Minor code changes across all sources

native/jni/resetprop/private/resetprop.h

@@ -0,0 +1,57 @@
+#pragma once
+
+#include <string>
+#include <logging.h>
+
+#include "system_properties.h"
+
+struct prop_t {
+	char *name;
+	char value[PROP_VALUE_MAX];
+	prop_t() : name(nullptr) {}
+	explicit prop_t(const char *name) {
+		this->name = strdup(name);
+		value[0] = '\0';
+	}
+	prop_t(const char *name, const char *value) {
+		this->name = strdup(name);
+		strcpy(this->value, value);
+	}
+	prop_t(prop_t &&prop): name(nullptr) {
+		operator=(std::move(prop));
+	}
+	bool operator<(const prop_t &prop) const {
+		return strcmp(name, prop.name) < 0;
+	}
+	prop_t& operator=(prop_t &&prop) {
+		if (this != &prop) {
+			free(name);
+			name = prop.name;
+			strcpy(value, prop.value);
+			prop.name = nullptr;
+		}
+		return *this;
+	};
+	~prop_t() {
+		free(name);
+	}
+};
+
+struct read_cb_t {
+	void (*cb)(const char *, const char *, void *);
+	void *arg;
+	explicit read_cb_t(void (*cb)(const char *, const char *, void *) = nullptr, void *arg = nullptr)
+			: cb(cb), arg(arg) {}
+	void exec(const char *name, const char *value) {
+		cb(name, value, arg);
+	}
+};
+
+#define PERSISTENT_PROPERTY_DIR  "/data/property"
+
+extern bool use_pb;
+
+std::string persist_getprop(const char *name);
+void persist_getprop(read_cb_t *read_cb);
+bool persist_deleteprop(const char *name);
+void collect_props(const char *name, const char *value, void *v_plist);