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7216c39c » kfebert
2011-07-09 Imported Upstream version 1.5
1 /* $Id: cmd-show-buffer.c 2553 2011-07-09 09:42:33Z tcunha $ */
8fade26b » Karl Ferdinand Ebert
2009-11-22 Imported Upstream version 1.1
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 "tmux.h"
22
23 /*
24 * Show a session paste buffer.
25 */
26
27 int cmd_show_buffer_exec(struct cmd *, struct cmd_ctx *);
28
29 const struct cmd_entry cmd_show_buffer_entry = {
30 "show-buffer", "showb",
7216c39c » kfebert
2011-07-09 Imported Upstream version 1.5
31 "b:", 0, 0,
32 CMD_BUFFER_USAGE,
33 0,
34 NULL,
35 NULL,
36 cmd_show_buffer_exec
8fade26b » Karl Ferdinand Ebert
2009-11-22 Imported Upstream version 1.1
37 };
38
39 int
40 cmd_show_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
41 {
7216c39c » kfebert
2011-07-09 Imported Upstream version 1.5
42 struct args *args = self->args;
8fade26b » Karl Ferdinand Ebert
2009-11-22 Imported Upstream version 1.1
43 struct session *s;
44 struct paste_buffer *pb;
7216c39c » kfebert
2011-07-09 Imported Upstream version 1.5
45 int buffer;
46 char *in, *buf, *ptr, *cause;
8fade26b » Karl Ferdinand Ebert
2009-11-22 Imported Upstream version 1.1
47 size_t size, len;
48 u_int width;
49
7216c39c » kfebert
2011-07-09 Imported Upstream version 1.5
50 if ((s = cmd_find_session(ctx, NULL, 0)) == NULL)
8fade26b » Karl Ferdinand Ebert
2009-11-22 Imported Upstream version 1.1
51 return (-1);
52
7216c39c » kfebert
2011-07-09 Imported Upstream version 1.5
53 if (!args_has(args, 'b')) {
54 if ((pb = paste_get_top(&global_buffers)) == NULL) {
8fade26b » Karl Ferdinand Ebert
2009-11-22 Imported Upstream version 1.1
55 ctx->error(ctx, "no buffers");
56 return (-1);
57 }
7216c39c » kfebert
2011-07-09 Imported Upstream version 1.5
58 } else {
59 buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause);
60 if (cause != NULL) {
61 ctx->error(ctx, "buffer %s", cause);
62 xfree(cause);
63 return (-1);
64 }
65
66 pb = paste_get_index(&global_buffers, buffer);
67 if (pb == NULL) {
68 ctx->error(ctx, "no buffer %d", buffer);
69 return (-1);
70 }
8fade26b » Karl Ferdinand Ebert
2009-11-22 Imported Upstream version 1.1
71 }
72
73 size = pb->size;
74 if (size > SIZE_MAX / 4 - 1)
75 size = SIZE_MAX / 4 - 1;
76 in = xmalloc(size * 4 + 1);
77 strvisx(in, pb->data, size, VIS_OCTAL|VIS_TAB);
78
79 width = s->sx;
80 if (ctx->cmdclient != NULL)
81 width = ctx->cmdclient->tty.sx;
dda8e8e5 » kfebert
2010-03-13 Imported Upstream version 1.2
82
8fade26b » Karl Ferdinand Ebert
2009-11-22 Imported Upstream version 1.1
83 buf = xmalloc(width + 1);
84 len = 0;
dda8e8e5 » kfebert
2010-03-13 Imported Upstream version 1.2
85
8fade26b » Karl Ferdinand Ebert
2009-11-22 Imported Upstream version 1.1
86 ptr = in;
87 do {
88 buf[len++] = *ptr++;
dda8e8e5 » kfebert
2010-03-13 Imported Upstream version 1.2
89
8fade26b » Karl Ferdinand Ebert
2009-11-22 Imported Upstream version 1.1
90 if (len == width || buf[len - 1] == '\n') {
91 if (buf[len - 1] == '\n')
92 len--;
93 buf[len] = '\0';
94
dda8e8e5 » kfebert
2010-03-13 Imported Upstream version 1.2
95 ctx->print(ctx, "%s", buf);
8fade26b » Karl Ferdinand Ebert
2009-11-22 Imported Upstream version 1.1
96 len = 0;
97 }
98 } while (*ptr != '\0');
dda8e8e5 » kfebert
2010-03-13 Imported Upstream version 1.2
99
8fade26b » Karl Ferdinand Ebert
2009-11-22 Imported Upstream version 1.1
100 if (len != 0) {
101 buf[len] = '\0';
102 ctx->print(ctx, "%s", buf);
103 }
104 xfree(buf);
105
106 xfree(in);
107
108 return (0);
109 }
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