Made case_{reader,writer}_class structures const.

[pspp-builds.git] / src / data / sys-file-writer.c

diff --git a/src/data/sys-file-writer.c b/src/data/sys-file-writer.c
index acf9d5c0b681d4d702a52b81b6798bc93a54358c..c5392666ff9d441d33b139c688d1a77b638e42b8 100644 (file)
--- a/src/data/sys-file-writer.c
+++ b/src/data/sys-file-writer.c
@@ -90,7 +90,7 @@ struct sfm_writer
                                    for long string variables. */
   };
 
-static struct casewriter_class sys_file_casewriter_class;
+static const struct casewriter_class sys_file_casewriter_class;
 
 static void write_header (struct sfm_writer *, const struct dictionary *);
 static void write_variable (struct sfm_writer *, const struct variable *);
@@ -421,7 +421,7 @@ write_variable (struct sfm_writer *w, const struct variable *v)
   /* Number of missing values.  If there is a range, then the
      range counts as 2 missing values and causes the number to be
      negated. */
-  write_int (w, mv_has_range (mv) ? 2 - mv_n_values (mv) : mv_n_values (mv));
+  write_int (w, mv_has_range (mv) ? -2 - mv_n_values (mv) : mv_n_values (mv));
 
   /* Print and write formats. */
   write_format (w, *var_get_print_format (v), seg0_width);
@@ -751,7 +751,7 @@ close_writer (struct sfm_writer *w)
 }
 
 /* System file writer casewriter class. */
-static struct casewriter_class sys_file_casewriter_class =
+static const struct casewriter_class sys_file_casewriter_class =
   {
     sys_file_casewriter_write,
     sys_file_casewriter_destroy,