minor bug fix

diff --git a/util/cpp/domacro.c b/util/cpp/domacro.c
index 8a5cf00..3788c61 100644 (file)
--- a/util/cpp/domacro.c
+++ b/util/cpp/domacro.c
@@ -173,7 +173,7 @@ skip_block()
                */
                id = findidf(tk.tk_str);
                free(tk.tk_str);
-               switch(id->id_resmac) {
+               if (id) switch(id->id_resmac) {
                case K_IF:
                case K_IFDEF:
                case K_IFNDEF:
@@ -298,6 +298,7 @@ do_define()
                if ((nformals = getparams(formals, parbuf)) == -1) {
                        PushBack();
                        skipline();
+                       free(str);
                        return; /* an error occurred    */
                }
                LoadChar(ch);
@@ -306,10 +307,10 @@ do_define()
        ch = skipspaces(ch);    /* find first character of the text     */
        assert(ch != EOI);
        if (class(ch) == STNL) {
-               /*      Treat `#define something' as `#define something ""'
+               /*      Treat `#define something' as `#define something "1"'
                */
-               repl_text = "";
-               length = 0;
+               repl_text = "1";
+               length = 1;
        }
        else {
                PushBack();