libostree: Nearly complete move of API into OstreeSysroot

Move the deployment code too.

src/libostree/ostree-ordered-hash.c

@@ -0,0 +1,83 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
+ *
+ * Copyright (C) 2013 Colin Walters <walters@verbum.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; either version 2 of the licence or (at
+ * your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "config.h"
+
+#include "ostree-ordered-hash.h"
+#include "libgsystem.h"
+
+OstreeOrderedHash *
+_ostree_ordered_hash_new (void)
+{
+  OstreeOrderedHash *ret;
+  ret = g_new0 (OstreeOrderedHash, 1);
+  ret->order = g_ptr_array_new_with_free_func (g_free);
+  ret->table = g_hash_table_new (g_str_hash, g_str_equal);
+  return ret;
+}
+
+void
+_ostree_ordered_hash_free (OstreeOrderedHash *ohash)
+{
+  if (!ohash)
+    return;
+  g_ptr_array_unref (ohash->order);
+  g_hash_table_unref (ohash->table);
+  g_free (ohash);
+}
+
+void
+_ostree_ordered_hash_cleanup (void *loc)
+{
+  _ostree_ordered_hash_free (*((OstreeOrderedHash**)loc));
+}
+
+void
+_ostree_ordered_hash_replace_key_take (OstreeOrderedHash   *ohash,
+                                  char            *key,
+                                  const char      *value)
+{
+  gboolean existed;
+
+  existed = g_hash_table_remove (ohash->table, key);
+  if (!existed)
+    g_ptr_array_add (ohash->order, key);
+  g_hash_table_insert (ohash->table, key, (char*)value);
+}
+
+void
+_ostree_ordered_hash_replace_key (OstreeOrderedHash  *ohash,
+                             const char     *key,
+                             const char     *val)
+{
+  GString *buf;
+  gsize keylen;
+  char *valp;
+  char *valblock;
+  
+  buf = g_string_new (key);
+  keylen = buf->len;
+  g_string_append_c (buf, '\0');
+  g_string_append (buf, val);
+  valblock = g_string_free (buf, FALSE);
+  valp = valblock + keylen + 1;
+
+  _ostree_ordered_hash_replace_key_take (ohash, valblock, valp);
+}