ICU-6.2.4.tar.gz

[apple/icu.git] / icuSources / test / cintltst / bocu1tst.c

diff --git a/icuSources/test/cintltst/bocu1tst.c b/icuSources/test/cintltst/bocu1tst.c
index 6f60b47c86ecd0d05aac6945e1178ad0f95507fb..c4da2fe94a4879fc0d0c4e27f6f3a156f80cb2e2 100644 (file)
--- a/icuSources/test/cintltst/bocu1tst.c
+++ b/icuSources/test/cintltst/bocu1tst.c
@@ -1,7 +1,7 @@
 /*
 ******************************************************************************
 *
-*   Copyright (C) 2002, International Business Machines
+*   Copyright (C) 2002-2003, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 ******************************************************************************
@@ -66,7 +66,9 @@
 #define BOCU1_MIN               0x21
 #define BOCU1_MIDDLE            0x90
 #define BOCU1_MAX_LEAD          0xfe
-#define BOCU1_MAX_TRAIL         0xff
+
+/* add the L suffix to make computations with BOCU1_MAX_TRAIL work on 16-bit compilers */
+#define BOCU1_MAX_TRAIL         0xffL
 #define BOCU1_RESET             0xff
 
 /* number of lead bytes */
@@ -258,8 +260,8 @@ bocu1Prev(int32_t c) {
         /* CJK Unihan */
         return 0x4e00-BOCU1_REACH_NEG_2;
     } else if(0xac00<=c && c<=0xd7a3) {
-        /* Korean Hangul */
-        return (0xd7a3+0xac00)/2;
+        /* Korean Hangul (cast to int32_t to avoid wraparound on 16-bit compilers) */
+        return ((int32_t)0xd7a3+(int32_t)0xac00)/2;
     } else {
         /* mostly small scripts */
         return (c&~0x7f)+BOCU1_ASCII_PREV;