X-Git-Url: http://git.tuebingen.mpg.de/?p=adu.git;a=blobdiff_plain;f=format.c;h=e8a9a28617656700fda8352ec82bd1fb2517e144;hp=37bb087ba02fff7f472d14b0739e715626263c26;hb=ca20c17a6742464bcf861fe856a4caddf2bfeab2;hpb=9e41a10fbee567866d78903b11646d341cfd9882

diff --git a/format.c b/format.c
index 37bb087..e8a9a28 100644
--- a/format.c
+++ b/format.c
@@ -4,7 +4,7 @@
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
 
-/** \file format.c Functions for pretty-printing numbers and strings. */
+/** \file format.c \brief Functions for pretty-printing numbers and strings. */
 
 #include <dirent.h> /* readdir() */
 #include "adu.h"
@@ -14,6 +14,7 @@
 #include "error.h"
 #include "format.h"
 
+/** The three different alignment types. */
 enum alignment {ALIGN_LEFT, ALIGN_RIGHT, ALIGN_CENTER};
 
 struct num_format {
@@ -457,5 +458,7 @@ char *format_items(struct format_info *info, union atom_value *values)
 		buf = adu_strcat(buf, val);
 		free(val);
 	}
+	if (!buf)
+		buf = adu_strdup("");
 	return buf;
 }