1 /* 2 * Copyright (c) 2015 Linaro Limited 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 /* 29 * This file provides extensions to the standard snprintf() and vsnprintf() 30 * functions. These 'k' variants support additional formats. 31 */ 32 33 #ifndef PRINTK_H 34 #define PRINTK_H 35 36 #include <stddef.h> 37 #include <stdarg.h> 38 #include <stdbool.h> 39 40 int snprintk(char *str, size_t size, const char *fmt, ...) 41 __attribute__((__format__(__printf__, 3, 4))); 42 int vsnprintk(char *str, size_t size, const char *fmt, va_list ap) 43 __attribute__((__format__(__printf__, 3, 0))); 44 45 int __vsnprintf(char *str, size_t size, const char *fmt, va_list ap, 46 bool ext) __attribute__((__format__(__printf__, 3, 0))); 47 48 #endif /* PRINTK_H */ 49