mirror of
https://github.com/tmux/tmux.git
synced 2025-09-02 21:56:57 +00:00
Import tmux, a terminal multiplexor allowing (among other things) a single
terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
This commit is contained in:
Nicholas Marriott
694
cmd-generic.c
Normal file
694
cmd-generic.c
Normal file
@ -0,0 +1,694 @@
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/* $OpenBSD$ */
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/*
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* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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#define CMD_FLAGS "adDgkuU"
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#define CMD_FLAGMASK (CMD_AFLAG|CMD_DFLAG|CMD_BIGDFLAG|CMD_GFLAG|CMD_KFLAG| \
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CMD_UFLAG|CMD_BIGUFLAG)
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int cmd_do_flags(int, int, int *);
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size_t cmd_print_flags(char *, size_t, size_t, int);
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int cmd_fill_argument(int, char **, int, char **);
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size_t
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cmd_prarg(char *buf, size_t len, const char *prefix, char *arg)
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{
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if (strchr(arg, ' ') != NULL)
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return (xsnprintf(buf, len, "%s\"%s\"", prefix, arg));
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return (xsnprintf(buf, len, "%s%s", prefix, arg));
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}
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int
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cmd_do_flags(int opt, int iflags, int *oflags)
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{
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switch (opt) {
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case 'a':
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if (iflags & CMD_AFLAG) {
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(*oflags) |= CMD_AFLAG;
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return (0);
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}
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return (-1);
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case 'd':
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if (iflags & CMD_DFLAG) {
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(*oflags) |= CMD_DFLAG;
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return (0);
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}
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return (-1);
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case 'D':
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if (iflags & CMD_BIGDFLAG) {
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(*oflags) |= CMD_BIGDFLAG;
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return (0);
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}
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return (-1);
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case 'g':
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if (iflags & CMD_GFLAG) {
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(*oflags) |= CMD_GFLAG;
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return (0);
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}
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return (-1);
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case 'k':
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if (iflags & CMD_KFLAG) {
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(*oflags) |= CMD_KFLAG;
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return (0);
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}
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return (-1);
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case 'u':
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if (iflags & CMD_UFLAG) {
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(*oflags) |= CMD_UFLAG;
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return (0);
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}
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return (-1);
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case 'U':
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if (iflags & CMD_BIGUFLAG) {
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(*oflags) |= CMD_BIGUFLAG;
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return (0);
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}
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return (-1);
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}
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return (1);
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}
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size_t
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cmd_print_flags(char *buf, size_t len, size_t off, int flags)
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{
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size_t boff = off;
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if ((flags & CMD_FLAGMASK) == 0)
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return (0);
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off += xsnprintf(buf + off, len - off, " -");
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if (off < len && flags & CMD_AFLAG)
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off += xsnprintf(buf + off, len - off, "a");
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if (off < len && flags & CMD_BIGDFLAG)
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off += xsnprintf(buf + off, len - off, "D");
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if (off < len && flags & CMD_DFLAG)
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off += xsnprintf(buf + off, len - off, "d");
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if (off < len && flags & CMD_GFLAG)
