tmux/client-fn.c

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/* $Id: client-fn.c,v 1.3 2007-10-23 10:48:22 nicm Exp $ */
/*
* 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 <stdlib.h>
#include <string.h>
#include "tmux.h"
void
client_fill_session(struct msg_command_data *data)
{
char *env, *ptr, buf[256];
const char *errstr;
long long ll;
data->pid = -1;
if ((env = getenv("TMUX")) == NULL)
return;
if ((ptr = strchr(env, ',')) == NULL)
return;
if ((size_t) (ptr - env) > sizeof buf)
return;
memcpy(buf, env, ptr - env);
buf[ptr - env] = '\0';
ll = strtonum(ptr + 1, 0, UINT_MAX, &errstr);
if (errstr != NULL)
return;
data->idx = ll;
ll = strtonum(buf, 0, LLONG_MAX, &errstr);
if (errstr != NULL)
return;
data->pid = ll;
}
void
client_write_server(
struct client_ctx *cctx, enum hdrtype type, void *buf, size_t len)
{
struct hdr hdr;
hdr.type = type;
hdr.size = len;
buffer_write(cctx->srv_out, &hdr, sizeof hdr);
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if (buf != NULL)
buffer_write(cctx->srv_out, buf, len);
}
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void
client_write_server2(struct client_ctx *cctx,
enum hdrtype type, void *buf1, size_t len1, void *buf2, size_t len2)
{
struct hdr hdr;
hdr.type = type;
hdr.size = len1 + len2;
buffer_write(cctx->srv_out, &hdr, sizeof hdr);
if (buf1 != NULL)
buffer_write(cctx->srv_out, buf1, len1);
if (buf2 != NULL)
buffer_write(cctx->srv_out, buf2, len2);
}