Added variable/parameter matching and error reporting

[pspp] / src / loop.c

diff --git a/src/loop.c b/src/loop.c
index 784ca623229b0244ac6c9a07848b32748962c8e1..06936778ef0f990751174373f5b7499a339c4eee 100644 (file)
--- a/src/loop.c
+++ b/src/loop.c
@@ -32,6 +32,9 @@
 #include "str.h"
 #include "var.h"
 
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+
 #include "debug-print.h"
 
 /* LOOP strategy:
@@ -224,7 +227,7 @@ internal_cmd_loop (void)
        }
     }
   else
-    name[0] = 0;
+    name[0] = '\0';
 
   /* Parse IF clause. */
   if (lex_match_id ("IF"))
@@ -243,7 +246,7 @@ internal_cmd_loop (void)
     }
 
   /* Find variable; create if necessary. */
-  if (name[0])
+  if (name[0] != '\0')
     {
       two->index = dict_lookup_var (default_dict, name);
       if (!two->index)