Files
libgtop/backends/server/command.c
Benoît Dejean 770e39d2d2 Zeroed all args.
* backends/server/command.c: (glibtop_call_i): Zeroed all args.

	* configure.in: Bumped soname (thanks to seb128 and Dodji even if i've
	fully understand everything.

	* include/glibtop/array.h:
	* include/glibtop/compat_10.h:
	* include/glibtop/glib-arrays.h:
	* include/glibtop/interfaces.h:
	* include/glibtop/proccwd.h:
	* lib/glib-arrays.c:
	* sysdeps/names/interfaces.c:
	* sysdeps/names/proccwd.c: Got rid of never-used / never-implemented files.
2004-08-28 11:12:02 +00:00

95 lines
2.6 KiB
C

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* $Id$ */
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <backend-server.h>
#include "command.h"
void *
glibtop_call_i (glibtop_server *server, backend_server_private *priv,
unsigned command, size_t send_size, const void *send_buf,
size_t data_size, const void *data_buf,
size_t recv_size, void *recv_ptr,
int *retval_ptr)
{
glibtop_command cmnd = {0};
glibtop_response resp = {0};
cmnd.command = command;
/* If send_size is less than _GLIBTOP_PARAM_SIZE (normally 16 Bytes), we
* send it together with command, so we only need one system call instead
* of two. */
if (send_size <= _GLIBTOP_PARAM_SIZE) {
memcpy (cmnd.parameter, send_buf, send_size);
cmnd.param_size = send_size;
} else {
cmnd.send_size = send_size;
}
cmnd.data_size = data_size;
glibtop_write_i (priv, sizeof (glibtop_command), &cmnd);
if (data_size) {
#ifdef SLAVE_DEBUG
fprintf (stderr, "SENDING %d bytes of DATA.\n", data_size);
#endif
glibtop_write_i (priv, data_size, data_buf);
}
glibtop_read_i (priv, sizeof (glibtop_response), &resp);
#ifdef SLAVE_DEBUG
fprintf (stderr, "RESPONSE: %d - %d - %ld - %ld - %p - %ld\n",
resp.retval, resp.glibtop_errno,
(long) resp.recv_size, (long) resp.data_size,
recv_ptr, (long) recv_size);
#endif
if (retval_ptr)
*retval_ptr = resp.glibtop_errno;
if (resp.recv_size != recv_size) {
glibtop_warn_r (server, "Expected %ld bytes, but got %ld.",
(long) recv_size, (long) resp.recv_size);
return NULL;
}
if (recv_ptr)
glibtop_read_i (priv, recv_size, recv_ptr);
if (resp.data_size) {
void *ptr = g_malloc (resp.data_size);
glibtop_read_i (priv, resp.data_size, ptr);
return ptr;
}
return NULL;
}