1 files changed, 77 insertions, 0 deletions
diff --git a/src/list.h b/src/list.h
new file mode 100644
index 0000000..c76c255
--- /dev/null
+++ b/src/list.h
@@ -0,0 +1,77 @@
+/*
+ *	Ivy, C interface
+ *
+ *	Copyright (C) 1997-2000
+ *	Centre d'Études de la Navigation Aérienne
+ *
+ * 	Simple lists in C
+ *
+ *	Authors: François-Régis Colin <fcolin@cena.dgac.fr>
+ *
+ *	$Id: list.h,v 1.2 2007/06/07 14:59:13 saal Exp $
+ * 
+ *	Please refer to file version.h for the
+ *	copyright notice regarding this software
+ */
+#if (__GNUC__ >= 3)
+#define TYPEOF(p) typeof (p)
+#else
+#define  TYPEOF(p) void *
+#endif
+
+#define IVY_LIST_ITER( list, p, cond ) \
+	p = list; \
+	while ( p && (cond) ) p = p->next 
+
+
+
+#define IVY_LIST_REMOVE( list, p ) \
+	{ \
+	TYPEOF(p)  toRemove; \
+	if ( list == p ) \
+		{ \
+		list = p->next; \
+		free(p);\
+		} \
+		else \
+		{\
+		toRemove = p;\
+		IVY_LIST_ITER( list, p, ( p->next != toRemove ));\
+		if ( p )\
+			{\
+			/* somme tricky swapping to use a untyped variable */\
+			TYPEOF(p) suiv; \
+			TYPEOF(p) prec = p;\
+			p = toRemove;\
+			suiv = p->next;\
+			p = prec;\
+			p->next = suiv;\
+			free(toRemove);\
+			}\
+		} \
+	}
+
+#define IVY_LIST_ADD(list, p ) \
+	if ( p = (TYPEOF(p)) (malloc( sizeof( *p ))))\
+		{ \
+		memset( p, 0 , sizeof( *p ));\
+		p->next = list; \
+		list = p; \
+		} 
+
+#define IVY_LIST_EACH( list, p ) \
+	for ( p = list ; p ; p = p -> next )
+
+#define IVY_LIST_EACH_SAFE( list, p, next )\
+for ( p = list ; (next = p ? p->next: p ),p ; p = next )
+
+#define IVY_LIST_EMPTY( list ) \
+	{ \
+	TYPEOF(list) p; \
+	while( list ) \
+		{ \
+		p = list;\
+		list = list->next; \
+		free(p);\
+		} \
+	}