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off += xsnprintf(buf + off, len - off, "g");
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if (off < len && flags & CMD_KFLAG)
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off += xsnprintf(buf + off, len - off, "k");
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if (off < len && flags & CMD_UFLAG)
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off += xsnprintf(buf + off, len - off, "u");
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if (off < len && flags & CMD_BIGUFLAG)
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off += xsnprintf(buf + off, len - off, "U");
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return (off - boff);
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}
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int
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cmd_fill_argument(int flags, char **arg, int argc, char **argv)
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{
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*arg = NULL;
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if (flags & CMD_ARG1) {
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if (argc != 1)
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return (-1);
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*arg = xstrdup(argv[0]);
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return (0);
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}
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if (flags & CMD_ARG01) {
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if (argc != 0 && argc != 1)
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return (-1);
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if (argc == 1)
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*arg = xstrdup(argv[0]);
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return (0);
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}
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if (argc != 0)
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return (-1);
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return (0);
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}
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void
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cmd_target_init(struct cmd *self, unused int key)
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{
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struct cmd_target_data *data;
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self->data = data = xmalloc(sizeof *data);
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data->flags = 0;
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data->target = NULL;
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data->arg = NULL;
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}
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int
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cmd_target_parse(struct cmd *self, int argc, char **argv, char **cause)
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{
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struct cmd_target_data *data;
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int opt;
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/* Don't use the entry version since it may be dependent on key. */
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cmd_target_init(self, 0);
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data = self->data;
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while ((opt = getopt(argc, argv, CMD_FLAGS "t:")) != -1) {
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switch (cmd_do_flags(opt, self->entry->flags, &data->flags)) {
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case -1:
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goto usage;
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case 0:
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continue;
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}
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switch (opt) {
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case 't':
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if (data->target == NULL)
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data->target = xstrdup(optarg);
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break;
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default:
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goto usage;
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}
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}
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argc -= optind;
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argv += optind;
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if (cmd_fill_argument(self->entry->flags, &data->arg, argc, argv) != 0)
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goto usage;
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return (0);
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usage:
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xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
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self->entry->free(self);
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return (-1);
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}
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void
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cmd_target_send(struct cmd *self, struct buffer *b)
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{
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struct cmd_target_data *data = self->data;
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buffer_write(b, data, sizeof *data);
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cmd_send_string(b, data->target);
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cmd_send_string(b, data->arg);
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}
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void
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cmd_target_recv(struct cmd *self, struct buffer *b)
