Remove 1 -Wunused-but-set-variable warning in partition.c

diff --git a/lib/ortho/partition.c b/lib/ortho/partition.c
index b7d3f041e2115a1f62323e97ee869d011c8f23bc..0aa086963c574510a1757ad0c12e59b1b3a97087 100644 (file)
--- a/lib/ortho/partition.c
+++ b/lib/ortho/partition.c
@@ -327,7 +327,6 @@ traverse_polygon (int* visited, boxf* decomp, int size, segment_t* seg, trap_t*
   trap_t *t;
   int mnew;
   int v0, v1;
-  int do_switch = FALSE;
 
   if ((trnum <= 0) || visited[trnum])
     return size;
@@ -371,7 +370,6 @@ traverse_polygon (int* visited, boxf* decomp, int size, segment_t* seg, trap_t*
          v1 = t->lseg;
          if (from == t->d1)
            {
-             do_switch = TRUE;
              mnew = make_new_monotone_poly(mcur, v1, v0);
              size = traverse_polygon (visited, decomp, size, seg, tr, mcur, t->d1, trnum, flip, TR_FROM_UP);
              size = traverse_polygon (visited, decomp, size, seg, tr, mnew, t->d0, trnum, flip, TR_FROM_UP);       
@@ -401,7 +399,6 @@ traverse_polygon (int* visited, boxf* decomp, int size, segment_t* seg, trap_t*
          v1 = tr[t->u0].rseg;
          if (from == t->u1)
            {
-             do_switch = TRUE;
              mnew = make_new_monotone_poly(mcur, v1, v0);
              size = traverse_polygon (visited, decomp, size, seg, tr, mcur, t->u1, trnum, flip, TR_FROM_DN);
              size = traverse_polygon (visited, decomp, size, seg, tr, mnew, t->u0, trnum, flip, TR_FROM_DN);       
@@ -432,7 +429,6 @@ traverse_polygon (int* visited, boxf* decomp, int size, segment_t* seg, trap_t*
          if (((dir == TR_FROM_DN) && (t->d1 == from)) ||
              ((dir == TR_FROM_UP) && (t->u1 == from)))
            {
-             do_switch = TRUE;
              mnew = make_new_monotone_poly(mcur, v1, v0);
              size = traverse_polygon (visited, decomp, size, seg, tr, mcur, t->u1, trnum, flip, TR_FROM_DN);
              size = traverse_polygon (visited, decomp, size, seg, tr, mcur, t->d1, trnum, flip, TR_FROM_UP);
@@ -457,7 +453,6 @@ traverse_polygon (int* visited, boxf* decomp, int size, segment_t* seg, trap_t*
 
              if ((dir == TR_FROM_UP) && (t->u0 == from))
                {
-                 do_switch = TRUE;
                  mnew = make_new_monotone_poly(mcur, v1, v0);
                  size = traverse_polygon (visited, decomp, size, seg, tr, mcur, t->u0, trnum, flip, TR_FROM_DN);
                  size = traverse_polygon (visited, decomp, size, seg, tr, mnew, t->d0, trnum, flip, TR_FROM_UP);
@@ -479,7 +474,6 @@ traverse_polygon (int* visited, boxf* decomp, int size, segment_t* seg, trap_t*
              v1 = tr[t->u0].rseg;      
              if ((dir == TR_FROM_UP) && (t->u1 == from))
                {
-                 do_switch = TRUE;
                  mnew = make_new_monotone_poly(mcur, v1, v0);
                  size = traverse_polygon (visited, decomp, size, seg, tr, mcur, t->u1, trnum, flip, TR_FROM_DN);
                  size = traverse_polygon (visited, decomp, size, seg, tr, mnew, t->d1, trnum, flip, TR_FROM_UP);
@@ -507,7 +501,6 @@ traverse_polygon (int* visited, boxf* decomp, int size, segment_t* seg, trap_t*
              v1 = t->lseg;
              if (!((dir == TR_FROM_DN) && (t->d0 == from)))
                {
-                 do_switch = TRUE;
                  mnew = make_new_monotone_poly(mcur, v1, v0);
                  size = traverse_polygon (visited, decomp, size, seg, tr, mcur, t->u1, trnum, flip, TR_FROM_DN);
                  size = traverse_polygon (visited, decomp, size, seg, tr, mcur, t->d1, trnum, flip, TR_FROM_UP);
@@ -530,7 +523,6 @@ traverse_polygon (int* visited, boxf* decomp, int size, segment_t* seg, trap_t*
 
              if ((dir == TR_FROM_DN) && (t->d1 == from))
                {
-                 do_switch = TRUE;
                  mnew = make_new_monotone_poly(mcur, v1, v0);
                  size = traverse_polygon (visited, decomp, size, seg, tr, mcur, t->d1, trnum, flip, TR_FROM_UP);
                  size = traverse_polygon (visited, decomp, size, seg, tr, mnew, t->u1, trnum, flip, TR_FROM_DN);
@@ -556,7 +548,6 @@ traverse_polygon (int* visited, boxf* decomp, int size, segment_t* seg, trap_t*
              v1 = t->lseg;
              if (dir == TR_FROM_UP)
                {
-                 do_switch = TRUE;
                  mnew = make_new_monotone_poly(mcur, v1, v0);
                  size = traverse_polygon (visited, decomp, size, seg, tr, mcur, t->u0, trnum, flip, TR_FROM_DN);
                  size = traverse_polygon (visited, decomp, size, seg, tr, mcur, t->u1, trnum, flip, TR_FROM_DN);
@@ -580,7 +571,6 @@ traverse_polygon (int* visited, boxf* decomp, int size, segment_t* seg, trap_t*
 
              if (dir == TR_FROM_UP)
                {
-                 do_switch = TRUE;
                  mnew = make_new_monotone_poly(mcur, v1, v0);
                  size = traverse_polygon (visited, decomp, size, seg, tr, mcur, t->u0, trnum, flip, TR_FROM_DN);
                  size = traverse_polygon (visited, decomp, size, seg, tr, mcur, t->u1, trnum, flip, TR_FROM_DN);