fix "function declaration isn't a prototype" warnings from -Wstrict-prototypes

    mostly by using (void) instead of () for functions with empty parameter lists.

diff --git a/lib/neatogen/heap.h b/lib/neatogen/heap.h
index 27319cc615ae092c0207cb0749c872985dff2163..2dd2cf5751c5732b4e4d17a1b1838c00ddab8b53 100644 (file)
--- a/lib/neatogen/heap.h
+++ b/lib/neatogen/heap.h
@@ -25,11 +25,11 @@ extern "C" {
 
 #include "hedges.h"
 
-    extern void PQinitialize();
-    extern void PQcleanup();
-    extern Halfedge *PQextractmin();
-    extern Point PQ_min();
-    extern int PQempty();
+    extern void PQinitialize(void);
+    extern void PQcleanup(void);
+    extern Halfedge *PQextractmin(void);
+    extern Point PQ_min(void);
+    extern int PQempty(void);
     extern void PQdelete(Halfedge *);
     extern void PQinsert(Halfedge *, Site *, double);
 

diff --git a/lib/neatogen/hedges.h b/lib/neatogen/hedges.h
index b7d69b72a4299dff9f31d059777b0a8db6dec616..9c856432e6b2416bfa45b9b948ecda82c5904057 100644 (file)
--- a/lib/neatogen/hedges.h
+++ b/lib/neatogen/hedges.h
@@ -38,8 +38,8 @@ extern "C" {
 
     extern Halfedge *ELleftend, *ELrightend;
 
-    extern void ELinitialize();
-    extern void ELcleanup();
+    extern void ELinitialize(void);
+    extern void ELcleanup(void);
     extern int right_of(Halfedge *, Point *);
     extern Site *hintersect(Halfedge *, Halfedge *);
     extern Halfedge *HEcreate(Edge *, char);