added some check for the input parameters.
tree019d5428c24eebbf085c8c82d87c91883ad3db92
-rw-r--r-- 272 .cvsignore
-rw-r--r-- 119 .cvsusers
-rw-r--r-- 354 AUTHORS
-rw-r--r-- 18007 COPYING
-rw-r--r-- 26536 COPYING.LIB
-rw-r--r-- 499934 ChangeLog
-rw-r--r-- 228 Makefile.am
-rw-r--r-- 23180 NEWS
-rw-r--r-- 2335 README
-rw-r--r-- 851 THANKS
-rw-r--r-- 103 acinclude.m4
-rwxr-xr-x 240 buildconf
-rw-r--r-- 12338 configure.in
drwxr-xr-x - doc
drwxr-xr-x - includes
drwxr-xr-x - lib
drwxr-xr-x - libextra
-rw-r--r-- 2979 libgcrypt.m4
-rw-r--r-- 7063 opencdk.m4
drwxr-xr-x - src
drwxr-xr-x - tests