1 files changed, 122 insertions, 0 deletions
diff --git a/bin/tests/optional/sym_test.c b/bin/tests/optional/sym_test.c
new file mode 100644
index 0000000..81e2916
--- /dev/null
+++ b/bin/tests/optional/sym_test.c
@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0.  If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <stdbool.h>
+#include <string.h>
+
+#include <isc/commandline.h>
+#include <isc/mem.h>
+#include <isc/print.h>
+#include <isc/symtab.h>
+#include <isc/util.h>
+
+isc_mem_t *mctx;
+isc_symtab_t *st;
+
+static void
+undefine_action(char *key, unsigned int type, isc_symvalue_t value, void *arg) {
+	UNUSED(arg);
+
+	INSIST(type == 1);
+	isc_mem_free(mctx, key);
+	isc_mem_free(mctx, value.as_pointer);
+}
+
+int
+main(int argc, char *argv[]) {
+	char s[1000], *cp, *key;
+	size_t len;
+	isc_result_t result;
+	isc_symvalue_t value;
+	int trace = 0;
+	int c;
+	isc_symexists_t exists_policy = isc_symexists_reject;
+	bool case_sensitive = false;
+
+	while ((c = isc_commandline_parse(argc, argv, "tarc")) != -1) {
+		switch (c) {
+		case 't':
+			trace = 1;
+			break;
+		case 'a':
+			exists_policy = isc_symexists_add;
+			break;
+		case 'r':
+			exists_policy = isc_symexists_replace;
+			break;
+		case 'c':
+			case_sensitive = true;
+			break;
+		}
+	}
+
+	isc_mem_create(&mctx);
+	RUNTIME_CHECK(isc_symtab_create(mctx, 691, undefine_action, NULL,
+					case_sensitive, &st) == ISC_R_SUCCESS);
+
+	while (fgets(s, sizeof(s), stdin) != NULL) {
+		len = strlen(s);
+		if (len > 0U && s[len - 1] == '\n') {
+			s[len - 1] = '\0';
+			len--;
+		}
+
+		cp = s;
+
+		if (cp[0] == '!') {
+			cp++;
+			result = isc_symtab_undefine(st, cp, 1);
+			if (trace || result != ISC_R_SUCCESS) {
+				printf("undefine('%s'): %s\n", cp,
+				       isc_result_totext(result));
+			}
+		} else {
+			key = cp;
+			while (*cp != '\0' && *cp != ' ' && *cp != '\t') {
+				cp++;
+			}
+			if (*cp == '\0') {
+				result = isc_symtab_lookup(st, key, 0, &value);
+				if (trace || result != ISC_R_SUCCESS) {
+					printf("lookup('%s'): %s", key,
+					       isc_result_totext(result));
+					if (result == ISC_R_SUCCESS) {
+						cp = value.as_pointer;
+						printf(", value == '%s'", cp);
+					}
+					printf("\n");
+				}
+			} else {
+				*cp++ = '\0';
+				key = isc_mem_strdup(mctx, key);
+				value.as_pointer = isc_mem_strdup(mctx, cp);
+				result = isc_symtab_define(st, key, 1, value,
+							   exists_policy);
+				if (trace || result != ISC_R_SUCCESS) {
+					printf("define('%s', '%s'): %s\n", key,
+					       cp, isc_result_totext(result));
+					if (result != ISC_R_SUCCESS) {
+						undefine_action(key, 1, value,
+								NULL);
+					}
+				}
+			}
+		}
+	}
+
+	isc_symtab_destroy(&st);
+	isc_mem_stats(mctx, stdout);
+	isc_mem_destroy(&mctx);
+
+	return (0);
+}