C++编程实现获取当前可执行文件名称

 #include <windows.h>
 #include <iostream>
 #include <string>

 int main() {
     char exePath[MAX_PATH]; 
     DWORD len = GetModuleFileNameA(NULL, exePath, MAX_PATH);

     if (len == 0) {
         std::cerr << "err code: " << GetLastError() << std::endl;
         return 1;
     }

     std::string fullPath(exePath);
     std::cout << "cur full path: " << fullPath << std::endl;

     return 0;
 }

 #include <cstdlib>
 #include <iostream>
 int main() {
     char* pgmptr = nullptr;
     errno_t err = _get_pgmptr(&pgmptr);
     if (pgmptr != nullptr) {
         std::cout << "full path: " << pgmptr << std::endl;
     }
     return 0;
 }

 #include <iostream>
 #include <dlfcn.h>

 int main() {
     Dl_info dl;
     if (dladdr((void*)main, &dl) && dl.dli_fname) {
         std::cout << "path: " << dl.dli_fname << std::endl;
     }
     return 0;
 }

 #include <iostream>
 #include <unistd.h>
 #include <limits.h>

 int main() {
     char exePath[PATH_MAX];
     ssize_t len = readlink("/proc/self/exe", exePath, sizeof(exePath) - 1);
     if (len != -1) {
         exePath[len] = '\0'; 
         std::cout << "full path: " << exePath << std::endl;
     } 
     return 0;
 }

 #include <iostream>
 #include <fstream>
 #include <string>

 int main() {
     std::ifstream cmdline("/proc/self/cmdline");
     if (cmdline.is_open()) {
         std::string exePath;
         std::getline(cmdline, exePath, '\0');
         std::cout << "full path: " << exePath << std::endl;
     }
     return 0;
 }

 #include <iostream>
 #include <boost/dll/runtime_symbol_info.hpp>

 int main() {
     boost::dll::fs::path fullPath = boost::dll::program_location();
     std::cout << "full path: " << fullPath.string() << std::endl;
     return 0;
 }