File nauty-uninitialized.diff of Package nauty

From: Jan Engelhardt <jengelh@inai.de>
Date: 2017-09-14 22:15:05.095341778 +0200

patch some real bad code

[   19s] traces.c: In function 'refine_tr_refine':
[   19s] traces.c:5316:12: warning: 'TraceInd' is used uninitialized in this function [-Wuninitialized]
[   19s]      return TraceInd;
[   40s] checks6.c: In function 'seemsbad':
[   40s] checks6.c:124:1: warning: control reaches end of non-void function [-Wreturn-type]
[   40s]  }
---
 checks6.c |    1 +
 traces.c  |    5 ++---
 2 files changed, 3 insertions(+), 3 deletions(-)

Index: nauty26r7/checks6.c
===================================================================
--- nauty26r7.orig/checks6.c
+++ nauty26r7/checks6.c
@@ -121,6 +121,7 @@ seemsbad(char *s)
             else
                 return FALSE;
         }
+        return FALSE;
 }
 
 /***********************************************************************/
Index: nauty26r7/traces.c
===================================================================
--- nauty26r7.orig/traces.c
+++ nauty26r7/traces.c
@@ -253,7 +253,7 @@ static int  traces_refine_sametrace(Cand
                                     struct TracesVars*, struct TracesInfo*);
 static int  traces_refine_refine(sparsegraph*, Candidate*, int, Partition*,
                                  struct TracesVars*, struct TracesInfo*);
-static int  refine_tr_refine(Candidate*, int, Partition*,
+static void refine_tr_refine(Candidate*, int, Partition*,
                              struct TracesVars*, struct TracesInfo*);
 static int given_gens(sparsegraph*, permnode*, int*, boolean);
 static void quickSort(int*, int);
@@ -4717,7 +4717,7 @@ void refine_tr(sparsegraph *sg, int *lab
 #endif
 }
 
-int refine_tr_refine(Candidate *Cand,
+void refine_tr_refine(Candidate *Cand,
                      int n,
                      Partition *Part,
                      struct TracesVars* tv,
@@ -5313,7 +5313,6 @@ int refine_tr_refine(Candidate *Cand,
         }
     }
     Part->code = Cand->code = CLEANUP(longcode);
-    return TraceInd;
 }
 
 void Allocate_Traces_Structures(int n) {