forked from Imagelibrary/rtems
506bfc8580
The RTEMS print user need to know nothing about a particular printer implementation. In particular get rid of the <stdio.h> include which would be visible via <rtems.h>.
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/**
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* @file rtems/print.h
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*
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* @brief User print interface to the bspIO print plug in.
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*
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* This include file defines the user interface to kernel print methods.
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*/
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/*
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* Copyright (c) 2016 Chris Johns <chrisj@rtems.org>
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* All rights reserved.
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#ifndef _RTEMS_PRINT_H
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#define _RTEMS_PRINT_H
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#include <rtems/score/basedefs.h>
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#include <stdarg.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct rtems_printer rtems_printer;
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/**
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* @defgroup RTEMSPrintSupport RTEMS Print Support
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*
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* This module contains all methods and support related to providing the user
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* with an interface to the kernel level print support.
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*/
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/**
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* @brief Print to the kernel plugin handler. This has to be a macro because
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* there is no vprint version of the plug in handlers.
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*
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* @param[in] printer Pointer to the printer structure.
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* @param[in] fmt Print format string.
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* @param[in] ... Print variable argument list.
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*
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* @return int Number of characters printed.
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*/
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extern int rtems_printf(const rtems_printer *printer,
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const char *format,
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...) RTEMS_PRINTFLIKE(2, 3);
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/**
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* @brief Print to the kernel plugin handler. This has to be a macro because
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* there is no vprint version of the plug in handlers.
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*
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* @param[in] printer Pointer to the printer structure.
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* @param[in] fmt Print format string.
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* @param[in] ap Print variable argument list pointer.
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*
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* @return int Number of characters printed.
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*/
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extern int rtems_vprintf(const rtems_printer *printer,
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const char *format,
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va_list ap);
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _RTEMS_PRINT_H */
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