ICU-491.11.1.tar.gz

[apple/icu.git] / icuSources / common / ucnv.c

diff --git a/icuSources/common/ucnv.c b/icuSources/common/ucnv.c
index 5c4eb559d4b49057c58f44706f9bcb43e09417de..3308c6c7bbdcc366e99cbb74de677bc019186224 100644 (file)
--- a/icuSources/common/ucnv.c
+++ b/icuSources/common/ucnv.c
@@ -1,7 +1,7 @@
 /*
 ******************************************************************************
 *
-*   Copyright (C) 1998-2010, International Business Machines
+*   Copyright (C) 1998-2011, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 ******************************************************************************
@@ -27,6 +27,8 @@
 #include "unicode/ucnv.h"
 #include "unicode/ucnv_err.h"
 #include "unicode/uset.h"
+#include "unicode/utf.h"
+#include "unicode/utf16.h"
 #include "putilimp.h"
 #include "cmemory.h"
 #include "cstring.h"
@@ -2882,6 +2884,30 @@ ucnv_toUCountPending(const UConverter* cnv, UErrorCode* status){
     }
     return 0;
 }
+
+U_DRAFT UBool U_EXPORT2
+ucnv_isFixedWidth(UConverter *cnv, UErrorCode *status){
+    if (U_FAILURE(*status)) {
+        return FALSE;
+    }
+
+    if (cnv == NULL) {
+        *status = U_ILLEGAL_ARGUMENT_ERROR;
+        return FALSE;
+    }
+
+    switch (ucnv_getType(cnv)) {
+        case UCNV_SBCS:
+        case UCNV_DBCS:
+        case UCNV_UTF32_BigEndian:
+        case UCNV_UTF32_LittleEndian:
+        case UCNV_UTF32:
+        case UCNV_US_ASCII:
+            return TRUE;
+        default:
+            return FALSE;
+    }
+}
 #endif
 
 /*