SDL_LogSetOutputFunction

Use this function to replace the default log output function with one of your own.

Syntax

void SDL_LogSetOutputFunction(SDL_LogOutputFunction callback,
                              void*                 userdata)

Function Parameters

Code Examples

You can add your code example here

Remarks

The function prototype for callback is:

• void* SDL_LogOutputFunction(void*           userdata,
                              int             category,
                              SDL_LogPriority priority,
                              const char*     message)
  

• where its parameters are:

  userdata	what was passed as userdata to SDL_LogSetOutputFunction()
  category	the category of the message; see Remarks for details
  priority	the priority of the message; see Remarks for details
  message	the message being output

  The category will be one of:

  SDL_LOG_CATEGORY_APPLICATION	application log
  SDL_LOG_CATEGORY_ERROR	error log
  SDL_LOG_CATEGORY_ASSERT	assert log
  SDL_LOG_CATEGORY_SYSTEM	system log
  SDL_LOG_CATEGORY_AUDIO	audio log
  SDL_LOG_CATEGORY_VIDEO	video log
  SDL_LOG_CATEGORY_RENDER	render log
  SDL_LOG_CATEGORY_INPUT	input log
  SDL_LOG_CATEGORY_TEST	test log
  SDL_LOG_CATEGORY_RESERVED#	# = 1-10; reserved for future SDL library use
  SDL_LOG_CATEGORY_CUSTOM	reserved for application use; see Remarks for details

  The priority will be one of:

  SDL_LOG_PRIORITY_VERBOSE
  SDL_LOG_PRIORITY_DEBUG
  SDL_LOG_PRIORITY_INFO
  SDL_LOG_PRIORITY_WARN
  SDL_LOG_PRIORITY_ERROR
  SDL_LOG_PRIORITY_CRITICAL
  SDL_NUM_LOG_PRIORITIES	(internal use)

Related Functions

• SDL_LogGetOutputFunction

CategoryAPI, CategoryLog