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| ||'''callback'''||the log output function to set; see [[#Remarks|Remarks]] for details|| | ||'''callback'''||the function to call instead of the default; see [[#Remarks|Remarks]] for details|| |
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SDL_LogSetOutputFunction
Use this function to replace the default log output function with one of your own.
Contents
Syntax
void SDL_LogSetOutputFunction(SDL_LogOutputFunction callback,
void* userdata)
Function Parameters
callback |
the function to call instead of the default; see Remarks for details |
userdata |
a pointer that is passed to callback |
Code Examples
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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 log category to query ???
priority
the SDL_LogPriority to query; see below for details
message
the log output message ???
priority may be one of the following or NULL ???:
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)
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