xref: /minix/external/bsd/tmux/dist/cmd-source-file.c (revision 0a6a1f1d)
1 /* Id */
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_show(struct cmd_q *);
32 void		cmd_source_file_done(struct cmd_q *);
33 
34 const struct cmd_entry cmd_source_file_entry = {
35 	"source-file", "source",
36 	"", 1, 1,
37 	"path",
38 	0,
39 	NULL,
40 	cmd_source_file_exec
41 };
42 
43 enum cmd_retval
cmd_source_file_exec(struct cmd * self,struct cmd_q * cmdq)44 cmd_source_file_exec(struct cmd *self, struct cmd_q *cmdq)
45 {
46 	struct args	*args = self->args;
47 	struct cmd_q	*cmdq1;
48 	char		*cause;
49 
50 	cmdq1 = cmdq_new(NULL);
51 	cmdq1->client = 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 		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 
79 void
cmd_source_file_show(struct cmd_q * cmdq)80 cmd_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 
93 void
cmd_source_file_done(struct cmd_q * cmdq1)94 cmd_source_file_done(struct cmd_q *cmdq1)
95 {
96 	struct cmd_q	*cmdq = cmdq1->data;
97 
98 	if (cmdq1->client_exit >= 0)
99 		cmdq->client_exit = cmdq1->client_exit;
100 
101 	cmdq_free(cmdq1);
102 
103 	cfg_references--;
104 
105 	if (cmdq_free(cmdq))
106 		return;
107 
108 	if (cfg_references == 0)
109 		cmd_source_file_show(cmdq);
110 	cmdq_continue(cmdq);
111 }
112