From faa56bc083e7b7a39048a7942aed19f8f9d52852 Mon Sep 17 00:00:00 2001
From: Ram Viswanadha <rviswanadha@gmail.com>
Date: Fri, 16 Jul 2004 21:48:33 +0000
Subject: [PATCH] ICU-3019 add dectetion of UTF-EBCDIC signature

X-SVN-Rev: 16027
---
 icu4c/source/common/ucnv.c            | 4 ++++
 icu4c/source/test/cintltst/nucnvtst.c | 8 ++++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/icu4c/source/common/ucnv.c b/icu4c/source/common/ucnv.c
index c4366bd748a..eaf7079812e 100644
--- a/icu4c/source/common/ucnv.c
+++ b/icu4c/source/common/ucnv.c
@@ -2424,8 +2424,12 @@ ucnv_detectUnicodeSignature( const char* source,
             *signatureLength=4;
             return "UTF-7";
         }
+    }else if(start[0]=='\xDD' && start[1]== '\x73'&& start[2]=='\x66' && start[3]=='\x73'){
+        *signatureLength=4;
+        return "UTF-EBCDIC";
     }
 
+
     /* no known Unicode signature byte sequence recognized */
     *signatureLength=0;
     return NULL;
diff --git a/icu4c/source/test/cintltst/nucnvtst.c b/icu4c/source/test/cintltst/nucnvtst.c
index 69431c1a86c..130f95ce2a3 100644
--- a/icu4c/source/test/cintltst/nucnvtst.c
+++ b/icu4c/source/test/cintltst/nucnvtst.c
@@ -1469,7 +1469,9 @@ TestSignatureDetection(){
                 "\x2B\x2F\x76\x38\x41", /* UTF-7    */
                 "\x2B\x2F\x76\x39\x41", /* UTF-7    */
                 "\x2B\x2F\x76\x2B\x41", /* UTF-7    */
-                "\x2B\x2F\x76\x2F\x41"  /* UTF-7    */
+                "\x2B\x2F\x76\x2F\x41",  /* UTF-7    */
+
+                "\xDD\x73\x66\x73"      /* UTF-EBCDIC */
         };
         static const char* expected[] = {
                 "UTF-16BE",
@@ -1491,7 +1493,8 @@ TestSignatureDetection(){
                 "UTF-7",
                 "UTF-7",
                 "UTF-7",
-                "UTF-7"
+                "UTF-7",
+                "UTF-EBCDIC"
         };
         static const int32_t expectedLength[] ={
             2,
@@ -1513,6 +1516,7 @@ TestSignatureDetection(){
             4,
             4,
             4,
+            4,
             4
         };
         int i=0;