From 3492219e211678c56b48d3f544cb0c0da9d606a0 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 7 Sep 2011 09:15:42 +0200
Subject: move some code to utils.[ch]

---
 utils.h | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 utils.h

(limited to 'utils.h')

diff --git a/utils.h b/utils.h
new file mode 100644
index 0000000..09df8c6
--- /dev/null
+++ b/utils.h
@@ -0,0 +1,51 @@
+#ifndef __NETIFD_UTILS_H
+#define __NETIFD_UTILS_H
+
+#include <libubox/list.h>
+
+#ifdef DEBUG
+#define DPRINTF(format, ...) fprintf(stderr, "%s(%d): " format, __func__, __LINE__, ## __VA_ARGS__)
+#else
+#define DPRINTF(format, ...) no_debug(format, ## __VA_ARGS__)
+#endif
+
+static inline void no_debug(const char *fmt, ...)
+{
+}
+
+#define __init __attribute__((constructor))
+
+#ifdef __linux__
+static inline int fls(int x)
+{
+    int r = 32;
+
+    if (!x)
+        return 0;
+    if (!(x & 0xffff0000u)) {
+        x <<= 16;
+        r -= 16;
+    }
+    if (!(x & 0xff000000u)) {
+        x <<= 8;
+        r -= 8;
+    }
+    if (!(x & 0xf0000000u)) {
+        x <<= 4;
+        r -= 4;
+    }
+    if (!(x & 0xc0000000u)) {
+        x <<= 2;
+        r -= 2;
+    }
+    if (!(x & 0x80000000u)) {
+        x <<= 1;
+        r -= 1;
+    }
+    return r;
+}
+#endif
+
+int avl_strcmp(const void *k1, const void *k2, void *ptr);
+
+#endif
-- 
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