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/* $OpenBSD: cmd-show-buffer.c,v 1.6 2009/09/07 18:50:45 nicm 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 <vis.h>
#include "tmux.h"
/*
* Show a session paste buffer.
*/
int cmd_show_buffer_exec(struct cmd *, struct cmd_ctx *);
const struct cmd_entry cmd_show_buffer_entry = {
"show-buffer", "showb",
CMD_BUFFER_SESSION_USAGE,
0, 0,
cmd_buffer_init,
cmd_buffer_parse,
cmd_show_buffer_exec,
cmd_buffer_free,
cmd_buffer_print
};
int
cmd_show_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_buffer_data *data = self->data;
struct session *s;
struct paste_buffer *pb;
char *in, *buf, *ptr;
size_t size, len;
u_int width;
if ((s = cmd_find_session(ctx, data->target)) == NULL)
return (-1);
if (data->buffer == -1) {
if ((pb = paste_get_top(&s->buffers)) == NULL) {
ctx->error(ctx, "no buffers");
return (-1);
}
} else if ((pb = paste_get_index(&s->buffers, data->buffer)) == NULL) {
ctx->error(ctx, "no buffer %d", data->buffer);
return (-1);
}
if (pb == NULL)
return (0);
size = pb->size;
if (size > SIZE_MAX / 4 - 1)
size = SIZE_MAX / 4 - 1;
in = xmalloc(size * 4 + 1);
strvisx(in, pb->data, size, VIS_OCTAL|VIS_TAB);
width = s->sx;
if (ctx->cmdclient != NULL)
width = ctx->cmdclient->tty.sx;
buf = xmalloc(width + 1);
len = 0;
ptr = in;
do {
buf[len++] = *ptr++;
if (len == width || buf[len - 1] == '\n') {
if (buf[len - 1] == '\n')
len--;
buf[len] = '\0';
ctx->print(ctx, "%s", buf);
len = 0;
}
} while (*ptr != '\0');
if (len != 0) {
buf[len] = '\0';
ctx->print(ctx, "%s", buf);
}
xfree(buf);
xfree(in);
return (0);
}
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