm_sys_duplicate_port (oldpt, modes)
- SCM oldpt;
- SCM modes;
-{
- int oldfd;
- int newfd;
- FILE *f;
- SCM newpt;
- SCM_ASSERT (SCM_NIMP (oldpt) && SCM_OPPORTP (oldpt), oldpt, SCM_ARG1, s_sys_duplicate_port);
- SCM_ASSERT (SCM_NIMP (modes) && SCM_STRINGP (modes), modes, SCM_ARG2, s_sys_duplicate_port);
- SCM_NEWCELL (newpt);
- SCM_DEFER_INTS;
- oldfd = fileno ((FILE *)SCM_STREAM (oldpt));
- if (oldfd == -1)
- scm_syserror (s_sys_duplicate_port);
- SCM_SYSCALL (newfd = dup (oldfd));
- if (newfd == -1)
- scm_syserror (s_sys_duplicate_port);
- f = fdopen (newfd, SCM_CHARS (modes));
- if (!f)
- {
- SCM_SYSCALL (close (newfd));
- scm_syserror (s_sys_duplicate_port);
- }
- {
- struct scm_port_table * pt;
- pt = scm_add_to_port_table (newpt);
- SCM_SETPTAB_ENTRY (newpt, pt);
- SCM_SETCAR (newpt, scm_tc16_fport | scm_mode_bits (SCM_CHARS (modes)));
- if (SCM_BUF0 & SCM_CAR (newpt))
- scm_setbuf0 (newpt);
- SCM_SETSTREAM (newpt, (SCM)f);
- SCM_PTAB_ENTRY (newpt)->file_name = SCM_PTAB_ENTRY (oldpt)->file_name;
- }
- SCM_ALLOW_INTS;
- return newpt;
-}
-
-
-
-SCM_PROC (s_sys_redirect_port, "redirect-port", 2, 0, 0, scm_sys_redirect_port);
-
-SCM
-scm_sys_redirect_port (into_pt, from_pt)
- SCM into_pt;
- SCM from_pt;
-{
- int ans, oldfd, newfd;
- SCM_DEFER_INTS;
- SCM_ASSERT (SCM_NIMP (into_pt) && SCM_OPPORTP (into_pt), into_pt, SCM_ARG1, s_sys_redirect_port);
- SCM_ASSERT (SCM_NIMP (from_pt) && SCM_OPPORTP (from_pt), from_pt, SCM_ARG2, s_sys_redirect_port);
- oldfd = fileno ((FILE *)SCM_STREAM (into_pt));
- if (oldfd == -1)
- scm_syserror (s_sys_redirect_port);
- newfd = fileno ((FILE *)SCM_STREAM (from_pt));
- if (newfd == -1)
- scm_syserror (s_sys_redirect_port);
- SCM_SYSCALL (ans = dup2 (oldfd, newfd));
- if (ans == -1)
- scm_syserror (s_sys_redirect_port);
- SCM_ALLOW_INTS;
- return SCM_UNSPECIFIED;
-}
-
-SCM_PROC (s_sys_fileno, "fileno", 1, 0, 0, scm_sys_fileno);
-
-SCM
-scm_sys_fileno (port)
- SCM port;
-{
- int fd;
- SCM_ASSERT (SCM_NIMP (port) && SCM_OPFPORTP (port), port, SCM_ARG1, s_sys_fileno);
- fd = fileno ((FILE *)SCM_STREAM (port));
- if (fd == -1)
- scm_syserror (s_sys_fileno);
- return SCM_MAKINUM (fd);
-}
-
-SCM_PROC (s_sys_isatty, "isatty?", 1, 0, 0, scm_sys_isatty_p);
-
-SCM
-scm_sys_isatty_p (port)
- SCM port;
-{
- int rv;
- SCM_ASSERT (SCM_NIMP (port) && SCM_OPFPORTP (port), port, SCM_ARG1, s_sys_isatty);
- rv = fileno ((FILE *)SCM_STREAM (port));
- if (rv == -1)
- scm_syserror (s_sys_isatty);
- rv = isatty (rv);
- return rv ? SCM_BOOL_T : SCM_BOOL_F;
-}
-
-
-
-SCM_PROC (s_sys_fdopen, "fdopen", 2, 0, 0, scm_sys_fdopen);
-
-SCM
-scm_sys_fdopen (fdes, modes)
- SCM fdes;
- SCM modes;
-{
- FILE *f;
- SCM port;
- struct scm_port_table * pt;
-
- SCM_ASSERT (SCM_INUMP (fdes), fdes, SCM_ARG1, s_sys_fdopen);
- SCM_ASSERT (SCM_NIMP (modes) && SCM_STRINGP (modes), modes, SCM_ARG2, s_sys_fdopen);
- SCM_NEWCELL (port);
- SCM_DEFER_INTS;
- f = fdopen (SCM_INUM (fdes), SCM_CHARS (modes));
- if (f == NULL)
- scm_syserror (s_sys_fdopen);
- pt = scm_add_to_port_table (port);
- SCM_SETPTAB_ENTRY (port, pt);
- SCM_SETCAR (port, scm_tc16_fport | scm_mode_bits (SCM_CHARS (modes)));
- if (SCM_BUF0 & SCM_CAR (port))
- scm_setbuf0 (port);
- SCM_SETSTREAM (port, (SCM)f);
- SCM_ALLOW_INTS;
- return port;
-}
-
-
-
-/* Move a port's underlying file descriptor to a given value.
