diff options
Diffstat (limited to 'libguile/hooks.c')
-rw-r--r-- | libguile/hooks.c | 84 |
1 files changed, 2 insertions, 82 deletions
diff --git a/libguile/hooks.c b/libguile/hooks.c index 2a953a9b7..fce2ff387 100644 --- a/libguile/hooks.c +++ b/libguile/hooks.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1995,1996,1998,1999,2000,2001, 2003, 2006, 2008, 2009, 2011 Free Software Foundation, Inc. +/* Copyright (C) 1995-1996,1998-2001,2003,2006,2008-2009,2011,2018 + * 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 @@ -35,87 +36,6 @@ #include "libguile/hooks.h" -/* C level hooks - * - * Currently, this implementation is separate from the Scheme level - * hooks. The possibility exists to implement the Scheme level hooks - * using C level hooks. - */ - -/* Hint for `scm_gc_malloc ()' and friends. */ -static const char hook_entry_gc_hint[] = "hook entry"; - -void -scm_c_hook_init (scm_t_c_hook *hook, void *hook_data, scm_t_c_hook_type type) -{ - hook->first = 0; - hook->type = type; - hook->data = hook_data; -} - -void -scm_c_hook_add (scm_t_c_hook *hook, - scm_t_c_hook_function func, - void *fn_data, - int appendp) -{ - scm_t_c_hook_entry *entry; - scm_t_c_hook_entry **loc = &hook->first; - - entry = scm_gc_malloc (sizeof (scm_t_c_hook_entry), hook_entry_gc_hint); - if (appendp) - while (*loc) - loc = &(*loc)->next; - entry->next = *loc; - entry->func = func; - entry->data = fn_data; - *loc = entry; -} - -void -scm_c_hook_remove (scm_t_c_hook *hook, - scm_t_c_hook_function func, - void *fn_data) -{ - scm_t_c_hook_entry **loc = &hook->first; - while (*loc) - { - if ((*loc)->func == func && (*loc)->data == fn_data) - { - *loc = (*loc)->next; - return; - } - loc = &(*loc)->next; - } - fprintf (stderr, "Attempt to remove non-existent hook function\n"); - abort (); -} - -void * -scm_c_hook_run (scm_t_c_hook *hook, void *data) -{ - scm_t_c_hook_entry *entry = hook->first; - scm_t_c_hook_type type = hook->type; - void *res = 0; - while (entry) - { - res = (entry->func) (hook->data, entry->data, data); - if (res) - { - if (type == SCM_C_HOOK_OR) - break; - } - else - { - if (type == SCM_C_HOOK_AND) - break; - } - entry = entry->next; - } - return res; -} - - /* Scheme level hooks * * A hook is basically a list of procedures to be called at well defined |