1 /*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <stdarg.h>
33 #include <stdio.h>
34 #include "securec.h"
35 #include "uart.h"
36 #include "los_debug.h"
37 #include "los_interrupt.h"
38
dputs(char const * s,int (* pFputc)(int n,FILE * cookie),void * cookie)39 static void dputs(char const *s, int (*pFputc)(int n, FILE *cookie), void *cookie)
40 {
41 unsigned int intSave;
42
43 intSave = LOS_IntLock();
44 while (*s) {
45 pFputc(*s++, cookie);
46 }
47 LOS_IntRestore(intSave);
48 }
49
50 #ifdef LOSCFG_LIBC_NEWLIB
__wrap_printf(char const * fmt,...)51 int __wrap_printf(char const *fmt, ...)
52 #else /* LOSCFG_LIBC_NEWLIB */
53 int printf(char const *fmt, ...)
54 #endif /* LOSCFG_LIBC_NEWLIB */
55 {
56 #define BUFSIZE 1024 // fit the length of LOG_BUF_SIZE in hiview_log.c
57 char buf[BUFSIZE] = { 0 };
58 va_list ap;
59 va_start(ap, fmt);
60 int len = vsnprintf_s(buf, sizeof(buf), BUFSIZE - 1, fmt, ap);
61 va_end(ap);
62 if (len > 0) {
63 dputs(buf, UartPutc, 0);
64 } else {
65 dputs("printf error!\n", UartPutc, 0);
66 }
67 return len;
68 }
69
70 #define HDF_KM_LOGV 6
71 #define HDF_KM_LOGD 5
72 #define HDF_KM_LOGI 4
73 #define HDF_KM_LOGW 2
74 #define HDF_KM_LOGE 1
75 #define HDF_KM_LOG_LEVEL HDF_KM_LOGW
76
hal_trace_printf(int attr,const char * fmt,...)77 int hal_trace_printf(int attr, const char *fmt, ...)
78 {
79 if (attr > HDF_KM_LOG_LEVEL)
80 return 1;
81
82 char buf[BUFSIZE] = { 0 };
83 va_list ap;
84 va_start(ap, fmt);
85 int len = vsnprintf_s(buf, sizeof(buf), BUFSIZE - 1, fmt, ap);
86 va_end(ap);
87 if (len > 0) {
88 dputs(buf, UartPutc, 0);
89 } else {
90 dputs("printf error!\n", UartPutc, 0);
91 }
92 return len;
93 }
94
95 /* enable hilog output in LOSCFG_BASE_CORE_HILOG mode */
HiLogWriteInternal(const char * buffer,size_t bufLen)96 int HiLogWriteInternal(const char *buffer, size_t bufLen)
97 {
98 const int BUFF_TAIL_LEN = 2;
99
100 if (!buffer) {
101 return -1;
102 }
103
104 // because it's called as HiLogWriteInternal(buf, strlen(buf) + 1)
105 if (bufLen < BUFF_TAIL_LEN) {
106 return 0;
107 }
108
109 if (buffer[bufLen - BUFF_TAIL_LEN] != '\n') {
110 printf("%s\n", buffer);
111 } else {
112 dputs(buffer, UartPutc, 0);
113 }
114 return 0;
115 }
116