mirror of
https://github.com/googleprojectzero/Jackalope
synced 2026-06-08 14:27:44 +00:00
Ivan Fratric
48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
/*
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Copyright 2020 Google LLC
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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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https://www.apache.org/licenses/LICENSE-2.0
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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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#define _CRT_SECURE_NO_WARNINGS
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#include "string.h"
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#include "common.h"
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#include "instrumentation.h"
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#include <sstream>
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std::string Instrumentation::AnonymizeAddress(void* addr) {
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char buf[20];
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sprintf(buf, "%p", addr);
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if(!strcmp(buf, "(nil)")) return std::string("0");
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int addr_start = 0;
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if(buf[0] == '0' && ((buf[1] == 'x') || (buf[1] == 'X'))) addr_start = 2;
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int len = (int)strlen(buf);
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int firstnonzero = len;
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for (int i = addr_start; i < len; i++) {
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if (buf[i] != '0') {
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firstnonzero = i;
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break;
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}
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}
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for (int i = firstnonzero; i < len - 3; i++) {
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buf[i] = 'x';
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}
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return std::string(buf);
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}
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