# HG changeset patch
# User Colin Clark <colin.clark@cclark.uk>
# Date 1530268069 -3600
# Node ID 3ff45da4e250a402d92c1d237496b445e4fae4d0
# Parent  9113bf368caa0aecc2a0da0a0310fad820716897
Addl fix #147: Darktable XMP Sidecar Files not grouped

https://github.com/BestImageViewer/geeqie/issues/147

In some cases remove_level_from_path() returned NULL instead of a
zero-length string.
This caused problems when followed by a strcmp()

diff -r 9113bf368caa -r 3ff45da4e250 src/ui_fileops.c
--- a/src/ui_fileops.c	Thu Jun 28 19:22:21 2018 +0100
+++ b/src/ui_fileops.c	Fri Jun 29 11:27:49 2018 +0100
@@ -823,14 +823,14 @@
 {
 	const gchar *base;
 
-	if (!path) return NULL;
+	if (!path) return g_strdup("");
 
 	base = strrchr(path, G_DIR_SEPARATOR);
 	/* Take account of a file being in the root ( / ) folder - ensure the returned value
 	 * is at least one character long */
 	if (base) return g_strndup(path, (strlen(path)-strlen(base)) == 0 ? 1 : (strlen(path)-strlen(base)));
 
-	return NULL;
+	return g_strdup("");
 }
 
 gboolean file_extension_match(const gchar *path, const gchar *ext)