cmd-source-file.c revision 1.7 
1/* $OpenBSD: cmd-source-file.c,v 1.7 2009/11/26 21:37:13 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 "tmux.h"
22
23/*
24 * Sources a configuration file.
25 */
26
27int	cmd_source_file_parse(struct cmd *, int, char **, char **);
28int	cmd_source_file_exec(struct cmd *, struct cmd_ctx *);
29void	cmd_source_file_free(struct cmd *);
30void	cmd_source_file_init(struct cmd *, int);
31size_t	cmd_source_file_print(struct cmd *, char *, size_t);
32
33struct cmd_source_file_data {
34	char *path;
35};
36
37const struct cmd_entry cmd_source_file_entry = {
38	"source-file", "source",
39	"path",
40	0, "",
41	cmd_source_file_init,
42	cmd_source_file_parse,
43	cmd_source_file_exec,
44	cmd_source_file_free,
45	cmd_source_file_print
46};
47
48/* ARGSUSED */
49void
50cmd_source_file_init(struct cmd *self, unused int arg)
51{
52	struct cmd_source_file_data	*data;
53
54	self->data = data = xmalloc(sizeof *data);
55	data->path = NULL;
56}
57
58int
59cmd_source_file_parse(struct cmd *self, int argc, char **argv, char **cause)
60{
61	struct cmd_source_file_data	*data;
62	int				 opt;
63
64	self->entry->init(self, KEYC_NONE);
65	data = self->data;
66
67	while ((opt = getopt(argc, argv, "")) != -1) {
68		switch (opt) {
69		default:
70			goto usage;
71		}
72	}
73	argc -= optind;
74	argv += optind;
75	if (argc != 1)
76		goto usage;
77
78	data->path = xstrdup(argv[0]);
79	return (0);
80
81usage:
82	xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
83
84	self->entry->free(self);
85	return (-1);
86}
87
88int
89cmd_source_file_exec(struct cmd *self, struct cmd_ctx *ctx)
90{
91	struct cmd_source_file_data	*data = self->data;
92	char				*cause;
93
94	if (load_cfg(data->path, ctx, &cause) != 0) {
95		ctx->error(ctx, "%s", cause);
96		xfree(cause);
97		return (-1);
98	}
99
100	return (0);
101}
102
103void
104cmd_source_file_free(struct cmd *self)
105{
106	struct cmd_source_file_data	*data = self->data;
107
108	if (data->path != NULL)
109		xfree(data->path);
110	xfree(data);
111}
112
113size_t
114cmd_source_file_print(struct cmd *self, char *buf, size_t len)
115{
116	struct cmd_source_file_data	*data = self->data;
117	size_t				off = 0;
118
119	off += xsnprintf(buf, len, "%s", self->entry->name);
120	if (data == NULL)
121		return (off);
122	if (off < len && data->path != NULL)
123		off += cmd_prarg(buf + off, len - off, " ", data->path);
124	return (off);
125}
126