Different function for generate dir and files names for Joliet.

The "." is not mandatory on dirs.

src/joliet.c

@@ -36,7 +36,11 @@ int get_joliet_name(Ecma119Image *t, IsoNode *iso, uint16_t **name)
     }
 
     // TODO add support for relaxed constraints
-    jname = iso_j_id(ucs_name);
+    if (iso->type == LIBISO_DIR) {
+        jname = iso_j_dir_id(ucs_name);
+    } else {
+        jname = iso_j_file_id(ucs_name);
+    }
     free(ucs_name);
     if (jname != NULL) {
         *name = jname;
@@ -125,6 +129,7 @@ int create_node(Ecma119Image *t, IsoNode *iso, JolietNode **node)
     joliet->node = iso;
     iso_node_ref(iso);
 
+    *node = joliet;
     return ISO_SUCCESS;
 }
 
@@ -138,7 +143,7 @@ static
 int create_tree(Ecma119Image *t, IsoNode *iso, JolietNode **tree, int pathlen)
 {
     int ret, max_path;
-    JolietNode *node;
+    JolietNode *node = NULL;
     uint16_t *jname = NULL;
 
     if (t == NULL || iso == NULL || tree == NULL) {

src/util.c

@@ -491,11 +491,11 @@ char *iso_2_fileid(const char *src)
     return strdup(dest);
 }
 
-uint16_t *iso_j_id(const uint16_t *src)
+uint16_t *iso_j_file_id(const uint16_t *src)
 {
     uint16_t *dot;
     size_t lname, lext, lnname, lnext, pos, i;
-    uint16_t dest[66]; /* 65 = 64 (name + ext) + 1 (.) + 1 (\0) */
+    uint16_t dest[66]; /* 66 = 64 (name + ext) + 1 (.) + 1 (\0) */
 
     if (src == NULL) {
         return NULL;
@@ -554,6 +554,31 @@ uint16_t *iso_j_id(const uint16_t *src)
     return ucsdup(dest);
 }
 
+uint16_t *iso_j_dir_id(const uint16_t *src)
+{
+    size_t len, i;
+    uint16_t dest[65]; /* 65 = 64 + 1 (\0) */
+
+    if (src == NULL) {
+        return NULL;
+    }
+
+    len = ucslen(src);
+    if (len > 64) {
+        len = 64;
+    }
+    for (i = 0; i < len; i++) {
+        uint16_t c = src[i];
+        if (valid_j_char(c)) {
+            dest[i] = c;
+        } else {
+            set_ucsbe(dest + i, '_');
+        }
+    }
+    set_ucsbe(dest + len, '\0');
+    return ucsdup(dest);
+}
+
 size_t ucslen(const uint16_t *str)
 {
     size_t i;

src/util.h

@@ -114,9 +114,9 @@ char *iso_1_fileid(const char *src);
 char *iso_2_fileid(const char *src);
 
 /**
- * Create a Joliet file or directory identifier that consists of name and
+ * Create a Joliet file identifier that consists of name and extension. The 
- * extension. The combined name and extension length will not exceed 128 bytes, 
+ * combined name and extension length will not exceed 128 bytes, and the 
- * and the name and extension will be separated (.). All characters consist of 
+ * name and extension will be separated (.). All characters consist of 
  * 2 bytes and the resulting string is NULL-terminated by a 2-byte NULL. 
  * 
  * Note that version number and (;1) is not appended.
@@ -124,7 +124,18 @@ char *iso_2_fileid(const char *src);
  * @return 
  *        NULL if the original name and extension both are of length 0.
  */
-uint16_t *iso_j_id(const uint16_t *src);
+uint16_t *iso_j_file_id(const uint16_t *src);
+
+/**
+ * Create a Joliet directory identifier that consists of name and optionally
+ * extension. The combined name and extension length will not exceed 128 bytes,
+ * and the name and extension will be separated (.). All characters consist of 
+ * 2 bytes and the resulting string is NULL-terminated by a 2-byte NULL. 
+ * 
+ * @return 
+ *        NULL if the original name and extension both are of length 0.
+ */
+uint16_t *iso_j_dir_id(const uint16_t *src);
 
 /**
  * Like strlen, but for Joliet strings.