GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/tmux/cmd-confirm-before.c Lines: 0 39 0.0 %
Date: 2017-11-13 Branches: 0 20 0.0 %

Line Branch Exec Source
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/* $OpenBSD: cmd-confirm-before.c,v 1.35 2017/05/17 15:20:23 nicm Exp $ */
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/*
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 * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org>
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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 <ctype.h>
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#include <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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/*
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 * Asks for confirmation before executing a command.
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 */
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static enum cmd_retval	cmd_confirm_before_exec(struct cmd *,
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			    struct cmdq_item *);
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static int	cmd_confirm_before_callback(struct client *, void *,
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		    const char *, int);
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static void	cmd_confirm_before_free(void *);
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const struct cmd_entry cmd_confirm_before_entry = {
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	.name = "confirm-before",
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	.alias = "confirm",
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	.args = { "p:t:", 1, 1 },
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	.usage = "[-p prompt] " CMD_TARGET_CLIENT_USAGE " command",
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	.flags = 0,
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	.exec = cmd_confirm_before_exec
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};
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struct cmd_confirm_before_data {
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	char	*cmd;
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};
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static enum cmd_retval
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cmd_confirm_before_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_confirm_before_data	*cdata;
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	struct client			*c;
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	char				*cmd, *copy, *new_prompt, *ptr;
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	const char			*prompt;
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	if ((c = cmd_find_client(item, args_get(args, 't'), 0)) == NULL)
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		return (CMD_RETURN_ERROR);
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	if ((prompt = args_get(args, 'p')) != NULL)
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		xasprintf(&new_prompt, "%s ", prompt);
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	else {
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		ptr = copy = xstrdup(args->argv[0]);
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		cmd = strsep(&ptr, " \t");
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		xasprintf(&new_prompt, "Confirm '%s'? (y/n) ", cmd);
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		free(copy);
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	}
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	cdata = xmalloc(sizeof *cdata);
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	cdata->cmd = xstrdup(args->argv[0]);
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	status_prompt_set(c, new_prompt, NULL,
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	    cmd_confirm_before_callback, cmd_confirm_before_free, cdata,
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	    PROMPT_SINGLE);
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	free(new_prompt);
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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_confirm_before_error(struct cmdq_item *item, void *data)
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{
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	char	*error = data;
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	cmdq_error(item, "%s", error);
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	free(error);
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	return (CMD_RETURN_NORMAL);
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}
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static int
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cmd_confirm_before_callback(struct client *c, void *data, const char *s,
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    __unused int done)
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{
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	struct cmd_confirm_before_data	*cdata = data;
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	struct cmd_list			*cmdlist;
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	struct cmdq_item		*new_item;
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	char				*cause;
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	if (c->flags & CLIENT_DEAD)
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		return (0);
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	if (s == NULL || *s == '\0')
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		return (0);
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	if (tolower((u_char) s[0]) != 'y' || s[1] != '\0')
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		return (0);
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	cmdlist = cmd_string_parse(cdata->cmd, NULL, 0, &cause);
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	if (cmdlist == NULL) {
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		if (cause != NULL) {
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			new_item = cmdq_get_callback(cmd_confirm_before_error,
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			    cause);
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		} else
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			new_item = NULL;
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	} else {
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		new_item = cmdq_get_command(cmdlist, NULL, NULL, 0);
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		cmd_list_free(cmdlist);
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	}
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	if (new_item != NULL)
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		cmdq_append(c, new_item);
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	return (0);
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}
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static void
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cmd_confirm_before_free(void *data)
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{
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	struct cmd_confirm_before_data	*cdata = data;
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	free(cdata->cmd);
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	free(cdata);
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}