1 files changed, 56 insertions, 0 deletions
diff --git a/util/byteorder.c b/util/byteorder.c
new file mode 100644
index 0000000..188536f
--- /dev/null
+++ b/util/byteorder.c
@@ -0,0 +1,56 @@
+/*
+ * This works on:
+ *   Crays
+ *   Conven
+ *   sparc's
+ *   Dec mip machines
+ *   Dec alpha machines
+ *   RS6000
+ *   SGI's
+ */
+
+#include <stdio.h>
+
+int
+main(
+	int argc,
+	char *argv[]
+	)
+{
+	int i;
+	int big;
+	union {
+		unsigned long l;
+		char c[sizeof(long)];
+	} u;
+
+#if defined(LONG8)
+	u.l = (((long)0x08070605) << 32) | (long)0x04030201;
+#else
+	u.l = 0x04030201;
+#endif
+	if (sizeof(long) > 4) {
+		if (u.c[0] == 0x08) big = 1;
+		else		    big = 0;
+	} else {
+		if (u.c[0] == 0x04) big = 1;
+		else		    big = 0;
+	}
+	for (i=0; i< sizeof(long); i++) {
+		if (big == 1 && (u.c[i] == (sizeof(long) - i))) { 
+			continue; 
+		} else if (big == 0 && (u.c[i] == (i+1))) {
+			continue;
+		} else {
+			big = -1;
+			break;
+		}
+	}
+
+	if (big == 1) {
+		printf("XNTP_BIG_ENDIAN\n");
+	} else if (big == 0) {
+		printf("XNTP_LITTLE_ENDIAN\n");
+	}
+	exit(0);
+}