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{
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struct cmd_target_data *data;
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self->data = data = xmalloc(sizeof *data);
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buffer_read(b, data, sizeof *data);
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data->target = cmd_recv_string(b);
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data->arg = cmd_recv_string(b);
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}
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void
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cmd_target_free(struct cmd *self)
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{
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struct cmd_target_data *data = self->data;
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if (data->target != NULL)
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xfree(data->target);
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if (data->arg != NULL)
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xfree(data->arg);
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xfree(data);
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}
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size_t
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cmd_target_print(struct cmd *self, char *buf, size_t len)
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{
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struct cmd_target_data *data = self->data;
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size_t off = 0;
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off += xsnprintf(buf, len, "%s", self->entry->name);
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if (data == NULL)
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return (off);
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off += cmd_print_flags(buf, len, off, data->flags);
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if (off < len && data->target != NULL)
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off += cmd_prarg(buf + off, len - off, " -t ", data->target);
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if (off < len && data->arg != NULL)
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off += cmd_prarg(buf + off, len - off, " ", data->arg);
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return (off);
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}
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void
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cmd_srcdst_init(struct cmd *self, unused int key)
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{
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struct cmd_srcdst_data *data;
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self->data = data = xmalloc(sizeof *data);
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data->flags = 0;
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data->src = NULL;
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data->dst = NULL;
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data->arg = NULL;
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}
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int
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cmd_srcdst_parse(struct cmd *self, int argc, char **argv, char **cause)
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{
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struct cmd_srcdst_data *data;
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int opt;
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cmd_srcdst_init(self, 0);
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data = self->data;
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while ((opt = getopt(argc, argv, CMD_FLAGS "s:t:")) != -1) {
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switch (cmd_do_flags(opt, self->entry->flags, &data->flags)) {
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case -1:
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goto usage;
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case 0:
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continue;
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}
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switch (opt) {
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case 's':
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if (data->src == NULL)
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data->src = xstrdup(optarg);
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break;
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case 't':
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if (data->dst == NULL)
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data->dst = xstrdup(optarg);
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break;
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default:
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goto usage;
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}
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}
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argc -= optind;
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argv += optind;
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if (cmd_fill_argument(self->entry->flags, &data->arg, argc, argv) != 0)
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goto usage;
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return (0);
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usage:
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xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
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self->entry->free(self);
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return (-1);
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}
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void
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cmd_srcdst_send(struct cmd *self, struct buffer *b)
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{
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struct cmd_srcdst_data *data = self->data;