- * Returns #f if fdes is already the given value.
- * #t if fdes moved.
- * MOVE->FDES is implemented in Scheme and calls this primitive.
- */
-SCM_PROC (s_sys_primitive_move_to_fdes, "primitive-move->fdes", 2, 0, 0, scm_sys_primitive_move_to_fdes);
-
-SCM
-scm_sys_primitive_move_to_fdes (port, fd)
- SCM port;
- SCM fd;
-{
- FILE *stream;
- int old_fd;
- int new_fd;
- int rv;
-
- SCM_ASSERT (SCM_NIMP (port) && SCM_OPFPORTP (port), port, SCM_ARG1, s_sys_primitive_move_to_fdes);
- SCM_ASSERT (SCM_INUMP (fd), fd, SCM_ARG2, s_sys_primitive_move_to_fdes);
- SCM_DEFER_INTS;
- stream = (FILE *)SCM_STREAM (port);
- old_fd = fileno (stream);
- new_fd = SCM_INUM (fd);
- if (old_fd == new_fd)
- {
- SCM_ALLOW_INTS;
- return SCM_BOOL_F;
- }
- scm_evict_ports (new_fd);
- rv = dup2 (old_fd, new_fd);
- if (rv == -1)
- scm_syserror (s_sys_primitive_move_to_fdes);
- scm_setfileno (stream, new_fd);
- SCM_SYSCALL (close (old_fd));
- SCM_ALLOW_INTS;
- return SCM_BOOL_T;
-}
-
-
-void
-scm_setfileno (fs, fd)
- FILE *fs;
- int fd;
-{
-#ifdef SET_FILE_FD_FIELD
- SET_FILE_FD_FIELD(fs, fd);
-#else
- Configure could not guess the name of the correct field in a FILE *.
-
- This function needs to be ported to your system.
-
- SET_FILE_FD_FIELD should change the descriptor refered to by a stdio
- stream, and nothing else.
-
- The way to port this file is to add cases to configure.in. Search
- that file for "SET_FILE_FD_FIELD" and follow the examples there.
-#endif
-}
-
-/* Move ports with the specified file descriptor to new descriptors,
- * reseting the revealed count to 0.
- * Should be called with SCM_DEFER_INTS active.
