1/* $OpenBSD$ */
2
3/*
4 * Copyright (c) 2007 Nicholas Marriott <[email protected]>
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, set, append to or delete a paste buffer.
28 */
29
30static enum cmd_retval cmd_set_buffer_exec(struct cmd *, struct cmdq_item *);
31
32const struct cmd_entry cmd_set_buffer_entry = {
33 .name = "set-buffer",
34 .alias = "setb",
35
36 .args = { "ab:n:", 0, 1 },
37 .usage = "[-a] " CMD_BUFFER_USAGE " [-n new-buffer-name] data",
38
39 .flags = CMD_AFTERHOOK,
40 .exec = cmd_set_buffer_exec
41};
42
43const struct cmd_entry cmd_delete_buffer_entry = {
44 .name = "delete-buffer",
45 .alias = "deleteb",
46
47 .args = { "b:", 0, 0 },
48 .usage = CMD_BUFFER_USAGE,
49
50 .flags = CMD_AFTERHOOK,
51 .exec = cmd_set_buffer_exec
52};
53
54static enum cmd_retval
55cmd_set_buffer_exec(struct cmd *self, struct cmdq_item *item)
56{
57 struct args *args = self->args;
58 struct paste_buffer *pb;
59 char *bufdata, *cause;
60 const char *bufname, *olddata;
61 size_t bufsize, newsize;
62
63 bufname = args_get(args, 'b');
64 if (bufname == NULL)
65 pb = NULL;
66 else
67 pb = paste_get_name(bufname);
68
69 if (self->entry == &cmd_delete_buffer_entry) {
70 if (pb == NULL)
71 pb = paste_get_top(&bufname);
72 if (pb == NULL) {
73 cmdq_error(item, "no buffer");
74 return (CMD_RETURN_ERROR);
75 }
76 paste_free(pb);
77 return (CMD_RETURN_NORMAL);
78 }
79
80 if (args_has(args, 'n')) {
81 if (pb == NULL)
82 pb = paste_get_top(&bufname);
83 if (pb == NULL) {
84 cmdq_error(item, "no buffer");
85 return (CMD_RETURN_ERROR);
86 }
87 if (paste_rename(bufname, args_get(args, 'n'), &cause) != 0) {
88 cmdq_error(item, "%s", cause);
89 free(cause);
90 return (CMD_RETURN_ERROR);
91 }
92 return (CMD_RETURN_NORMAL);
93 }
94
95 if (args->argc != 1) {
96 cmdq_error(item, "no data specified");
97 return (CMD_RETURN_ERROR);
98 }
99 if ((newsize = strlen(args->argv[0])) == 0)
100 return (CMD_RETURN_NORMAL);
101
102 bufsize = 0;
103 bufdata = NULL;
104
105 if (args_has(args, 'a') && pb != NULL) {
106 olddata = paste_buffer_data(pb, &bufsize);
107 bufdata = xmalloc(bufsize);
108 memcpy(bufdata, olddata, bufsize);
109 }
110
111 bufdata = xrealloc(bufdata, bufsize + newsize);
112 memcpy(bufdata + bufsize, args->argv[0], newsize);
113 bufsize += newsize;
114
115 if (paste_set(bufdata, bufsize, bufname, &cause) != 0) {
116 cmdq_error(item, "%s", cause);
117 free(bufdata);
118 free(cause);
119 return (CMD_RETURN_ERROR);
120 }
121
122 return (CMD_RETURN_NORMAL);
123}
124