Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / openbios / fs / iso9660 / iso9660_open.c

diff --git a/qemu/roms/openbios/fs/iso9660/iso9660_open.c b/qemu/roms/openbios/fs/iso9660/iso9660_open.c
new file mode 100644 (file)
index 0000000..77c271f
--- /dev/null
+++ b/qemu/roms/openbios/fs/iso9660/iso9660_open.c
@@ -0,0 +1,39 @@
+/*
+ *
+ * (c) 2005-2009 Laurent Vivier <Laurent@vivier.eu>
+ *
+ * This file has been copied from EMILE, http://emile.sf.net
+ *
+ */
+
+#include "libiso9660.h"
+
+iso9660_FILE* iso9660_open(iso9660_VOLUME *volume, const char* pathname)
+{
+       struct iso_directory_record *root;
+       struct iso_directory_record *idr;
+       iso9660_FILE *file;
+
+       root = iso9660_get_root_node(volume);
+       if (root == NULL)
+               return NULL;
+
+       idr = iso9660_get_node(volume, root, pathname);
+       if (idr == NULL)
+               return NULL;
+
+       file = (iso9660_FILE*)malloc(sizeof(iso9660_FILE));
+       if (file == NULL)
+               return NULL;
+
+       file->base = isonum_733((char *)idr->extent);
+       file->size = isonum_733((char *)idr->size);
+       file->offset = 0;
+       file->current = -1;
+       file->volume = volume;
+       file->path = strdup(pathname);
+
+       free(idr);
+
+       return file;
+}