xref: /netbsd-src/external/bsd/tmux/dist/cmd-source-file.c (revision 946379e7b37692fc43f68eb0d1c10daa0a7f3b6c)
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 	"source-file", "source",
35 	"", 1, 1,
36 	"path",
37 	0,
38 	cmd_source_file_exec
39 };
40 
41 enum cmd_retval
42 cmd_source_file_exec(struct cmd *self, struct cmd_q *cmdq)
43 {
44 	struct args	*args = self->args;
45 	struct cmd_q	*cmdq1;
46 	char		*cause;
47 
48 	cmdq1 = cmdq_new(NULL);
49 	cmdq1->client = cmdq->client;
50 	cmdq1->emptyfn = cmd_source_file_done;
51 	cmdq1->data = cmdq;
52 
53 	switch (load_cfg(args->argv[0], cmdq1, &cause)) {
54 	case -1:
55 		if (cfg_references == 0) {
56 			cmdq_free(cmdq1);
57 			cmdq_error(cmdq, "%s", cause);
58 			free(cause);
59 			return (CMD_RETURN_ERROR);
60 		}
61 		cfg_add_cause("%s", cause);
62 		free(cause);
63 		/* FALLTHROUGH */
64 	case 0:
65 		if (cfg_references == 0)
66 			cfg_print_causes(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 
78 void
79 cmd_source_file_done(struct cmd_q *cmdq1)
80 {
81 	struct cmd_q	*cmdq = cmdq1->data;
82 
83 	if (cmdq1->client_exit >= 0)
84 		cmdq->client_exit = cmdq1->client_exit;
85 
86 	cmdq_free(cmdq1);
87 
88 	cfg_references--;
89 
90 	if (cmdq_free(cmdq))
91 		return;
92 
93 	if (cfg_references == 0)
94 		cfg_print_causes(cmdq);
95 	cmdq_continue(cmdq);
96 }
97