mes/lib/posix/read.c

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/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
* GNU Mes 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 3 of the License, or (at
* your option) any later version.
*
* GNU Mes 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#include <mes/lib.h>
#include <fcntl.h>
ssize_t
read (int filedes, void *buffer, size_t size)
{
ssize_t bytes = __buffered_read (filedes, buffer, size);
if (__mes_debug () > 4)
{
if (bytes == 1)
{
eputs ("read fd=");
eputs (itoa ((int) filedes));
eputs (" c=");
eputc (*(char *) buffer);
eputs ("\n");
}
else
{
eputs ("read fd=");
eputs (itoa ((int) filedes));
eputs (" bytes=");
eputs (itoa (bytes));
eputs ("\n");
}
}
return bytes;
}