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buffer_write(b, data, sizeof *data);
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cmd_send_string(b, data->src);
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cmd_send_string(b, data->dst);
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cmd_send_string(b, data->arg);
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}
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void
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cmd_srcdst_recv(struct cmd *self, struct buffer *b)
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{
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struct cmd_srcdst_data *data;
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self->data = data = xmalloc(sizeof *data);
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buffer_read(b, data, sizeof *data);
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data->src = cmd_recv_string(b);
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data->dst = cmd_recv_string(b);
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data->arg = cmd_recv_string(b);
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}
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void
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cmd_srcdst_free(struct cmd *self)
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{
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struct cmd_srcdst_data *data = self->data;
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if (data->src != NULL)
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xfree(data->src);
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if (data->dst != NULL)
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xfree(data->dst);
|
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if (data->arg != NULL)
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xfree(data->arg);
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xfree(data);
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}
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size_t
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cmd_srcdst_print(struct cmd *self, char *buf, size_t len)
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{
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||||
struct cmd_srcdst_data *data = self->data;
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size_t off = 0;
|
||||
|
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off += xsnprintf(buf, len, "%s", self->entry->name);
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if (data == NULL)
|
||||
return (off);
|
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off += cmd_print_flags(buf, len, off, data->flags);
|
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if (off < len && data->src != NULL)
|
||||
off += xsnprintf(buf + off, len - off, " -s %s", data->src);
|
||||
if (off < len && data->dst != NULL)
|
||||
off += xsnprintf(buf + off, len - off, " -t %s", data->dst);
|
||||
if (off < len && data->arg != NULL)
|
||||
off += cmd_prarg(buf + off, len - off, " ", data->arg);
|
||||
return (off);
|
||||
}
|
||||
|
||||
void
|
||||
cmd_buffer_init(struct cmd *self, unused int key)
|
||||
{
|
||||
struct cmd_buffer_data *data;
|
||||
|
||||
self->data = data = xmalloc(sizeof *data);
|
||||
data->flags = 0;
|
||||
data->target = NULL;
|
||||
data->buffer = -1;
|
||||
data->arg = NULL;
|
||||
}
|
||||
|
||||
int
|
||||
cmd_buffer_parse(struct cmd *self, int argc, char **argv, char **cause)
|
||||
{
|
||||
struct cmd_buffer_data *data;
|
||||
int opt, n;
|
||||
const char *errstr;
|
||||
|
||||
cmd_buffer_init(self, 0);
|
||||
data = self->data;
|
||||
|
||||
while ((opt = getopt(argc, argv, CMD_FLAGS "b:t:")) != -1) {
|
||||
switch (cmd_do_flags(opt, self->entry->flags, &data->flags)) {
|
||||
case -1:
|
||||
goto usage;
|
||||
case 0:
|
||||
continue;
|
||||
}
|
||||
switch (opt) {
|
||||
case 'b':
|
||||
if (data->buffer == -1) {
|
||||
n = strtonum(optarg, 0, INT_MAX, &errstr);
|
||||
if (errstr != NULL) {
|
||||
xasprintf(cause, "buffer %s", errstr);
|
||||
goto error;
|
||||
}
|
||||
data->buffer = n;
|
||||
}
|
||||
break;
|
||||
case 't':
|
||||
if (data->target == NULL)
|
||||
data->target = xstrdup(optarg);
|
||||
break;
|
||||
default:
|
||||
goto usage;
|
||||
}
|
||||
}
|
||||
argc -= optind;
|
||||
argv += optind;
|
||||
|
||||
if (cmd_fill_argument(self->entry->flags, &data->arg, argc, argv) != 0)
|
||||
goto usage;
|
||||
return (0);
|
||||
|
||||
usage:
|
||||
xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
|
||||
|
||||
error:
|
||||
self->entry->free(self);
|
||||
return (-1);
|
||||
}
|
||||
|
||||
void
|
||||
cmd_buffer_send(struct cmd *self, struct buffer *b)
|
||||
{
|
||||
struct cmd_buffer_data *data = self->data;
|
||||
|
||||
buffer_write(b, data, sizeof *data);
|
||||
cmd_send_string(b, data->target);
|
||||
cmd_send_string(b, data->arg);
|
||||
}
|
||||
|
||||
void
|
||||
cmd_buffer_recv(struct cmd *self, struct buffer *b)
|
||||
{
|
||||
struct cmd_buffer_data *data;
|
||||
|
||||
self->data = data = xmalloc(sizeof *data);
|
||||
buffer_read(b, data, sizeof *data);
|
||||
data->target = cmd_recv_string(b);
|
||||
data->arg = cmd_recv_string(b);
|
||||
}
|
||||
|
||||
void
|
||||
cmd_buffer_free(struct cmd *self)
|
||||
{
|
||||
struct cmd_buffer_data *data = self->data;
|
||||
|
||||
if (data->target != NULL)
|
||||
xfree(data->target);
|
||||
if (data->arg != NULL)
|
||||
xfree(data->arg);
|
||||
xfree(data);
|
||||
}
|
||||
|
||||
size_t
|
||||
cmd_buffer_print(struct cmd *self, char *buf, size_t len)
|
||||
{
|
||||
struct cmd_buffer_data *data = self->data;
|
||||
size_t off = 0;
|
||||
|
||||
off += xsnprintf(buf, len, "%s", self->entry->name);
|
||||
if (data == NULL)
|
||||
return (off);
|
||||
off += cmd_print_flags(buf, len, off, data->flags);
|
||||
if (off < len && data->buffer != -1)
|
||||
off += xsnprintf(buf + off, len - off, " -b %d", data->buffer);
|
||||
if (off < len && data->target != NULL)
|
||||
off += cmd_prarg(buf + off, len - off, " -t ", data->target);
|
||||
if (off < len && data->arg != NULL)
|
||||
off += cmd_prarg(buf + off, len - off, " ", data->arg);
