xref: /netbsd-src/external/bsd/tmux/dist/cmd-source-file.c (revision e89934bbf778a6d6d6894877c4da59d0c7835b0f)
1 /* $OpenBSD$ */
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 
29 enum cmd_retval	cmd_source_file_exec(struct cmd *, struct cmd_q *);
30 
31 void		cmd_source_file_done(struct cmd_q *);
32 
33 const 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 
44 enum cmd_retval
45 cmd_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->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 		cfg_add_cause("%s", cause);
64 		free(cause);
65 		/* FALLTHROUGH */
66 	case 0:
67 		if (cfg_references == 0)
68 			cfg_print_causes(cmdq);
69 		cmdq_free(cmdq1);
70 		return (CMD_RETURN_NORMAL);
71 	}
72 
73 	cmdq->references++;
74 	cfg_references++;
75 
76 	cmdq_continue(cmdq1);
77 	return (CMD_RETURN_WAIT);
78 }
79 
80 void
81 cmd_source_file_done(struct cmd_q *cmdq1)
82 {
83 	struct cmd_q	*cmdq = cmdq1->data;
84 
85 	if (cmdq1->client_exit >= 0)
86 		cmdq->client_exit = cmdq1->client_exit;
87 
88 	cmdq_free(cmdq1);
89 
90 	cfg_references--;
91 
92 	if (cmdq_free(cmdq))
93 		return;
94 
95 	if (cfg_references == 0)
96 		cfg_print_causes(cmdq);
97 	cmdq_continue(cmdq);
98 }
99