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/* $Id$ */
/* 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 <glibtop/xmalloc.h>
#include <glibtop/read_data.h>
/* Reads some data from server. */
void *
glibtop_read_data_l (glibtop *server)
{
size_t size;
void *ptr;
int ret;
glibtop_init_r (&server, 0, 0);
#ifdef DEBUG
fprintf (stderr, "LIBRARY: reading %d data bytes.\n", sizeof (size_t));
#endif
if (server->socket) {
ret = recv (server->socket, (void *)&size, sizeof (size_t), 0);
} else {
ret = read (server->input [0], (void *)&size, sizeof (size_t));
}
if (ret < 0)
glibtop_error_io_r (server, _("read data size"));
#ifdef DEBUG
fprintf (stderr, "LIBRARY: really reading %d data bytes (ret = %d).\n", size, ret);
#endif
if (!size) return NULL;
ptr = glibtop_malloc_r (server, size);
if (server->socket) {
ret = recv (server->socket, ptr, size, 0);
} else {
ret = read (server->input [0], ptr, size);
}
if (ret < 0)
glibtop_error_io_r (server, ngettext ("read data %d byte", "read data %d bytes", size));
return ptr;
}
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