bfs: extract allocation out of eina_graph_bfs_new()

1 files changed, 31 insertions, 20 deletions

diff --git a/src/lib/eina_graph_bfs.c b/src/lib/eina_graph_bfs.c
index 2632c4a..12fa0ad 100644
--- a/src/lib/eina_graph_bfs.c
+++ b/src/lib/eina_graph_bfs.c
@@ -33,8 +33,33 @@
 #include <eina_graph_bfs.h>
 #include "eina_graph_private.h"
 
+static Eina_Graph_BFS *
+_eina_graph_bfs_allocate(_Eina_Graph *_g, unsigned int s)
+{
+   _Eina_Graph_BFS *_bfs;
+
+   _bfs = calloc(1, sizeof(_Eina_Graph_BFS));
+   if (!_bfs)
+     goto error_bfs;
+
+   _bfs->data = calloc(_g->vertices, sizeof(_Eina_Graph_BFS_Data));
+   if (!_bfs->data)
+     goto error_data;
+
+   _bfs->s = s;
+   _bfs->vertices = _g->vertices;
+
+   return (Eina_Graph_BFS *) _bfs;
+
+error_data:
+   free(_bfs);
+error_bfs:
+   ERR("calloc failed : %s", strerror(errno));
+   return NULL;
+}
+
 static void
-_eina_graph_bfs_fwalk(_Eina_Graph *_g, _Eina_Graph_BFS *_bfs, unsigned int v)
+_eina_graph_bfs_walk(_Eina_Graph *_g, _Eina_Graph_BFS *_bfs, unsigned int v)
 {
    Eina_List *fifo = NULL;
    Eina_Array *adjs;
@@ -78,29 +103,15 @@ _eina_graph_bfs_fwalk(_Eina_Graph *_g, _Eina_Graph_BFS *_bfs, unsigned int v)
 EAPI Eina_Graph_BFS *
 eina_graph_bfs_new(Eina_Graph *g, unsigned int s)
 {
-   _Eina_Graph_BFS *_bfs;
+   Eina_Graph_BFS *bfs;
    _Eina_Graph * _g = (_Eina_Graph *) g;
 
-   _bfs = calloc(1, sizeof(_Eina_Graph_BFS));
-   if (!_bfs)
-     goto error_bfs;
-
-   _bfs->data = calloc(_g->vertices, sizeof(_Eina_Graph_BFS_Data));
-   if (!_bfs->data)
-     goto error_data;
-
-   _bfs->s = s;
-   _bfs->vertices = _g->vertices;
+   bfs = _eina_graph_bfs_allocate(_g, s);
+   if (!bfs) return NULL;
 
-   _eina_graph_bfs_fwalk(_g, _bfs, s);
-
-   return (Eina_Graph_BFS *) _bfs;
+   _eina_graph_bfs_walk(_g, (_Eina_Graph_BFS *)bfs, s);
 
-error_data:
-   free(_bfs);
-error_bfs:
-   ERR("calloc failed : %s", strerror(errno));
-   return NULL;
+   return bfs;
 }
 
 EAPI void