xref: /openbsd-src/usr.bin/tmux/cmd-paste-buffer.c (revision 92e1fe33b4acbba8302d657e18e95c726b0dbfc6)
1 /* $OpenBSD: cmd-paste-buffer.c,v 1.2 2009/07/02 16:15:43 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  * Paste paste buffer if present.
27  */
28 
29 int	cmd_paste_buffer_exec(struct cmd *, struct cmd_ctx *);
30 
31 const struct cmd_entry cmd_paste_buffer_entry = {
32 	"paste-buffer", "pasteb",
33 	"[-d] " CMD_BUFFER_WINDOW_USAGE,
34 	CMD_DFLAG,
35 	cmd_buffer_init,
36 	cmd_buffer_parse,
37 	cmd_paste_buffer_exec,
38 	cmd_buffer_send,
39 	cmd_buffer_recv,
40 	cmd_buffer_free,
41 	cmd_buffer_print
42 };
43 
44 int
45 cmd_paste_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
46 {
47 	struct cmd_buffer_data	*data = self->data;
48 	struct winlink		*wl;
49 	struct window		*w;
50 	struct session		*s;
51 	struct paste_buffer	*pb;
52 
53 	if ((wl = cmd_find_window(ctx, data->target, &s)) == NULL)
54 		return (-1);
55 	w = wl->window;
56 
57 	if (data->buffer == -1)
58 		pb = paste_get_top(&s->buffers);
59 	else {
60 		if ((pb = paste_get_index(&s->buffers, data->buffer)) == NULL) {
61 			ctx->error(ctx, "no buffer %d", data->buffer);
62 			return (-1);
63 		}
64 	}
65 
66 	if (pb != NULL && *pb->data != '\0')
67 		buffer_write(w->active->out, pb->data, strlen(pb->data));
68 
69 	/* Delete the buffer if -d. */
70 	if (data->flags & CMD_DFLAG) {
71 		if (data->buffer == -1)
72 			paste_free_top(&s->buffers);
73 		else
74 			paste_free_index(&s->buffers, data->buffer);
75 	}
76 
77  	return (0);
78 }
79