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