xref: /openbsd-src/usr.bin/tmux/cmd-source-file.c (revision 3447b427c1ffcf379e7fc14b9e25cce4fa75a963)
1 /* $OpenBSD: cmd-source-file.c,v 1.22 2015/12/13 14:32:38 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 
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(cmdq->client);
49 	cmdq1->emptyfn = cmd_source_file_done;
50 	cmdq1->data = cmdq;
51 
52 	switch (load_cfg(args->argv[0], cmdq1, &cause)) {
53 	case -1:
54 		if (cfg_references == 0) {
55 			cmdq_free(cmdq1);
56 			cmdq_error(cmdq, "%s", cause);
57 			free(cause);
58 			return (CMD_RETURN_ERROR);
59 		}
60 		cfg_add_cause("%s", cause);
61 		free(cause);
62 		/* FALLTHROUGH */
63 	case 0:
64 		if (cfg_references == 0)
65 			cfg_print_causes(cmdq);
66 		cmdq_free(cmdq1);
67 		return (CMD_RETURN_NORMAL);
68 	}
69 
70 	cmdq->references++;
71 	cfg_references++;
72 
73 	cmdq_continue(cmdq1);
74 	return (CMD_RETURN_WAIT);
75 }
76 
77 void
78 cmd_source_file_done(struct cmd_q *cmdq1)
79 {
80 	struct cmd_q	*cmdq = cmdq1->data;
81 
82 	if (cmdq1->client_exit >= 0)
83 		cmdq->client_exit = cmdq1->client_exit;
84 
85 	cmdq_free(cmdq1);
86 
87 	cfg_references--;
88 
89 	if (cmdq_free(cmdq))
90 		return;
91 
92 	if (cfg_references == 0)
93 		cfg_print_causes(cmdq);
94 	cmdq_continue(cmdq);
95 }
96