Spreadsheet readers: Seperate the mandatory from the optional arguments.

[pspp] / src / language / dictionary / sys-file-info.c

diff --git a/src/language/dictionary/sys-file-info.c b/src/language/dictionary/sys-file-info.c
index 596329516cf7a4c8504349dbb6cc64c45e641e4a..441054e209b29b3dfdb7434038083dd6df11ce32 100644 (file)
--- a/src/language/dictionary/sys-file-info.c
+++ b/src/language/dictionary/sys-file-info.c
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 1997-9, 2000, 2006, 2009, 2010, 2011 Free Software Foundation, Inc.
+   Copyright (C) 1997-9, 2000, 2006, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -81,7 +81,7 @@ cmd_sysfile_info (struct lexer *lexer, struct dataset *ds UNUSED)
   if (!h)
     return CMD_FAILURE;
 
-  reader = sfm_open_reader (h, &d, &info);
+  reader = sfm_open_reader (h, NULL, &d, &info);
   if (!reader)
     {
       fh_unref (h);
@@ -163,6 +163,7 @@ cmd_sysfile_info (struct lexer *lexer, struct dataset *ds UNUSED)
   dict_destroy (d);
 
   fh_unref (h);
+  sfm_read_info_destroy (&info);
   return CMD_SUCCESS;
 }
 \f
@@ -376,12 +377,15 @@ static void
 display_attributes (struct tab_table *t, const struct attrset *set, int flags,
                     int c, int r)
 {
-  struct attrset_iterator i;
-  struct attribute *attr;
+  struct attribute **attrs;
+  size_t n_attrs;
+  size_t i;
 
-  for (attr = attrset_first (set, &i); attr != NULL;
-       attr = attrset_next (set, &i)) 
+  n_attrs = attrset_count (set);
+  attrs = attrset_sorted (set);
+  for (i = 0; i < n_attrs; i++)
     {
+      const struct attribute *attr = attrs[i];
       const char *name = attribute_get_name (attr);
       size_t n_values;
       size_t i;
@@ -400,6 +404,7 @@ display_attributes (struct tab_table *t, const struct attrset *set, int flags,
           r++;
         }
     }
+  free (attrs);
 }
 
 static void