Constness patrol

[pspp-builds.git] / src / data / por-file-reader.c

diff --git a/src/data/por-file-reader.c b/src/data/por-file-reader.c
index b5486a4a0e3dcfa1ee795869b46a2922fe03b725..52c0cc8edab5dca9a59b142d83cf9c3466489a3e 100644 (file)
--- a/src/data/por-file-reader.c
+++ b/src/data/por-file-reader.c
@@ -79,7 +79,7 @@ struct pfm_reader
     bool ok;                    /* Set false on I/O error. */
   };
 
-static struct casereader_class por_file_casereader_class;
+static const struct casereader_class por_file_casereader_class;
 
 static void
 error (struct pfm_reader *r, const char *msg,...)
@@ -509,8 +509,9 @@ read_header (struct pfm_reader *r)
 static void
 read_version_data (struct pfm_reader *r, struct pfm_read_info *info)
 {
-  static char empty_string[] = "";
-  char *date, *time, *product, *author, *subproduct;
+  static const char empty_string[] = "";
+  char *date, *time;
+  const char *product, *author, *subproduct;
   int i;
 
   /* Read file. */
@@ -894,7 +895,7 @@ pfm_detect (FILE *file)
   return true;
 }
 
-static struct casereader_class por_file_casereader_class =
+static const struct casereader_class por_file_casereader_class =
   {
     por_file_casereader_read,
     por_file_casereader_destroy,