cmd-source-file.c revision 1.24 
1/* $OpenBSD: cmd-source-file.c,v 1.24 2016/04/29 14:05:24 nicm Exp $ */
2
3/*
4 * Copyright (c) 2008 Tiago Cunha <me@tiagocunha.org>
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 <stdlib.h>
22
23#include "tmux.h"
24
25/*
26 * Sources a configuration file.
27 */
28
29enum cmd_retval	cmd_source_file_exec(struct cmd *, struct cmd_q *);
30
31void		cmd_source_file_done(struct cmd_q *);
32
33const struct cmd_entry cmd_source_file_entry = {
34	.name = "source-file",
35	.alias = "source",
36
37	.args = { "", 1, 1 },
38	.usage = "path",
39
40	.flags = 0,
41	.exec = cmd_source_file_exec
42};
43
44enum cmd_retval
45cmd_source_file_exec(struct cmd *self, struct cmd_q *cmdq)
46{
47	struct args	*args = self->args;
48	struct cmd_q	*cmdq1;
49	char		*cause;
50
51	cmdq1 = cmdq_new(cmdq->client);
52	cmdq1->flags |= cmdq->flags & CMD_Q_NOHOOKS;
53	cmdq1->emptyfn = cmd_source_file_done;
54	cmdq1->data = cmdq;
55
56	switch (load_cfg(args->argv[0], cmdq1, &cause)) {
57	case -1:
58		if (cfg_references == 0) {
59			cmdq_free(cmdq1);
60			cmdq_error(cmdq, "%s", cause);
61			free(cause);
62			return (CMD_RETURN_ERROR);
63		}
64		cfg_add_cause("%s", cause);
65		free(cause);
66		/* FALLTHROUGH */
67	case 0:
68		if (cfg_references == 0)
69			cfg_print_causes(cmdq);
70		cmdq_free(cmdq1);
71		return (CMD_RETURN_NORMAL);
72	}
73
74	cmdq->references++;
75	cfg_references++;
76
77	cmdq_continue(cmdq1);
78	return (CMD_RETURN_WAIT);
79}
80
81void
82cmd_source_file_done(struct cmd_q *cmdq1)
83{
84	struct cmd_q	*cmdq = cmdq1->data;
85
86	if (cmdq1->client_exit >= 0)
87		cmdq->client_exit = cmdq1->client_exit;
88
89	cmdq_free(cmdq1);
90
91	cfg_references--;
92
93	if (cmdq_free(cmdq))
94		return;
95
96	if (cfg_references == 0)
97		cfg_print_causes(cmdq);
98	cmdq_continue(cmdq);
99}
100