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-rw-r--r--bin/tests/system/rndc/gencheck.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/bin/tests/system/rndc/gencheck.c b/bin/tests/system/rndc/gencheck.c
new file mode 100644
index 0000000..7949b66
--- /dev/null
+++ b/bin/tests/system/rndc/gencheck.c
@@ -0,0 +1,90 @@
+/*
+ * 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 <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <isc/print.h>
+
+#define USAGE "usage: gencheck <filename>\n"
+
+static int
+check(const char *buf, ssize_t count, size_t *start) {
+ const char chars[] = "abcdefghijklmnopqrstuvwxyz0123456789";
+ ssize_t i;
+
+ for (i = 0; i < count; i++, *start = (*start + 1) % (sizeof(chars) - 1))
+ {
+ /* Just ignore the trailing newline */
+ if (buf[i] == '\n') {
+ continue;
+ }
+ if (buf[i] != chars[*start]) {
+ return (0);
+ }
+ }
+
+ return (1);
+}
+
+int
+main(int argc, char **argv) {
+ int ret;
+ int fd;
+ ssize_t count;
+ char buf[1024];
+ size_t start;
+ size_t length;
+
+ ret = EXIT_FAILURE;
+ fd = -1;
+ length = 0;
+
+ if (argc != 2) {
+ fprintf(stderr, USAGE);
+ goto out;
+ }
+
+ fd = open(argv[1], O_RDONLY);
+ if (fd == -1) {
+ goto out;
+ }
+
+ start = 0;
+ while ((count = read(fd, buf, sizeof(buf))) != 0) {
+ if (count < 0) {
+ goto out;
+ }
+
+ if (!check(buf, count, &start)) {
+ goto out;
+ }
+
+ length += count;
+ }
+
+ ret = EXIT_SUCCESS;
+
+out:
+ printf("%lu\n", (unsigned long)length);
+
+ if (fd != -1) {
+ close(fd);
+ }
+
+ return (ret);
+}