alloc: first cut of tiny allocator (down to 2 bytes!)

[ccan] / ccan / alloc / bitops.h

diff --git a/ccan/alloc/bitops.h b/ccan/alloc/bitops.h
new file mode 100644 (file)
index 0000000..11ec950
--- /dev/null
+++ b/ccan/alloc/bitops.h
@@ -0,0 +1,7 @@
+#ifndef CCAN_ALLOC_BITOPS_H
+#define CCAN_ALLOC_BITOPS_H
+unsigned int fls(unsigned long val);
+unsigned int ffsl(unsigned long val);
+unsigned int popcount(unsigned long val);
+unsigned long align_up(unsigned long x, unsigned long align);
+#endif /* CCAN_ALLOC_BITOPS_H */