725f9e8f33
Bug: 145809537 Test: ril::util::mcc::test Change-Id: Ie0b9d0a56530cc7a2146e9955d392867634d2b8b
71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
/*
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* Copyright (C) 2019 The Android Open Source Project
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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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#ifndef RIL_MCC_H
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#define RIL_MCC_H
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#include <climits>
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#include <cstdio>
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#include <string>
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namespace ril {
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namespace util {
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namespace mcc {
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/**
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* Decode an integer mcc and encode as 3 digit string
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*
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* @param an integer mcc, its range should be in 0 to 999.
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*
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* @return string representation of an encoded MCC or an empty string
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* if the MCC is not a valid MCC value.
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*/
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static inline std::string decode(int mcc) {
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char mccStr[4] = {0};
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if (mcc > 999 || mcc < 0) return "";
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snprintf(mccStr, sizeof(mccStr), "%03d", mcc);
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return mccStr;
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}
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// echo -e "#include \"hardware/ril/include/telephony/ril_mcc.h\"\nint main()"\
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// "{ return ril::util::mcc::test(); }" > ril_test.cpp \
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// && g++ -o /tmp/ril_test -DTEST_RIL_MCC ril_test.cpp; \
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// rm ril_test.cpp; /tmp/ril_test && [ $? ] && echo "passed"
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#ifdef TEST_RIL_MCC
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static int test() {
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const struct mcc_ints { const int in; const char * out; } legacy_mccs[] = {
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{INT_MAX, ""},
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{1, "001"},
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{11, "011"},
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{111, "111"},
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{0, "000"},
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{9999, ""},
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{-12, ""},
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};
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for (int i=0; i < sizeof(legacy_mccs) / sizeof(struct mcc_ints); i++) {
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if (decode(legacy_mccs[i].in).compare(legacy_mccs[i].out)) return 1;
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}
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return 0;
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}
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#endif
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}
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}
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}
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#endif /* !defined(RIL_MCC_H) */
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