|
||||
return (off);
|
||||
}
|
||||
|
||||
void
|
||||
cmd_option_init(struct cmd *self, unused int key)
|
||||
{
|
||||
struct cmd_option_data *data;
|
||||
|
||||
self->data = data = xmalloc(sizeof *data);
|
||||
data->flags = 0;
|
||||
data->target = NULL;
|
||||
data->option = NULL;
|
||||
data->value = NULL;
|
||||
}
|
||||
|
||||
int
|
||||
cmd_option_parse(struct cmd *self, int argc, char **argv, char **cause)
|
||||
{
|
||||
struct cmd_option_data *data;
|
||||
int opt;
|
||||
|
||||
/* Don't use the entry version since it may be dependent on key. */
|
||||
cmd_option_init(self, 0);
|
||||
data = self->data;
|
||||
|
||||
while ((opt = getopt(argc, argv, CMD_FLAGS "t:")) != -1) {
|
||||
switch (cmd_do_flags(opt, self->entry->flags, &data->flags)) {
|
||||
case -1:
|
||||
goto usage;
|
||||
case 0:
|
||||
continue;
|
||||
}
|
||||
switch (opt) {
|
||||
case 't':
|
||||
if (data->target == NULL)
|
||||
data->target = xstrdup(optarg);
|
||||
break;
|
||||
default:
|
||||
goto usage;
|
||||
}
|
||||
}
|
||||
argc -= optind;
|
||||
argv += optind;
|
||||
|
||||
if (argc == 2) {
|
||||
data->option = xstrdup(argv[0]);
|
||||
data->value = xstrdup(argv[1]);
|
||||
} else if (argc == 1)
|
||||
data->option = xstrdup(argv[0]);
|
||||
else
|
||||
goto usage;
|
||||
return (0);
|
||||
|
||||
usage:
|
||||
xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
|
||||
|
||||
self->entry->free(self);
|
||||
return (-1);
|
||||
}
|
||||
|
||||
void
|
||||
cmd_option_send(struct cmd *self, struct buffer *b)
|
||||
{
|
||||
struct cmd_option_data *data = self->data;
|
||||
|
||||
buffer_write(b, data, sizeof *data);
|
||||
cmd_send_string(b, data->target);
|
||||
cmd_send_string(b, data->option);
|
||||
cmd_send_string(b, data->value);
|
||||
}
|
||||
|
||||
void
|
||||
cmd_option_recv(struct cmd *self, struct buffer *b)
|
||||
{
|
||||
struct cmd_option_data *data;
|
||||
|
||||
self->data = data = xmalloc(sizeof *data);
|
||||
buffer_read(b, data, sizeof *data);
|
||||
data->target = cmd_recv_string(b);
|
||||
data->option = cmd_recv_string(b);
|
||||
data->value = cmd_recv_string(b);
|
||||
}
|
||||
|
||||
void
|
||||
cmd_option_free(struct cmd *self)
|
||||
{
|
||||
struct cmd_option_data *data = self->data;
|
||||
|
||||
if (data->target != NULL)
|
||||
xfree(data->target);
|
||||
if (data->option != NULL)
|
||||
xfree(data->option);
|
||||
if (data->value != NULL)
|
||||
xfree(data->value);
|
||||
xfree(data);
|
||||
}
|
||||
|
||||
size_t
|
||||
cmd_option_print(struct cmd *self, char *buf, size_t len)
|
||||
{
|
||||
struct cmd_option_data *data = self->data;
|
||||
size_t off = 0;
|
||||
|
||||
off += xsnprintf(buf, len, "%s", self->entry->name);
|
||||
if (data == NULL)
|
||||
return (off);
|
||||
off += cmd_print_flags(buf, len, off, data->flags);
|
||||
if (off < len && data->target != NULL)
|
||||
off += cmd_prarg(buf + off, len - off, " -t ", data->target);
|
||||
if (off < len && data->option != NULL)
|
||||
off += xsnprintf(buf + off, len - off, " %s", data->option);
|
||||
if (off < len && data->value != NULL)
|
||||
off += xsnprintf(buf + off, len - off, " %s", data->value);
|
||||
return (off);
|
||||
}
|
||||
|
||||
void
|
||||
cmd_pane_init(struct cmd *self, unused int key)
|
||||
{
|
||||
struct cmd_pane_data *data;
|
||||
|
||||
self->data = data = xmalloc(sizeof *data);
|
||||
data->flags = 0;
|
||||
data->target = NULL;
|
||||
data->arg = NULL;
|
||||
data->pane = -1;
|
||||
}
|
||||
|
||||
int
|
||||
cmd_pane_parse(struct cmd *self, int argc, char **argv, char **cause)
|
||||
{
|
||||
struct cmd_pane_data *data;
|
||||
int opt, n;
|
||||
const char *errstr;
|
||||
|
||||
/* Don't use the entry version since it may be dependent on key. */
|
||||
cmd_pane_init(self, 0);
|
||||
data = self->data;
|
||||
|
||||
while ((opt = getopt(argc, argv, CMD_FLAGS "p:t:")) != -1) {
|
||||
switch (cmd_do_flags(opt, self->entry->flags, &data->flags)) {
|
||||
case -1:
|
||||
goto usage;
|
||||
case 0:
|
||||
continue;
|
||||
}
|
||||
switch (opt) {
|
||||
case 'p':
|
||||
if (data->pane == -1) {
|
||||
n = strtonum(optarg, 0, INT_MAX, &errstr);
|
||||
if (errstr != NULL) {
|
||||
xasprintf(cause, "pane %s", errstr);
|
||||
goto error;
|
||||
}
|
||||
data->pane = n;
|
||||
}
|
||||
break;
|
||||
case 't':
|
||||
if (data->target == NULL)
|
||||
data->target = xstrdup(optarg);
|
||||
break;
|
||||
default:
|
||||
goto usage;
|
||||
}
|
||||
}
|
||||
argc -= optind;
|
||||
argv += optind;
|
||||
|
||||
if (cmd_fill_argument(self->entry->flags, &data->arg, argc, argv) != 0)
|
||||
goto usage;
|
||||
return (0);
|
||||
|
||||
usage:
|
||||
xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
|
||||
|
||||
error:
|
||||
self->entry->free(self);
|
||||
return (-1);
|
||||
}
|
||||
|
||||
void
|
||||
cmd_pane_send(struct cmd *self, struct buffer *b)
|
||||
{
|
||||
struct cmd_pane_data *data = self->data;
|
||||
|
||||
buffer_write(b, data, sizeof *data);
|
||||
cmd_send_string(b, data->target);
|
||||
cmd_send_string(b, data->arg);
|
||||
}
|
||||
|
||||
void
|
||||
cmd_pane_recv(struct cmd *self, struct buffer *b)
|
||||
{
|
||||
struct cmd_pane_data *data;
|
||||
|
||||
self->data = data = xmalloc(sizeof *data);
|
||||
buffer_read(b, data, sizeof *data);
|
||||
data->target = cmd_recv_string(b);
|
||||
data->arg = cmd_recv_string(b);
|
||||
}
|
||||
|
||||
void
|
||||
cmd_pane_free(struct cmd *self)
|
||||
{
|
||||
struct cmd_pane_data *data = self->data;
|
||||
|
||||
if (data->target != NULL)
|
||||
xfree(data->target);
|
||||
if (data->arg != NULL)
|
||||
xfree(data->arg);
|
||||
xfree(data);
|
||||
}
|
||||
|
||||
size_t
|
||||
cmd_pane_print(struct cmd *self, char *buf, size_t len)
|
||||
{
|
||||
struct cmd_pane_data *data = self->data;
|
||||
size_t off = 0;
|
||||
|
||||
off += xsnprintf(buf, len, "%s", self->entry->name);
|
||||
if (data == NULL)
|
||||
return (off);
|
||||
off += cmd_print_flags(buf, len, off, data->flags);
|
||||
if (off < len && data->target != NULL)
|
||||
off += cmd_prarg(buf + off, len - off, " -t ", data->target);
|
||||
if (off < len && data->arg != NULL)
|
||||
off += cmd_prarg(buf + off, len - off, " ", data->arg);
|
||||
return (off);
|
||||
}
|
||||
Reference in New Issue
Block a user