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+/* Copyright (c) 2010-2012 Benjamin Dobell, Glass Echidna
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.*/
+
+// C/C++ Standard Library
+#include <cerrno>
+#include <limits.h>
+#include <stdlib.h>
+
+// Heimdall
+#include "Heimdall.h"
+#include "Utility.h"
+
+using namespace Heimdall;
+
+NumberParsingStatus Utility::ParseInt(int &intValue, const char *string, int base)
+{
+ errno = 0;
+
+ char *end;
+ long longValue = strtol(string, &end, base);
+
+ if (*string == '\0' || *end != '\0')
+ {
+ return (kNumberParsingStatusInconvertible);
+ }
+ else if (errno == ERANGE)
+ {
+ intValue = (longValue == LONG_MAX) ? INT_MAX : INT_MIN;
+ return (kNumberParsingStatusRangeError);
+ }
+ else if (longValue > INT_MAX)
+ {
+ intValue = INT_MAX;
+ return (kNumberParsingStatusRangeError);
+ }
+ else if (longValue < INT_MIN)
+ {
+ intValue = INT_MIN;
+ return (kNumberParsingStatusRangeError);
+ }
+
+ intValue = longValue;
+ return (kNumberParsingStatusSuccess);
+}
+
+NumberParsingStatus Utility::ParseUnsignedInt(unsigned int &uintValue, const char *string, int base)
+{
+ errno = 0;
+
+ char *end;
+ unsigned long ulongValue = strtoul(string, &end, base);
+
+ if (*string == '\0' || *end != '\0')
+ {
+ return kNumberParsingStatusInconvertible;
+ }
+ else if (errno == ERANGE || ulongValue > INT_MAX)
+ {
+ uintValue = UINT_MAX;
+ return (kNumberParsingStatusRangeError);
+ }
+
+ uintValue = ulongValue;
+ return (kNumberParsingStatusSuccess);
+}