better reporting for file i/o failier, use system error message in more places: Permission Denied, No space left, File not found etc.

- blend load/save uses os message.
- image load gives os message. (remove check for slash at end of line, just let the os report an error)
- python api load image/font/text raise errors with message (was just retuning None for image and font)
- minor edits to py api errors.

2 files changed, 2 insertions, 11 deletions

diff --git a/source/blender/blenkernel/intern/image.c b/source/blender/blenkernel/intern/image.c
index a584e91fc0f..4daa38001bf 100644
--- a/source/blender/blenkernel/intern/image.c
+++ b/source/blender/blenkernel/intern/image.c
@@ -328,13 +328,6 @@ Image *BKE_add_image_file(const char *name, int frame)
 	const char *libname;
 	char str[FILE_MAX], strtest[FILE_MAX];
 	
-	/* escape when name is directory */
-	len= strlen(name);
-	if(len) {
-		if(name[len-1]=='/' || name[len-1]=='\\')
-			return NULL;
-	}
-	
 	BLI_strncpy(str, name, sizeof(str));
 	BLI_path_abs(str, G.sce);
 	
diff --git a/source/blender/blenkernel/intern/object.c b/source/blender/blenkernel/intern/object.c
index 5d3527d5afc..8d38f5c8d15 100644
--- a/source/blender/blenkernel/intern/object.c
+++ b/source/blender/blenkernel/intern/object.c
@@ -1724,10 +1724,8 @@ void object_to_mat4(Object *ob, float mat[][4])
 	object_to_mat3(ob, tmat);
 	
 	copy_m4_m3(mat, tmat);
-	
-	mat[3][0]= ob->loc[0] + ob->dloc[0];
-	mat[3][1]= ob->loc[1] + ob->dloc[1];
-	mat[3][2]= ob->loc[2] + ob->dloc[2];
+
+	add_v3_v3v3(mat[3], ob->loc, ob->dloc);
 }
 
 int enable_cu_speed= 1;