71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
/* $Id$ */
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/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the Gnome Top Library.
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Contributed by Martin Baulig <martin@home-of-linux.org>, April 1998.
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The Gnome Top Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The Gnome Top Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <glibtop/read.h>
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/* Reads some data from server. */
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static void
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do_read (int s, void *ptr, size_t total_size)
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{
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int nread;
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size_t already_read = 0, remaining = total_size;
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while (already_read < total_size) {
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nread = recv (s, ptr, remaining, 0);
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if (nread == 0) {
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close (s);
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continue;
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}
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if (nread <= 0) {
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glibtop_error_io ("recv");
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return;
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}
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already_read += nread;
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remaining -= nread;
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(char *) ptr += nread;
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}
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}
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void
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glibtop_read_l (glibtop *server, size_t size, void *buf)
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{
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int ret = 0;
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glibtop_init_r (&server, 0, 0);
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#ifdef DEBUG
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fprintf (stderr, "LIBRARY: really reading %d bytes.\n", size);
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#endif
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if (server->socket) {
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do_read (server->socket, buf, size);
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} else {
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ret = read (server->input [0], buf, size);
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}
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if (ret < 0)
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glibtop_error_io_r (server, _("read %d bytes"), size);
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}
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