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33 lines
874 B
33 lines
874 B
#include <errno.h>
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#include <fstream>
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#include <iostream>
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#include <regex>
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#include <string>
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#include <string.h>
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int main(int argc, char * argv[]) {
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if (argc != 2) {
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std::cerr << "usage: " << argv[0] << ": libname\n";
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return -1;
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}
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std::regex reg(std::string("^([a-f0-9]+)\\-[0-9a-f]+\\s+.+\\s+(\\d+)\\s+.+\\s+\\d+\\s+") + std::string(argv[1]) + std::string("\\s*$"));
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/* open /proc/self/maps */
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std::string ln;
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std::ifstream m_file("/proc/self/maps");
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if (!m_file) {
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std::cerr << "Unable to open /proc/self/maps " << strerror(errno) << "\n";
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return -1;
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}
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while (getline(m_file, ln)) {
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std::smatch sm;
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if (std::regex_match (ln,sm, reg)) {
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if (std::stoi(sm[2]) == 0) {
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std::cout << sm[1];
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return 0;
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}
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}
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}
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return -1;
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}
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