/* 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=28ba48959cb7ad384d958cf606d29a54f0bcdfd9'>root</a>/<a href='/guix/log/tests?id=28ba48959cb7ad384d958cf606d29a54f0bcdfd9'>tests</a>/<a href='/guix/log/tests/import-utils.scm?id=28ba48959cb7ad384d958cf606d29a54f0bcdfd9'>import-utils.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/tests/import-utils.scm?id=28ba48959cb7ad384d958cf606d29a54f0bcdfd9&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-12-27 12:06:49 +0100'>2020-12-27</span></td><td><a href='/guix/commit/tests/import-utils.scm?id=5aae614868b8a7e3097ae70f6024352aa5c8de21'>import/utils: alist-&gt;package: Handle SPDX license names only as fallback.</a><span class='msg-avail'>...</span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2020-12-02 22:09:23 +0100'>2020-12-02</span></td><td><a href='/guix/commit/tests/import-utils.scm?id=bea3b17739fc591b8cf6db1f8d28a6f6c9585577'>import: utils: 'recursive-import' accepts an optional version parameter.</a><span class='msg-avail'>...</span></td><td>Martin Becze</td></tr>
<tr><td><span title='2019-12-11 12:13:03 +0100'>2019-12-11</span></td><td><a href='/guix/commit/tests/import-utils.scm?id=70a8e13277d4a44b89dd9ee2290b98105f0235f1'>import: utils: 'recursive-import' returns a list rather than a stream.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-12-11 12:12:58 +0100'>2019-12-11</span></td><td><a href='/guix/commit/tests/import-utils.scm?id=ddd59159004ca73c9449a27945116ff5069c3743'>import: utils: 'recursive-import' returns packages in topological order.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-07-25 00:16:41 +0200'>2019-07-25</span></td><td><a href='/guix/commit/tests/import-utils.scm?id=81c3dc32244a17241d74eea9fa265edfcb326f6d'>maint: Switch to Guile-JSON 3.x.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>