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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/tmux/cmd-split-window.c	Lines:	0	97	0.0 %
Date:	2016-12-06	Branches:	0	50	0.0 %


/* $OpenBSD: cmd-split-window.c,v 1.69 2016/06/06 07:24:31 nicm Exp $ */

/*
 * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>

#include <errno.h>
#include <fcntl.h>
#include <paths.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "tmux.h"

/*
 * Split a window (add a new pane).
 */

#define SPLIT_WINDOW_TEMPLATE "#{session_name}:#{window_index}.#{pane_index}"

enum cmd_retval	 cmd_split_window_exec(struct cmd *, struct cmd_q *);

const struct cmd_entry cmd_split_window_entry = {
	.name = "split-window",
	.alias = "splitw",

	.args = { "bc:dF:l:hp:Pt:v", 0, -1 },
	.usage = "[-bdhvP] [-c start-directory] [-F format] "
		 "[-p percentage|-l size] " CMD_TARGET_PANE_USAGE " [command]",

	.tflag = CMD_PANE,

	.flags = 0,
	.exec = cmd_split_window_exec
};

enum cmd_retval
cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq)
{
	struct args		*args = self->args;
	struct session		*s = cmdq->state.tflag.s;
	struct winlink		*wl = cmdq->state.tflag.wl;
	struct window		*w = wl->window;
	struct window_pane	*wp = cmdq->state.tflag.wp, *new_wp = NULL;
	struct environ		*env;
	const char		*cmd, *path, *shell, *template, *cwd, *to_free;
	char		       **argv, *cause, *new_cause, *cp;
	u_int			 hlimit;
	int			 argc, size, percentage;
	enum layout_type	 type;
	struct layout_cell	*lc;
	struct format_tree	*ft;
	struct environ_entry	*envent;

	server_unzoom_window(w);

	env = environ_create();
	environ_copy(global_environ, env);
	environ_copy(s->environ, env);
	server_fill_environ(s, env);

	if (args->argc == 0) {
		cmd = options_get_string(s->options, "default-command");
		if (cmd != NULL && *cmd != '\0') {
			argc = 1;
			argv = (char **)&cmd;
		} else {
			argc = 0;
			argv = NULL;
		}
	} else {
		argc = args->argc;
		argv = args->argv;
	}

	to_free = NULL;
	if (args_has(args, 'c')) {
		ft = format_create(cmdq, 0);
		format_defaults(ft, cmdq->state.c, s, NULL, NULL);
		to_free = cwd = format_expand(ft, args_get(args, 'c'));
		format_free(ft);
	} else if (cmdq->client != NULL && cmdq->client->session == NULL)
		cwd = cmdq->client->cwd;
	else
		cwd = s->cwd;

	type = LAYOUT_TOPBOTTOM;
	if (args_has(args, 'h'))
		type = LAYOUT_LEFTRIGHT;

	size = -1;
	if (args_has(args, 'l')) {
		size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
		if (cause != NULL) {
			xasprintf(&new_cause, "size %s", cause);
			free(cause);
			cause = new_cause;
			goto error;
		}
	} else if (args_has(args, 'p')) {
		percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
		if (cause != NULL) {
			xasprintf(&new_cause, "percentage %s", cause);
			free(cause);
			cause = new_cause;
			goto error;
		}
		if (type == LAYOUT_TOPBOTTOM)
			size = (wp->sy * percentage) / 100;
		else
			size = (wp->sx * percentage) / 100;
	}
	hlimit = options_get_number(s->options, "history-limit");

	shell = options_get_string(s->options, "default-shell");
	if (*shell == '\0' || areshell(shell))
		shell = _PATH_BSHELL;

	lc = layout_split_pane(wp, type, size, args_has(args, 'b'));
	if (lc == NULL) {
		cause = xstrdup("pane too small");
		goto error;
	}
	new_wp = window_add_pane(w, wp, hlimit);
	layout_assign_pane(lc, new_wp);

