Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / openbios / fs / ext2 / ext2_opendir.c

diff --git a/qemu/roms/openbios/fs/ext2/ext2_opendir.c b/qemu/roms/openbios/fs/ext2/ext2_opendir.c
new file mode 100644 (file)
index 0000000..3363e0b
--- /dev/null
+++ b/qemu/roms/openbios/fs/ext2/ext2_opendir.c
@@ -0,0 +1,49 @@
+/*
+ *
+ * (c) 2008-2009 Laurent Vivier <Laurent@lvivier.info>
+ *
+ * This file has been copied from EMILE, http://emile.sf.net
+ *
+ */
+
+#include "libext2.h"
+#include "ext2.h"
+#include "ext2_utils.h"
+
+ext2_DIR* ext2_opendir(ext2_VOLUME *volume, const char *name)
+{
+       ext2_DIR* dir;
+       int ino;
+       struct ext2_inode *inode;
+       int ret;
+
+       ino = ext2_seek_name(volume, name);
+       if (ino == 0)
+               return NULL;
+
+       inode = (struct ext2_inode*)malloc(sizeof(struct ext2_inode));
+       if (inode == NULL)
+               return NULL;
+
+       ret = ext2_get_inode(volume, ino, inode);
+       if (ret == -1) {
+               free(inode);
+               return NULL;
+       }
+
+       if (!S_ISDIR(inode->i_mode)) {
+               free(inode);
+               return NULL;
+       }
+
+       dir = (ext2_DIR*)malloc(sizeof(ext2_DIR));
+       if (dir == NULL) {
+               free(inode);
+               return NULL;
+       }
+       dir->volume = (ext2_VOLUME*)volume;
+       dir->inode = inode;
+       dir->index = 0;
+
+       return dir;
+}