view common/logging.h @ 452:f8b480b08532

Factor out polarssl error handling and start new sslhelp file
author Andre Heinecke <aheinecke@intevation.de>
date Wed, 23 Apr 2014 10:33:40 +0000
parents 17e1c8f37d72
children 7f2cb85288d0
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/* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
 * Software engineering by Intevation GmbH
 *
 * This file is Free Software under the GNU GPL (v>=2)
 * and comes with ABSOLUTELY NO WARRANTY!
 * See LICENSE.txt for details.
 */
#ifndef COMMON_LOGGING_H
#define COMMON_LOGGING_H

#ifdef __cplusplus
extern "C" {
#endif

/*
 * @file
 * @brief Logging and debugging functions
 */

#ifdef WIN32

#include <windows.h>

/** @brief Gets the localized error message for the last error
 * returned by GetLastError
 *
 * @returns utf8 error message that needs to be freed by the caller.
 **/

char *getLastErrorMsg();

#endif

/**
 * @def DEBUGOUTPUT
 * @brief If defined code for extra debugging output will be generated.
 *
 * Will be defined if current build is not an RELEASE_BUILD.
 */
#ifndef RELEASE_BUILD
#define DEBUGOUTPUT
#endif

/**
 * @def DEBUGPREFIX
 * @brief A string prepended to debug output.
 *
 * Should be defined to indicate which module created the output.
 */
#ifndef DEBUGPREFIX
#define DEBUGPREFIX ""
#endif

/**
 * @def DEBUGPRINTF(fmt, ...)
 * @brief Debug printf
 *
 * Prints to stderr if DEBUGOUTPUT is defined.
 */
#ifdef DEBUGOUTPUT
# ifndef WIN32
#  define DEBUGPRINTF(fmt, ...) fprintf(stderr, DEBUGPREFIX "DEBUG: " fmt, ##__VA_ARGS__);
# else /* WIN32 */
#  define DEBUGPRINTF(fmt, ...) \
  { \
    char buf[512]; \
    snprintf(buf, 511, "DEBUG: " fmt, ##__VA_ARGS__); \
    buf[511] = '\0'; \
    OutputDebugStringA(buf); \
  }
# endif /* WIN32 */
#else
# define DEBUGPRINTF(fmt, ...)
#endif

/**
 * @def ERRORPRINTF(fmt, ...)
 * @brief Debug printf
 *
 * Prints an error to stderr
 */
#define ERRORPRINTF(fmt, ...) fprintf(stderr, DEBUGPREFIX "ERROR: " fmt, ##__VA_ARGS__);



#ifdef __cplusplus
}
#endif

#endif /* COMMON_LOGGING_H */

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