add env script, and (stupid) draft tests

scripts/env.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+#
+# env.sh - set environment for brchess developer.
+#
+# Copyright (C) 2023 Bruno Raoult ("br")
+# Licensed under the GNU General Public License v3.0 or later.
+# Some rights reserved. See COPYING.
+#
+# You should have received a copy of the GNU General Public License along with this
+# program. If not, see <https://www.gnu.org/licenses/gpl-3.0-standalone.html>.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later <https://spdx.org/licenses/GPL-3.0-or-later.html>
+#
+# USAGE: source env.sh [arg]
+#
+# This file will actually be sourced if it was never sourced in current bash
+# environment.
+
+if [[ ! -v _BRLIB_ENV_ ]]; then
+    export _BRLIB_ENV_=1 BRLIB_ROOT LD_LIBRARY_PATH
+    BRLIB_SCRIPTDIR=$(realpath -L "$(dirname "${BASH_SOURCE[0]}")")
+    BRLIB_ROOT=$(realpath -L "$(dirname "${BASH_SOURCE[0]}")/..")
+    BRLIB_LIBDIR="$BRLIB_ROOT/lib"
+    BRLIB_BINDIR="$BRLIB_ROOT/bin"
+    LD_LIBRARY_PATH="${BRLIB_LIBDIR}${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}"
+    PATH="$PATH:$BRLIB_BINDIR:$BRLIB_SCRIPTDIR"
+    #printf "R=%s L=%s LD=%s\n" "$BRLIB_ROOT" "$BRLIB_DIR" "$LD_LIBRARY_PATH"
+    unset BRLIB_LIBDIR BRLIB_BINDIR BRLIB_SCRIPTDIR
+    printf "brlib environment complete.\n"
+fi

test/bitops-test.c

@@ -0,0 +1,46 @@
+/* bits.c - bitops testing.
+ *
+ * Copyright (C) 2024 Bruno Raoult ("br")
+ * Licensed under the GNU General Public License v3.0 or later.
+ * Some rights reserved. See COPYING.
+ *
+ * You should have received a copy of the GNU General Public License along with this
+ * program. If not, see <https://www.gnu.org/licenses/gpl-3.0-standalone.html>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later <https://spdx.org/licenses/GPL-3.0-or-later.html>
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "br.h"
+#include "bitops.h"
+// #include "cutest/CuTest.h"
+
+static void test_popcount()
+{
+    u32 t32[] = { 0x0,   0x88000101,           0xffffffff           };
+    u64 t64[] = { 0x0ll, 0x8880000000000101LL, 0xffffffffffffffffll };
+
+    for (uint i = 0; i < sizeof(t32); ++i) {
+        printf("popcount 32 (%#x): ", t32[i]);
+#       ifdef ___popcount32_native
+        printf("native:%d ", ___popcount32_native(t32[i]));
+#       endif
+        printf("emulated:%d\n", ___popcount_emulated(t32[i]));
+    }
+    for (uint i = 0; i < sizeof(t64); ++i) {
+        printf("popcount 64 (%#lx): ", t64[i]);
+#       ifdef ___popcount64_native
+        printf("native:%d ", ___popcount64_native(t64[i]));
+#       endif
+        printf("emulated:%d\n", ___popcount_emulated(t64[i]));
+    }
+}
+
+int main()
+{
+    test_popcount();
+    exit(0);
+}

test/pool-test.c

@@ -1,6 +1,9 @@
 #include <stdio.h>
-#include "bits.h"
+#include <stdlib.h>
+
+#include "br.h"
 #include "pool.h"
+#include "debug.h"
 
 struct d {
     u16 data1;
@@ -19,7 +22,7 @@ int main(int ac, char**av)
     char ccur='z';
     struct d *elt;
 
-    debug_init(3);
+    debug_init(3, stderr, true);
     log_f(1, "%s: sizeof(d)=%lu sizeof(*d)=%lu off=%lu\n", *av, sizeof(elt),
           sizeof(*elt), offsetof(struct d, list));