	path = NULL;
	if (cmdq->client != NULL && cmdq->client->session == NULL)
		envent = environ_find(cmdq->client->environ, "PATH");
	else
		envent = environ_find(s->environ, "PATH");
	if (envent != NULL)
		path = envent->value;

	if (window_pane_spawn(new_wp, argc, argv, path, shell, cwd, env,
	    s->tio, &cause) != 0)
		goto error;

	server_redraw_window(w);

	if (!args_has(args, 'd')) {
		window_set_active_pane(w, new_wp);
		session_select(s, wl->idx);
		server_redraw_session(s);
	} else
		server_status_session(s);

	environ_free(env);

	if (args_has(args, 'P')) {
		if ((template = args_get(args, 'F')) == NULL)
			template = SPLIT_WINDOW_TEMPLATE;

		ft = format_create(cmdq, 0);
		format_defaults(ft, cmdq->state.c, s, wl, new_wp);

		cp = format_expand(ft, template);
		cmdq_print(cmdq, "%s", cp);
		free(cp);

		format_free(ft);
	}
	notify_window_layout_changed(w);

	if (to_free != NULL)
		free((void *)to_free);
	return (CMD_RETURN_NORMAL);

error:
	environ_free(env);
	if (new_wp != NULL) {
		layout_close_pane(new_wp);
		window_remove_pane(w, new_wp);
	}
	cmdq_error(cmdq, "create pane failed: %s", cause);
	free(cause);

