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events: use SDL_memmove instead of SDL_memcpy for overlapping memory

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This commit is contained in:
Green Sky
2025-01-14 23:15:14 +01:00
committed by Sam Lantinga
parent bf793bf439
commit 191a6417d5
2 changed files with 3 additions and 3 deletions
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2
src/events/SDL_keyboard.c
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@@ -160,7 +160,7 @@ void SDL_RemoveKeyboard(SDL_KeyboardID keyboardID, bool send_event)
SDL_free(SDL_keyboards[keyboard_index].name);
if (keyboard_index != SDL_keyboard_count - 1) {
SDL_memcpy(&SDL_keyboards[keyboard_index], &SDL_keyboards[keyboard_index + 1], (SDL_keyboard_count - keyboard_index - 1) * sizeof(SDL_keyboards[keyboard_index]));
SDL_memmove(&SDL_keyboards[keyboard_index], &SDL_keyboards[keyboard_index + 1], (SDL_keyboard_count - keyboard_index - 1) * sizeof(SDL_keyboards[keyboard_index]));
}
--SDL_keyboard_count;

4
src/events/SDL_mouse.c
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@@ -328,7 +328,7 @@ void SDL_RemoveMouse(SDL_MouseID mouseID, bool send_event)
SDL_free(SDL_mice[mouse_index].name);
if (mouse_index != SDL_mouse_count - 1) {
SDL_memcpy(&SDL_mice[mouse_index], &SDL_mice[mouse_index + 1], (SDL_mouse_count - mouse_index - 1) * sizeof(SDL_mice[mouse_index]));
SDL_memmove(&SDL_mice[mouse_index], &SDL_mice[mouse_index + 1], (SDL_mouse_count - mouse_index - 1) * sizeof(SDL_mice[mouse_index]));
}
--SDL_mouse_count;
@@ -339,7 +339,7 @@ void SDL_RemoveMouse(SDL_MouseID mouseID, bool send_event)
if (source->mouseID == mouseID) {
SDL_free(source->clickstate);
if (i != mouse->num_sources - 1) {
SDL_memcpy(&mouse->sources[i], &mouse->sources[i + 1], (mouse->num_sources - i - 1) * sizeof(mouse->sources[i]));
SDL_memmove(&mouse->sources[i], &mouse->sources[i + 1], (mouse->num_sources - i - 1) * sizeof(mouse->sources[i]));
}
--mouse->num_sources;
break;