replace 0 with NULL when used as a pointer

8 files changed, 47 insertions, 47 deletions

diff --git a/source/blender/imbuf/intern/allocimbuf.c b/source/blender/imbuf/intern/allocimbuf.c
index 93f4b7763d7..a8b9e21331d 100644
--- a/source/blender/imbuf/intern/allocimbuf.c
+++ b/source/blender/imbuf/intern/allocimbuf.c
@@ -128,7 +128,7 @@ static void freeencodedbufferImBuf(ImBuf *ibuf)
 	if(ibuf->encodedbuffer && (ibuf->mall & IB_mem))
 		MEM_freeN(ibuf->encodedbuffer);
 
-	ibuf->encodedbuffer = 0;
+	ibuf->encodedbuffer = NULL;
 	ibuf->encodedbuffersize = 0;
 	ibuf->encodedsize = 0;
 	ibuf->mall &= ~IB_mem;
@@ -427,11 +427,11 @@ ImBuf *IMB_dupImBuf(ImBuf *ibuf1)
 	
 	// set malloc flag
 	tbuf.mall		= ibuf2->mall;
-	tbuf.c_handle           = 0;
+	tbuf.c_handle           = NULL;
 	tbuf.refcounter         = 0;
 
 	// for now don't duplicate metadata
-	tbuf.metadata = 0;
+	tbuf.metadata = NULL;
 
 	*ibuf2 = tbuf;
 	
@@ -450,12 +450,12 @@ static void imbuf_cache_destructor(void *data)
 	IMB_freezbuffloatImBuf(ibuf);
 	freeencodedbufferImBuf(ibuf);
 
-	ibuf->c_handle = 0;
+	ibuf->c_handle = NULL;
 }
 
 static MEM_CacheLimiterC **get_imbuf_cache_limiter(void)
 {
-	static MEM_CacheLimiterC *c = 0;
+	static MEM_CacheLimiterC *c = NULL;
 
 	if(!c)
 		c = new_MEM_CacheLimiter(imbuf_cache_destructor);
@@ -466,7 +466,7 @@ static MEM_CacheLimiterC **get_imbuf_cache_limiter(void)
 void IMB_free_cache_limiter(void)
 {
 	delete_MEM_CacheLimiter(*get_imbuf_cache_limiter());
-	*get_imbuf_cache_limiter() = 0;
+	*get_imbuf_cache_limiter() = NULL;
 }
 
 void IMB_cache_limiter_insert(ImBuf *i)
@@ -485,7 +485,7 @@ void IMB_cache_limiter_unmanage(ImBuf *i)
 {
 	if(i->c_handle) {
 		MEM_CacheLimiter_unmanage(i->c_handle);
-		i->c_handle = 0;
+		i->c_handle = NULL;
 	}
 }
 
diff --git a/source/blender/imbuf/intern/anim_movie.c b/source/blender/imbuf/intern/anim_movie.c
index ce676d8c65f..a964f345b2b 100644
--- a/source/blender/imbuf/intern/anim_movie.c
+++ b/source/blender/imbuf/intern/anim_movie.c
@@ -353,7 +353,7 @@ void IMB_free_anim(struct anim * anim) {
 }
 
 void IMB_close_anim(struct anim * anim) {
-	if (anim == 0) return;
+	if (anim == NULL) return;
 
 	IMB_free_anim(anim);
 }
@@ -454,7 +454,7 @@ static int startavi (struct anim *anim) {
 	}
 	
 	anim->duration = anim->avi->header->TotalFrames;
-	anim->params = 0;
+	anim->params = NULL;
 
 	anim->x = anim->avi->header->Width;
 	anim->y = anim->avi->header->Height;
@@ -1034,9 +1034,9 @@ static void free_anim_redcode(struct anim * anim) {
 /* gelukt, haal dan eerste plaatje van animatie */
 
 static struct ImBuf * anim_getnew(struct anim * anim) {
-	struct ImBuf *ibuf = 0;
+	struct ImBuf *ibuf = NULL;
 
-	if (anim == NULL) return(0);
+	if (anim == NULL) return(NULL);
 
 	free_anim_movie(anim);
 	free_anim_avi(anim);
@@ -1051,7 +1051,7 @@ static struct ImBuf * anim_getnew(struct anim * anim) {
 #endif
 
 
-	if (anim->curtype != 0) return (0);
+	if (anim->curtype != 0) return (NULL);
 	anim->curtype = imb_get_anim_type(anim->name);	
 
 	switch (anim->curtype) {
@@ -1063,13 +1063,13 @@ static struct ImBuf * anim_getnew(struct anim * anim) {
 		}
 		break;
 	case ANIM_MOVIE:
-		if (startmovie(anim)) return (0);
+		if (startmovie(anim)) return (NULL);
 		ibuf = IMB_allocImBuf (anim->x, anim->y, 24, 0); /* fake */
 		break;
 	case ANIM_AVI:
 		if (startavi(anim)) {
 			printf("couldnt start avi\n"); 
-			return (0);
+			return (NULL);
 		}
 		ibuf = IMB_allocImBuf (anim->x, anim->y, 24, 0);
 		break;
@@ -1096,7 +1096,7 @@ static struct ImBuf * anim_getnew(struct anim * anim) {
 }
 
