diff options
Diffstat (limited to 'src/glu/sgi/libtess/render.c')
| -rw-r--r-- | src/glu/sgi/libtess/render.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/glu/sgi/libtess/render.c b/src/glu/sgi/libtess/render.c index 4f376f7f425..bca836f0467 100644 --- a/src/glu/sgi/libtess/render.c +++ b/src/glu/sgi/libtess/render.c @@ -39,8 +39,12 @@ #include "tess.h" #include "render.h" +#ifndef TRUE #define TRUE 1 +#endif +#ifndef FALSE #define FALSE 0 +#endif /* This structure remembers the information we need about a primitive * to be able to render it later, once we have determined which @@ -143,11 +147,11 @@ static void RenderMaximumFaceGroup( GLUtesselator *tess, GLUface *fOrig ) #define AddToTrail(f,t) ((f)->trail = (t), (t) = (f), (f)->marked = TRUE) -#define FreeTrail(t) if( 1 ) { \ +#define FreeTrail(t) do { \ while( (t) != NULL ) { \ (t)->marked = FALSE; t = (t)->trail; \ } \ - } else /* absorb trailing semicolon */ + } while(0) /* absorb trailing semicolon */ |