mes/lib/stdio/fwrite.c

46 lines
1.3 KiB
C

/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2017,2018 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 <stdio.h>
size_t
fwrite (void const *data, size_t size, size_t count, FILE *stream)
{
if (__mes_debug () > 1)
{
eputs ("fwrite "); eputs (itoa ((int)stream));
eputs (" "); eputs (itoa (size)); eputs ("\n");
}
if (! size || !count)
return 0;
int bytes = write ((int)stream, data, size * count);
if (__mes_debug () > 2)
{
eputs (" => "); eputs (itoa (bytes)); eputs ("\n");
}
if (bytes > 0)
return bytes/size;
return 0;
}