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e3c0fc8412
git-svn-id: https://10.10.10.66:8443/svn/MediaProcessPlatform/trunk/mpp@33 6e48237b-75ef-9749-8fc9-41990f28c85a
74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
/*
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* Copyright 2010 Rockchip Electronics S.LSI Co. LTD
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include "os_env.h"
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#include <sys/system_properties.h>
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/*
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* NOTE: __system_property_set only available after android-21
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* So the library should compiled on latest ndk
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*/
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RK_S32 os_get_env_u32(const char *name, RK_U32 *val)
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{
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RK_S32 ret = -1;
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char value[PROP_VALUE_MAX+1];
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int len = __system_property_get(name, value);
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*val = 0;
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if (len > 0) {
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char *endptr;
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int base = (value[0] == '0' && value[1] == 'x')?(16):(10);
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errno = 0;
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*val = strtoul(value, &endptr, base);
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if (errno || (value == endptr)) {
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errno = 0;
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} else {
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ret = 0;
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}
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}
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return ret;
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}
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RK_S32 os_get_env_str(const char *name, char **val)
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{
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// use unsigned char to avoid warnning
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static unsigned char env_str[2][PROP_VALUE_MAX+1];
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static RK_U32 env_idx = 0;
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char *value = (char *)env_str[env_idx];
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int len = __system_property_get(name, value);
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*val = (len)?(value):(NULL);
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env_idx = (len)?(!env_idx):(env_idx);
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return (len)?(0):(-1);
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}
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RK_S32 os_set_env_u32(const char *name, RK_U32 val)
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{
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char buf[PROP_VALUE_MAX+1+2];
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snprintf(buf, sizeof(buf), "0x%x", val);
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int len = __system_property_set(name, buf);
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return (len)?(0):(-1);
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}
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RK_S32 os_set_env_str(const char *name, char *val)
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{
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int len = __system_property_set(name, val);
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return (len)?(0):(-1);
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}
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