X-Git-Url: http://git.hcoop.net/bpt/guile.git/blobdiff_plain/2da7762fdd4d9b1d3b381bceca017fb8d7e215a1..cb1cfc42a4f5ac4d60a64b425795432a0388ad7e:/libguile/fports.h

diff --git a/libguile/fports.h b/libguile/fports.h
dissimilarity index 90%
index 270e846b3..3d88c2fb4 100644
--- a/libguile/fports.h
+++ b/libguile/fports.h
@@ -1,80 +1,68 @@
-/* classes: h_files */
-
-#ifndef FPORTSH
-#define FPORTSH
-/*	Copyright (C) 1995,1996 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 "libguile/__scm.h"
-
-#include "libguile/ports.h"
-
-
-
-extern scm_ptobfuns scm_fptob;
-extern scm_ptobfuns scm_pipob;
-
-
-#ifdef __STDC__
-extern SCM scm_setbuf0 (SCM port);
-extern long scm_mode_bits (char *modes);
-extern SCM scm_mkfile (char * name, char * modes);
-extern SCM scm_open_file (SCM filename, SCM modes);
-extern SCM scm_port_mode (SCM port);
-extern void scm_init_fports (void);
-
-#else /* STDC */
-extern SCM scm_setbuf0 ();
-extern long scm_mode_bits ();
-extern SCM scm_mkfile ();
-extern SCM scm_open_file ();
-extern SCM scm_port_mode ();
-extern void scm_init_fports ();
-
-#endif /* STDC */
-
-
-
-
-
-
-#endif  /* FPORTSH */
+/* classes: h_files */
+
+#ifndef SCM_FPORTS_H
+#define SCM_FPORTS_H
+
+/* Copyright (C) 1995,1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+
+
+#include "libguile/__scm.h"
+
+#include "libguile/ports.h"
+
+
+
+/* struct allocated for each buffered FPORT.  */
+typedef struct scm_t_fport {
+  int fdes;			/* file descriptor.  */
+} scm_t_fport;
+
+SCM_API scm_t_bits scm_tc16_fport;
+
+#define SCM_FSTREAM(x) ((scm_t_fport *) SCM_STREAM (x))
+#define SCM_FPORT_FDES(x) (SCM_FSTREAM (x)->fdes)
+
+#define SCM_FPORTP(x) (!SCM_IMP (x) && (SCM_TYP16 (x) == scm_tc16_fport))
+#define SCM_OPFPORTP(x) (SCM_FPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_OPN))
+#define SCM_OPINFPORTP(x) (SCM_OPFPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_RDNG))
+#define SCM_OPOUTFPORTP(x) (SCM_OPFPORTP (x) && (SCM_CELL_WORD_0 (x) & SCM_WRTNG))
+
+/* test whether fdes supports random access.  */
+#define SCM_FDES_RANDOM_P(fdes) ((lseek (fdes, 0, SEEK_CUR) == -1) ? 0 : 1)
+
+
+SCM_API SCM scm_setbuf0 (SCM port);
+SCM_API SCM scm_setvbuf (SCM port, SCM mode, SCM size);
+SCM_API void scm_evict_ports (int fd);
+SCM_API SCM scm_open_file (SCM filename, SCM modes);
+SCM_API SCM scm_fdes_to_port (int fdes, char *mode, SCM name);
+SCM_API SCM scm_file_port_p (SCM obj);
+SCM_API void scm_init_fports (void);
+
+/* internal functions */
+
+SCM_API SCM scm_i_fdes_to_port (int fdes, long mode_bits, SCM name);
+
+#endif  /* SCM_FPORTS_H */
+
+/*
+  Local Variables:
+  c-file-style: "gnu"
+  End:
+*/