1 files changed, 55 insertions, 0 deletions
diff --git a/libstore/gunzip.c b/libstore/gunzip.c
new file mode 100644
index 00000000..3bff6ead
--- /dev/null
+++ b/libstore/gunzip.c
@@ -0,0 +1,55 @@
+/* Decompressing store backend
+
+   Copyright (C) 1997, 1999, 2002 Free Software Foundation, Inc.
+   Written by Miles Bader <miles@gnu.ai.mit.edu>
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   The GNU Hurd is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
+
+#include <stdio.h>
+#include <string.h>
+#include <setjmp.h>
+#include <cthreads.h>
+#include <sys/mman.h>
+
+#include "store.h"
+
+/* gzip.h makes several annoying defines & decls, which we have to work
+   around. */
+#define file_t gzip_file_t
+#include "gzip.h"
+#undef file_t
+#undef head
+
+static error_t
+DO_UNZIP (void)
+{
+  /* Entry points to unzip engine.  */
+  int get_method (int);
+  extern long int bytes_out;
+
+  if (get_method (0) != 0)
+    /* Not a happy gzip file.  */
+    return EINVAL;
+
+  /* Matched gzip magic number.  Ready to unzip.
+     Set up the output stream and let 'er rip.  */
+  bytes_out = 0;
+  unzip (17, 23);		/* Arguments ignored.  */
+  return 0;
+}
+
+#define UNZIP		gunzip
+#include "unzipstore.c"