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prop.c
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prop.c
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/*
* Copyright (C) 2013 The CyanogenMod Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <cutils/properties.h>
#include <stdio.h>
#include <sys/system_properties.h>
#include "../../system/core/toolbox/dynarray.h"
int setprop_main(int argc, char *argv[])
{
if(argc != 3) {
fprintf(stderr,"usage: setprop <key> <value>\n");
return 1;
}
if(property_set(argv[1], argv[2])){
fprintf(stderr,"could not set property\n");
return 1;
}
return 0;
}
static void record_prop(const char* key, const char* name, void* opaque)
{
strlist_t* list = opaque;
char temp[PROP_VALUE_MAX + PROP_NAME_MAX + 16];
snprintf(temp, sizeof temp, "[%s]: [%s]", key, name);
strlist_append_dup(list, temp);
}
static void list_properties(void)
{
strlist_t list[1] = { STRLIST_INITIALIZER };
/* Record properties in the string list */
(void)property_list(record_prop, list);
/* Sort everything */
strlist_sort(list);
/* print everything */
STRLIST_FOREACH(list, str, printf("%s\n", str));
/* voila */
strlist_done(list);
}
int __system_property_wait(prop_info *pi);
int getprop_main(int argc, char *argv[])
{
int n = 0;
if (argc == 1) {
list_properties();
} else {
char value[PROPERTY_VALUE_MAX];
char *default_value;
if(argc > 2) {
default_value = argv[2];
} else {
default_value = "";
}
property_get(argv[1], value, default_value);
printf("%s\n", value);
}
return 0;
}