tmux/cmd-switch-client.c

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/* $Id: cmd-switch-client.c,v 1.4 2008-06-02 21:08:36 nicm Exp $ */
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/*
* 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 <getopt.h>
#include <stdlib.h>
#include <string.h>
#include "tmux.h"
/*
* Switch client to a different session.
*/
int cmd_switch_client_parse(struct cmd *, void **, int, char **, char **);
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void cmd_switch_client_exec(void *, struct cmd_ctx *);
void cmd_switch_client_send(void *, struct buffer *);
void cmd_switch_client_recv(void **, struct buffer *);
void cmd_switch_client_free(void *);
struct cmd_switch_client_data {
char *cname;
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char *name;
};
const struct cmd_entry cmd_switch_client_entry = {
"switch-client", "switchc",
"session-name",
0,
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cmd_switch_client_parse,
cmd_switch_client_exec,
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cmd_switch_client_send,
cmd_switch_client_recv,
cmd_switch_client_free
};
int
cmd_switch_client_parse(
struct cmd *self, void **ptr, int argc, char **argv, char **cause)
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{
struct cmd_switch_client_data *data;
int opt;
*ptr = data = xmalloc(sizeof *data);
data->cname = NULL;
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data->name = NULL;
while ((opt = getopt(argc, argv, "c:")) != EOF) {
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switch (opt) {
case 'c':
data->cname = xstrdup(optarg);
break;
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default:
goto usage;
}
}
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argc -= optind;
argv += optind;
if (argc != 1)
goto usage;
data->name = xstrdup(argv[0]);
return (0);
usage:
xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
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cmd_switch_client_free(data);
return (-1);
}
void
cmd_switch_client_exec(void *ptr, struct cmd_ctx *ctx)
{
struct cmd_switch_client_data *data = ptr;
struct client *c;
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struct session *s;
if (data == NULL)
return;
if ((c = cmd_find_client(ctx, data->cname)) == NULL)
return;
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if ((s = session_find(data->name)) == NULL) {
ctx->error(ctx, "session not found: %s", data->name);
return;
}
c->session = s;
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recalculate_sizes();
server_redraw_client(c);
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if (ctx->cmdclient != NULL)
server_write_client(ctx->cmdclient, MSG_EXIT, NULL, 0);
}
void
cmd_switch_client_send(void *ptr, struct buffer *b)
{
struct cmd_switch_client_data *data = ptr;
buffer_write(b, data, sizeof *data);
cmd_send_string(b, data->cname);
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cmd_send_string(b, data->name);
}
void
cmd_switch_client_recv(void **ptr, struct buffer *b)
{
struct cmd_switch_client_data *data;
*ptr = data = xmalloc(sizeof *data);
buffer_read(b, data, sizeof *data);
data->cname = cmd_recv_string(b);
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data->name = cmd_recv_string(b);
}
void
cmd_switch_client_free(void *ptr)
{
struct cmd_switch_client_data *data = ptr;
if (data->cname != NULL)
xfree(data->cname);
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if (data->name != NULL)
xfree(data->name);
xfree(data);
}