1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright 2015 Rockchip Electronics Co. LTD
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Licensed under the Apache License, Version 2.0 (the "License");
5*4882a593Smuzhiyun * you may not use this file except in compliance with the License.
6*4882a593Smuzhiyun * You may obtain a copy of the License at
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * http://www.apache.org/licenses/LICENSE-2.0
9*4882a593Smuzhiyun *
10*4882a593Smuzhiyun * Unless required by applicable law or agreed to in writing, software
11*4882a593Smuzhiyun * distributed under the License is distributed on an "AS IS" BASIS,
12*4882a593Smuzhiyun * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*4882a593Smuzhiyun * See the License for the specific language governing permissions and
14*4882a593Smuzhiyun * limitations under the License.
15*4882a593Smuzhiyun */
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun #if defined(_WIN32)
18*4882a593Smuzhiyun #include <stdio.h>
19*4882a593Smuzhiyun #include <stdlib.h>
20*4882a593Smuzhiyun #include "os_env.h"
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun #define ENV_BUF_SIZE_WIN 1024
23*4882a593Smuzhiyun
os_get_env_u32(const char * name,RK_U32 * value,RK_U32 default_value)24*4882a593Smuzhiyun RK_S32 os_get_env_u32(const char *name, RK_U32 *value, RK_U32 default_value)
25*4882a593Smuzhiyun {
26*4882a593Smuzhiyun char *ptr = getenv(name);
27*4882a593Smuzhiyun if (NULL == ptr) {
28*4882a593Smuzhiyun *value = default_value;
29*4882a593Smuzhiyun } else {
30*4882a593Smuzhiyun char *endptr;
31*4882a593Smuzhiyun int base = (ptr[0] == '0' && ptr[1] == 'x') ? (16) : (10);
32*4882a593Smuzhiyun errno = 0;
33*4882a593Smuzhiyun *value = strtoul(ptr, &endptr, base);
34*4882a593Smuzhiyun if (errno || (ptr == endptr)) {
35*4882a593Smuzhiyun errno = 0;
36*4882a593Smuzhiyun *value = default_value;
37*4882a593Smuzhiyun }
38*4882a593Smuzhiyun }
39*4882a593Smuzhiyun return 0;
40*4882a593Smuzhiyun }
41*4882a593Smuzhiyun
os_get_env_str(const char * name,const char ** value,const char * default_value)42*4882a593Smuzhiyun RK_S32 os_get_env_str(const char *name, const char **value, const char *default_value)
43*4882a593Smuzhiyun {
44*4882a593Smuzhiyun *value = getenv(name);
45*4882a593Smuzhiyun if (NULL == *value) {
46*4882a593Smuzhiyun *value = default_value;
47*4882a593Smuzhiyun }
48*4882a593Smuzhiyun return 0;
49*4882a593Smuzhiyun }
50*4882a593Smuzhiyun
os_set_env_u32(const char * name,RK_U32 value)51*4882a593Smuzhiyun RK_S32 os_set_env_u32(const char *name, RK_U32 value)
52*4882a593Smuzhiyun {
53*4882a593Smuzhiyun char buf[ENV_BUF_SIZE_WIN];
54*4882a593Smuzhiyun _snprintf(buf, sizeof(buf), "%s=%lu", name, value);
55*4882a593Smuzhiyun return _putenv(buf);
56*4882a593Smuzhiyun }
57*4882a593Smuzhiyun
os_set_env_str(const char * name,char * value)58*4882a593Smuzhiyun RK_S32 os_set_env_str(const char *name, char *value)
59*4882a593Smuzhiyun {
60*4882a593Smuzhiyun char buf[ENV_BUF_SIZE_WIN];
61*4882a593Smuzhiyun _snprintf(buf, sizeof(buf), "%s=%s", name, value);
62*4882a593Smuzhiyun return _putenv(buf);
63*4882a593Smuzhiyun }
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun #endif
66