/////////////////////////////////////////////////////////////////////////////// // \author (c) Marco Paland (info@paland.com) // 2014-2018, PALANDesign Hannover, Germany // // \license The MIT License (MIT) // // 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. // // \brief Tiny printf, sprintf and snprintf implementation, optimized for speed on // embedded systems with a very limited resources. // Use this instead of bloated standard/newlib printf. // These routines are thread safe and reentrant. // /////////////////////////////////////////////////////////////////////////////// #ifndef _PRINTF_H_ #define _PRINTF_H_ #include #include #ifdef __cplusplus extern "C" { #endif /** * Tiny snprintf/vsnprintf implementation * \param buffer A pointer to the buffer where to store the formatted string * \param count The maximum number of characters to store in the buffer, including a terminating null character * \param format A string that specifies the format of the output * \return The number of characters that are WRITTEN into the buffer, not counting the terminating null character * If the formatted string is truncated the buffer size (count) is returned */ int snprintf(char* buffer, size_t count, const char* format, ...); int vsnprintf(char* buffer, size_t count, const char* format, va_list va); #ifdef __cplusplus } #endif #endif // _PRINTF_H_