Import guile-1.8 as multiple upstream tarball component

[lilypond.git] / guile18 / libguile / fports.h

diff --git a/guile18/libguile/fports.h b/guile18/libguile/fports.h
new file mode 100644 (file)
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--- /dev/null
+++ b/guile18/libguile/fports.h
@@ -0,0 +1,71 @@
+/* classes: h_files */
+
+#ifndef SCM_FPORTS_H
+#define SCM_FPORTS_H
+
+/* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+\f
+
+#include "libguile/__scm.h"
+
+#include "libguile/ports.h"
+
+\f
+
+/* 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)
+
+\f
+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);
+SCM_API int scm_i_fport_truncate (SCM, SCM);
+SCM_API SCM scm_i_fport_seek (SCM, SCM, int);
+
+
+#endif  /* SCM_FPORTS_H */
+
+/*
+  Local Variables:
+  c-file-style: "gnu"
+  End:
+*/