add DPRINTF type checking for no-debug builds

[project/netifd.git] / netifd.h

diff --git a/netifd.h b/netifd.h
index b70b73c..1559c50 100644 (file)
--- a/netifd.h
+++ b/netifd.h
@@ -16,9 +16,13 @@
 #ifdef DEBUG
 #define DPRINTF(format, ...) fprintf(stderr, "%s(%d): " format, __func__, __LINE__, ## __VA_ARGS__)
 #else
-#define DPRINTF(...) do {} while(0)
+#define DPRINTF(format, ...) no_debug(format, ## __VA_ARGS__)
 #endif
 
+static inline void no_debug(const char *fmt, ...)
+{
+}
+
 #define __init __attribute__((constructor))
 
 struct device;
@@ -30,4 +34,35 @@ extern bool config_init;
 int avl_strcmp(const void *k1, const void *k2, void *ptr);
 void config_init_interfaces(const char *name);
 
+#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
+
 #endif