From fab4c3c719977205a3f005ddfd7fffbb9c19c587 Mon Sep 17 00:00:00 2001
From: Frank Tang <ftang@chromium.org>
Date: Wed, 30 Oct 2019 17:45:22 -0700
Subject: [PATCH] ICU-20884 initialized buffer uloc_getKeywordValue

---
 icu4c/source/common/uloc.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/icu4c/source/common/uloc.cpp b/icu4c/source/common/uloc.cpp
index 6a9bfcfbff5..ea81c0ce87f 100644
--- a/icu4c/source/common/uloc.cpp
+++ b/icu4c/source/common/uloc.cpp
@@ -766,6 +766,9 @@ uloc_getKeywordValue(const char* localeID,
                      char* buffer, int32_t bufferCapacity,
                      UErrorCode* status)
 {
+    if (buffer != nullptr) {
+        buffer[0] = '\0';
+    }
     const char* startSearchHere = NULL;
     const char* nextSeparator = NULL;
     char keywordNameBuffer[ULOC_KEYWORD_BUFFER_LEN];