replace 0 with NULL when used as a pointer

1 files changed, 4 insertions, 4 deletions

diff --git a/source/blender/imbuf/intern/iris.c b/source/blender/imbuf/intern/iris.c
index 8370f1934c8..adbf3659d3a 100644
--- a/source/blender/imbuf/intern/iris.c
+++ b/source/blender/imbuf/intern/iris.c
@@ -221,7 +221,7 @@ static void test_endian_zbuf(struct ImBuf *ibuf)
 	int *zval;
 	
 	if( BIG_LONG(1) == 1 ) return;
-	if(ibuf->zbuf==0) return;
+	if(ibuf->zbuf == NULL) return;
 	
 	len= ibuf->x*ibuf->y;
 	zval= ibuf->zbuf;
@@ -276,14 +276,14 @@ struct ImBuf *imb_loadiris(unsigned char *mem, size_t size, int flags)
 	readheader(inf, &image);
 	if(image.imagic != IMAGIC) {
 		fprintf(stderr,"longimagedata: bad magic number in image file\n");
-		return(0);
+		return(NULL);
 	}
 	
 	rle = ISRLE(image.type);
 	bpp = BPP(image.type);
 	if(bpp != 1 && bpp != 2) {
 		fprintf(stderr,"longimagedata: image must have 1 or 2 byte per pix chan\n");
-		return(0);
+		return(NULL);
 	}
 	
 	xsize = image.xsize;
@@ -826,7 +826,7 @@ int imb_saveiris(struct ImBuf * ibuf, const char *name, int flags)
 	int ret;
 
 	zsize = (ibuf->depth + 7) >> 3;
-	if (flags & IB_zbuf &&  ibuf->zbuf != 0) zsize = 8;
+	if (flags & IB_zbuf &&  ibuf->zbuf != NULL) zsize = 8;
 	
 	IMB_convert_rgba_to_abgr(ibuf);
 	test_endian_zbuf(ibuf);