	if (to_free != NULL)
		free((void *)to_free);
	return (CMD_RETURN_ERROR);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: cmd-split-window.c,v 1.69 2016/06/06 07:24:31 nicm Exp $ */
2
3			/*
4			* Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
5			*
6			* Permission to use, copy, modify, and distribute this software for any
7			* purpose with or without fee is hereby granted, provided that the above
8			* copyright notice and this permission notice appear in all copies.
9			*
10			* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11			* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12			* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13			* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14			* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15			* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16			* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17			*/
18
19			#include <sys/types.h>
20
21			#include <errno.h>
22			#include <fcntl.h>
23			#include <paths.h>
24			#include <stdlib.h>
25			#include <string.h>
26			#include <unistd.h>
27
28			#include "tmux.h"
29
30			/*
31			* Split a window (add a new pane).
32			*/
33
34			#define SPLIT_WINDOW_TEMPLATE "#{session_name}:#{window_index}.#{pane_index}"
35
36			enum cmd_retval cmd_split_window_exec(struct cmd , struct cmd_q );
37
38			const struct cmd_entry cmd_split_window_entry = {
39			.name = "split-window",
40			.alias = "splitw",
41
42			.args = { "bc:dF:l:hp:Pt:v", 0, -1 },
43			.usage = "[-bdhvP] [-c start-directory] [-F format] "
44			"[-p percentage\|-l size] " CMD_TARGET_PANE_USAGE " [command]",
45
46			.tflag = CMD_PANE,
47
48			.flags = 0,
49			.exec = cmd_split_window_exec
50			};
51
52			enum cmd_retval
53			cmd_split_window_exec(struct cmd self, struct cmd_q cmdq)
54			{
55			struct args *args = self->args;
56			struct session *s = cmdq->state.tflag.s;
57			struct winlink *wl = cmdq->state.tflag.wl;
58			struct window *w = wl->window;
59			struct window_pane wp = cmdq->state.tflag.wp, new_wp = NULL;
60			struct environ *env;
61			const char cmd, path, shell, template, cwd, to_free;
62			char *argv, cause, new_cause, cp;
63			u_int hlimit;
64			int argc, size, percentage;
65			enum layout_type type;
66			struct layout_cell *lc;
67			struct format_tree *ft;
68			struct environ_entry *envent;
69
70			server_unzoom_window(w);
71
72			env = environ_create();
73			environ_copy(global_environ, env);
74			environ_copy(s->environ, env);
75			server_fill_environ(s, env);
76
77			if (args->argc == 0) {
78			cmd = options_get_string(s->options, "default-command");
79			if (cmd != NULL && *cmd != '\0') {
80			argc = 1;
81			argv = (char **)&cmd;
82			} else {
83			argc = 0;
84			argv = NULL;
85			}
86			} else {
87			argc = args->argc;
88			argv = args->argv;
89			}
90
91			to_free = NULL;
92			if (args_has(args, 'c')) {
93			ft = format_create(cmdq, 0);
94			format_defaults(ft, cmdq->state.c, s, NULL, NULL);
95			to_free = cwd = format_expand(ft, args_get(args, 'c'));
96			format_free(ft);
97			} else if (cmdq->client != NULL && cmdq->client->session == NULL)
98			cwd = cmdq->client->cwd;
99			else
100			cwd = s->cwd;
101
102			type = LAYOUT_TOPBOTTOM;
103			if (args_has(args, 'h'))
104			type = LAYOUT_LEFTRIGHT;
105
106			size = -1;
107			if (args_has(args, 'l')) {
108			size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
109			if (cause != NULL) {
110			xasprintf(&new_cause, "size %s", cause);
111			free(cause);
112			cause = new_cause;
113			goto error;
114			}
115			} else if (args_has(args, 'p')) {
116			percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
117			if (cause != NULL) {
118			xasprintf(&new_cause, "percentage %s", cause);
119			free(cause);
120			cause = new_cause;
121			goto error;
122			}
123			if (type == LAYOUT_TOPBOTTOM)
124			size = (wp->sy * percentage) / 100;
125			else
126			size = (wp->sx * percentage) / 100;
127			}
128			hlimit = options_get_number(s->options, "history-limit");
129
130			shell = options_get_string(s->options, "default-shell");
131			if (*shell == '\0' \|\| areshell(shell))
132			shell = _PATH_BSHELL;
133
134			lc = layout_split_pane(wp, type, size, args_has(args, 'b'));
135			if (lc == NULL) {
136			cause = xstrdup("pane too small");
137			goto error;
138			}
139			new_wp = window_add_pane(w, wp, hlimit);
140			layout_assign_pane(lc, new_wp);
141
142			path = NULL;
143			if (cmdq->client != NULL && cmdq->client->session == NULL)
144			envent = environ_find(cmdq->client->environ, "PATH");
145			else
146			envent = environ_find(s->environ, "PATH");
147			if (envent != NULL)
148			path = envent->value;
149
150			if (window_pane_spawn(new_wp, argc, argv, path, shell, cwd, env,
151			s->tio, &cause) != 0)
152			goto error;
153
154			server_redraw_window(w);
155
156			if (!args_has(args, 'd')) {
157			window_set_active_pane(w, new_wp);
158			session_select(s, wl->idx);
159			server_redraw_session(s);
160			} else
161			server_status_session(s);
162
163			environ_free(env);
164
165			if (args_has(args, 'P')) {
166			if ((template = args_get(args, 'F')) == NULL)
167			template = SPLIT_WINDOW_TEMPLATE;
168
169			ft = format_create(cmdq, 0);
170			format_defaults(ft, cmdq->state.c, s, wl, new_wp);
171
172			cp = format_expand(ft, template);
173			cmdq_print(cmdq, "%s", cp);
174			free(cp);
175
176			format_free(ft);
177			}
178			notify_window_layout_changed(w);
179
180			if (to_free != NULL)
181			free((void *)to_free);
182			return (CMD_RETURN_NORMAL);
183
184			error:
185			environ_free(env);
186			if (new_wp != NULL) {
187			layout_close_pane(new_wp);
188			window_remove_pane(w, new_wp);
189			}
190			cmdq_error(cmdq, "create pane failed: %s", cause);
191			free(cause);
192
193			if (to_free != NULL)
194			free((void *)to_free);
195			return (CMD_RETURN_ERROR);
196			}