Feeds data into an existing GChecksum. The checksum must still be open, that is g_checksum_get_string() or g_checksum_get_digest() must not have been called on checksum. Since 2.16
buffer used to compute the checksum
size of the buffer, or -1 if it is a null-terminated string.
See Implementation
Feeds data into an existing GChecksum. The checksum must still be open, that is g_checksum_get_string() or g_checksum_get_digest() must not have been called on checksum. Since 2.16