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         "b:", 0, 0,
  34         CMD_BUFFER_USAGE,
  35         0,
  36         NULL,
  37         NULL,
  38         cmd_delete_buffer_exec
  39 };
  40
  41 int
  42 cmd_delete_buffer_exec(struct cmd *self, struct cmd_ctx *ctx)
  43 {
  44         struct args     *args = self->args;
  45         char            *cause;
  46         int              buffer;
  47
  48         if (!args_has(args, 'b')) {
  49                 paste_free_top(&global_buffers);
  50                 return (0);
  51         }
  52
  53         buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause);
  54         if (cause != NULL) {
  55                 ctx->error(ctx, "buffer %s", cause);
  56                 xfree(cause);
  57                 return (-1);
  58         }
  59
  60         if (paste_free_index(&global_buffers, buffer) != 0) {
  61                 ctx->error(ctx, "no buffer %d", buffer);
  62                 return (-1);
  63         }
  64
  65         return (0);
  66 }