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Diffstat (limited to 'libguile/feature.c')
-rw-r--r-- | libguile/feature.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/libguile/feature.c b/libguile/feature.c new file mode 100644 index 000000000..b4622b7e9 --- /dev/null +++ b/libguile/feature.c @@ -0,0 +1,135 @@ +/* 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" + + + +SCM *scm_loc_features; + +#ifdef __STDC__ +void +scm_add_feature(char* str) +#else +void +scm_add_feature(str) + char* str; +#endif +{ + *scm_loc_features = scm_cons(SCM_CAR(scm_intern(str, strlen(str))), *scm_loc_features); +} + + + +/* {Help finding slib} + */ + + +SCM_PROC(s_compiled_library_path, "compiled-library-path", 0, 0, 0, scm_compiled_library_path); +#ifdef __STDC__ +SCM +scm_compiled_library_path (void) +#else +SCM +scm_compiled_library_path () +#endif +{ +#ifndef LIBRARY_PATH + return SCM_BOOL_F; +#else + return scm_makfrom0str (LIBRARY_PATH); +#endif +} + + + + +SCM_PROC(s_program_arguments, "program-arguments", 0, 0, 0, scm_program_arguments); +#ifdef __STDC__ +SCM +scm_program_arguments (void) +#else +SCM +scm_program_arguments () +#endif +{ + return scm_progargs; +} + + + + + + +#ifdef __STDC__ +void +scm_init_feature(void) +#else +void +scm_init_feature() +#endif +{ + scm_loc_features = &SCM_CDR(scm_sysintern("*features*", SCM_EOL)); +#ifdef RECKLESS + scm_add_feature("reckless"); +#endif +#ifndef _Windows + scm_add_feature("system"); +#endif +#ifdef vms + scm_add_feature(s_ed); +#endif +#ifdef SICP + scm_add_feature("sicp"); +#endif +#ifndef GO32 + scm_add_feature("char-ready?"); +#endif +#ifndef CHEAP_CONTINUATIONS + scm_add_feature ("full-continuation"); +#endif + + + scm_sysintern ("char-code-limit", SCM_MAKINUM (SCM_CHAR_SCM_CODE_LIMIT)); +#include "feature.x" +} |