xref: /openbsd-src/usr.bin/tmux/cmd-set-buffer.c (revision 43003dfe3ad45d1698bed8a37f2b0f5b14f20d4f)
1 /* $OpenBSD: cmd-set-buffer.c,v 1.4 2009/09/07 18:50:45 nicm Exp $ */
2 
3 /*
4  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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 <string.h>
22 
23 #include "tmux.h"
24 
25 /*
26  * Add or set a session paste buffer.
27  */
28 
29 int	cmd_set_buffer_exec(struct cmd *, struct cmd_ctx *);
30 
31 const struct cmd_entry cmd_set_buffer_entry = {
32 	"set-buffer", "setb",
33 	CMD_BUFFER_SESSION_USAGE " data",
34 	CMD_ARG1, 0,
35 	cmd_buffer_init,
36 	cmd_buffer_parse,
37 	cmd_set_buffer_exec,
38 	cmd_buffer_free,
39 	cmd_buffer_print
40 };
41 
42 int
43 cmd_set_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
44 {
45 	struct cmd_buffer_data	*data = self->data;
46 	struct session		*s;
47 	u_int			 limit;
48 	u_char			*pdata;
49 	size_t			 psize;
50 
51 	if ((s = cmd_find_session(ctx, data->target)) == NULL)
52 		return (-1);
53 	limit = options_get_number(&s->options, "buffer-limit");
54 
55 	pdata = xstrdup(data->arg);
56 	psize = strlen(pdata);
57 
58 	if (data->buffer == -1) {
59 		paste_add(&s->buffers, pdata, psize, limit);
60 		return (0);
61 	}
62 	if (paste_replace(&s->buffers, data->buffer, pdata, psize) != 0) {
63 		ctx->error(ctx, "no buffer %d", data->buffer);
64 		xfree(pdata);
65 		return (-1);
66 	}
67 	return (0);
68 }
69