rosetta/lib/libc/io/stdio/fwrite.c

#include "file.h"

#include <unistd.h>

size_t fwrite(
	const void *buf,
	size_t size,
	size_t count,
	struct __opaque_file *stream)
{
	__libc_file_lock(stream);
	size_t total = size * count;
	if (total == 0) {
		return 0;
	}

	long ret = __libc_file_write(stream, buf, total);
	if (ret == 0) {
		stream->f_flags |= FILE_EOF;
	}

	if (ret < 0) {
		stream->f_flags |= FILE_ERR;
		ret = 0;
	}

	__libc_file_unlock(stream);
	return ret;
}