[Bug]NE when playing mp3 with incorrect UTF16 char
Bug: 15274351
Bug: 15539240
Many MP3 files have incorrect utf16 chars, but the
Utf16_to_utf8_length() routine checks for errors in
standard utf16 char. utf16_to_utf8() was not checking
for errors in standard utf16 char.
Change-Id: Iafd922ff92cabe6bba8971215fcfd1fd471c894b
(cherry picked from commit 605b139cdf56364c6c9b37e59dd12efc61c24631)
diff --git a/libutils/Unicode.cpp b/libutils/Unicode.cpp
index a66e3bb..1ee1a0b 100644
--- a/libutils/Unicode.cpp
+++ b/libutils/Unicode.cpp
@@ -342,7 +342,8 @@
while (cur_utf16 < end_utf16) {
char32_t utf32;
// surrogate pairs
- if ((*cur_utf16 & 0xFC00) == 0xD800) {
+ if((*cur_utf16 & 0xFC00) == 0xD800 && (cur_utf16 + 1) < end_utf16
+ && (*(cur_utf16 + 1) & 0xFC00) == 0xDC00) {
utf32 = (*cur_utf16++ - 0xD800) << 10;
utf32 |= *cur_utf16++ - 0xDC00;
utf32 += 0x10000;