* src/lex.c (percent_table): Add tok_define.

[bison.git] / src / vcg_defaults.h

diff --git a/src/vcg_defaults.h b/src/vcg_defaults.h
index c2c2d944bd52c951690359da5fef842766b8e7dc..d40acf43e44a15b096b4bfca836fa2403688cd84 100644 (file)
--- a/src/vcg_defaults.h
+++ b/src/vcg_defaults.h
@@ -22,11 +22,11 @@
 # define VCG_DEFAULTS_H_
 
 /* Graph defaults. */
-# define G_TITLE               0
-# define G_LABEL               0
-# define G_INFOS1              0
-# define G_INFOS2              0
-# define G_INFOS3              0
+# define G_TITLE               NULL
+# define G_LABEL               NULL
+# define G_INFOS1              NULL
+# define G_INFOS2              NULL
+# define G_INFOS3              NULL
 
 # define G_COLOR               white
 # define G_TEXTCOLOR           black
@@ -63,7 +63,7 @@
 
 # define G_HIDDEN              -1              /* No default value. */
 
-# define G_CLASSNAME           0               /* No class name association */
+# define G_CLASSNAME           NULL            /* No class name association */
 # define G_LAYOUTALGORITHM     normal
 # define G_LAYOUT_DOWNFACTOR   1
 # define G_LAYOUT_UPFACTOR     1
@@ -106,12 +106,12 @@
 # define G_RMAX                        100
 # define G_SMAX                        100
 
-# define G_NODE_LIST           0
-# define G_EDGE_LIST           0
+# define G_NODE_LIST           NULL
+# define G_EDGE_LIST           NULL
 
 /* Nodes defaults. */
-# define N_TITLE               0
-# define N_LABEL               0
+# define N_TITLE               NULL
+# define N_LABEL               NULL
 
 # define N_LOCX                        -1      /* Default unspcified */
 # define N_LOCY                        -1      /* Default unspcified */
@@ -135,18 +135,18 @@
 # define N_TEXTCOLOR           black
 # define N_BORDERCOLOR         N_TEXTCOLOR
 
-# define N_INFOS1              0
-# define N_INFOS2              0
-# define N_INFOS3              0
+# define N_INFOS1              NULL
+# define N_INFOS2              NULL
+# define N_INFOS3              NULL
 
-# define N_NEXT                        0
+# define N_NEXT                        NULL
 
 /* Edge defaults. */
 # define E_EDGE_TYPE           normal_edge
 
-# define E_SOURCENAME          0       /* Mandatory. */
-# define E_TARGETNAME          0       /* Mandatory. */
-# define E_LABEL               0
+# define E_SOURCENAME          NULL    /* Mandatory. */
+# define E_TARGETNAME          NULL    /* Mandatory. */
+# define E_LABEL               NULL
 
 # define E_LINESTYLE           continuous
 # define E_THICKNESS           2
@@ -170,6 +170,6 @@
 
 # define E_HORIZONTAL_ORDER    -1
 
-# define E_NEXT                        0
+# define E_NEXT                        NULL
 
 #endif /* not VCG_DEFAULTS_H_ */