GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/tmux/cmd-show-options.c Lines: 0 75 0.0 %
Date: 2017-11-07 Branches: 0 38 0.0 %

Line Branch Exec Source
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/* $OpenBSD: cmd-show-options.c,v 1.42 2017/05/10 13:05:41 nicm Exp $ */
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/*
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 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
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 *
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 * Permission to use, copy, modify, and distribute this software for any
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 * purpose with or without fee is hereby granted, provided that the above
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 * copyright notice and this permission notice appear in all copies.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 */
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#include <sys/types.h>
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#include <stdlib.h>
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#include <string.h>
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#include <vis.h>
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#include "tmux.h"
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/*
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 * Show options.
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 */
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static enum cmd_retval	cmd_show_options_exec(struct cmd *, struct cmdq_item *);
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static enum cmd_retval	cmd_show_options_one(struct cmd *, struct cmdq_item *,
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			    struct options *);
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static enum cmd_retval	cmd_show_options_all(struct cmd *, struct cmdq_item *,
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		    	    struct options *);
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const struct cmd_entry cmd_show_options_entry = {
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	.name = "show-options",
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	.alias = "show",
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	.args = { "gqst:vw", 0, 1 },
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	.usage = "[-gqsvw] [-t target-session|target-window] [option]",
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	.target = { 't', CMD_FIND_WINDOW, CMD_FIND_CANFAIL },
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	.flags = CMD_AFTERHOOK,
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	.exec = cmd_show_options_exec
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};
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const struct cmd_entry cmd_show_window_options_entry = {
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	.name = "show-window-options",
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	.alias = "showw",
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	.args = { "gvt:", 0, 1 },
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	.usage = "[-gv] " CMD_TARGET_WINDOW_USAGE " [option]",
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	.target = { 't', CMD_FIND_WINDOW, CMD_FIND_CANFAIL },
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	.flags = CMD_AFTERHOOK,
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	.exec = cmd_show_options_exec
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};
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static enum cmd_retval
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cmd_show_options_exec(struct cmd *self, struct cmdq_item *item)
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{
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	struct args			*args = self->args;
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	struct cmd_find_state		*fs = &item->target;
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	struct options			*oo;
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	enum options_table_scope	 scope;
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	char				*cause;
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	int				 window;
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	window = (self->entry == &cmd_show_window_options_entry);
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	scope = options_scope_from_flags(args, window, fs, &oo, &cause);
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	if (scope == OPTIONS_TABLE_NONE) {
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		cmdq_error(item, "%s", cause);
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		free(cause);
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		return (CMD_RETURN_ERROR);
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	}
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	if (args->argc == 0)
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		return (cmd_show_options_all(self, item, oo));
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	else
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		return (cmd_show_options_one(self, item, oo));
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}
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static void
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cmd_show_options_print(struct cmd *self, struct cmdq_item *item,
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    struct options_entry *o, int idx)
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{
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	const char	*name;
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	const char	*value;
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	char		*tmp, *escaped;
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	u_int		 size, i;
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	if (idx != -1) {
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		xasprintf(&tmp, "%s[%d]", options_name(o), idx);
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		name = tmp;
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	} else {
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		if (options_array_size(o, &size) != -1) {
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			for (i = 0; i < size; i++) {
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				if (options_array_get(o, i) == NULL)
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					continue;
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				cmd_show_options_print(self, item, o, i);
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			}
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			return;
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		}
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		tmp = NULL;
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		name = options_name(o);
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	}
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	value = options_tostring(o, idx, 0);
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	if (args_has(self->args, 'v'))
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		cmdq_print(item, "%s", value);
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	else if (options_isstring(o)) {
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		utf8_stravis(&escaped, value, VIS_OCTAL|VIS_TAB|VIS_NL|VIS_DQ);
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		cmdq_print(item, "%s \"%s\"", name, escaped);
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		free(escaped);
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	} else
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		cmdq_print(item, "%s %s", name, value);
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	free(tmp);
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}
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static enum cmd_retval
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cmd_show_options_one(struct cmd *self, struct cmdq_item *item,
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    struct options *oo)
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{
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	struct args		*args = self->args;
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	struct client		*c = cmd_find_client(item, NULL, 1);
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	struct session		*s = item->target.s;
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	struct winlink		*wl = item->target.wl;
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	struct options_entry	*o;
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	int			 idx, ambiguous;
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	char			*name;
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	name = format_single(item, args->argv[0], c, s, wl, NULL);
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	o = options_match_get(oo, name, &idx, 1, &ambiguous);
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	if (o == NULL) {
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		if (args_has(args, 'q')) {
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			free(name);
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			return (CMD_RETURN_NORMAL);
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		}
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		if (ambiguous) {
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			cmdq_error(item, "ambiguous option: %s", name);
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			free(name);
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			return (CMD_RETURN_ERROR);
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		}
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		if (*name != '@' &&
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		    options_match_get(oo, name, &idx, 0, &ambiguous) != NULL) {
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			free(name);
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			return (CMD_RETURN_NORMAL);
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		}
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		cmdq_error(item, "unknown option: %s", name);
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		free(name);
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		return (CMD_RETURN_ERROR);
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	}
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	cmd_show_options_print(self, item, o, idx);
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	free(name);
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	return (CMD_RETURN_NORMAL);
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}
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static enum cmd_retval
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cmd_show_options_all(struct cmd *self, struct cmdq_item *item,
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    struct options *oo)
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{
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	struct options_entry			 *o;
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	const struct options_table_entry	*oe;
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	u_int					 size, idx;
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	o = options_first(oo);
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	while (o != NULL) {
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		oe = options_table_entry(o);
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		if (oe != NULL && oe->style != NULL) {
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			o = options_next(o);
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			continue;
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		}
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		if (options_array_size(o, &size) == -1)
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			cmd_show_options_print(self, item, o, -1);
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		else {
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			for (idx = 0; idx < size; idx++) {
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				if (options_array_get(o, idx) == NULL)
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					continue;
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				cmd_show_options_print(self, item, o, idx);
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			}
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		}
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		o = options_next(o);
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	}
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	return (CMD_RETURN_NORMAL);
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}