#
# Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
#
Add NULL checks to getBuffer calls
https://unicode-org.atlassian.net/browse/ICU-12378

--- icu/source/common/unisetspan.cpp.orig
+++ icu/source/common/unisetspan.cpp
@@ -660,6 +660,8 @@
                 }
                 const UnicodeString &string=*(const UnicodeString *)strings.elementAt(i);
                 const char16_t *s16=string.getBuffer();
+                if (s16 == nullptr)
+                    continue;
                 int32_t length16=string.length();
                 U_ASSERT(length>0);
 
@@ -1373,6 +1375,8 @@
             }
             const UnicodeString &string=*(const UnicodeString *)strings.elementAt(i);
             const char16_t *s16=string.getBuffer();
+            if (s16 == nullptr)
+                continue;
             int32_t length16=string.length();
             U_ASSERT(length>0);
             if(length16<=rest && matches16CPB(s, pos, length, s16, length16)) {
@@ -1417,6 +1421,8 @@
             }
             const UnicodeString &string=*(const UnicodeString *)strings.elementAt(i);
             const char16_t *s16=string.getBuffer();
+            if (s16 == nullptr)
+                continue;
             int32_t length16=string.length();
             U_ASSERT(length>0);
             if(length16<=pos && matches16CPB(s, pos-length16, length, s16, length16)) {