Updated copyright notices to include the year 2018.

Updated copyright notices to include the year 2017.

global: Use const for all test_functions[] arrays

global: Use "static const" for all struct tests[] arrays

lib-charset: Do not use //IGNORE on non-GNU system

lib-charset: Revert f086fd065 - wrong version This wasn't the version that was supposed to be merged..

lib-charset: Do not use //IGNORE on non-GNU system

global: freshen copyright git ls-files | xargs perl -p -i -e 's/(\d+)-201[0-5]/$1-2016/g;s/ (201[0-5]) Dovecot/ $1-2016 Dovecot/'

lib-charset: Added UTF-7 state checking unit test. This was an idea of a way to test for a bug in FreeBSD iconv(), but nobody reported if it did anything. So lets add it here and see.

various - remove 8-bit characters from literal strings in test cases C has a portable way of expressing characters not in the basic character set, namely \xNN escaping. Otherwise, the interpretation of the raw utf-8 is implentation dependent. This has the benefit of making some tests' expected output more obvious, such as "=c3=a4" matching "\xC3\xA4", even if it hinders the readability of some natural-language-based tests. Signed-off-by: Phil Carmody <phil@dovecot.fi>

lib-charset: Added UTF-7 iconv() unit test Possibly crashes on FreeBSD? Not verified yet. But a good test in any case.

lib-charset: Run iconv unit tests by giving iconv() new data 1 byte at a time.

lib-charset: Fixed assert-crash with some iconv() versions. Older glibc iconv() versions seem to skip over invalid characters, at least with some charsets, while newer versions don't. We were assuming that the skipping never happened, so if the invalid character was at the end of the string we could have wrapped size to (size_t)-1 and caused a crash later on.

lib-charset: Updated test-charset unit test to check for iconv() E2BIG result

lib-charset: test-charset unit test - Don't use invalid UTF-8 text in source code

lib-charset: Added a minimal unit test