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/*
* Copyright (c) 2017 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/printer.h>
#include <rtems/bspIo.h>
#include <pthread.h>
static pthread_once_t fprintf_putc_once = PTHREAD_ONCE_INIT;
static FILE fprintf_putc_file;
static _READ_WRITE_RETURN_TYPE fprintf_putc_write(
struct _reent *ptr,
void *cookie,
char const *buf,
_READ_WRITE_BUFSIZE_TYPE n
)
{
_READ_WRITE_RETURN_TYPE i;
_READ_WRITE_RETURN_TYPE m;
m = (_READ_WRITE_RETURN_TYPE) n;
for (i = 0; i < m; ++i) {
rtems_putc(buf[i]);
}
return m;
}
static void fprintf_putc_init(void)
{
FILE *f;
f = &fprintf_putc_file;
f->_flags = __SWR | __SNBF;
f->_cookie = f;
f->_write = fprintf_putc_write;
__lock_init_recursive(f->_lock);
}
static int fprintf_putc_printer(void *context, const char *fmt, va_list ap)
{
return vfprintf(context, fmt, ap);
}
void rtems_print_printer_fprintf_putc(rtems_printer *printer)
{
pthread_once(&fprintf_putc_once, fprintf_putc_init);
printer->context = &fprintf_putc_file;
printer->printer = fprintf_putc_printer;
}
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