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-rw-r--r--libutils/Unicode.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/libutils/Unicode.cpp b/libutils/Unicode.cpp
index a66e3bbbb..378d2a786 100644
--- a/libutils/Unicode.cpp
+++ b/libutils/Unicode.cpp
@@ -342,7 +342,8 @@ void utf16_to_utf8(const char16_t* src, size_t src_len, char* dst)
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;
@@ -576,7 +577,7 @@ void utf8_to_utf16(const uint8_t* u8str, size_t u8len, char16_t* u16str) {
char16_t* utf8_to_utf16_n(const uint8_t* src, size_t srcLen, char16_t* dst, size_t dstLen) {
const uint8_t* const u8end = src + srcLen;
const uint8_t* u8cur = src;
- const uint16_t* const u16end = dst + dstLen;
+ const char16_t* const u16end = dst + dstLen;
char16_t* u16cur = dst;
while (u8cur < u8end && u16cur < u16end) {