Created API and hfsplus interface of HFS+ blessing.

But iso_write_opts_bless() is still a dummy.

libisofs/ecma119.h

@@ -443,6 +443,14 @@ struct iso_write_opts {
     /* Eventual name of the non-ISO aspect of the image. E.g. SUN ASCII label.
      */
     char ascii_disc_label[ISO_DISC_LABEL_SIZE];
+
+    /* Pointers to directories or files which shall be get a HFS+ blessing.
+       libisofs/hfsplus.c et.al. will compare these pointers
+       with the ->node pointer of Ecma119Nodes.
+       See libisofs.h
+    */
+    IsoNode *hfsplus_blessed[ISO_HFSPLUS_BLESS_MAX];
+    
 };
 
 typedef struct ecma119_image Ecma119Image;
@@ -774,6 +782,7 @@ struct ecma119_image
 
     char ascii_disc_label[ISO_DISC_LABEL_SIZE];
 
+    IsoNode *hfsplus_blessed[ISO_HFSPLUS_BLESS_MAX];
 };
 
 #define BP(a,b) [(b) - (a) + 1]