remove the bsearch from interface selection. The amount of interfaces is very limited and there is no benefit compared to a direct iteration

include/tr/interface.h

@@ -88,7 +88,7 @@
  * \see TR_CREATE_CLASS
  */
 #define TR_INIT_IFACE_IMPL(...) \
-	{TR_IFACE_NUMARGS(__VA_ARGS__), 0, {__VA_ARGS__}}
+	{TR_IFACE_NUMARGS(__VA_ARGS__), {__VA_ARGS__}}
 
 /**
  * The interface implementations for a class.
@@ -99,16 +99,6 @@
 struct TR_iface_impl {
 	/** the number of interface implementations */
 	const size_t nimpl;
-	/**
-	 * This indicates if impls was sorted. The first time it
-	 * will be accessed via TR_interfaceGet, This array will
-	 * be sorted with quicksort to make subsequent interface
-	 * searches faster. After it was sorted this flag will be set
-	 * to true,
-	 *
-	 * \see TR_interfaceGet
-	 */
-	char         simpl;
 	/** Array to hold the used interface implementations. */
 	const void * impl[TR_MAX_IFACE];
 };

src/interface.c

@@ -27,46 +27,24 @@
 #include "tr/interface.h"
 #include "tr/commons.h"
 
-/**
- * Compare interfaces.
- * Used with bsearch on the interfaces.
- */
-static
-inline
-int
-comp(const void * _a, const void * _b)
-{
-	const struct interface * a = **(const struct interface ***)_a;
-	const struct interface * b = **(const struct interface ***)_b;
-    return ((a)<(b))? -1 : ((a)>(b))? 1 : 0;
-}
-
 /**
  * Get a specific interface implementation from the interface
  * implementation from a class.
  */
 TR_iface_ptr
-TR_interfaceGet(TR_iface_impl_ptr iface_impl, const TR_iface_ptr _iface)
+TR_interfaceGet(TR_iface_impl_ptr iface_impl, const TR_iface_ptr iface)
 {
-	const TR_iface_ptr * iface = &_iface;
-	TR_iface_ptr *       found;
+	TR_iface_ptr found = (TR_iface_ptr)NULL;
+	size_t       i;
 
-    if (! iface_impl->simpl) {
-        qsort(
-				(void**)(iface_impl->impl),
-				iface_impl->nimpl,
-				sizeof(TR_iface_ptr), comp);
-        iface_impl->simpl=TRUE;
+	for (i = 0; i < iface_impl->nimpl; i++) {
+		if (*(TR_iface_ptr *)(iface_impl->impl[i]) == iface) {
+			found = iface_impl->impl[i];
+			break;
+		}
 	}
 
-    found = bsearch(
-			&iface,
-			iface_impl->impl,
-			iface_impl->nimpl,
-			sizeof(TR_iface_ptr),
-			comp);
-
-	return found? *found : (TR_iface_ptr)NULL;
+	return found;
 }
 
 // vim: set ts=4 sw=4: