Chris@1: #ifndef SHARE__UTF8_H
Chris@1: #define SHARE__UTF8_H
Chris@1: 
Chris@1: /*
Chris@1:  * Convert a string between UTF-8 and the locale's charset.
Chris@1:  * Invalid bytes are replaced by '#', and characters that are
Chris@1:  * not available in the target encoding are replaced by '?'.
Chris@1:  *
Chris@1:  * If the locale's charset is not set explicitly then it is
Chris@1:  * obtained using nl_langinfo(CODESET), where available, the
Chris@1:  * environment variable CHARSET, or assumed to be US-ASCII.
Chris@1:  *
Chris@1:  * Return value of conversion functions:
Chris@1:  *
Chris@1:  *  -1 : memory allocation failed
Chris@1:  *   0 : data was converted exactly
Chris@1:  *   1 : valid data was converted approximately (using '?')
Chris@1:  *   2 : input was invalid (but still converted, using '#')
Chris@1:  *   3 : unknown encoding (but still converted, using '?')
Chris@1:  */
Chris@1: 
Chris@1: int utf8_encode(const char *from, char **to);
Chris@1: int utf8_decode(const char *from, char **to);
Chris@1: 
Chris@1: #endif