#if X=3 caused infinite loop

diff --git a/util/cpp/LLlex.c b/util/cpp/LLlex.c
index 8180adb..70e3718 100644 (file)
--- a/util/cpp/LLlex.c
+++ b/util/cpp/LLlex.c
@@ -53,7 +53,6 @@ GetToken(ptok)
 
 again: /* rescan the input after an error or replacement       */
        LoadChar(c);
-go_on:
        if ((c & 0200) && c != EOI)
                fatal("non-ascii '\\%03o' read", c & 0377);
        switch (class(c)) {     /* detect character class       */
@@ -118,13 +117,11 @@ go_on:
                        PushBack();
                        return ptok->tk_symb = c;
                case '=':
-                       if (nch == '=')
-                               return ptok->tk_symb = EQUAL;
-                       /*      The following piece of code tries to recognise
-                               old-fashioned assignment operators `=op'
-                       */
-                       error("illegal character");
-                       goto go_on;
+                       if (nch != '=') {
+                               PushBack();
+                               error("missing =");
+                       }
+                       return ptok->tk_symb = EQUAL;
                case '>':
                        if (nch == '=')
                                return ptok->tk_symb = GREATEREQ;