173 static int write_int32(FILE* fh, int32_t val)  in write_int32()  argument
175     int res = fwrite(&val, 1, sizeof(val), fh);  in write_int32()
184 static int write_int64(FILE* fh, int64_t val)  in write_int64()  argument
186     int res = fwrite(&val, 1, sizeof(val), fh);   in write_int64()
235 static int write_header(FILE* fh, int type, const char* path, const struct stat* st)  in write_header()  argument
238     if (!write_int32(fh, type)) return 0;  in write_header()
239     if (!write_int32(fh, pathLen)) return 0;  in write_header()
240     if (fwrite(path, 1, pathLen, fh) != (size_t)pathLen) {  in write_header()
245     if (!write_int32(fh, st->st_uid)) return 0;  in write_header()
246     if (!write_int32(fh, st->st_gid)) return 0;  in write_header()
247     if (!write_int32(fh, st->st_mode)) return 0;  in write_header()
248     if (!write_int64(fh, ((int64_t)st->st_atime)*1000*1000*1000)) return 0;  in write_header()
249     if (!write_int64(fh, ((int64_t)st->st_mtime)*1000*1000*1000)) return 0;  in write_header()
250     if (!write_int64(fh, ((int64_t)st->st_ctime)*1000*1000*1000)) return 0;  in write_header()
255 static int backup_dir(FILE* fh, const char* srcPath)  in backup_dir()  argument
318             if (write_header(fh, TYPE_DIR, fullPath, &statBuffer) == 0) {  in backup_dir()
322             if (backup_dir(fh, fullPath) == 0) {  in backup_dir()
334             if (write_header(fh, TYPE_FILE, fullPath, &statBuffer) == 0) {  in backup_dir()
340             if (!write_int64(fh, size)) {  in backup_dir()
353             int copyres = copy_file(fh, src, size, nullptr, fullPath);  in backup_dir()
376     FILE* fh = fopen(destPath, "w");  in backup_data()  local
377     if (fh == nullptr) {  in backup_data()
388     if (!write_int32(fh, FILE_VERSION)) goto done;  in backup_data()
389     if (!write_int32(fh, opt_backupAll)) goto done;  in backup_data()
390     if (!backup_dir(fh, "/data")) goto done;  in backup_data()
391     if (!write_int32(fh, 0)) goto done;  in backup_data()
396     if (fflush(fh) != 0) {  in backup_data()
402     if (fsync(fileno(fh)) != 0) {  in backup_data()
408     fclose(fh);  in backup_data()
415 static int32_t read_int32(FILE* fh, int32_t defVal)  in read_int32()  argument
418     if (fread(&val, 1, sizeof(val), fh) != sizeof(val)) {  in read_int32()
426 static int64_t read_int64(FILE* fh, int64_t defVal)  in read_int64()  argument
429     if (fread(&val, 1, sizeof(val), fh) != sizeof(val)) {  in read_int64()
437 static int read_header(FILE* fh, int* type, char** path, struct stat* st)  in read_header()  argument
439     *type = read_int32(fh, -1);  in read_header()
449     int32_t pathLen = read_int32(fh, -1);  in read_header()
455     if (fread(readPath, 1, pathLen, fh) != (size_t)pathLen) {  in read_header()
463     st->st_uid = read_int32(fh, -1);  in read_header()
468     st->st_gid = read_int32(fh, -1);  in read_header()
473     st->st_mode = read_int32(fh, -1);  in read_header()
478     int64_t ltime = read_int64(fh, -1);  in read_header()
484     ltime = read_int64(fh, -1);  in read_header()
490     ltime = read_int64(fh, -1);  in read_header()
506     FILE* fh = fopen(srcPath, "r");  in restore_data()  local
507     if (fh == nullptr) {  in restore_data()
513     inputFileVersion = read_int32(fh, 0);  in restore_data()
520         opt_backupAll = read_int32(fh, 0);  in restore_data()
538         if (read_header(fh, &type, &path, &statBuffer) == 0) {  in restore_data()
563             off_t size = read_int64(fh, -1);  in restore_data()
580             int copyres = copy_file(dest, fh, size, path, nullptr);  in restore_data()
625     fclose(fh);  in restore_data()