added safemode

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8718 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/bin/Jamfile

@@ -23,6 +23,7 @@ StdBinCommands
 	renice.c
 	rescan.c
 	rmattr.cpp
+	safemode.c
 	sleep.cpp
 	sysinfo.c
 	unchop.c

src/apps/bin/safemode.c

@@ -0,0 +1,32 @@
+/* safemode.c - tells if safemode is active
+ * (c) 2004, Jérôme DUVAL for Haiku
+ * released under the MIT licence.
+ *
+ * ChangeLog:
+ * 08-29-2004 v1.0
+ *  Initial.
+ * 
+ * safemode
+ */
+
+#include <stdio.h>
+#include <strings.h>
+#include <SupportDefs.h>
+
+// i don't know the exact signature but this one works
+extern status_t _kget_safemode_option_(char* name, uint8 *p1, uint32 *p2);
+
+int main(int argc, char **argv)
+{
+	uint8 p1;
+	uint32 p2 = 1;
+	status_t err;
+	
+	err = _kget_safemode_option_("safemode", &p1, &p2);
+	if (err == B_OK) {
+		printf("yes\n");
+	} else
+		printf("no\n");
+	return 0;
+}
+