tmux/cmd-list-buffers.c

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/* $Id: cmd-list-buffers.c,v 1.12 2009-09-07 23:48:54 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <string.h>
#include "tmux.h"
/*
* List paste buffers.
*/
int cmd_list_buffers_exec(struct cmd *, struct cmd_ctx *);
const struct cmd_entry cmd_list_buffers_entry = {
"list-buffers", "lsb",
CMD_TARGET_SESSION_USAGE,
0, 0,
cmd_target_init,
cmd_target_parse,
cmd_list_buffers_exec,
cmd_target_free,
cmd_target_print
};
int
cmd_list_buffers_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_target_data *data = self->data;
struct session *s;
struct paste_buffer *pb;
u_int idx;
char tmp[51 * 4 + 1];
size_t size, len;
if ((s = cmd_find_session(ctx, data->target)) == NULL)
return (-1);
idx = 0;
while ((pb = paste_walk_stack(&s->buffers, &idx)) != NULL) {
size = pb->size;
/* Translate the first 50 characters. */
len = size;
if (len > 50)
len = 50;
strvisx(tmp, pb->data, len, VIS_OCTAL|VIS_TAB|VIS_NL);
/*
* If the first 50 characterswere encoded as a longer string,
* or there is definitely more data, add "...".
*/
if (size > 50 || strlen(tmp) > 50) {
tmp[50 - 3] = '\0';
strlcat(tmp, "...", sizeof tmp);
}
ctx->print(ctx, "%u: %zu bytes: \"%s\"", idx - 1, size, tmp);
}
return (0);
}