diff options
Diffstat (limited to 'ncurses-5.9/ncurses/tinfo/comp_hash.c')
| -rw-r--r-- | ncurses-5.9/ncurses/tinfo/comp_hash.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/ncurses-5.9/ncurses/tinfo/comp_hash.c b/ncurses-5.9/ncurses/tinfo/comp_hash.c new file mode 100644 index 0000000..fd09e93 --- /dev/null +++ b/ncurses-5.9/ncurses/tinfo/comp_hash.c @@ -0,0 +1,114 @@ +/**************************************************************************** + * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc. * + * * + * Permission is hereby granted, free of charge, to any person obtaining a * + * copy of this software and associated documentation files (the * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * + * and: Eric S. Raymond <esr@snark.thyrsus.com> * + * and: Thomas E. Dickey 1996-on * + ****************************************************************************/ + +/* + * comp_hash.c --- Routines to deal with the hashtable of capability + * names. + * + */ + +#define USE_TERMLIB 1 +#include <curses.priv.h> + +#include <tic.h> +#include <hashsize.h> + +MODULE_ID("$Id$") + +/* + * Finds the entry for the given string in the hash table if present. + * Returns a pointer to the entry in the table or 0 if not found. + */ +/* entrypoint used by tack (do not alter) */ +NCURSES_EXPORT(struct name_table_entry const *) +_nc_find_entry(const char *string, + const HashValue * hash_table) +{ + bool termcap = (hash_table != _nc_get_hash_table(FALSE)); + const HashData *data = _nc_get_hash_info(termcap); + int hashvalue; + struct name_table_entry const *ptr = 0; + struct name_table_entry const *real_table; + + hashvalue = data->hash_of(string); + + if (data->table_data[hashvalue] >= 0) { + + real_table = _nc_get_table(termcap); + ptr = real_table + data->table_data[hashvalue]; + while (!data->compare_names(ptr->nte_name, string)) { + if (ptr->nte_link < 0) { + ptr = 0; + break; + } + ptr = real_table + (ptr->nte_link + + data->table_data[data->table_size]); + } + } + + return (ptr); +} + +/* + * Finds the entry for the given name with the given type in the given table if + * present (as distinct from _nc_find_entry, which finds the last entry + * regardless of type). + * + * Returns a pointer to the entry in the table or 0 if not found. + */ +NCURSES_EXPORT(struct name_table_entry const *) +_nc_find_type_entry(const char *string, + int type, + bool termcap) +{ + struct name_table_entry const *ptr = NULL; + const HashData *data = _nc_get_hash_info(termcap); + int hashvalue = data->hash_of(string); + + if (data->table_data[hashvalue] >= 0) { + const struct name_table_entry *const table = _nc_get_table(termcap); + + ptr = table + data->table_data[hashvalue]; + while (ptr->nte_type != type + || !data->compare_names(ptr->nte_name, string)) { + if (ptr->nte_link < 0) { + ptr = 0; + break; + } + ptr = table + (ptr->nte_link + data->table_data[data->table_size]); + } + } + + return ptr; +} |