dcashman | d661642 | 2016-03-07 10:32:05 -0800 | [diff] [blame] | 1 | #include <errno.h> |
| 2 | #include <fstream> |
| 3 | #include <iostream> |
| 4 | #include <regex> |
| 5 | #include <string> |
| 6 | #include <string.h> |
| 7 | |
| 8 | int main(int argc, char * argv[]) { |
| 9 | if (argc != 2) { |
| 10 | std::cerr << "usage: " << argv[0] << ": libname\n"; |
| 11 | return -1; |
| 12 | } |
| 13 | 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*$")); |
| 14 | |
| 15 | /* open /proc/self/maps */ |
| 16 | std::string ln; |
| 17 | std::ifstream m_file("/proc/self/maps"); |
| 18 | if (!m_file) { |
| 19 | std::cerr << "Unable to open /proc/self/maps " << strerror(errno) << "\n"; |
| 20 | return -1; |
| 21 | } |
| 22 | while (getline(m_file, ln)) { |
| 23 | std::smatch sm; |
| 24 | if (std::regex_match (ln,sm, reg)) { |
| 25 | if (std::stoi(sm[2]) == 0) { |
| 26 | std::cout << sm[1]; |
| 27 | return 0; |
| 28 | } |
| 29 | } |
| 30 | } |
| 31 | return -1; |
| 32 | } |