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Vita: Fix keyboard result bounds check

This commit is contained in:
Vicki Pfau 2022-10-06 22:21:38 -07:00
parent 4508797e35
commit 7982de2a4c
1 changed files with 11 additions and 3 deletions
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14
src/platform/psp2/main.c
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@ -132,9 +132,17 @@ static enum GUIKeyboardStatus _keyboardRun(struct GUIKeyboardParams* keyboard) {
utf16Buffer = params.inputTextBuffer; utf16Buffer = params.inputTextBuffer;
utf8Buffer = keyboard->result; utf8Buffer = keyboard->result;
i = keyboard->maxLen; i = keyboard->maxLen;
while (i > 0 && *utf16Buffer) { size_t bufferSize = sizeof(SceWChar16) * keyboard->maxLen;
uint32_t unichar = utf16Char((const uint16_t**) &utf16Buffer, &i); while (bufferSize && *utf16Buffer) {
utf8Buffer += toUtf8(unichar, utf8Buffer); char buffer[4];
uint32_t unichar = utf16Char((const uint16_t**) &utf16Buffer, &bufferSize);
size_t bytes = toUtf8(unichar, buffer);
if (i < bytes) {
break;
}
memcpy(utf8Buffer, buffer, bytes);
utf8Buffer += bytes;
i -= bytes;
} }
utf8Buffer[0] = 0; utf8Buffer[0] = 0;