len bytes of
len is positive,
val may contain embedded nuls and need
not be nul-terminated. It is the caller’s responsibility to
val has at least
len addressable bytes.
len is negative,
val must be nul-terminated and
is considered to request the entire string length. This
g_string_append_len() equivalent to g_string_append().
Bytes to append.
The data is owned by the caller of the method. The value is a NUL terminated UTF-8 string.
Number of bytes of
valto use, or -1 for all of
|The data is owned by the instance.|