-// $Id: util-isnumber.hc 2255 2006-01-22 11:23:47Z ensc $ --*- c -*--
-
-// Copyright (C) 2006 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
-//
-// 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; version 2 of the License.
-//
-// 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.
-
-#include <stdbool.h>
-#include <stdlib.h>
-#include <errno.h>
-
-#define ENSC_DECL_UTIL_ISNUMBER(NAME,TYPE,FUNC) \
- bool \
- NAME(char const *str, TYPE *result, bool is_strict) \
- { \
- char * errptr; \
- TYPE val; \
- unsigned int fac = 1; \
- \
- errno = 0; \
- val = FUNC(str, &errptr, 0); \
- if (errno==ERANGE) \
- return false; \
- if (errptr!=str && !is_strict) { \
- switch (*errptr) { \
- case 'M' : fac *= 1024; /* fallthrough */ \
- case 'K' : fac *= 1024; ++errptr; break; \
- case 'm' : fac *= 1000; /* fallthrough */ \
- case 'k' : fac *= 1000; ++errptr; break; \
- default : break; \
- } \
- } \
- if (!checkConstraints(val,fac)) \
- return false; \
- \
- if (*errptr!='\0' || errptr==str) \
- return false; \
- else { \
- if (result) *result = val*fac; \
- return true; \
- } \
- }