 struct ImBuf * IMB_anim_previewframe(struct anim * anim) {
-	struct ImBuf * ibuf = 0;
+	struct ImBuf * ibuf = NULL;
 	int position = 0;
 	
 	ibuf = IMB_anim_absolute(anim, 0);
@@ -1109,27 +1109,27 @@ struct ImBuf * IMB_anim_previewframe(struct anim * anim) {
 }
 
 struct ImBuf * IMB_anim_absolute(struct anim * anim, int position) {
-	struct ImBuf * ibuf = 0;
+	struct ImBuf * ibuf = NULL;
 	char head[256], tail[256];
 	unsigned short digits;
 	int pic;
 	int filter_y;
-	if (anim == NULL) return(0);
+	if (anim == NULL) return(NULL);
 
 	filter_y = (anim->ib_flags & IB_animdeinterlace);
 
 	if (anim->curtype == 0)	{
 		ibuf = anim_getnew(anim);
 		if (ibuf == NULL) {
-			return (0);
+			return(NULL);
 		}
 
 		IMB_freeImBuf(ibuf); /* ???? */
 		ibuf= NULL;
 	}
 
-	if (position < 0) return(0);
-	if (position >= anim->duration) return(0);
+	if (position < 0) return(NULL);
+	if (position >= anim->duration) return(NULL);
 
 	switch(anim->curtype) {
 	case ANIM_SEQUENCE:
diff --git a/source/blender/imbuf/intern/bmp.c b/source/blender/imbuf/intern/bmp.c
index 3d9af0b9f97..d79acc88a80 100644
--- a/source/blender/imbuf/intern/bmp.c
+++ b/source/blender/imbuf/intern/bmp.c
@@ -108,7 +108,7 @@ int imb_is_a_bmp(unsigned char *buf) {
 
 struct ImBuf *imb_bmp_decode(unsigned char *mem, size_t size, int flags)
 {
-	struct ImBuf *ibuf = 0;
+	struct ImBuf *ibuf = NULL;
 	BMPINFOHEADER bmi;
 	int x, y, depth, skip, i;
 	unsigned char *bmp, *rect;
@@ -116,7 +116,7 @@ struct ImBuf *imb_bmp_decode(unsigned char *mem, size_t size, int flags)
 	
 	(void)size; /* unused */
 
-	if (checkbmp(mem) == 0) return(0);
+	if (checkbmp(mem) == 0) return(NULL);
 
 	if ((mem[0] == 'B') && (mem[1] == 'M')) {
 		/* skip fileheader */
diff --git a/source/blender/imbuf/intern/divers.c b/source/blender/imbuf/intern/divers.c
index cbeda1b3399..ff98ac60166 100644
--- a/source/blender/imbuf/intern/divers.c
+++ b/source/blender/imbuf/intern/divers.c
@@ -52,7 +52,7 @@ void IMB_de_interlace(struct ImBuf *ibuf)
 {
 	struct ImBuf * tbuf1, * tbuf2;
 	
-	if (ibuf == 0) return;
+	if (ibuf == NULL) return;
 	if (ibuf->flags & IB_fields) return;
 	ibuf->flags |= IB_fields;
 	
@@ -79,7 +79,7 @@ void IMB_interlace(struct ImBuf *ibuf)
 {
 	struct ImBuf * tbuf1, * tbuf2;
 
-	if (ibuf == 0) return;
+	if (ibuf == NULL) return;
 	ibuf->flags &= ~IB_fields;
 
 	ibuf->y *= 2;
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);
diff --git a/source/blender/imbuf/intern/jpeg.c b/source/blender/imbuf/intern/jpeg.c
index 24ddd2a85a9..93ebd0efcb0 100644
--- a/source/blender/imbuf/intern/jpeg.c
+++ b/source/blender/imbuf/intern/jpeg.c
@@ -271,10 +271,10 @@ handle_app1 (j_decompress_ptr cinfo)
 static ImBuf * ibJpegImageFromCinfo(struct jpeg_decompress_struct * cinfo, int flags)
 {
 	JSAMPARRAY row_pointer;
-	JSAMPLE * buffer = 0;
+	JSAMPLE * buffer = NULL;
 	int row_stride;
 	int x, y, depth, r, g, b, k;
-	struct ImBuf * ibuf = 0;
+	struct ImBuf * ibuf = NULL;
 	uchar * rect;
 	jpeg_saved_marker_ptr marker;
 	char *str, *key, *value;
@@ -470,7 +470,7 @@ ImBuf * imb_load_jpeg (unsigned char * buffer, size_t size, int flags)
 
 static void write_jpeg(struct jpeg_compress_struct * cinfo, struct ImBuf * ibuf)
 {
-	JSAMPLE * buffer = 0;
+	JSAMPLE * buffer = NULL;
 	JSAMPROW row_pointer[1];
 	uchar * rect;
 	int x, y;
diff --git a/source/blender/imbuf/intern/png.c b/source/blender/imbuf/intern/png.c
index 8be2c26c64f..200ff0af9af 100644
--- a/source/blender/imbuf/intern/png.c
+++ b/source/blender/imbuf/intern/png.c
@@ -104,11 +104,11 @@ int imb_savepng(struct ImBuf *ibuf, const char *name, int flags)
 	png_structp png_ptr;
 	png_infop info_ptr;
 
