cmd-delete-buffer.c

   1 /* $OpenBSD$ */
   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 <stdlib.h>
  22
  23 #include "tmux.h"
  24
  25 /*
  26  * Delete a paste buffer.
  27  */
  28
  29 int     cmd_delete_buffer_exec(struct cmd *, struct cmd_ctx *);
  30
  31 const struct cmd_entry cmd_delete_buffer_entry = {
  32         "delete-buffer", "deleteb",
  33         CMD_BUFFER_SESSION_USAGE,
  34         0, "",
  35         cmd_buffer_init,
  36         cmd_buffer_parse,
  37         cmd_delete_buffer_exec,
  38         cmd_buffer_free,
  39         cmd_buffer_print
  40 };
  41
  42 int
  43 cmd_delete_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
  44 {
  45         struct cmd_buffer_data  *data = self->data;
  46         struct session          *s;
  47
  48         if ((s = cmd_find_session(ctx, data->target)) == NULL)
  49                 return (-1);
  50
  51         if (data->buffer == -1)
  52                 paste_free_top(&s->buffers);
  53         else if (paste_free_index(&s->buffers, data->buffer) != 0) {
  54                 ctx->error(ctx, "no buffer %d", data->buffer);
  55                 return (-1);
  56         }
  57
  58         return (0);
  59 }