1 /* ---------------------------------------------------------------------------- 2 * Copyright (c) Huawei Technologies Co., Ltd. 2019-2019. All rights reserved. 3 * Description: printf 4 * Redistribution and use in source and binary forms, with or without modification, 5 * are permitted provided that the following conditions are met: 6 * 1. Redistributions of source code must retain the above copyright notice, this list of 7 * conditions and the following disclaimer. 8 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 9 * of conditions and the following disclaimer in the documentation and/or other materials 10 * provided with the distribution. 11 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 12 * to endorse or promote products derived from this software without specific prior written 13 * permission. 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 16 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 21 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 22 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 24 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * --------------------------------------------------------------------------- */ 26 27 #ifndef _COMMON_PRINTF_H__ 28 #define _COMMON_PRINTF_H__ 29 30 #include "los_typedef.h" 31 #include "stdarg.h" 32 33 #ifdef __cplusplus 34 #if __cplusplus 35 extern "C" { 36 #endif /* __cplusplus */ 37 #endif /* __cplusplus */ 38 39 #define MAX_PRINT_SIZE (256) 40 41 typedef int (* OS_SENDCHR2CHL_HOOK_FUNC)(const char*, unsigned int, const void*); 42 typedef int (*OUTPUT_FUNC)(const char *str, unsigned int length, void *state); 43 typedef int (* OS_PRINTF_HOOK_FUNC)(const char *format, va_list arg, OUTPUT_FUNC fPutc, void *cookie); 44 45 LITE_OS_SEC_TEXT void register_log_hook(OS_SENDCHR2CHL_HOOK_FUNC uartFun); 46 47 extern OS_SENDCHR2CHL_HOOK_FUNC g_logHook; 48 extern OS_PRINTF_HOOK_FUNC g_dprintfHook; 49 50 #ifdef __cplusplus 51 #if __cplusplus 52 } 53 #endif /* __cplusplus */ 54 #endif /* __cplusplus */ 55 56 #endif /* _COMMON_PRINTF_H__ */ 57