/************************************************************ * lib_sprintf.c * * Copyright (C) 2007 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name Gregory Nutt nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ************************************************************/ /************************************************************ * Included Files ************************************************************/ #include #include "lib_internal.h" /************************************************************ * Definitions ************************************************************/ /************************************************************ * Private Type Declarations ************************************************************/ /************************************************************ * Private Function Prototypes ************************************************************/ /************************************************************ * Global Constant Data ************************************************************/ /************************************************************ * Global Variables ************************************************************/ /************************************************************ * Private Constant Data ************************************************************/ /************************************************************ * Private Variables ************************************************************/ /************************************************************ * Global Functions ************************************************************/ /************************************************************ * sprintf ************************************************************/ int sprintf (char *buf, const char *fmt, ...) { struct lib_memstream_s memstream; va_list ap; int n; /* Initialize a memory stream to write to the buffer */ lib_memstream(&memstream, buf, LIB_BUFLEN_UNKNOWN); /* Then let lib_vsprintf do the real work */ va_start(ap, fmt); n = lib_vsprintf(&memstream.public, fmt, ap); va_end(ap); return n; }