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/* ****************************************************************************
* stdio/write.c -- Write to a stream.
*
* Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
*
* This file is part of the 'all/core' module in libcarrot, an experimental
* modular libc project.
*
* This file is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* This file 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 Lesser General Lesser Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this file. If not, see <http://www.gnu.org/licenses/>.
* ************************************************************************* */
#include "stdio.h"
/**
* fwrite:
* Write to a FILE stream.
*
* @arg ptr the buffer to send.
* @arg size the size of an element.
* @arg nmemb the number of elements to send.
* @arg stream the stream.
* @return the number of sent elements.
*/
size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream)
{
long wr;
/* check if we can write */
if (!stream->write) return (0);
/* write */
wr = (*stream->write)(stream->cookie, ptr, size * nmemb);
if (wr < 0) return (0);
/* update offset and return */
stream->offset += wr;
return (wr / size);
}
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