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Don't overwrite non-CRC gamepad mapping with a new mapping that specifies a CRC

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Fixes https://github.com/libsdl-org/SDL/issues/11723
This commit is contained in:
Sam Lantinga
2024-12-26 20:18:26 -08:00
parent 948b16533c
commit 1413bfb185
1 changed files with 5 additions and 3 deletions
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8
src/joystick/SDL_gamepad.c
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@@ -870,7 +870,7 @@ static GamepadMapping_t *SDL_CreateMappingForWGIGamepad(SDL_GUID guid)
/*
* Helper function to scan the mappings database for a gamepad with the specified GUID
*/
static GamepadMapping_t *SDL_PrivateMatchGamepadMappingForGUID(SDL_GUID guid, bool match_version)
static GamepadMapping_t *SDL_PrivateMatchGamepadMappingForGUID(SDL_GUID guid, bool match_version, bool exact_match_crc)
{
GamepadMapping_t *mapping, *best_match = NULL;
Uint16 crc = 0;
@@ -909,6 +909,8 @@ static GamepadMapping_t *SDL_PrivateMatchGamepadMappingForGUID(SDL_GUID guid, bo
// An exact match, including CRC
return mapping;
} else if (crc && exact_match_crc) {
return NULL;
}
if (!best_match) {
@@ -926,7 +928,7 @@ static GamepadMapping_t *SDL_PrivateGetGamepadMappingForGUID(SDL_GUID guid, bool
{
GamepadMapping_t *mapping;
mapping = SDL_PrivateMatchGamepadMappingForGUID(guid, true);
mapping = SDL_PrivateMatchGamepadMappingForGUID(guid, true, adding_mapping);
if (mapping) {
return mapping;
}
@@ -940,7 +942,7 @@ static GamepadMapping_t *SDL_PrivateGetGamepadMappingForGUID(SDL_GUID guid, bool
if (SDL_JoystickGUIDUsesVersion(guid)) {
// Try again, ignoring the version
mapping = SDL_PrivateMatchGamepadMappingForGUID(guid, false);
mapping = SDL_PrivateMatchGamepadMappingForGUID(guid, false, false);
if (mapping) {
return mapping;
}