From e068fd1cf68b6ca3239a9930130f856878797f05 Mon Sep 17 00:00:00 2001
From: Vreixo Formoso <metalpain2002@yahoo.es>
Date: Sat, 1 Dec 2007 01:45:35 +0100
Subject: [PATCH] Getter for number of children in a dir.

---
 src/libisofs.h | 10 ++++++++++
 src/node.c     | 16 ++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/src/libisofs.h b/src/libisofs.h
index 5c21556..365fead 100644
--- a/src/libisofs.h
+++ b/src/libisofs.h
@@ -124,4 +124,14 @@ int iso_dir_add_node(IsoDir *dir, IsoNode *child);
  */
 int iso_dir_get_node(IsoDir *dir, const char *name, IsoNode **node);
 
+/**
+ * Get the number of children of a directory.
+ * 
+ * @return
+ *     >= 0 number of items, < 0 error
+ *     Possible errors:
+ *         ISO_NULL_POINTER, if dir is NULL
+ */
+int iso_dir_get_nchildren(IsoDir *dir);
+
 #endif /*LIBISO_LIBISOFS_H_*/
diff --git a/src/node.c b/src/node.c
index 74a53bc..2458dd9 100644
--- a/src/node.c
+++ b/src/node.c
@@ -198,3 +198,19 @@ int iso_dir_get_node(IsoDir *dir, const char *name, IsoNode **node)
     *node = pos;
     return 1;
 }
+
+/**
+ * Get the number of children of a directory.
+ * 
+ * @return
+ *     >= 0 number of items, < 0 error
+ *     Possible errors:
+ *         ISO_NULL_POINTER, if dir is NULL
+ */
+int iso_dir_get_nchildren(IsoDir *dir)
+{
+    if (dir == NULL) {
+        return ISO_NULL_POINTER;
+    }
+    return dir->nchildren;
+}