diff options
Diffstat (limited to 'contrib/ncurses/ncurses/tinfo/db_iterator.c')
| -rw-r--r-- | contrib/ncurses/ncurses/tinfo/db_iterator.c | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/contrib/ncurses/ncurses/tinfo/db_iterator.c b/contrib/ncurses/ncurses/tinfo/db_iterator.c deleted file mode 100644 index fdc2bb09eadc..000000000000 --- a/contrib/ncurses/ncurses/tinfo/db_iterator.c +++ /dev/null @@ -1,225 +0,0 @@ -/**************************************************************************** - * Copyright (c) 2006,2007 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: Thomas E. Dickey * - ****************************************************************************/ - -/* - * Iterators for terminal databases. - */ - -#include <curses.priv.h> - -#include <tic.h> - -MODULE_ID("$Id: db_iterator.c,v 1.6 2007/04/22 00:00:26 tom Exp $") - -#define HaveTicDirectory _nc_globals.have_tic_directory -#define KeepTicDirectory _nc_globals.keep_tic_directory -#define TicDirectory _nc_globals.tic_directory - -/* - * Record the "official" location of the terminfo directory, according to - * the place where we're writing to, or the normal default, if not. - */ -NCURSES_EXPORT(const char *) -_nc_tic_dir(const char *path) -{ - if (!KeepTicDirectory) { - if (path != 0) { - TicDirectory = path; - HaveTicDirectory = TRUE; - } else if (!HaveTicDirectory && use_terminfo_vars()) { - char *envp; - if ((envp = getenv("TERMINFO")) != 0) - return _nc_tic_dir(envp); - } - } - return TicDirectory; -} - -/* - * Special fix to prevent the terminfo directory from being moved after tic - * has chdir'd to it. If we let it be changed, then if $TERMINFO has a - * relative path, we'll lose track of the actual directory. - */ -NCURSES_EXPORT(void) -_nc_keep_tic_dir(const char *path) -{ - _nc_tic_dir(path); - KeepTicDirectory = TRUE; -} - -/* - * Process the list of :-separated directories, looking for the terminal type. - * We don't use strtok because it does not show us empty tokens. - */ -#define ThisDbList _nc_globals.dbi_list -#define ThisDbSize _nc_globals.dbi_size - -/* - * Cleanup. - */ -NCURSES_EXPORT(void) -_nc_last_db(void) -{ - if (ThisDbList != 0) { - FreeAndNull(ThisDbList); - } - ThisDbSize = 0; -} - -/* The TERMINFO_DIRS value, if defined by the configure script, begins with a - * ":", which will be interpreted as TERMINFO. - */ -static const char * -next_list_item(const char *source, int *offset) -{ - if (source != 0) { - FreeIfNeeded(ThisDbList); - ThisDbList = strdup(source); - ThisDbSize = strlen(source); - } - - if (ThisDbList != 0 && ThisDbSize && *offset < ThisDbSize) { - static char system_db[] = TERMINFO; - char *result = ThisDbList + *offset; - char *marker = strchr(result, NCURSES_PATHSEP); - - /* - * Put a null on the marker if a separator was found. Set the offset - * to the next position after the marker so we can call this function - * again, using the data at the offset. - */ - if (marker == 0) { - *offset += strlen(result) + 1; - marker = result + *offset; - } else { - *marker++ = 0; - *offset = marker - ThisDbList; - } - if (*result == 0 && result != (ThisDbList + ThisDbSize)) - result = system_db; - return result; - } - return 0; -} - -#define NEXT_DBD(var, offset) next_list_item((*offset == 0) ? var : 0, offset) - -/* - * This is a simple iterator which allows the caller to step through the - * possible locations for a terminfo directory. ncurses uses this to find - * terminfo files to read. - */ -NCURSES_EXPORT(const char *) -_nc_next_db(DBDIRS * state, int *offset) -{ - const char *result; - char *envp; - - while (*state < dbdLAST) { - DBDIRS next = (DBDIRS) ((int) (*state) + 1); - - result = 0; - - switch (*state) { - case dbdTIC: - if (HaveTicDirectory) - result = _nc_tic_dir(0); - break; -#if USE_DATABASE - case dbdEnvOnce: - if (use_terminfo_vars()) { - if ((envp = getenv("TERMINFO")) != 0) - result = _nc_tic_dir(envp); - } - break; - case dbdHome: - if (use_terminfo_vars()) { - result = _nc_home_terminfo(); - } - break; - case dbdEnvList: - if (use_terminfo_vars()) { - if ((result = NEXT_DBD(getenv("TERMINFO_DIRS"), offset)) != 0) - next = *state; - } - break; - case dbdCfgList: -#ifdef TERMINFO_DIRS - if ((result = NEXT_DBD(TERMINFO_DIRS, offset)) != 0) - next = *state; -#endif - break; - case dbdCfgOnce: -#ifndef TERMINFO_DIRS - result = TERMINFO; -#endif - break; -#endif /* USE_DATABASE */ -#if USE_TERMCAP - case dbdEnvOnce2: - if (use_terminfo_vars()) { - if ((envp = getenv("TERMCAP")) != 0) - result = _nc_tic_dir(envp); - } - break; - case dbdEnvList2: - if (use_terminfo_vars()) { - if ((result = NEXT_DBD(getenv("TERMPATH"), offset)) != 0) - next = *state; - } - break; - case dbdCfgList2: - if ((result = NEXT_DBD(TERMPATH, offset)) != 0) - next = *state; - break; -#endif /* USE_TERMCAP */ - case dbdLAST: - break; - } - if (*state != next) { - *state = next; - *offset = 0; - _nc_last_db(); - } - if (result != 0) { - return result; - } - } - return 0; -} - -NCURSES_EXPORT(void) -_nc_first_db(DBDIRS * state, int *offset) -{ - *state = dbdTIC; - *offset = 0; -} |