From a788c4e44cea4b39acef271930b49646efb87b08 Mon Sep 17 00:00:00 2001
From: Markus Scherer <markus.icu@gmail.com>
Date: Mon, 11 Oct 2010 21:01:31 +0000
Subject: [PATCH] ICU-7264 check for supported prefix length

X-SVN-Rev: 28787
---
 tools/unicode/c/genuca/genuca.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/unicode/c/genuca/genuca.cpp b/tools/unicode/c/genuca/genuca.cpp
index 1bde05f0a53..bbf3a440f4b 100644
--- a/tools/unicode/c/genuca/genuca.cpp
+++ b/tools/unicode/c/genuca/genuca.cpp
@@ -995,6 +995,12 @@ struct {
                 // contractionCEs[1]: '\0' to differentiate with contractions.
                 // contractionCEs[2]: prefix char
                 if (element->prefixSize>0) {
+                    if(element->cSize > 1 || element->prefixSize > 1) {
+                        fprintf(stderr,
+                                "\nCharacter with prefix, "
+                                "either too many characters or prefix too long.\n");
+                        exit(*status);
+                    }
                     if(noOfContractions>=MAX_UCA_CONTRACTION_CES) {
                       fprintf(stderr,
                               "\nMore than %d contractions. Please increase MAX_UCA_CONTRACTION_CES in genuca.cpp. "