pathplan make_polyline: fix unchecked allocation failure

diff --git a/lib/pathplan/util.c b/lib/pathplan/util.c
index 19b5631460369816de5b0ff1059c3fda0bfd16de..c70db211631f92e5acedfdf27677bd950c350aef 100644 (file)
--- a/lib/pathplan/util.c
+++ b/lib/pathplan/util.c
@@ -10,11 +10,10 @@
 
 
 #include <assert.h>
+#include <cgraph/alloc.h>
 #include <stdlib.h>
 #include <pathplan/pathutil.h>
 
-#define ALLOC(size,ptr,type) realloc(ptr,(size)*sizeof(type))
-
 void freePath(Ppolyline_t* p)
 {
     free(p->ps);
@@ -63,7 +62,7 @@ make_polyline(Ppolyline_t line, Ppolyline_t* sline)
     int npts = 4 + 3*(line.pn-2);
 
     if (npts > isz) {
-       ispline = ALLOC((size_t)npts, ispline, Ppoint_t);
+       ispline = gv_recalloc(ispline, (size_t)isz, (size_t)npts, sizeof(Ppoint_t));
        isz = npts;
     }