mirror of
https://github.com/tmate-io/tmate.git
synced 2024-11-09 01:35:20 +01:00
137 lines
2.6 KiB
C
137 lines
2.6 KiB
C
/* $Id: paste.c,v 1.11 2009-11-04 22:39:20 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 <sys/time.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include "tmux.h"
|
|
|
|
void
|
|
paste_init_stack(struct paste_stack *ps)
|
|
{
|
|
ARRAY_INIT(ps);
|
|
}
|
|
|
|
void
|
|
paste_free_stack(struct paste_stack *ps)
|
|
{
|
|
while (paste_free_top(ps) == 0)
|
|
;
|
|
}
|
|
|
|
struct paste_buffer *
|
|
paste_walk_stack(struct paste_stack *ps, uint *idx)
|
|
{
|
|
struct paste_buffer *pb;
|
|
|
|
pb = paste_get_index(ps, *idx);
|
|
(*idx)++;
|
|
return (pb);
|
|
}
|
|
|
|
struct paste_buffer *
|
|
paste_get_top(struct paste_stack *ps)
|
|
{
|
|
if (ARRAY_LENGTH(ps) == 0)
|
|
return (NULL);
|
|
return (ARRAY_FIRST(ps));
|
|
}
|
|
|
|
struct paste_buffer *
|
|
paste_get_index(struct paste_stack *ps, u_int idx)
|
|
{
|
|
if (idx >= ARRAY_LENGTH(ps))
|
|
return (NULL);
|
|
return (ARRAY_ITEM(ps, idx));
|
|
}
|
|
|
|
int
|
|
paste_free_top(struct paste_stack *ps)
|
|
{
|
|
struct paste_buffer *pb;
|
|
|
|
if (ARRAY_LENGTH(ps) == 0)
|
|
return (-1);
|
|
|
|
pb = ARRAY_FIRST(ps);
|
|
ARRAY_REMOVE(ps, 0);
|
|
|
|
xfree(pb->data);
|
|
xfree(pb);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
paste_free_index(struct paste_stack *ps, u_int idx)
|
|
{
|
|
struct paste_buffer *pb;
|
|
|
|
if (idx >= ARRAY_LENGTH(ps))
|
|
return (-1);
|
|
|
|
pb = ARRAY_ITEM(ps, idx);
|
|
ARRAY_REMOVE(ps, idx);
|
|
|
|
xfree(pb->data);
|
|
xfree(pb);
|
|
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
paste_add(struct paste_stack *ps, u_char *data, size_t size, u_int limit)
|
|
{
|
|
struct paste_buffer *pb;
|
|
|
|
if (*data == '\0')
|
|
return;
|
|
|
|
while (ARRAY_LENGTH(ps) >= limit) {
|
|
pb = ARRAY_LAST(ps);
|
|
xfree(pb->data);
|
|
xfree(pb);
|
|
ARRAY_TRUNC(ps, 1);
|
|
}
|
|
|
|
pb = xmalloc(sizeof *pb);
|
|
ARRAY_INSERT(ps, 0, pb);
|
|
|
|
pb->data = data;
|
|
pb->size = size;
|
|
}
|
|
|
|
int
|
|
paste_replace(struct paste_stack *ps, u_int idx, u_char *data, size_t size)
|
|
{
|
|
struct paste_buffer *pb;
|
|
|
|
if (idx >= ARRAY_LENGTH(ps))
|
|
return (-1);
|
|
|
|
pb = ARRAY_ITEM(ps, idx);
|
|
xfree(pb->data);
|
|
|
|
pb->data = data;
|
|
pb->size = size;
|
|
|
|
return (0);
|
|
}
|