daemon: Move random string generation into shared lib

Random string generation is used in a few different places, so share the
implementation.

https://bugzilla.gnome.org/show_bug.cgi?id=738967

3 files changed, 73 insertions, 0 deletions

diff --git a/common/Makefile.am b/common/Makefile.am
index 0577d677..ac860ce7 100644
--- a/common/Makefile.am
+++ b/common/Makefile.am
@@ -28,6 +28,7 @@ libgvfscommon_la_SOURCES = 	\
 	gvfsdaemonprotocol.c gvfsdaemonprotocol.h \
 	gvfsicon.h gvfsicon.c \
 	gvfsfileinfo.c gvfsfileinfo.h \
+	gvfsutils.c gvfsutils.h \
 	$(dbus_built_sources) \
 	$(NULL)
 
diff --git a/common/gvfsutils.c b/common/gvfsutils.c
new file mode 100644
index 00000000..87718f30
--- /dev/null
+++ b/common/gvfsutils.c
@@ -0,0 +1,42 @@
+/* GIO - GLib Input, Output and Streaming Library
+ *
+ * Copyright (C) 2014 Ross Lagerwall
+ *
+ * This library 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 License, 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, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include <string.h>
+#include <glib.h>
+#include "gvfsutils.h"
+
+/**
+ * gvfs_randomize_string:
+ * @str: the string to randomize
+ * @len: the length of the string
+ *
+ * Takes a string and fills it with @len random chars.
+ **/
+void
+gvfs_randomize_string (char *str,
+                       int len)
+{
+  int i;
+  const char chars[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+
+  for (i = 0; i < len; i++)
+    str[i] = chars[g_random_int_range (0, strlen(chars))];
+}
diff --git a/common/gvfsutils.h b/common/gvfsutils.h
new file mode 100644
index 00000000..aa7faf5e
--- /dev/null
+++ b/common/gvfsutils.h
@@ -0,0 +1,30 @@
+/* GIO - GLib Input, Output and Streaming Library
+ *
+ * Copyright (C) 2014 Ross Lagerwall
+ *
+ * This library 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 License, 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, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __G_VFS_UTILS_H__
+#define __G_VFS_UTILS_H__
+
+G_BEGIN_DECLS
+
+void         gvfs_randomize_string                  (char             *str,
+                                                     int               len);
+
+G_END_DECLS
+
+#endif /* __G_VFS_UTILS_H__ */