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-rw-r--r--gnulib-tests/bench-digest.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/gnulib-tests/bench-digest.h b/gnulib-tests/bench-digest.h
new file mode 100644
index 0000000..95d7300
--- /dev/null
+++ b/gnulib-tests/bench-digest.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2018-2023 Free Software Foundation, Inc.
+ *
+ * This program 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.
+ *
+ * This program 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 this program. If not, see <https://www.gnu.org/licenses/>. */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "bench.h"
+
+int
+main (int argc, char *argv[])
+{
+ if (argc != 3)
+ {
+ fprintf (stderr, "Usage: %s SIZE REPETITIONS\n", argv[0]);
+ exit (1);
+ }
+
+ size_t size = atol (argv[1]);
+ int repeat = atoi (argv[2]);
+
+ char *memblock = (char *) malloc (size);
+ if (!memblock)
+ {
+ fprintf (stderr, "%s: memory exhausted\n", argv[0]);
+ return 1;
+ }
+
+ /* Fill the memory block. */
+ {
+ size_t i;
+ for (i = 0; i < size; i++)
+ memblock[i] =
+ (unsigned char) (((i * (i-1) * (i-5)) >> 6) + (i % 499) + (i % 101));
+ }
+
+ struct timings_state ts;
+ timing_start (&ts);
+
+ int count;
+ for (count = 0; count < repeat; count++)
+ {
+ char digest[64];
+ FUNC (memblock, size, digest);
+ }
+
+ timing_end (&ts);
+ timing_output (&ts);
+
+ return 0;
+}