[freetype2-demos] master fff6bd1 2/2: * graph/*.*: s/0/NULL/ where appropriate.

[Alexei Podtelezhnikov]

branch: master
commit fff6bd1846290231ca19d9857f3d91dfa427a95c
Author: Alexei Podtelezhnikov <apodtele@gmail.com>
Commit: Alexei Podtelezhnikov <apodtele@gmail.com>

    * graph/*.*: s/0/NULL/ where appropriate.
---
 ChangeLog        | 4 ++++
 graph/grdevice.c | 8 ++++----
 graph/grfont.c   | 4 ++--
 graph/grinit.c   | 2 +-
 4 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 058bd18..cd0ec6e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2020-11-04  Alexei Podtelezhnikov  <apodtele@gmail.com>
 
+       * graph/*.*: s/0/NULL/ where appropriate.
+
+2020-11-04  Alexei Podtelezhnikov  <apodtele@gmail.com>
+
        * graph/*.*: Rearrange some headers.
 
 2020-11-04  Alexei Podtelezhnikov  <apodtele@gmail.com>
diff --git a/graph/grdevice.c b/graph/grdevice.c
index 1bcf688..53cb453 100644
--- a/graph/grdevice.c
+++ b/graph/grdevice.c
@@ -139,17 +139,17 @@
 
     /* Now find the device */
     device = find_device( device_name );
-    if (!device) return 0;
+    if (!device) return NULL;
 
     surface = (grSurface*)grAlloc( device->surface_objsize );
-    if (!surface) return 0;
+    if (!surface) return NULL;
 
     bitmap->buffer = NULL;
 
     if ( !device->init_surface( surface, bitmap ) )
     {
       grFree( (void *)surface );
-      surface = 0;
+      surface = NULL;
     }
     else
       grSetTargetGamma( (grBitmap*)surface, 1.8 );
@@ -172,7 +172,7 @@
         grFree( surface->bitmap.buffer );
 
       surface->owner         = 0;
-      surface->bitmap.buffer = 0;
+      surface->bitmap.buffer = NULL;
       grFree( surface );
     }
   }
diff --git a/graph/grfont.c b/graph/grfont.c
index 5f5af56..44a2015 100644
--- a/graph/grfont.c
+++ b/graph/grfont.c
@@ -273,7 +273,7 @@
     1,                    /* pitch */
     gr_pixel_mode_mono,   /* mode  */
     0,                    /* grays */
-    0                     /* buffer */
+    NULL                  /* buffer */
   };
 
 
@@ -313,7 +313,7 @@
   static int        gr_cursor_x     = 0;
   static int        gr_cursor_y     = 0;
   static int        gr_line_height  = 8;
-  static grBitmap*  gr_text_bitmap  = 0;
+  static grBitmap*  gr_text_bitmap  = NULL;
   static grColor    gr_color        = { 0 };
   static int        gr_margin_right = 0;
   static int        gr_margin_top   = 0;
diff --git a/graph/grinit.c b/graph/grinit.c
index 7982d96..0d665d5 100644
--- a/graph/grinit.c
+++ b/graph/grinit.c
@@ -2,8 +2,8 @@
 #include "grdevice.h"
 #include <stdio.h>
 
-#define GR_INIT_DEVICE_CHAIN   ((grDeviceChain*)0)
 #define GR_INIT_BUILD
+#define GR_INIT_DEVICE_CHAIN   ((grDeviceChain*)NULL)
 
 #ifdef DEVICE_BATCH
 #include "batch/grbatch.h"