xref: /openbsd/usr.bin/tmux/cmd-set-buffer.c (revision cca36db2)
1 /* $OpenBSD: cmd-set-buffer.c,v 1.10 2011/10/23 00:49:25 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 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 	"b:", 1, 1,
34 	CMD_BUFFER_USAGE " data",
35 	0,
36 	NULL,
37 	NULL,
38 	cmd_set_buffer_exec
39 };
40 
41 int
42 cmd_set_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
43 {
44 	struct args	*args = self->args;
45 	u_int		 limit;
46 	char		*pdata, *cause;
47 	size_t		 psize;
48 	int		 buffer;
49 
50 	limit = options_get_number(&global_options, "buffer-limit");
51 
52 	pdata = xstrdup(args->argv[0]);
53 	psize = strlen(pdata);
54 
55 	if (!args_has(args, 'b')) {
56 		paste_add(&global_buffers, pdata, psize, limit);
57 		return (0);
58 	}
59 
60 	buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause);
61 	if (cause != NULL) {
62 		ctx->error(ctx, "buffer %s", cause);
63 		xfree(cause);
64 		xfree(pdata);
65 		return (-1);
66 	}
67 
68 	if (paste_replace(&global_buffers, buffer, pdata, psize) != 0) {
69 		ctx->error(ctx, "no buffer %d", buffer);
70 		xfree(pdata);
71 		return (-1);
72 	}
73 
74 	return (0);
75 }
76