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ime: windows: allocate space for null terminator

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Guldoman 2022-05-28 03:53:43 +02:00 committed by Sam Lantinga
parent fd2a2eea10
commit f78f775238
1 changed files with 4 additions and 4 deletions
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8
src/video/windows/SDL_windowskeyboard.c
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@ -65,7 +65,7 @@ WIN_InitKeyboard(_THIS)
data->ime_hwnd_current = 0;
data->ime_himc = 0;
data->ime_composition_length = 32 * sizeof(WCHAR);
data->ime_composition = (WCHAR*)SDL_malloc(data->ime_composition_length);
data->ime_composition = (WCHAR*)SDL_malloc(data->ime_composition_length + sizeof(WCHAR));
data->ime_composition[0] = 0;
data->ime_readingstring[0] = 0;
data->ime_cursor = 0;
@ -813,7 +813,7 @@ IME_GetCompositionString(SDL_VideoData *videodata, HIMC himc, DWORD string)
length = ImmGetCompositionStringW(himc, GCS_COMPATTR, NULL, 0);
if (length > 0) {
Uint8* attributes = (Uint8*)SDL_malloc(length);
Uint8* attributes = (Uint8*)SDL_malloc(length + sizeof(WCHAR));
ImmGetCompositionString(himc, GCS_COMPATTR, attributes, length);
for (start = 0; start < length; ++start) {
@ -863,7 +863,7 @@ IME_SendEditingEvent(SDL_VideoData *videodata)
size_t len = SDL_min(SDL_wcslen(videodata->ime_composition), (size_t)videodata->ime_cursor);
size += sizeof(videodata->ime_readingstring);
buffer = (WCHAR*)SDL_malloc(size);
buffer = (WCHAR*)SDL_malloc(size + sizeof(WCHAR));
buffer[0] = 0;
SDL_wcslcpy(buffer, videodata->ime_composition, len + 1);
@ -871,7 +871,7 @@ IME_SendEditingEvent(SDL_VideoData *videodata)
SDL_wcslcat(buffer, &videodata->ime_composition[len], size);
}
else {
buffer = (WCHAR*)SDL_malloc(size);
buffer = (WCHAR*)SDL_malloc(size + sizeof(WCHAR));
buffer[0] = 0;
SDL_wcslcpy(buffer, videodata->ime_composition, size);
}