cmd-source-file.c revision 1.20 
1/* $OpenBSD: cmd-source-file.c,v 1.20 2014/10/20 22:29:25 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	cmd_source_file_exec
40};
41
42enum cmd_retval
43cmd_source_file_exec(struct cmd *self, struct cmd_q *cmdq)
44{
45	struct args	*args = self->args;
46	struct cmd_q	*cmdq1;
47	char		*cause;
48
49	cmdq1 = cmdq_new(NULL);
50	cmdq1->client = cmdq->client;
51	cmdq1->emptyfn = cmd_source_file_done;
52	cmdq1->data = cmdq;
53
54	switch (load_cfg(args->argv[0], cmdq1, &cause)) {
55	case -1:
56		if (cfg_references == 0) {
57			cmdq_free(cmdq1);
58			cmdq_error(cmdq, "%s", cause);
59			free(cause);
60			return (CMD_RETURN_ERROR);
61		}
62		ARRAY_ADD(&cfg_causes, cause);
63		/* FALLTHROUGH */
64	case 0:
65		if (cfg_references == 0)
66			cmd_source_file_show(cmdq);
67		cmdq_free(cmdq1);
68		return (CMD_RETURN_NORMAL);
69	}
70
71	cmdq->references++;
72	cfg_references++;
73
74	cmdq_continue(cmdq1);
75	return (CMD_RETURN_WAIT);
76}
77
78void
79cmd_source_file_show(struct cmd_q *cmdq)
80{
81	u_int	 i;
82	char	*cause;
83
84	for (i = 0; i < ARRAY_LENGTH(&cfg_causes); i++) {
85		cause = ARRAY_ITEM(&cfg_causes, i);
86		cmdq_print(cmdq, "%s", cause);
87		free(cause);
88	}
89	ARRAY_FREE(&cfg_causes);
90}
91
92void
93cmd_source_file_done(struct cmd_q *cmdq1)
94{
95	struct cmd_q	*cmdq = cmdq1->data;
96
97	if (cmdq1->client_exit >= 0)
98		cmdq->client_exit = cmdq1->client_exit;
99
100	cmdq_free(cmdq1);
101
102	cfg_references--;
103
104	if (cmdq_free(cmdq))
105		return;
106
107	if (cfg_references == 0)
108		cmd_source_file_show(cmdq);
109	cmdq_continue(cmdq);
110}
111