/* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2008 Index Data.
+ * Copyright (C) 1995-2013 Index Data.
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
size_t *no_read,
int *error);
-/** \brief encodes UTF-8 sequence
+/** \brief encodes UTF-8 sequence
\param x the UNICODE value
\param outbuf output buffer pointer, updated if conversion is successful
\param outbytesleft length of buffer, updated if conversino is successful
char **outbuf, size_t *outbytesleft,
int *error);
+/* ctype.h macros ASCII based. That do not depend on LANG, nor require
+ unsigned int as argument */
+#define yaz_isdigit(x) ((x) >= '0' && (x) <= '9')
+#define yaz_isspace(x) strchr(" \f\r\n\t\v", x)
+#define yaz_toupper(x) ((x) + ('A' - 'a'))
+#define yaz_isupper(x) ((x) >= 'A' && (x) <= 'Z')
+#define yaz_tolower(x) ((x) + ('a' - 'A'))
+#define yaz_islower(x) ((x) >= 'a' && (x) <= 'z')
+
+/** \brief check whether string apppers to be UTF-8 encoded
+ \param cstr string to check
+ \retval 1 OK (appears to be UTF-8)
+ \retval 0 definitely not UTF-8
+*/
+YAZ_EXPORT int yaz_utf8_check(const char *cstr);
+
YAZ_END_CDECL
#endif
/*
* Local variables:
* c-basic-offset: 4
+ * c-file-style: "Stroustrup"
* indent-tabs-mode: nil
* End:
* vim: shiftwidth=4 tabstop=8 expandtab