/indra/llcommon/u64.h
https://bitbucket.org/lindenlab/viewer-beta/ · C++ Header · 74 lines · 8 code · 7 blank · 59 comment · 0 complexity · 9bb6f7fa77eb7f707280f08f05ade07e MD5 · raw file
- /**
- * @file u64.h
- * @brief Utilities to deal with U64s.
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- *
- * This library 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
- * $/LicenseInfo$
- */
- #ifndef LL_U64_H
- #define LL_U64_H
- /**
- * @brief Forgivingly parse a null terminated character array.
- *
- * @param str The string to parse.
- * @return Returns the first U64 value found in the string or 0 on failure.
- */
- LL_COMMON_API U64 str_to_U64(const std::string& str);
- /**
- * @brief Given a U64 value, return a printable representation.
- * @param value The U64 to turn into a printable character array.
- * @return Returns the result string.
- */
- LL_COMMON_API std::string U64_to_str(U64 value);
- /**
- * @brief Given a U64 value, return a printable representation.
- *
- * The client of this function is expected to provide an allocated
- * buffer. The function then snprintf() into that buffer, so providing
- * NULL has undefined behavior. Providing a buffer which is too small
- * will truncate the printable value, so usually you want to declare
- * the buffer:
- *
- * char result[U64_BUF];
- * std::cout << "value: " << U64_to_str(value, result, U64_BUF);
- *
- * @param value The U64 to turn into a printable character array.
- * @param result The buffer to use
- * @param result_size The size of the buffer allocated. Use U64_BUF.
- * @return Returns the result pointer.
- */
- LL_COMMON_API char* U64_to_str(U64 value, char* result, S32 result_size);
- /**
- * @brief Convert a U64 to the closest F64 value.
- */
- LL_COMMON_API F64 U64_to_F64(const U64 value);
- /**
- * @brief Helper function to wrap strtoull() which is not available on windows.
- */
- LL_COMMON_API U64 llstrtou64(const char* str, char** end, S32 base);
- #endif