Man page - sdl_hid_get_report_descriptor(3)

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Manual

SDL_hid_get_report_descriptor(3) SDL3 FUNCTIONS SDL_hid_get_report_descriptor(3)

SDL_hid_get_report_descriptor - Get a report descriptor from a HID device.

Defined in SDL3/SDL_hidapi.h

#include "SDL3/SDL.h"
int SDL_hid_get_report_descriptor(SDL_hid_device *dev, unsigned char *buf, size_t buf_size);

User has to provide a preallocated buffer where descriptor will be copied to. The recommended size for a preallocated buffer is 4096 bytes.

a device handle returned from SDL_hid_open ().
the buffer to copy descriptor into.
the size of the buffer in bytes.

Returns the number of bytes actually copied or -1 on failure; call

SDL_GetError () for more information.

This function is available since SDL 3.2.0.

SDL 3.2.10 Simple Directmedia Layer