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sm6250-common: Initial variant handler libinit

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* This libinit has been made to commonize device variants props handling

[dereference23: Adapt for Xiaomi SM6250]
Signed-off-by: Alexander Winkowski <dereference23@outlook.com>
Change-Id: Iab68ff451ab1d6e861fb4cda4ef07fad3123ecde
This commit is contained in:
Sebastiano Barezzi
2021-06-23 19:34:32 +02:00
committed by Alexander Winkowski
parent 223d20e8cd
commit 27c7899680
9 changed files with 260 additions and 0 deletions
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42
libinit/libinit_utils.cpp Normal file
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/*
* Copyright (C) 2021 The LineageOS Project
*
* SPDX-License-Identifier: Apache-2.0
*/
#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
#include <sys/_system_properties.h>
#include <vector>
#include <libinit_utils.h>
void property_override(std::string prop, std::string value, bool add) {
auto pi = (prop_info *) __system_property_find(prop.c_str());
if (pi != nullptr) {
__system_property_update(pi, value.c_str(), value.length());
} else if (add) {
__system_property_add(prop.c_str(), prop.length(), value.c_str(), value.length());
}
}
std::vector<std::string> ro_props_default_source_order = {
"odm.",
"product.",
"system.",
"system_ext.",
"vendor.",
"",
};
void set_ro_build_prop(const std::string &prop, const std::string &value, bool product) {
std::string prop_name;
for (const auto &source : ro_props_default_source_order) {
if (product)
prop_name = "ro.product." + source + prop;
else
prop_name = "ro." + source + "build." + prop;
property_override(prop_name, value, true);
}
}