Begin RR support. Symlinks and Special files added to low level tree.

demo/ecma119_tree.c

@@ -10,6 +10,7 @@
 #include "ecma119_tree.h"
 #include "util.h"
 #include "filesrc.h"
+#include "node.h"
 #include <stdio.h>
 #include <string.h>
 #include <sys/types.h>
@@ -62,6 +63,15 @@ print_dir(Ecma119Node *dir, int level)
             printf("%s-[F] ", sp);
             print_permissions(iso_node_get_permissions(child->node));
             printf(" %s {%p}\n", child->iso_name, (void*)child->info.file);
+        } else if (child->type == ECMA119_SYMLINK) {
+            printf("%s-[L] ", sp);
+            print_permissions(iso_node_get_permissions(child->node));
+            printf(" %s -> %s\n", child->iso_name,
+                   ((IsoSymlink*)child->node)->dest);
+        } else if (child->type == ECMA119_SPECIAL) {
+            printf("%s-[S] ", sp);
+            print_permissions(iso_node_get_permissions(child->node));
+            printf(" %s\n", child->iso_name);
         } else {
             printf("%s-[????] ", sp);
         }
@@ -95,7 +105,9 @@ int main(int argc, char **argv)
     ecma119 = calloc(1, sizeof(Ecma119Image));
     iso_rbtree_new(iso_file_src_cmp, &(ecma119->files));
     ecma119->iso_level = 1;
+    ecma119->rockridge = 1;
     ecma119->image = image;
+    ecma119->input_charset = strdup("UTF-8");
 
     /* create low level tree */
     result = ecma119_tree_create(ecma119);

src/ecma119.c

@@ -630,6 +630,7 @@ int ecma119_image_new(IsoImage *src, Ecma119WriteOpts *opts,
     iso_image_ref(src);
     
     target->iso_level = opts->level;
+    target->rockridge = 1; //TODO
     target->omit_version_numbers = opts->omit_version_numbers;
     target->sort_files = opts->sort_files;
     

src/ecma119.h

@@ -29,6 +29,9 @@ struct ecma119_image {
     
     unsigned int iso_level:2;
     
+    /* extensions */
+    unsigned int rockridge:1;
+    
     /* relaxed constraints */
     unsigned int omit_version_numbers:1;
     

src/ecma119_tree.c

@@ -151,6 +151,39 @@ int create_file(Ecma119Image *img, IsoFile *iso, Ecma119Node **node)
     return ret;
 }
 
+/**
+ * Create a new ECMA-119 node representing a symbolic link from a iso symlink
+ * node.
+ */
+static
+int create_symlink(Ecma119Image *img, IsoSymlink *iso, Ecma119Node **node)
+{
+    int ret;
+
+    ret = create_ecma119_node(img, (IsoNode*)iso, node);
+    if (ret < 0) {
+        return ret;
+    }
+    (*node)->type = ECMA119_SYMLINK;
+    return ISO_SUCCESS;
+}
+
+/**
+ * Create a new ECMA-119 node representing a special file.
+ */
+static
+int create_special(Ecma119Image *img, IsoSpecial *iso, Ecma119Node **node)
+{
+    int ret;
+
+    ret = create_ecma119_node(img, (IsoNode*)iso, node);
+    if (ret < 0) {
+        return ret;
+    }
+    (*node)->type = ECMA119_SPECIAL;
+    return ISO_SUCCESS;
+}
+
 void ecma119_node_free(Ecma119Node *node)
 {
     if (node == NULL) {
@@ -165,7 +198,6 @@ void ecma119_node_free(Ecma119Node *node)
     }
     free(node->iso_name);
     iso_node_unref(node->node);
-    //TODO? free(node->name);
     free(node);
 }
 
@@ -197,7 +229,7 @@ int create_tree(Ecma119Image *image, IsoNode *iso, Ecma119Node **tree,
         return ret;
     }
     max_path = pathlen + 1 + (iso_name ? strlen(iso_name) : 0);
-    if (1) { //TODO !rockridge && !relaxed_paths
+    if (!image->rockridge) { //TODO !rockridge && !relaxed_paths
         if (depth > 8 || max_path > 255) {
             iso_msg_note(image->image, LIBISO_FILE_IGNORED, 
                          "File \"%s\" can't be added, because depth > 8 "
@@ -212,18 +244,26 @@ int create_tree(Ecma119Image *image, IsoNode *iso, Ecma119Node **tree,
         ret = create_file(image, (IsoFile*)iso, &node);
         break;
     case LIBISO_SYMLINK:
-        //TODO only supported with RR
-        iso_msg_note(image->image, LIBISO_FILE_IGNORED, "File \"%s\" ignored. "
-                     "Symlinks need RockRidge extensions.", iso->name);
-        free(iso_name);
-        return 0;
+        if (image->rockridge) {
+            ret = create_symlink(image, (IsoSymlink*)iso, &node);
+        } else {
+            /* symlinks are only supported when RR is enabled */
+            iso_msg_note(image->image, LIBISO_FILE_IGNORED, "File \"%s\" "
+                         "ignored. Symlinks need RockRidge extensions.", 
+                         iso->name);
+            ret = 0;
+        }
         break;
     case LIBISO_SPECIAL:
-        iso_msg_note(image->image, LIBISO_FILE_IGNORED, "File \"%s\" ignored. "
-                     "Special files need RockRidge extensions.", iso->name);
-        //TODO only supported with RR
-        free(iso_name);
-        return 0;
+        if (image->rockridge) {
+            ret = create_special(image, (IsoSpecial*)iso, &node);
+        } else {
+            /* symlinks are only supported when RR is enabled */
+            iso_msg_note(image->image, LIBISO_FILE_IGNORED, "File \"%s\" "
+                         "ignored. Special files need RockRidge extensions.", 
+                         iso->name);
+            ret = 0;
+        }
         break;
     case LIBISO_BOOT:
         //TODO

src/ecma119_tree.h

@@ -14,7 +14,10 @@
 
 enum ecma119_node_type {
     ECMA119_FILE,
-    ECMA119_DIR
+    ECMA119_DIR,
+    ECMA119_SYMLINK,
+    ECMA119_SPECIAL,
+    ECMA119_PLACEHOLDER
 };
 
 /**