readelf: segfault at readelf.c:12227

[thirdparty/binutils-gdb.git] / binutils / arlex.l

diff --git a/binutils/arlex.l b/binutils/arlex.l
index 48523e4aac9ababe6110099bb593170c8d0de37c..8ee5ce0d397e66a98f25b96f41b226bb5e49b863 100644 (file)
--- a/binutils/arlex.l
+++ b/binutils/arlex.l
@@ -1,8 +1,9 @@
+%option noinput nounput noyywrap
+
 %{
 /* arlex.l - Strange script language lexer */
 
-/* Copyright 1992, 1997, 2000, 2001, 2002, 2003, 2004, 2005, 2007
-   Free Software Foundation, Inc.
+/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
 
    This file is part of GNU Binutils.
 
@@ -29,7 +30,9 @@
 #include "libiberty.h"
 #include "arparse.h"
 
+#ifndef YY_NO_UNPUT
 #define YY_NO_UNPUT
+#endif
 
 extern int yylex (void);
 
@@ -75,17 +78,13 @@ int linenumber;
 "("             { return '('; }
 ")"             { return ')'; }
 ","             { return ','; }
-[A-Za-z0-9/\\$:.\-\_]+  {      
+[A-Za-z0-9/\\$:.\-\_]+  {
                yylval.name =  xstrdup (yytext);
                return FILENAME;
                }
 "*".*          { }
 ";".*          { }
 " "            { }
-"\n"            { linenumber ++; return NEWLINE; }     
+"\n"            { linenumber ++; return NEWLINE; }
 
 %%
-#ifndef yywrap
-/* Needed for lex, though not flex. */
-int yywrap(void) { return 1; }
-#endif