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Add support for sensor to joystick on Linux (evdev) #7697

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merged 3 commits into from
Jun 26, 2023
Merged

Add support for sensor to joystick on Linux (evdev) #7697

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7a40db0
Add support for sensor to joystick on Linux (evdev)
meyraud705 May 11, 2023
5941bde
Improve sensor detection for Linux gamepad
meyraud705 May 13, 2023
dfa69a6
Don't keep sensor file open while sensors are disabled
meyraud705 May 13, 2023
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13 changes: 13 additions & 0 deletions src/SDL_utils.c
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Original file line number Diff line number Diff line change
Expand Up @@ -48,3 +48,16 @@ int SDL_powerof2(int x)

return value;
}

SDL_bool SDL_endswith(const char *string, const char *suffix)
{
size_t string_length = string ? SDL_strlen(string) : 0;
size_t suffix_length = suffix ? SDL_strlen(suffix) : 0;

if (suffix_length > 0 && suffix_length <= string_length) {
if (SDL_memcmp(string + string_length - suffix_length, suffix, suffix_length) == 0) {
return SDL_TRUE;
}
}
return SDL_FALSE;
}
2 changes: 2 additions & 0 deletions src/SDL_utils_c.h
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Original file line number Diff line number Diff line change
Expand Up @@ -28,4 +28,6 @@
/* Return the smallest power of 2 greater than or equal to 'x' */
int SDL_powerof2(int x);

SDL_bool SDL_endswith(const char *string, const char *suffix);

#endif /* SDL_utils_h_ */
16 changes: 1 addition & 15 deletions src/joystick/SDL_gamepad.c
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@

/* This is the gamepad API for Simple DirectMedia Layer */

#include "../SDL_utils_c.h"
#include "SDL_sysjoystick.h"
#include "SDL_joystick_c.h"
#include "SDL_gamepad_c.h"
Expand Down Expand Up @@ -2056,21 +2057,6 @@ SDL_bool SDL_IsGamepad(SDL_JoystickID instance_id)
return retval;
}

#ifdef __LINUX__
static SDL_bool SDL_endswith(const char *string, const char *suffix)
{
size_t string_length = string ? SDL_strlen(string) : 0;
size_t suffix_length = suffix ? SDL_strlen(suffix) : 0;

if (suffix_length > 0 && suffix_length <= string_length) {
if (SDL_memcmp(string + string_length - suffix_length, suffix, suffix_length) == 0) {
return SDL_TRUE;
}
}
return SDL_FALSE;
}
#endif

/*
* Return 1 if the gamepad should be ignored by SDL
*/
Expand Down
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