ICU-461.16.tar.gz

[apple/icu.git] / icuSources / common / cpputils.h

diff --git a/icuSources/common/cpputils.h b/icuSources/common/cpputils.h
index c1b439c7ff887b3636458ebb655bd23e323be986..e423900d0f8f11e51c8f15ccae4eb68a40355e6a 100644 (file)
--- a/icuSources/common/cpputils.h
+++ b/icuSources/common/cpputils.h
@@ -1,7 +1,7 @@
 /*
 ******************************************************************************
 *
-*   Copyright (C) 1997-2006, International Business Machines
+*   Copyright (C) 1997-2010, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 ******************************************************************************
@@ -81,4 +81,15 @@ uprv_arrayCopy(const U_NAMESPACE_QUALIFIER UnicodeString *src, int32_t srcStart,
         U_NAMESPACE_QUALIFIER UnicodeString *dst, int32_t dstStart, int32_t count)
 { uprv_arrayCopy(src+srcStart, dst+dstStart, count); }
 
+/**
+ * Checks that the string is readable and writable.
+ * Sets U_ILLEGAL_ARGUMENT_ERROR if the string isBogus() or has an open getBuffer().
+ */
+inline void
+uprv_checkCanGetBuffer(const U_NAMESPACE_QUALIFIER UnicodeString &s, UErrorCode &errorCode) {
+    if(U_SUCCESS(errorCode) && s.isBogus()) {
+        errorCode=U_ILLEGAL_ARGUMENT_ERROR;
+    }
+}
+
 #endif /* _CPPUTILS */