should be it

external/duckdb/third_party/tpce-tool/main/strutil.cpp

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+/*
+ * Legal Notice
+ *
+ * This document and associated source code (the "Work") is a part of a
+ * benchmark specification maintained by the TPC.
+ *
+ * The TPC reserves all right, title, and interest to the Work as provided
+ * under U.S. and international laws, including without limitation all patent
+ * and trademark rights therein.
+ *
+ * No Warranty
+ *
+ * 1.1 TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE INFORMATION
+ *     CONTAINED HEREIN IS PROVIDED "AS IS" AND WITH ALL FAULTS, AND THE
+ *     AUTHORS AND DEVELOPERS OF THE WORK HEREBY DISCLAIM ALL OTHER
+ *     WARRANTIES AND CONDITIONS, EITHER EXPRESS, IMPLIED OR STATUTORY,
+ *     INCLUDING, BUT NOT LIMITED TO, ANY (IF ANY) IMPLIED WARRANTIES,
+ *     DUTIES OR CONDITIONS OF MERCHANTABILITY, OF FITNESS FOR A PARTICULAR
+ *     PURPOSE, OF ACCURACY OR COMPLETENESS OF RESPONSES, OF RESULTS, OF
+ *     WORKMANLIKE EFFORT, OF LACK OF VIRUSES, AND OF LACK OF NEGLIGENCE.
+ *     ALSO, THERE IS NO WARRANTY OR CONDITION OF TITLE, QUIET ENJOYMENT,
+ *     QUIET POSSESSION, CORRESPONDENCE TO DESCRIPTION OR NON-INFRINGEMENT
+ *     WITH REGARD TO THE WORK.
+ * 1.2 IN NO EVENT WILL ANY AUTHOR OR DEVELOPER OF THE WORK BE LIABLE TO
+ *     ANY OTHER PARTY FOR ANY DAMAGES, INCLUDING BUT NOT LIMITED TO THE
+ *     COST OF PROCURING SUBSTITUTE GOODS OR SERVICES, LOST PROFITS, LOSS
+ *     OF USE, LOSS OF DATA, OR ANY INCIDENTAL, CONSEQUENTIAL, DIRECT,
+ *     INDIRECT, OR SPECIAL DAMAGES WHETHER UNDER CONTRACT, TORT, WARRANTY,
+ *     OR OTHERWISE, ARISING IN ANY WAY OUT OF THIS OR ANY OTHER AGREEMENT
+ *     RELATING TO THE WORK, WHETHER OR NOT SUCH AUTHOR OR DEVELOPER HAD
+ *     ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.
+ *
+ * Contributors
+ * - Christopher Chan-Nui
+ */
+
+#include <iomanip>
+#include <sstream>
+#include <stdexcept>
+
+#include <cstdlib>
+#include <cerrno>
+#include <stdlib.h> // needed for strtoull which is not in the C++ headers
+
+#include "utilities/EGenStandardTypes.h"
+
+#ifdef WIN32
+#define strtoull _strtoui64
+#endif
+
+using std::strtod;
+using std::strtoul;
+
+namespace TPCE {
+
+// Converts an ASCII string into a 64 bit integer.  Accepts a scaling factor of
+// 'K', 'M', or 'G' on values.
+// ptr - string to convert
+// Returns the integral 64 bit representation
+INT64 strtoint64(const char *ptr) {
+	INT64 val;
+	char *endp;
+	errno = 0;
+	val = strtoull(ptr, &endp, 0);
+	if (errno != 0) {
+		std::ostringstream strm;
+		strm << "Unable to parse integer '" << ptr << "'" << std::endl;
+		throw std::runtime_error(strm.str());
+	}
+	switch (*endp) {
+	case 'G':
+		val *= 1000 * 1000 * 1000;
+		break;
+	case 'M':
+		val *= 1000 * 1000;
+		break;
+	case 'K':
+		val *= 1000;
+		break;
+	case '\0':
+		endp--;
+		break;
+	default:
+		std::ostringstream strm;
+		strm << "Unable to parse invalid scale factor on integer '" << ptr << "'" << std::endl;
+		throw std::runtime_error(strm.str());
+	}
+	if (*++endp != '\0') {
+		std::ostringstream strm;
+		strm << "Unable to parse trailing characters on integer '" << ptr << "'" << std::endl;
+		throw std::runtime_error(strm.str());
+	}
+	return val;
+}
+
+// Converts an ASCII string into a double.  Accepts a scaling factor of
+// 'K', 'M', or 'G' on values.
+// ptr - string to convert
+// Returns the double representation
+double strtodbl(const char *ptr) {
+	double val;
+	char *endp;
+	errno = 0;
+	val = strtod(ptr, &endp);
+	if (errno != 0) {
+		std::ostringstream strm;
+		strm << "Unable to parse floating point number '" << ptr << "'" << std::endl;
+		throw std::runtime_error(strm.str());
+	}
+	switch (*endp) {
+	case 'G':
+		val *= 1000.0 * 1000.0 * 1000.0;
+		break;
+	case 'M':
+		val *= 1000.0 * 1000.0;
+		break;
+	case 'K':
+		val *= 1000.0;
+		break;
+	case '\0':
+		endp--;
+		break;
+	default:
+		std::ostringstream strm;
+		strm << "Unable to parse invalid scale factor on floating point number '" << ptr << "'" << std::endl;
+		throw std::runtime_error(strm.str());
+	}
+	if (*++endp != '\0') {
+		std::ostringstream strm;
+		strm << "Unable to parse trailing characters on floating point number '" << ptr << "'" << std::endl;
+		throw std::runtime_error(strm.str());
+	}
+	return val;
+}
+
+// Converts an ASCII string in "HH:MM:SS" form into a INT64.  HH: or HH:MM:
+// may be omitted.
+// ptr - string to convert
+// Returns the 64 bit integer representation
+INT64 timestrtoint64(const char *ptr) {
+	INT64 val;
+	char *endp;
+	errno = 0;
+	val = strtoul(ptr, &endp, 0);
+	if (*endp == ':') {
+		val = val * 60 + strtoul(endp + 1, &endp, 0);
+		if (*endp == ':') {
+			val = val * 60 + strtoul(endp + 1, &endp, 0);
+		}
+	}
+	if (errno != 0 || *endp != '\0') {
+		std::ostringstream strm;
+		strm << "Unable to parse time '" << ptr << "'" << std::endl;
+		throw std::runtime_error(strm.str());
+	}
+	return val;
+}
+
+// Converts a 64 bit integer into an HH:MM:SS string
+// val - integer to convert
+// Returns a string containing the formatted value.
+std::string int64totimestr(INT64 val) {
+	std::ostringstream strm;
+	int sec = static_cast<int>(val % 60);
+	val /= 60;
+	int min = static_cast<int>(val % 60);
+	int hrs = static_cast<int>(val / 60);
+
+	strm << std::setfill('0');
+	if (hrs) {
+		strm << std::setw(2) << hrs << ":";
+	}
+	strm << std::setw(2) << min << ":" << std::setw(2) << sec;
+
+	return strm.str();
+}
+
+} // namespace TPCE