1 /*
2 * Copyright (c) 2020 HiSilicon (Shanghai) Technologies CO., LIMITED.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 * Description: 系统适配层字符串接口实现（此文件为DEMO，需集成方适配修改）
15 */
16 #include "hilink_str_adapter.h"
17 #include <stdlib.h>
18 #include <string.h>
19
HILINK_Strlen(const char * src)20 unsigned int HILINK_Strlen(const char *src)
21 {
22 if (src == NULL) {
23 return 0;
24 }
25 return (unsigned int)strlen(src);
26 }
27
HILINK_Strchr(const char * str,int ch)28 char *HILINK_Strchr(const char *str, int ch)
29 {
30 if (str == NULL) {
31 return NULL;
32 }
33
34 return strchr(str, ch);
35 }
36
HILINK_Strrchr(const char * str,int ch)37 char *HILINK_Strrchr(const char *str, int ch)
38 {
39 if (str == NULL) {
40 return NULL;
41 }
42
43 return strrchr(str, ch);
44 }
45
HILINK_Atoi(const char * str)46 int HILINK_Atoi(const char *str)
47 {
48 if (str == NULL) {
49 return 0;
50 }
51 return atoi(str);
52 }
53
HILINK_Strstr(const char * str1,const char * str2)54 char *HILINK_Strstr(const char *str1, const char *str2)
55 {
56 if ((str1 == NULL) || (str2 == NULL)) {
57 return NULL;
58 }
59 return strstr(str1, str2);
60 }
61
HILINK_Strcmp(const char * str1,const char * str2)62 int HILINK_Strcmp(const char *str1, const char *str2)
63 {
64 if ((str1 == NULL) && (str2 == NULL)) {
65 return 0;
66 }
67 if ((str1 != NULL) && (str2 == NULL)) {
68 return 1;
69 }
70 if ((str1 == NULL) && (str2 != NULL)) {
71 return -1;
72 }
73
74 return strcmp(str1, str2);
75 }
76
HILINK_Strncmp(const char * str1,const char * str2,unsigned int len)77 int HILINK_Strncmp(const char *str1, const char *str2, unsigned int len)
78 {
79 if ((str1 == NULL) && (str2 == NULL)) {
80 return 0;
81 }
82 if ((str1 != NULL) && (str2 == NULL)) {
83 return 1;
84 }
85 if ((str1 == NULL) && (str2 != NULL)) {
86 return -1;
87 }
88
89 return strncmp(str1, str2, len);
90 }