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https://github.com/ostreedev/ostree.git
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71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/*
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* Copyright (C) 2013 Colin Walters <walters@verbum.org>
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*
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* SPDX-License-Identifier: LGPL-2.0+
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "ostree-rollsum.h"
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#include "libglnx.h"
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int
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main (int argc, char **argv)
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{
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g_autoptr (GError) local_error = NULL;
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GError **error = &local_error;
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GBytes *from_bytes = NULL;
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GBytes *to_bytes = NULL;
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const char *from_path;
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const char *to_path;
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OstreeRollsumMatches *matches;
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GMappedFile *mfile;
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gboolean is_ok = g_setenv ("GIO_USE_VFS", "local", TRUE);
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g_assert (is_ok == TRUE);
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if (argc < 3)
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return 1;
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from_path = argv[1];
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to_path = argv[2];
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mfile = g_mapped_file_new (from_path, FALSE, error);
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if (!mfile)
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goto out;
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from_bytes = g_mapped_file_get_bytes (mfile);
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g_mapped_file_unref (mfile);
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mfile = g_mapped_file_new (to_path, FALSE, error);
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if (!mfile)
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goto out;
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to_bytes = g_mapped_file_get_bytes (mfile);
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g_mapped_file_unref (mfile);
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matches = _ostree_compute_rollsum_matches (from_bytes, to_bytes);
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g_printerr ("rollsum crcs=%u bufs=%u total=%u matchsize=%llu\n", matches->crcmatches,
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matches->bufmatches, matches->total, (unsigned long long)matches->match_size);
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out:
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if (local_error)
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{
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g_printerr ("%s\n", local_error->message);
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return 1;
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}
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return 0;
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}
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