Changes to m4/src/Attic/builtin.c,v [branch-1_4]

[Eric Blake]

CVSROOT:        /sources/m4
Module name:    m4
Branch:         branch-1_4
Changes by:     Eric Blake <ericb>      06/10/26 21:11:56

Index: src/builtin.c
===================================================================
RCS file: /sources/m4/m4/src/Attic/builtin.c,v
retrieving revision 1.1.1.1.2.45
retrieving revision 1.1.1.1.2.46
diff -u -b -r1.1.1.1.2.45 -r1.1.1.1.2.46
--- src/builtin.c       19 Oct 2006 23:13:05 -0000      1.1.1.1.2.45
+++ src/builtin.c       26 Oct 2006 21:11:56 -0000      1.1.1.1.2.46
@@ -237,7 +237,7 @@
     free (SYMBOL_TEXT (s));
 
   SYMBOL_TYPE (s) = TOKEN_TEXT;
-  SYMBOL_TEXT (s) = xstrdup (text);
+  SYMBOL_TEXT (s) = xstrdup (text ? text : "");
 }
 
 /*-----------------------------------------------.
@@ -738,7 +738,7 @@
          if (TOKEN_DATA_TYPE (argv[i]) != TOKEN_TEXT)
            {
              TOKEN_DATA_TYPE (argv[i]) = TOKEN_TEXT;
-             TOKEN_DATA_TEXT (argv[i]) = "";
+             TOKEN_DATA_TEXT (argv[i]) = (char *) "";
            }
       bp->func (obs, argc - 1, argv + 1);
     }
@@ -779,7 +779,7 @@
          if (TOKEN_DATA_TYPE (argv[i]) != TOKEN_TEXT)
            {
              TOKEN_DATA_TYPE (argv[i]) = TOKEN_TEXT;
-             TOKEN_DATA_TEXT (argv[i]) = "";
+             TOKEN_DATA_TEXT (argv[i]) = (char *) "";
            }
       call_macro (s, argc - 1, argv + 1, obs);
     }