tmux/cmd-generic.c

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/* $Id: cmd-generic.c,v 1.1 2008-06-02 18:08:16 nicm Exp $ */
/*
* Copyright (c) 2008 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 <getopt.h>
#include "tmux.h"
struct cmd_clientonly_data {
char *cname;
};
struct cmd_sessiononly_data {
char *sname;
};
int
cmd_clientonly_parse(
struct cmd *self, void **ptr, int argc, char **argv, char **cause)
{
struct cmd_clientonly_data *data;
int opt;
*ptr = data = xmalloc(sizeof *data);
data->cname = NULL;
while ((opt = getopt(argc, argv, "c:")) != EOF) {
switch (opt) {
case 'c':
data->cname = xstrdup(optarg);
break;
default:
goto usage;
}
}
argc -= optind;
argv += optind;
if (argc != 0)
goto usage;
return (0);
usage:
usage(cause, "%s %s", self->entry->name, self->entry->usage);
self->entry->free(data);
return (-1);
}
void
cmd_clientonly_send(void *ptr, struct buffer *b)
{
struct cmd_clientonly_data *data = ptr;
buffer_write(b, data, sizeof *data);
cmd_send_string(b, data->cname);
}
void
cmd_clientonly_recv(void **ptr, struct buffer *b)
{
struct cmd_clientonly_data *data;
*ptr = data = xmalloc(sizeof *data);
buffer_read(b, data, sizeof *data);
data->cname = cmd_recv_string(b);
}
void
cmd_clientonly_free(void *ptr)
{
struct cmd_clientonly_data *data = ptr;
if (data->cname != NULL)
xfree(data->cname);
xfree(data);
}
struct client *
cmd_clientonly_get(void *ptr, struct cmd_ctx *ctx)
{
struct cmd_clientonly_data *data = ptr;
if (data != NULL)
return (cmd_find_client(ctx, data->cname));
return (cmd_find_client(ctx, NULL));
}
int
cmd_sessiononly_parse(
struct cmd *self, void **ptr, int argc, char **argv, char **cause)
{
struct cmd_sessiononly_data *data;
int opt;
*ptr = data = xmalloc(sizeof *data);
data->sname = NULL;
while ((opt = getopt(argc, argv, "s:")) != EOF) {
switch (opt) {
case 's':
data->sname = xstrdup(optarg);
break;
default:
goto usage;
}
}
argc -= optind;
argv += optind;
if (argc != 0)
goto usage;
return (0);
usage:
usage(cause, "%s %s", self->entry->name, self->entry->usage);
self->entry->free(data);
return (-1);
}
void
cmd_sessiononly_send(void *ptr, struct buffer *b)
{
struct cmd_sessiononly_data *data = ptr;
buffer_write(b, data, sizeof *data);
cmd_send_string(b, data->sname);
}
void
cmd_sessiononly_recv(void **ptr, struct buffer *b)
{
struct cmd_sessiononly_data *data;
*ptr = data = xmalloc(sizeof *data);
buffer_read(b, data, sizeof *data);
data->sname = cmd_recv_string(b);
}
void
cmd_sessiononly_free(void *ptr)
{
struct cmd_sessiononly_data *data = ptr;
if (data->sname != NULL)
xfree(data->sname);
xfree(data);
}
struct session *
cmd_sessiononly_get(void *ptr, struct cmd_ctx *ctx)
{
struct cmd_sessiononly_data *data = ptr;
if (data != NULL)
return (cmd_find_session(ctx, data->sname));
return (cmd_find_session(ctx, NULL));
}