/* GNU Guix --- Functional package management for GNU
   Copyright (C) 2012, 2013  Ludovic Courtès <ludo@gnu.org>

   This file is part of GNU Guix.

   GNU Guix is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or (at
   your option) any later version.

   GNU Guix is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.  */

/* An OpenSSL-like interface to GNU libgcrypt cryptographic hash
   functions.  */

#pragma once
#include <gcrypt.h>
#include <unistd.h>

struct guix_hash_context
{
  /* This copy constructor is needed in 'HashSink::currentHash()' where we
     expect the copy of a 'Ctx' object to yield a truly different context.  */
  guix_hash_context (guix_hash_context &ref)
  {
    if (ref.md_handle == NULL)
      md_handle = NULL;
    else
      gcry_md_copy (&md_handle, ref.md_handle);
  }

  /* Make sure 'md_handle' is always initialized.  */
  guix_hash_context (): md_handle (NULL) { };

  gcry_md_hd_t md_handle;
};

extern "C" {
extern void guix_hash_init (struct guix_hash_context *ctx, int algo);
extern void guix_hash_update (struct guix_hash_context *ctx, const void *buffer,
			      size_t len);
extern void guix_hash_final (void *resbuf, struct guix_hash_context *ctx,
			     int algo);
}
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<div class='path'>path: <a href='/guix/log/?id=a8f1f11d5b969f7731ba88a2c0e9ff00bb8646b4'>root</a>/<a href='/guix/log/build-aux?id=a8f1f11d5b969f7731ba88a2c0e9ff00bb8646b4'>build-aux</a>/<a href='/guix/log/build-aux/xgettext.scm?id=a8f1f11d5b969f7731ba88a2c0e9ff00bb8646b4'>xgettext.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/build-aux/xgettext.scm?id=a8f1f11d5b969f7731ba88a2c0e9ff00bb8646b4&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2024-04-19 16:45:41 +0200'>2024-04-19</span></td><td><a href='/guix/commit/build-aux/xgettext.scm?id=f83b5274c8d67a9bccf8881cc4f87d76a3d172de'>maint: Support `make doc-pot-update' from a tarball.</a><span class='msg-avail'>...<span class='msg-tooltip'>* build-aux/xgettext.scm: Move setting of environment variables to shell
header.
(main): Use SOURCE_DATE_EPOCH as fallback for timestamp.  This fixes running
from a tarball.
* Makefile.am (EXTRA_DIST): Add it.

Change-Id: Ic487587b22495868fd2a21545a13dc9e3458299c
</span></span></td><td>Janneke Nieuwenhuizen</td></tr>
<tr><td><span title='2024-04-14 11:41:41 +0200'>2024-04-14</span></td><td><a href='/guix/commit/build-aux/xgettext.scm?id=e5dda412c2e28fb65a549824f492895e72c33813'>maint: Fix header.</a><span class='msg-avail'>...<span class='msg-tooltip'>* build-aux/xgettext.scm: Add `Guix' parts to header.

Change-Id: I4fb03b8b0588f0482bcb1a095518b6751d111031
</span></span></td><td>Janneke Nieuwenhuizen</td></tr>
<tr><td><span title='2024-04-14 10:29:11 +0200'>2024-04-14</span></td><td><a href='/guix/commit/build-aux/xgettext.scm?id=6c63c366776643e5831c50a2b7e29bad93273327'>maint: Use xgettext.scm wrapper to create .PO files reproducibly.</a><span class='msg-avail'>...<span class='msg-tooltip'>* build-aux/xgettext.scm: New script.
* po/guix/Makevars (XGETTEXT): Set it.
(XGETTEXT_OPTIONS): Add --xgettext option to `real' xgettext.
* po/packages/Makevars (XGETTEXT): Set it.
(XGETTEXT_OPTIONS): Add --xgettext option to `real' xgettext.

Change-Id: I71b6b843970090f765f46ac346b92a346560e3f0
</span></span></td><td>Janneke Nieuwenhuizen</td></tr>