Function

GLibutf8_get_char_validated

Declaration

gunichar
g_utf8_get_char_validated (
  const gchar* p,
  gssize max_len
)

Description

Convert a sequence of bytes encoded as UTF-8 to a Unicode character. This function checks for incomplete characters, for invalid characters such as characters that are out of the range of Unicode, and for overlong encodings of valid characters.

Note that g_utf8_get_char_validated() returns (gunichar)-2 if max_len is positive and any of the bytes in the first UTF-8 character sequence are nul.

Parameters

p

Type: const gchar*

A pointer to Unicode character encoded as UTF-8

The data is owned by the caller of the function.

The value is a NUL terminated UTF-8 string.

max_len

Type: gssize

The maximum number of bytes to read, or -1 if p is nul-terminated.

Return value

Type: gunichar

The resulting character. If p points to a partial sequence at the end of a string that could begin a valid character (or if max_len is zero), returns (gunichar)-2; otherwise, if p does not point to a valid UTF-8 encoded Unicode character, returns (gunichar)-1.