+/* Convert string representation of a number into an intmax_t value.
+
+ Copyright (C) 1999, 2001, 2002, 2003, 2004, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+/* Written by Paul Eggert. */
+
+#include <config.h>
+
+/* Verify interface. */
+#include <inttypes.h>
+
+#include <stdlib.h>
+
+#include "verify.h"
+
+#ifdef UNSIGNED
+# ifndef HAVE_DECL_STRTOULL
+"this configure-time declaration test was not run"
+# endif
+# if !HAVE_DECL_STRTOULL && HAVE_UNSIGNED_LONG_LONG_INT
+unsigned long long int strtoull (char const *, char **, int);
+# endif
+
+#else
+
+# ifndef HAVE_DECL_STRTOLL
+"this configure-time declaration test was not run"
+# endif
+# if !HAVE_DECL_STRTOLL && HAVE_LONG_LONG_INT
+long long int strtoll (char const *, char **, int);
+# endif
+#endif
+
+#ifdef UNSIGNED
+# define Have_long_long HAVE_UNSIGNED_LONG_LONG_INT
+# define Int uintmax_t
+# define Unsigned unsigned
+# define strtoimax strtoumax
+# define strtol strtoul
+# define strtoll strtoull
+#else
+# define Have_long_long HAVE_LONG_LONG_INT
+# define Int intmax_t
+# define Unsigned
+#endif
+
+Int
+strtoimax (char const *ptr, char **endptr, int base)
+{
+#if Have_long_long
+ verify (sizeof (Int) == sizeof (Unsigned long int)
+ || sizeof (Int) == sizeof (Unsigned long long int));
+
+ if (sizeof (Int) != sizeof (Unsigned long int))
+ return strtoll (ptr, endptr, base);
+#else
+ verify (sizeof (Int) == sizeof (Unsigned long int));
+#endif
+
+ return strtol (ptr, endptr, base);
+}