X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fdata%2Fdictionary.c;h=2d99f6d72cfe2a7e6dc442102f16a4dc687cbe32;hb=c3d6b68809037b48ff51dd693a0c8e75bcc30d7a;hp=c8f58516ecc79d1d6a7bc78a29353f838745634c;hpb=d9fc15ceb74cdc66487ba9aaed04246170729640;p=pspp-builds.git

diff --git a/src/data/dictionary.c b/src/data/dictionary.c
index c8f58516..2d99f6d7 100644
--- a/src/data/dictionary.c
+++ b/src/data/dictionary.c
@@ -87,6 +87,8 @@ struct dictionary
 static void dict_unset_split_var (struct dictionary *, struct variable *);
 static void dict_unset_mrset_var (struct dictionary *, struct variable *);
 
+/* Returns the encoding for data in dictionary D.  The return value is a
+   nonnull string that contains an IANA character set name. */
 const char *
 dict_get_encoding (const struct dictionary *d)
 {
@@ -181,7 +183,9 @@ dict_create (const char *encoding)
    dictionary.  If the new dictionary won't be used to access
    cases produced with the old dictionary, then the new
    dictionary's case indexes should be compacted with
-   dict_compact_values to save space. */
+   dict_compact_values to save space.
+
+   Callbacks are not cloned. */
 struct dictionary *
 dict_clone (const struct dictionary *s)
 {
@@ -192,8 +196,7 @@ dict_clone (const struct dictionary *s)
 
   /* Set the new dictionary's encoding early so that string length limitations
      are interpreted correctly. */
-  if ( s->encoding)
-    d->encoding = xstrdup (s->encoding);
+  d->encoding = xstrdup (s->encoding);
 
   for (i = 0; i < s->var_cnt; i++)
     {