* gpgme.c: Various source clean ups, like renaming C to CTX where
appropriate.
(gpgme_new): Clear R_CTX before starting the work.
(my_isdigit): Removed.
(my_isxdigit): Likewise.
* data.c: Various source clean ups.
(gpgme_data_new_from_mem): Check BUFFER after clearing R_DH.
(gpgme_data_new_with_read_cb): Similar for READ_CB.
(gpgme_data_new_from_file): Loop over fread while EINTR.
(gpgme_data_new_from_filepart): Rediddled a bit. Allow LENGTH to
be zero. Loop over fread while EINTR.
(my_isdigit): Removed.
(my_isxdigit): Likewise.
d83e746a07