blob: d065f50fb18a34124bfcf8f3f17c78bc02114baa [file] [log] [blame] [raw]
Nicholas Marriott93230a62009-01-19 18:23:40 +00001/* $Id: cmd-show-buffer.c,v 1.4 2009-01-19 18:23:40 nicm Exp $ */
Nicholas Marriott9798dcd2008-06-20 08:36:20 +00002
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
Nicholas Marriott9798dcd2008-06-20 08:36:20 +000021#include <stdlib.h>
22
23#include "tmux.h"
24
25/*
26 * Show a session paste buffer.
27 */
28
Nicholas Marriott93230a62009-01-19 18:23:40 +000029int cmd_show_buffer_exec(struct cmd *, struct cmd_ctx *);
Nicholas Marriott9798dcd2008-06-20 08:36:20 +000030
31const struct cmd_entry cmd_show_buffer_entry = {
32 "show-buffer", "showb",
33 CMD_BUFFER_SESSION_USAGE,
34 0,
35 cmd_buffer_init,
36 cmd_buffer_parse,
37 cmd_show_buffer_exec,
38 cmd_buffer_send,
39 cmd_buffer_recv,
40 cmd_buffer_free,
41 cmd_buffer_print
42};
43
Nicholas Marriott93230a62009-01-19 18:23:40 +000044int
Nicholas Marriott9798dcd2008-06-20 08:36:20 +000045cmd_show_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
46{
47 struct cmd_buffer_data *data = self->data;
48 struct session *s;
49 struct paste_buffer *pb;
50 u_int size;
51 char *buf, *ptr;
52 size_t len;
53
54 if ((s = cmd_find_session(ctx, data->target)) == NULL)
Nicholas Marriott93230a62009-01-19 18:23:40 +000055 return (-1);
Nicholas Marriott9798dcd2008-06-20 08:36:20 +000056
57 if (data->buffer == -1) {
Nicholas Marriott93230a62009-01-19 18:23:40 +000058 if ((pb = paste_get_top(&s->buffers)) == NULL) {
Nicholas Marriott9798dcd2008-06-20 08:36:20 +000059 ctx->error(ctx, "no buffers");
Nicholas Marriott93230a62009-01-19 18:23:40 +000060 return (-1);
61 }
62 } else if ((pb = paste_get_index(&s->buffers, data->buffer)) == NULL) {
63 ctx->error(ctx, "no buffer %d", data->buffer);
64 return (-1);
Nicholas Marriott9798dcd2008-06-20 08:36:20 +000065 }
66
67 if (pb != NULL) {
68 size = s->sx;
69
70 buf = xmalloc(size + 1);
71 len = 0;
Nicholas Marriott62457bc2008-09-26 06:45:28 +000072
Nicholas Marriott9798dcd2008-06-20 08:36:20 +000073 ptr = pb->data;
74 do {
75 buf[len++] = *ptr++;
76
77 if (len == size) {
78 buf[len] = '\0';
79 ctx->print(ctx, buf);
80
81 len = 0;
82 }
83 } while (*ptr != '\0');
84 buf[len] = '\0';
85 ctx->print(ctx, buf);
86 }
Nicholas Marriott62457bc2008-09-26 06:45:28 +000087
Nicholas Marriott93230a62009-01-19 18:23:40 +000088 return (0);
Nicholas Marriott9798dcd2008-06-20 08:36:20 +000089}