Added stringToInt64() to IceUtil. (Windows only for the moment)

1 files changed, 59 insertions, 0 deletions

diff --git a/cpp/src/IceUtil/InputUtil.cpp b/cpp/src/IceUtil/InputUtil.cpp
new file mode 100644
index 00000000000..54eaa341889
--- /dev/null
+++ b/cpp/src/IceUtil/InputUtil.cpp
@@ -0,0 +1,59 @@
+// **********************************************************************
+//
+// Copyright (c) 2001
+// MutableRealms, Inc.
+// Huntsville, AL, USA
+//
+// All Rights Reserved
+//
+// **********************************************************************
+
+#include <IceUtil/InputUtil.h>
+#include <stdlib.h>
+
+using namespace std;
+
+namespace IceUtil
+{
+
+Int64
+strToInt64(const char* s, char** endptr, int base)
+{
+#if defined(_WIN32)
+    // TODO: WIN32 implementation is missing
+#else
+    return strtoll(s, endptr, base);
+#endif
+}
+
+bool
+stringToInt64(const string& stringToParse, Int64& result, string::size_type& pos)
+{
+    string::const_iterator i = stringToParse.begin();
+    while(i != stringToParse.end() && isspace(*i))
+    {
+	++i;
+    }
+    if(i == stringToParse.end())	// String empty or nothing but whitespace
+    {
+	result = 0;
+	pos = string::npos;
+	return false;
+    }
+    string::const_reverse_iterator j = stringToParse.rbegin();
+    while(isspace(*j))
+    {
+	++j;
+    }					// j now points at last non-whitespace char
+
+    string nonWhite(i, j.base());	// nonWhite has leading and trailing whitespace stripped
+
+    errno = 0;
+    const char* startp = nonWhite.c_str();
+    char* endp;
+    result = strtoll(startp, &endp, 0);
+    pos = *endp == '\0' ? string::npos : (i - stringToParse.begin()) + (endp - startp);
+    return startp != endp && errno != ERANGE && errno != EINVAL;
+}
+
+}