Check in the pristine copy of ICU 4.6...

icu46/source/tools/genrb/errmsg.h

+/*
+*******************************************************************************
+*
+*   Copyright (C) 1998-1999, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+*
+*******************************************************************************
+*
+* File error.h
+*
+* Modification History:
+*
+*   Date        Name        Description
+*   05/28/99    stephen     Creation.
+*******************************************************************************
+*/
+
+#ifndef ERROR_H
+#define ERROR_H 1
+
+extern const char *gCurrentFileName;
+
+void error   (uint32_t linenumber, const char *msg, ...);
+void warning (uint32_t linenumber, const char *msg, ...);
+
+
+/* Show warnings? */
+U_CFUNC void setShowWarning(UBool val);
+U_CFUNC UBool getShowWarning(void);
+
+/* strict */
+U_CFUNC void setStrict(UBool val);
+U_CFUNC UBool isStrict(void);
+
+/* verbosity */
+U_CFUNC void setVerbose(UBool val);
+U_CFUNC UBool isVerbose(void);
+#endif