text: /*
   *  Copyright (c) 2016-2017, The OpenThread Authors.
   *  All rights reserved.
   *
   *  Redistribution and use in source and binary forms, with or without
   *  modification, are permitted provided that the following conditions are met:
   *  1. Redistributions of source code must retain the above copyright
   *     notice, this list of conditions and the following disclaimer.
   *  2. Redistributions in binary form must reproduce the above copyright
   *     notice, this list of conditions and the following disclaimer in the
   *     documentation and/or other materials provided with the distribution.
   *  3. Neither the name of the copyright holder nor the
   *     names of its contributors may be used to endorse or promote products
   *     derived from this software without specific prior written permission.
   *
   *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
   *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   *  POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include "platform_qorvo.h"
  #include <openthread-core-config.h>
  #include <openthread/config.h>
  
  #include <ctype.h>
  #include <inttypes.h>
  #include <stdarg.h>
  #include <stdint.h>
  #include <stdio.h>
  #include <string.h>
  
  #ifndef _WIN32
  #include <syslog.h>
  #endif
  
  #include <openthread/platform/logging.h>
  #include <openthread/platform/toolchain.h>
  
  #include "utils/code_utils.h"
  
  // Macro to append content to end of the log string.
  
  #define LOG_PRINTF(...)                                                                   \
      charsWritten = snprintf(&logString[offset], sizeof(logString) - offset, __VA_ARGS__); \
      otEXPECT_ACTION(charsWritten >= 0, logString[offset] = 0);                            \
      offset += (unsigned int)charsWritten;                                                 \
      otEXPECT_ACTION(offset < sizeof(logString), logString[sizeof(logString) - 1] = 0)
  
  #if (OPENTHREAD_CONFIG_LOG_OUTPUT == OPENTHREAD_CONFIG_LOG_OUTPUT_PLATFORM_DEFINED) || \
      (OPENTHREAD_CONFIG_LOG_OUTPUT == OPENTHREAD_CONFIG_LOG_OUTPUT_NCP_SPINEL)
  
  int PlatOtLogLevelToSysLogLevel(otLogLevel aLogLevel)
  {
      int sysloglevel;
  
      switch (aLogLevel)
      {
      case OT_LOG_LEVEL_NONE:
          sysloglevel = LOG_ERR;
          break;
  
      case OT_LOG_LEVEL_CRIT:
          sysloglevel = LOG_CRIT;
          break;
  
      case OT_LOG_LEVEL_WARN:
          sysloglevel = LOG_WARNING;
          break;
  
      case OT_LOG_LEVEL_INFO:
          sysloglevel = LOG_INFO;
          break;
  
      case OT_LOG_LEVEL_DEBG:
          sysloglevel = LOG_DEBUG;
          break;
  
      default:
          sysloglevel = LOG_ERR;
      }
  
      return sysloglevel;
  }
  
  OT_TOOL_WEAK void otPlatLog(otLogLevel aLogLevel, otLogRegion aLogRegion, const char *aFormat, ...)
  {
      char         logString[512];
      unsigned int offset;
      int          charsWritten;
      va_list      args;
  
      offset = 0;
  
      va_start(args, aFormat);
      charsWritten = vsnprintf(&logString[offset], sizeof(logString) - offset, aFormat, args);
      va_end(args);
  
      otEXPECT_ACTION(charsWritten >= 0, logString[offset] = 0);
  
  exit:
      syslog(PlatOtLogLevelToSysLogLevel(aLogLevel), "%s", logString);
  
      (void)aLogRegion;
  }
  
  #endif
  