X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fdictionary.c;h=467f347efd9f5a5e290435265cbd1077032bfb0b;hb=d8fdf0b4fa919e48397b438e9453d6b82215ff51;hp=2ad94ca4db4de79841daf97cbb338fecf40bacf2;hpb=ca0a72e321421d02a1fd6df943425eff4bd1a257;p=pspp-builds.git

diff --git a/src/data/dictionary.c b/src/data/dictionary.c
index 2ad94ca4..467f347e 100644
--- a/src/data/dictionary.c
+++ b/src/data/dictionary.c
@@ -1228,12 +1228,14 @@ dict_get_label (const struct dictionary *d)
 }
 
 /* Sets D's file label to LABEL, truncating it to a maximum of 60
-   characters. */
+   characters.
+
+   Removes D's label if LABEL is null or the empty string. */
 void
 dict_set_label (struct dictionary *d, const char *label)
 {
   free (d->label);
-  d->label = label != NULL ? xstrndup (label, 60) : NULL;
+  d->label = label != NULL && label[0] != '\0' ? xstrndup (label, 60) : NULL;
 }
 
 /* Returns the documents for D, or a null pointer if D has no