lib: define ULONG_WIDTH if non-existent

Signed-off-by: Alejandro Colomar <alx@kernel.org>
Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>

diff --git a/lib/bit.h b/lib/bit.h
index 076e01a092b1380cff87c58268416de668516214..d5b94dae6a58ea24d6b93cf13b6b1ddb4da47866 100644 (file)
--- a/lib/bit.h
+++ b/lib/bit.h
@@ -14,6 +14,11 @@
 #include <limits.h>
 
 
+#ifndef ULONG_WIDTH
+#define ULONG_WIDTH (sizeof(unsigned long) * CHAR_BIT)
+#endif
+
+
 inline unsigned long bit_ceilul(unsigned long x);
 inline unsigned long bit_ceil_wrapul(unsigned long x);
 inline int leading_zerosul(unsigned long x);