Hi,
We are pleased to announce version 1.4 of libgpg-error,
a library for common error values and messages in GnuPG components.
This is a shared library so it can be updated independently of each
individual component, while still allowing the use of new error values in
inter-process communication.
It may be found in the files
ftp://ftp.gnupg.org/gcrypt/libgpg-error/libgpg-error-1.4.tar.bz2 (457k)
ftp://ftp.gnupg.org/gcrypt/libgpg-error/libgpg-error-1.4.tar.bz2.sig
or gzip compressed
ftp://ftp.gnupg.org/gcrypt/libgpg-error/libgpg-error-1.4.tar.gz (601k)
ftp://ftp.gnupg.org/gcrypt/libgpg-error/libgpg-error-1.4.tar.gz.sig
or as a patch to upgrade from 1.3:
ftp://ftp.gnupg.org/gcrypt/libgpg-error/libgpg-error-1.3-1.4.diff.bz2 (30k)
It should soon appear on the mirrors listed at:
http://www.gnupg.org/mirrors.html
Bug reports and requests for assistance should be sent to:
gnupg-devel@gnupg.org
The sha1sum checksums for this distibution are
a1f42d6b8d795d657a1f592138a14991f5aeeb85 libgpg-error-1.4.tar.gz
6e6f701541e1ecf0a8e438b5b3d26ef05f6b1ffb libgpg-error-1.4.tar.bz2
b565cf7de380e2ade046ddebdb2c8d3a0e1cf75e libgpg-error-1.3-1.4.diff.bz2
Noteworthy changes in version 1.4 (2006-09-14)
----------------------------------------------
* Support for Common Lisp is included.
* New error codes for the Assuan IPC library.
* New error code GPG_ERR_MISSING_ERRNO to be used in cases when a
system accidently does not set errno but a system error definitely
occured.
* New error source GPG_ERR_SOURCE_ANY to allow proper use of
libgpg-error even if a specific source is not available.
* New convenience functions gpg_err_code_from_syserror and
gpg_error_from_syserror which make sure never to return 0.
The new gpg_error_from_syserror is robustness feature useful in cases
where you want to make sure that an error is returned even if
accidently ERRNO has not been set. For example:
void
foo (size_t n)
{
char *p = my_malloc (n);
if (!p)
return gpg_error_from_errno (errno);
bar (p, n);
free (p);
return 0; /* Success. */
}
With a faulty my_malloc which does not set ERRNO on failure, this code
would falsely return success if my_malloc has failed. Replacing the
test by:
if (!p)
return gpg_error_from_syserror ();
solves the problem as the new function will return
GPG_ERR_MISSING_ERRNO in this case. It has also the advantage of
avoiding the need to include errno.h.
Shalom-Salam,
Werner
p.s.
Commercial support contracts for GnuPG and related software are
available, and they help finance continued maintenance. g10 Code, a
Duesseldorf based company owned and headed by GnuPG's principal
author, is currently funding GnuPG development. We are always looking
for interesting development projects.
--
Werner Koch <wk@gnupg.org>
The GnuPG Experts http://g10code.com
Join the Fellowship and protect your Freedom! http://www.fsfe.org
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