.

1 files changed, 58 insertions, 0 deletions

diff --git a/lib/strtoumax.c b/lib/strtoumax.c
new file mode 100644
index 000000000..26d28ff36
--- /dev/null
+++ b/lib/strtoumax.c
@@ -0,0 +1,58 @@
+/* Convert string representation of a number into an uintmax_t value.
+   Copyright 1999 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.  */
+
+/* Written by Paul Eggert. */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#if HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+
+#if HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
+
+#ifndef PARAMS
+# if defined PROTOTYPES || defined __STDC__
+#  define PARAMS(Args) Args
+# else
+#  define PARAMS(Args) ()
+# endif
+#endif
+
+#if HAVE_UNSIGNED_LONG_LONG && ! HAVE_STRTOULL
+  unsigned long long strtoull PARAMS ((char const *, char **, int));
+#endif
+
+uintmax_t
+strtoumax (char const *ptr, char **endptr, int base)
+{
+#define USE_IF_EQUIVALENT(function) \
+    if (sizeof (uintmax_t) == sizeof function (ptr, endptr, base)) \
+      return function (ptr, endptr, base);
+
+#if HAVE_UNSIGNED_LONG_LONG
+    USE_IF_EQUIVALENT (strtoull)
+#endif
+
+  USE_IF_EQUIVALENT (strtoul)
+
+  abort ();
+}