tprintf.h

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/**********************************************************************
 * File:        tprintf.h
 * Description: Trace version of printf - portable between UX and NT
 * Author:      Phil Cheatle
 *
 * (C) Copyright 1995, Hewlett-Packard Ltd.
 ** Licensed under the Apache License, Version 2.0 (the "License");
 ** you may not use this file except in compliance with the License.
 ** You may obtain a copy of the License at
 ** http://www.apache.org/licenses/LICENSE-2.0
 ** Unless required by applicable law or agreed to in writing, software
 ** distributed under the License is distributed on an "AS IS" BASIS,
 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 ** See the License for the specific language governing permissions and
 ** limitations under the License.
 *
 **********************************************************************/
 
#ifndef TESSERACT_CCUTIL_TPRINTF_H
#define TESSERACT_CCUTIL_TPRINTF_H
 
#include "params.h" // for BOOL_VAR_H
#include <tesseract/export.h> // for TESS_API
 
namespace tesseract {
 
#if !defined(__GNUC__) && !defined(__attribute__)
# define __attribute__(attr) // compiler without support for __attribute__
#endif
 
// Disable some log messages by setting log_level > 0.
extern TESS_API INT_VAR_H(log_level);
 
// Main logging function.
extern TESS_API void tprintf( // Trace printf
    const char *format, ...)  // Message
    __attribute__((format(gnu_printf, 1, 2)));
 
} // namespace tesseract
 
#undef __attribute__
 
#endif // define TESSERACT_CCUTIL_TPRINTF_H