* lib/xstrdup.c: New file, from the fileutils.

* src/reader.c (parse_token_decl, get_type_name, parse_type_decl)
(parse_assoc_decl, parse_thong_decl, get_type): Use `xstrdup'
instead of strlen + xmalloc + strcpy.
* src/symtab.c (copys): Remove, use xstrdup instead.

lib/Makefile.am

@@ -6,7 +6,7 @@ noinst_LIBRARIES = libbison.a
 
 INCLUDES = -I.. -I$(srcdir) -I../intl
 
-libbison_a_SOURCES = getopt.c getopt1.c xmalloc.c
+libbison_a_SOURCES = getopt.c getopt1.c xmalloc.c xstrdup.c
 noinst_HEADERS = getopt.h xalloc.h
 
 libbison_a_LIBADD = @LIBOBJS@ @ALLOCA@

lib/xstrdup.c

@@ -0,0 +1,46 @@
+/* xstrdup.c -- copy a string with out of memory checking
+   Copyright (C) 1990, 1996, 1998 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#ifndef PARAMS
+# if defined PROTOTYPES || (defined __STDC__ && __STDC__)
+#  define PARAMS(Args) Args
+# else
+#  define PARAMS(Args) ()
+# endif
+#endif
+
+#if STDC_HEADERS || HAVE_STRING_H
+# include <string.h>
+#else
+# include <strings.h>
+#endif
+
+#include <sys/types.h>
+
+char *xmalloc PARAMS ((size_t n));
+
+/* Return a newly allocated copy of STRING.  */
+
+char *
+xstrdup (const char *string)
+{
+  return strcpy (xmalloc (strlen (string) + 1), string);
+}