SDL_hid_get_report_descriptor - Man Page
Get a report descriptor from a HID device.
Header File
Defined in SDL3/SDL_hidapi.h
Synopsis
#include "SDL3/SDL.h" int SDL_hid_get_report_descriptor(SDL_hid_device *dev, unsigned char *buf, size_t buf_size);
Description
User has to provide a preallocated buffer where descriptor will be copied to. The recommended size for a preallocated buffer is 4096 bytes.
Function Parameters
- dev
a device handle returned from SDL_hid_open ().
- buf
the buffer to copy descriptor into.
- buf_size
the size of the buffer in bytes.
Return Value
Returns the number of bytes actually copied or -1 on failure; call
SDL_GetError () for more information.
Availability
This function is available since SDL 3.2.0.
Info
SDL 3.2.2 Simple Directmedia Layer SDL3 FUNCTIONS