-	unsigned char *pixels = 0;
+	unsigned char *pixels = NULL;
 	unsigned char *from, *to;
-	png_bytepp row_pointers = 0;
+	png_bytepp row_pointers = NULL;
 	int i, bytesperpixel, color_type = PNG_COLOR_TYPE_GRAY;
-	FILE *fp = 0;
+	FILE *fp = NULL;
 
 	/* use the jpeg quality setting for compression */
 	int compression;
@@ -299,11 +299,11 @@ int imb_savepng(struct ImBuf *ibuf, const char *name, int flags)
 
 struct ImBuf *imb_loadpng(unsigned char *mem, size_t size, int flags)
 {
-	struct ImBuf *ibuf = 0;
+	struct ImBuf *ibuf = NULL;
 	png_structp png_ptr;
 	png_infop info_ptr;
-	unsigned char *pixels = 0;
-	png_bytepp row_pointers = 0;
+	unsigned char *pixels = NULL;
+	png_bytepp row_pointers = NULL;
 	png_uint_32 width, height;
 	int bit_depth, color_type;
 	PNGReadStruct ps;
@@ -311,13 +311,13 @@ struct ImBuf *imb_loadpng(unsigned char *mem, size_t size, int flags)
 	unsigned char *from, *to;
 	int i, bytesperpixel;
 
-	if (imb_is_a_png(mem) == 0) return(0);
+	if (imb_is_a_png(mem) == 0) return(NULL);
 
 	png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING,
 		NULL, NULL, NULL);
 	if (png_ptr == NULL) {
 		printf("Cannot png_create_read_struct\n");
-		return 0;
+		return NULL;
 	}
 
 	info_ptr = png_create_info_struct(png_ptr);
@@ -325,7 +325,7 @@ struct ImBuf *imb_loadpng(unsigned char *mem, size_t size, int flags)
 		png_destroy_read_struct(&png_ptr, (png_infopp)NULL, 
 			(png_infopp)NULL);
 		printf("Cannot png_create_info_struct\n");
-		return 0;
+		return NULL;
 	}
 
 	ps.size = size; /* XXX, 4gig limit! */
@@ -339,7 +339,7 @@ struct ImBuf *imb_loadpng(unsigned char *mem, size_t size, int flags)
 		if (pixels) MEM_freeN(pixels);
 		if (row_pointers) MEM_freeN(row_pointers);
 		if (ibuf) IMB_freeImBuf(ibuf);
-		return 0;
+		return NULL;
 	}
 
 	// png_set_sig_bytes(png_ptr, 8);
diff --git a/source/blender/imbuf/intern/readimage.c b/source/blender/imbuf/intern/readimage.c
index a43fa7fb802..849b3ff0ce2 100644
--- a/source/blender/imbuf/intern/readimage.c
+++ b/source/blender/imbuf/intern/readimage.c
@@ -86,14 +86,14 @@ ImBuf *IMB_loadifffile(int file, int flags)
 	unsigned char *mem;
 	size_t size;
 
-	if(file == -1) return 0;
+	if(file == -1) return NULL;
 
 	size= BLI_filesize(file);
 
-	mem= mmap(0, size, PROT_READ, MAP_SHARED, file, 0);
+	mem= mmap(NULL, size, PROT_READ, MAP_SHARED, file, 0);
 	if(mem==(unsigned char*)-1) {
 		fprintf(stderr, "Couldn't get mapping\n");
-		return 0;
+		return NULL;
 	}
 
 	ibuf= IMB_ibImageFromMemory(mem, size, flags);
@@ -128,7 +128,7 @@ ImBuf *IMB_loadiffname(const char *name, int flags)
 	imb_cache_filename(filename, name, flags);
 
 	file = open(filename, O_BINARY|O_RDONLY);
-	if(file < 0) return 0;
+	if(file < 0) return NULL;
 
 	ibuf= IMB_loadifffile(file, flags);
 
@@ -154,7 +154,7 @@ ImBuf *IMB_testiffname(char *name, int flags)
 	imb_cache_filename(filename, name, flags);
 
 	file = open(filename,O_BINARY|O_RDONLY);
-	if(file < 0) return 0;
+	if(file < 0) return NULL;
 
 	ibuf=IMB_loadifffile(file, flags|IB_test|IB_multilayer);
 	if(ibuf) {
@@ -177,7 +177,7 @@ static void imb_loadtilefile(ImBuf *ibuf, int file, int tx, int ty, unsigned int
 
 	size= BLI_filesize(file);
 
-	mem= mmap(0, size, PROT_READ, MAP_SHARED, file, 0);
+	mem= mmap(NULL, size, PROT_READ, MAP_SHARED, file, 0);
 	if(mem==(unsigned char*)-1) {
 		fprintf(stderr, "Couldn't get memory mapping for %s\n", ibuf->cachename);
 		return;