#include #include #include #include #include #include #include static bool is_dir(const std::string& dir) { struct stat st; ::stat(dir.c_str(), &st); return S_ISDIR(st.st_mode); } static void walk_directory(const std::string& startdir, const std::string& inputdir, zip_t *zipper) { DIR *dp = ::opendir(inputdir.c_str()); if (dp == nullptr) { throw std::runtime_error("Failed to open input directory: " + std::string(::strerror(errno))); } struct dirent *dirp; while ((dirp = readdir(dp)) != NULL) { if (dirp->d_name != std::string(".") && dirp->d_name != std::string("..")) { std::string fullname = inputdir + "/" + dirp->d_name; if (is_dir(fullname)) { if (zip_dir_add(zipper, fullname.substr(startdir.length() + 1).c_str(), ZIP_FL_ENC_UTF_8) < 0) { throw std::runtime_error("Failed to add directory to zip: " + std::string(zip_strerror(zipper))); } walk_directory(startdir, fullname, zipper); } else { zip_source_t *source = zip_source_file(zipper, fullname.c_str(), 0, 0); if (source == nullptr) { throw std::runtime_error("Failed to add file to zip: " + std::string(zip_strerror(zipper))); } if (zip_file_add(zipper, fullname.substr(startdir.length() + 1).c_str(), source, ZIP_FL_ENC_UTF_8) < 0) { zip_source_free(source); throw std::runtime_error("Failed to add file to zip: " + std::string(zip_strerror(zipper))); } } } } ::closedir(dp); } static void zip_directory(const std::string& inputdir, const std::string& output_filename) { int errorp; zip_t *zipper = zip_open(output_filename.c_str(), ZIP_CREATE | ZIP_EXCL, &errorp); if (zipper == nullptr) { zip_error_t ziperror; zip_error_init_with_code(&ziperror, errorp); throw std::runtime_error("Failed to open output file " + output_filename + ": " + zip_error_strerror(&ziperror)); } try { walk_directory(inputdir, inputdir, zipper); } catch(...) { zip_close(zipper); throw; } zip_close(zipper); } int main(int argc, char *argv[]) { if (argc != 3) { fprintf(stderr, "Usage: %s \n", argv[0]); return 1; } zip_directory(argv[1], argv[2]); return 0; }

zip.c

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