From 5b9403a68f5e48312265cdc5d34c703a5cc7bd73 Mon Sep 17 00:00:00 2001
From: Karel Zak
Date: Mon, 2 Jan 2017 11:36:53 +0100
Subject: lib/linux_version: add test for manual testing

Signed-off-by: Karel Zak <kzak@redhat.com>
---
 lib/linux_version.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

(limited to 'lib/linux_version.c')

diff --git a/lib/linux_version.c b/lib/linux_version.c
index c7f3d9e21..7174a24f1 100644
--- a/lib/linux_version.c
+++ b/lib/linux_version.c
@@ -22,3 +22,50 @@ int get_linux_version (void)
 
 	return kver = KERNEL_VERSION(x, y, z);
 }
+
+#ifdef TEST_PROGRAM
+# include <stdlib.h>
+	int main(int argc, char *argv[])
+	{
+		int rc = EXIT_FAILURE;
+
+		if (argc == 1) {
+			printf("Linux version: %d\n", get_linux_version());
+			rc = EXIT_SUCCESS;
+
+		} else if (argc == 5) {
+			const char *oper = argv[1];
+
+			int x = atoi(argv[2]),
+			    y = atoi(argv[3]),
+			    z = atoi(argv[4]);
+			int kver = get_linux_version();
+			int uver = KERNEL_VERSION(x, y, z);
+
+			if (strcmp(oper, "==") == 0)
+				rc = kver == uver;
+			else if (strcmp(oper, "<=") == 0)
+				rc = kver <= uver;
+			else if (strcmp(oper, ">=") == 0)
+				rc = kver >= uver;
+			else
+				errx(EXIT_FAILURE, "unsupported operator");
+
+			if (rc)
+				printf("match\n");
+			else
+				printf("not-match [%d %s %d, x.y.z: %d.%d.%d]\n",
+						kver, oper, uver, x, y, z);
+
+			rc = rc ? EXIT_SUCCESS : EXIT_FAILURE;
+
+		} else
+			 fprintf(stderr, "Usage:\n"
+					 "   %s [<oper> <x> <y> <z>]\n"
+					 "supported operators:\n"
+					 "   ==, <=, >=\n",
+					 program_invocation_short_name);
+
+		return rc;
+	}
+#endif
-- 
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