cmd-source-file.c revision 1.15 
1/* $OpenBSD: cmd-source-file.c,v 1.15 2013/03/24 09:54:10 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_show(struct cmd_q *);
32void		cmd_source_file_done(struct cmd_q *);
33
34const struct cmd_entry cmd_source_file_entry = {
35	"source-file", "source",
36	"", 1, 1,
37	"path",
38	0,
39	NULL,
40	NULL,
41	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(NULL);
52	cmdq1->emptyfn = cmd_source_file_done;
53	cmdq1->data = cmdq;
54
55	switch (load_cfg(args->argv[0], cmdq1, &cause)) {
56	case -1:
57		if (cfg_references == 0) {
58			cmdq_free(cmdq1);
59			cmdq_error(cmdq, "%s", cause);
60			free(cause);
61			return (CMD_RETURN_ERROR);
62		}
63		ARRAY_ADD(&cfg_causes, cause);
64		/* FALLTHROUGH */
65	case 0:
66		if (cfg_references == 0)
67			cmd_source_file_show(cmdq);
68		cmdq_free(cmdq1);
69		return (CMD_RETURN_NORMAL);
70	}
71
72	cmdq->references++;
73	cfg_references++;
74
75	cmdq_continue(cmdq1);
76	return (CMD_RETURN_WAIT);
77}
78
79void
80cmd_source_file_show(struct cmd_q *cmdq)
81{
82	u_int	 i;
83	char	*cause;
84
85	for (i = 0; i < ARRAY_LENGTH(&cfg_causes); i++) {
86		cause = ARRAY_ITEM(&cfg_causes, i);
87		cmdq_print(cmdq, "%s", cause);
88		free(cause);
89	}
90	ARRAY_FREE(&cfg_causes);
91}
92
93void
94cmd_source_file_done(struct cmd_q *cmdq1)
95{
96	struct cmd_q	*cmdq = cmdq1->data;
97
98	cmdq_free(cmdq1);
99
100	cfg_references--;
101	if (cmdq_free(cmdq) || cfg_references != 0)
102		return;
103
104	cmd_source_file_show(cmdq);
105
106	cmdq_continue(cmdq);
107}
108