# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1352440025 -7200
# Node ID c835aa129e3b704768e71ed995ecdc379391fac7
# Parent  f1b33b5e153d4bcfe50bc4d34a09d1de17c3992b
Add two new utility functions for checking whether a given path is a
directory or not.

diff -r f1b33b5e153d -r c835aa129e3b src/xs_support.c
--- a/src/xs_support.c	Fri Nov 09 07:46:29 2012 +0200
+++ b/src/xs_support.c	Fri Nov 09 07:47:05 2012 +0200
@@ -73,6 +73,28 @@
 #endif
 
 
+gboolean xs_is_dir_path(const gchar *path)
+{
+    XSFile *fp = xs_fopen(path, "rb");
+    if (fp != NULL)
+    {
+        xs_fclose(fp);
+        return FALSE;
+    }
+    else
+        return TRUE;
+}
+
+
+gchar *xs_get_dir_path(const gchar *path)
+{
+    if (xs_is_dir_path(path))
+        return g_dirname(path);
+    else
+        return g_strdup(path);
+}
+
+
 guint16 xs_fread_be16(XSFile *f)
 {
     return (((guint16) xs_fgetc(f)) << 8) | ((guint16) xs_fgetc(f));
diff -r f1b33b5e153d -r c835aa129e3b src/xs_support.h
--- a/src/xs_support.h	Fri Nov 09 07:46:29 2012 +0200
+++ b/src/xs_support.h	Fri Nov 09 07:47:05 2012 +0200
@@ -124,6 +124,9 @@
 gboolean xs_fload_buffer_path(const gchar *ppath, const gchar *pfilename,
     guint8 **pbuf, size_t *bufSize, const size_t maxSize, gboolean failMaxSize);
 
+gboolean xs_is_dir_path(const gchar *path);
+gchar *xs_get_dir_path(const gchar *path);
+
 
 /* Error messages and debugging
  */