Imported Upstream version 2.22upstream/2.22upstream

1 files changed, 25 insertions, 0 deletions

diff --git a/lib/linux_version.c b/lib/linux_version.c
new file mode 100644
index 0000000..2bcc2cc
--- /dev/null
+++ b/lib/linux_version.c
@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <sys/utsname.h>
+
+#include "linux_version.h"
+
+int get_linux_version (void)
+{
+	static int kver = -1;
+	struct utsname uts;
+	int major = 0;
+	int minor = 0;
+	int teeny = 0;
+	int n;
+
+	if (kver != -1)
+		return kver;
+	if (uname (&uts))
+		return kver = 0;
+
+	n = sscanf(uts.release, "%d.%d.%d", &major, &minor, &teeny);
+	if (n < 1 || n > 3)
+		return kver = 0;
+
+	return kver = KERNEL_VERSION(major, minor, teeny);
+}