1 /*
2 * Copyright (c) 2022 HPMicro
3 *
4 * Redistribution and use in source and binary forms, with or without modification,
5 * are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright notice, this list of
8 * conditions and the following disclaimer.
9 *
10 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
11 * of conditions and the following disclaimer in the documentation and/or other materials
12 * provided with the distribution.
13 *
14 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific prior written
16 * permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
27 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
28 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include <stdarg.h>
32 #include <stdio.h>
33 #include "securec.h"
34 #include "uart.h"
35 #include "los_debug.h"
36 #include "los_interrupt.h"
37
dputs(char const * s,int (* pFputc)(int n,void * file),void * file)38 static void dputs(char const *s, int (*pFputc)(int n, void *file), void *file)
39 {
40 unsigned int intSave;
41
42 intSave = LOS_IntLock();
43 while (*s) {
44 pFputc(*s++, file);
45 }
46 LOS_IntRestore(intSave);
47 }
48
__wrap_printf(char const * fmt,...)49 int __wrap_printf(char const *fmt, ...)
50 {
51 char logBuf[1024];
52 va_list sap;
53 va_start(sap, fmt);
54 int len = vsnprintf_s(logBuf, sizeof(logBuf), sizeof(logBuf) - 1, fmt, sap);
55 va_end(sap);
56 if (len > 0) {
57 dputs(logBuf, UartPutc, 0);
58 } else {
59 dputs("printf error!\n", UartPutc, 0);
60 }
61 return len;
62 }
63
64 /* enable hilog output in LOSCFG_BASE_CORE_HILOG mode */
HiLogWriteInternal(const char * buffer,size_t bufLen)65 int HiLogWriteInternal(const char *buffer, size_t bufLen)
66 {
67 const int BUFF_TAIL_LEN = 2;
68
69 if (!buffer) {
70 return -1;
71 }
72
73 // because it's called as HiLogWriteInternal(buf, strlen(buf) + 1)
74 if (bufLen < BUFF_TAIL_LEN) {
75 return 0;
76 }
77
78 if (buffer[bufLen - BUFF_TAIL_LEN] != '\n') {
79 printf("%s\n", buffer);
80 } else {
81 dputs(buffer, UartPutc, 0);
82 }
83 return 0;
84 }
85