diff options
Diffstat (limited to 'libguile/vports.c')
-rw-r--r-- | libguile/vports.c | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/libguile/vports.c b/libguile/vports.c deleted file mode 100644 index 89e398e98..000000000 --- a/libguile/vports.c +++ /dev/null @@ -1,226 +0,0 @@ -/* 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 <stdio.h> -#include "_scm.h" -#include "eval.h" -#include "chars.h" -#include "fports.h" - -#include "vports.h" - -#ifdef HAVE_STRING_H -#include <string.h> -#endif - - - -/* {Ports - soft ports} - * - */ - - - -static int prinsfpt SCM_P ((SCM exp, SCM port, scm_print_state *pstate)); - -static int -prinsfpt (exp, port, pstate) - SCM exp; - SCM port; - scm_print_state *pstate; -{ - scm_prinport (exp, port, "soft"); - return !0; -} - -/* sfputc sfwrite sfputs sfclose - * are called within a SCM_SYSCALL. - * - * So we need to set errno to 0 before returning. sfflush - * may be called within a SCM_SYSCALL. So we need to set errno to 0 - * before returning. - */ - - -static int sfputc SCM_P ((int c, SCM p)); - -static int -sfputc (c, p) - int c; - SCM p; -{ - scm_apply (SCM_VELTS (p)[0], SCM_MAKICHR (c), scm_listofnull); - errno = 0; - return c; -} - - -static scm_sizet sfwrite SCM_P ((char *str, scm_sizet siz, scm_sizet num, SCM p)); - -static scm_sizet -sfwrite (str, siz, num, p) - char *str; - scm_sizet siz; - scm_sizet num; - SCM p; -{ - SCM sstr; - sstr = scm_makfromstr (str, siz * num, 0); - scm_apply (SCM_VELTS (p)[1], sstr, scm_listofnull); - errno = 0; - return num; -} - - -static int sfputs SCM_P ((char *s, SCM p)); - -static int -sfputs (s, p) - char *s; - SCM p; -{ - sfwrite (s, 1, strlen (s), p); - return 0; -} - - -static int sfflush SCM_P ((SCM stream)); - -static int -sfflush (stream) - SCM stream; -{ - SCM f = SCM_VELTS (stream)[2]; - if (SCM_BOOL_F == f) - return 0; - f = scm_apply (f, SCM_EOL, SCM_EOL); - errno = 0; - return SCM_BOOL_F == f ? EOF : 0; -} - - -static int sfgetc SCM_P ((SCM p)); - -static int -sfgetc (p) - SCM p; -{ - SCM ans; - ans = scm_apply (SCM_VELTS (p)[3], SCM_EOL, SCM_EOL); - errno = 0; - if (SCM_FALSEP (ans) || SCM_EOF_VAL == ans) - return EOF; - SCM_ASSERT (SCM_ICHRP (ans), ans, SCM_ARG1, "getc"); - return SCM_ICHR (ans); -} - - -static int sfclose SCM_P ((SCM p)); - -static int -sfclose (p) - SCM p; -{ - SCM f = SCM_VELTS (p)[4]; - if (SCM_BOOL_F == f) - return 0; - f = scm_apply (f, SCM_EOL, SCM_EOL); - errno = 0; - return SCM_BOOL_F == f ? EOF : 0; -} - - - -SCM_PROC(s_make_soft_port, "make-soft-port", 2, 0, 0, scm_make_soft_port); - -SCM -scm_make_soft_port (pv, modes) - SCM pv; - SCM modes; -{ - struct scm_port_table * pt; - SCM z; - SCM_ASSERT (SCM_NIMP (pv) && SCM_VECTORP (pv) && 5 == SCM_LENGTH (pv), pv, SCM_ARG1, s_make_soft_port); - SCM_ASSERT (SCM_NIMP (modes) && SCM_STRINGP (modes), modes, SCM_ARG2, s_make_soft_port); - SCM_NEWCELL (z); - SCM_DEFER_INTS; - pt = scm_add_to_port_table (z); - SCM_SETCAR (z, scm_tc16_sfport | scm_mode_bits (SCM_CHARS (modes))); - SCM_SETPTAB_ENTRY (z, pt); - SCM_SETSTREAM (z, pv); - SCM_ALLOW_INTS; - return z; -} - - -static int noop0 SCM_P ((SCM stream)); - -static int -noop0 (stream) - SCM stream; -{ - return 0; -} - - -scm_ptobfuns scm_sfptob = -{ - scm_markstream, - noop0, - prinsfpt, - 0, - sfputc, - sfputs, - sfwrite, - sfflush, - sfgetc, - sfclose -}; - - - -void -scm_init_vports () -{ -#include "vports.x" -} - |