- */
-
-void
-scm_evict_ports (fd)
- int fd;
-{
- int i;
-
- for (i = 0; i < scm_port_table_size; i++)
- {
- if (SCM_FPORTP (scm_port_table[i]->port)
- && fileno ((FILE *)SCM_STREAM (scm_port_table[i]->port)) == fd)
- {
- scm_setfileno ((FILE *)SCM_STREAM (scm_port_table[i]->port), dup (fd));
- scm_set_port_revealed_x (scm_port_table[i]->port, SCM_MAKINUM (0));
- }
- }
-}
-
-/* Return a list of ports using a given file descriptor. */
-SCM_PROC(s_fdes_to_ports, "fdes->ports", 1, 0, 0, scm_fdes_to_ports);
-
-SCM
-scm_fdes_to_ports (fd)
- SCM fd;
-{
- SCM result = SCM_EOL;
- int int_fd;
- int i;
-
- SCM_ASSERT (SCM_INUMP (fd), fd, SCM_ARG1, s_fdes_to_ports);
- int_fd = SCM_INUM (fd);
-
- SCM_DEFER_INTS;
- for (i = 0; i < scm_port_table_size; i++)
- {
- if (SCM_FPORTP (scm_port_table[i]->port)
- && fileno ((FILE *)SCM_STREAM (scm_port_table[i]->port)) == int_fd)
- result = scm_cons (scm_port_table[i]->port, result);
- }
- SCM_ALLOW_INTS;
- return result;
-}
-
-
-void
-scm_init_ioext ()
-{
- /* fseek() symbols. */
- scm_sysintern ("SEEK_SET", SCM_MAKINUM (SEEK_SET));
- scm_sysintern ("SEEK_CUR", SCM_MAKINUM (SEEK_CUR));
- scm_sysintern ("SEEK_END", SCM_MAKINUM (SEEK_END));
-
- /* File type/permission bits. */
-#ifdef S_IRUSR
- scm_sysintern ("S_IRUSR", SCM_MAKINUM (S_IRUSR));
-#endif
-#ifdef S_IWUSR
- scm_sysintern ("S_IWUSR", SCM_MAKINUM (S_IWUSR));
-#endif
-#ifdef S_IXUSR
- scm_sysintern ("S_IXUSR", SCM_MAKINUM (S_IXUSR));
-#endif
-#ifdef S_IRWXU
- scm_sysintern ("S_IRWXU", SCM_MAKINUM (S_IRWXU));
-#endif
-
-#ifdef S_IRGRP
- scm_sysintern ("S_IRGRP", SCM_MAKINUM (S_IRGRP));
-#endif
-#ifdef S_IWGRP
- scm_sysintern ("S_IWGRP", SCM_MAKINUM (S_IWGRP));
-#endif
-#ifdef S_IXGRP
- scm_sysintern ("S_IXGRP", SCM_MAKINUM (S_IXGRP));
-#endif
-#ifdef S_IRWXG
- scm_sysintern ("S_IRWXG", SCM_MAKINUM (S_IRWXG));
-#endif
-
-#ifdef S_IROTH
- scm_sysintern ("S_IROTH", SCM_MAKINUM (S_IROTH));
-#endif
-#ifdef S_IWOTH
- scm_sysintern ("S_IWOTH", SCM_MAKINUM (S_IWOTH));
-#endif
-#ifdef S_IXOTH
- scm_sysintern ("S_IXOTH", SCM_MAKINUM (S_IXOTH));
-#endif
-#ifdef S_IRWXO
- scm_sysintern ("S_IRWXO", SCM_MAKINUM (S_IRWXO));
-#endif
-
-#ifdef S_ISUID
- scm_sysintern ("S_ISUID", SCM_MAKINUM (S_ISUID));
-#endif
-#ifdef S_ISGID
- scm_sysintern ("S_ISGID", SCM_MAKINUM (S_ISGID));
-#endif
-#ifdef S_ISVTX
- scm_sysintern ("S_ISVTX", SCM_MAKINUM (S_ISVTX));
-#endif
-
-#ifdef S_IFMT
- scm_sysintern ("S_IFMT", SCM_MAKINUM (S_IFMT));
-#endif
-#ifdef S_IFDIR
- scm_sysintern ("S_IFDIR", SCM_MAKINUM (S_IFDIR));
-#endif
-#ifdef S_IFCHR
- scm_sysintern ("S_IFCHR", SCM_MAKINUM (S_IFCHR));
-#endif
-#ifdef S_IFBLK
- scm_sysintern ("S_IFBLK", SCM_MAKINUM (S_IFBLK));
-#endif
-#ifdef S_IFREG
- scm_sysintern ("S_IFREG", SCM_MAKINUM (S_IFREG));
-#endif
-#ifdef S_IFLNK
- scm_sysintern ("S_IFLNK", SCM_MAKINUM (S_IFLNK));
-#endif
-#ifdef S_IFSOCK
- scm_sysintern ("S_IFSOCK", SCM_MAKINUM (S_IFSOCK));
-#endif
-#ifdef S_IFIFO
- scm_sysintern ("S_IFIFO", SCM_MAKINUM (S_IFIFO));
-#endif
-#include "ioext.x"
-}
-