GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/tmux/cmd-set-hook.c Lines: 0 44 0.0 %
Date: 2017-11-13 Branches: 0 24 0.0 %

Line Branch Exec Source
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/* $OpenBSD: cmd-set-hook.c,v 1.11 2017/04/22 10:22:39 nicm Exp $ */
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/*
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 * Copyright (c) 2012 Thomas Adam <thomas@xteddy.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 <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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/*
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 * Set or show global or session hooks.
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 */
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static enum cmd_retval cmd_set_hook_exec(struct cmd *, struct cmdq_item *);
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const struct cmd_entry cmd_set_hook_entry = {
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	.name = "set-hook",
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	.alias = NULL,
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	.args = { "gt:u", 1, 2 },
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	.usage = "[-gu] " CMD_TARGET_SESSION_USAGE " hook-name [command]",
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	.target = { 't', CMD_FIND_SESSION, CMD_FIND_CANFAIL },
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	.flags = CMD_AFTERHOOK,
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	.exec = cmd_set_hook_exec
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};
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const struct cmd_entry cmd_show_hooks_entry = {
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	.name = "show-hooks",
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	.alias = NULL,
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	.args = { "gt:", 0, 1 },
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	.usage = "[-g] " CMD_TARGET_SESSION_USAGE,
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	.target = { 't', CMD_FIND_SESSION, 0 },
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	.flags = CMD_AFTERHOOK,
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	.exec = cmd_set_hook_exec
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};
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static enum cmd_retval
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cmd_set_hook_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_list	*cmdlist;
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	struct hooks	*hooks;
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	struct hook	*hook;
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	char		*cause, *tmp;
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	const char	*name, *cmd, *target;
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	if (args_has(args, 'g'))
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		hooks = global_hooks;
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	else {
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		if (item->target.s == NULL) {
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			target = args_get(args, 't');
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			if (target != NULL)
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				cmdq_error(item, "no such session: %s", target);
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			else
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				cmdq_error(item, "no current session");
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			return (CMD_RETURN_ERROR);
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		}
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		hooks = item->target.s->hooks;
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	}
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	if (self->entry == &cmd_show_hooks_entry) {
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		hook = hooks_first(hooks);
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		while (hook != NULL) {
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			tmp = cmd_list_print(hook->cmdlist);
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			cmdq_print(item, "%s -> %s", hook->name, tmp);
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			free(tmp);
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			hook = hooks_next(hook);
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		}
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		return (CMD_RETURN_NORMAL);
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	}
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	name = args->argv[0];
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	if (*name == '\0') {
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		cmdq_error(item, "invalid hook name");
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		return (CMD_RETURN_ERROR);
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	}
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	if (args->argc < 2)
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		cmd = NULL;
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	else
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		cmd = args->argv[1];
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	if (args_has(args, 'u')) {
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		if (cmd != NULL) {
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			cmdq_error(item, "command passed to unset hook: %s",
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			    name);
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			return (CMD_RETURN_ERROR);
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		}
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		hooks_remove(hooks, name);
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		return (CMD_RETURN_NORMAL);
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	}
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	if (cmd == NULL) {
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		cmdq_error(item, "no command to set hook: %s", name);
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		return (CMD_RETURN_ERROR);
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	}
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	cmdlist = cmd_string_parse(cmd, NULL, 0, &cause);
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	if (cmdlist == NULL) {
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		if (cause != NULL) {
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			cmdq_error(item, "%s", cause);
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			free(cause);
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		}
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		return (CMD_RETURN_ERROR);
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	}
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	hooks_add(hooks, name, cmdlist);
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	cmd_list_free(cmdlist);
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	return (CMD_RETURN_NORMAL);
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}