xref: /openbsd/usr.bin/tmux/cmd-set-buffer.c (revision 898184e3)
1 /* $OpenBSD: cmd-set-buffer.c,v 1.13 2013/03/24 09:54:10 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 <stdlib.h>
22 #include <string.h>
23 
24 #include "tmux.h"
25 
26 /*
27  * Add or set a paste buffer.
28  */
29 
30 enum cmd_retval	 cmd_set_buffer_exec(struct cmd *, struct cmd_q *);
31 
32 const struct cmd_entry cmd_set_buffer_entry = {
33 	"set-buffer", "setb",
34 	"b:", 1, 1,
35 	CMD_BUFFER_USAGE " data",
36 	0,
37 	NULL,
38 	NULL,
39 	cmd_set_buffer_exec
40 };
41 
42 enum cmd_retval
43 cmd_set_buffer_exec(struct cmd *self, struct cmd_q *cmdq)
44 {
45 	struct args	*args = self->args;
46 	u_int		 limit;
47 	char		*pdata, *cause;
48 	size_t		 psize;
49 	int		 buffer;
50 
51 	limit = options_get_number(&global_options, "buffer-limit");
52 
53 	pdata = xstrdup(args->argv[0]);
54 	psize = strlen(pdata);
55 
56 	if (!args_has(args, 'b')) {
57 		paste_add(&global_buffers, pdata, psize, limit);
58 		return (CMD_RETURN_NORMAL);
59 	}
60 
61 	buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause);
62 	if (cause != NULL) {
63 		cmdq_error(cmdq, "buffer %s", cause);
64 		free(cause);
65 		free(pdata);
66 		return (CMD_RETURN_ERROR);
67 	}
68 
69 	if (paste_replace(&global_buffers, buffer, pdata, psize) != 0) {
70 		cmdq_error(cmdq, "no buffer %d", buffer);
71 		free(pdata);
72 		return (CMD_RETURN_ERROR);
73 	}
74 
75 	return (CMD_RETURN_NORMAL);
76 }
77