56           int fd;  in read_to_safe_mem()  local
58           if ((fd = open(file, O_RDONLY)) < 0) {  in read_to_safe_mem()
68           if ((lseek(fd, offset, (offset >= 0) ? SEEK_SET : SEEK_END) < 0)) {  in read_to_safe_mem()
73           if ((r = read(fd, mem, *sz)) <= 0) {  in read_to_safe_mem()
80           close(fd);  in read_to_safe_mem()
86           close(fd);  in read_to_safe_mem()
114           int fd;  in get_random()  local
121           if ((fd = open((weak) ? "/dev/urandom" : "/dev/random", O_RDONLY)) < 0) {  in get_random()
138                     if ((r = read(fd, buf+rd, sz)) < 0) {  in get_random()
140                                   fd, strerror(errno));  in get_random()
141                               close(fd);  in get_random()
150           close(fd);  in get_random()
180           int fd_rand, fd;  in secure_erase()  local
195           if ((fd = open(dev, O_WRONLY)) < 0) {  in secure_erase()
215                               close(fd);  in secure_erase()
225                     if ((w = write(fd, buf, r)) < 0) {  in secure_erase()
227                               close(fd);  in secure_erase()
237           close(fd);  in secure_erase()
251           int fd;  in get_disk_info()  local
253           if ((fd = open(dev, O_RDONLY)) < 0) {  in get_disk_info()
260           if (ioctl(fd, DIOCGPART, &pinfo) < 0) {  in get_disk_info()
261                     close(fd);  in get_disk_info()
268           close(fd);  in get_disk_info()
277           int fd;  in get_disk_info()  local
279           if ((fd = open(dev, O_RDONLY)) < 0) {  in get_disk_info()
284           if ((ioctl(fd, BLKSSZGET, &blocksz)) < 0) {  in get_disk_info()
285                     close(fd);  in get_disk_info()
289           if ((ioctl(fd, BLKGETSIZE64, &nbytes)) < 0) {  in get_disk_info()
290                     close(fd);  in get_disk_info()
297           close(fd);  in get_disk_info()
310           int fd;  in write_to_disk()  local
337           if ((fd = open(dev, O_WRONLY)) < 0) {  in write_to_disk()
342           if ((lseek(fd, offset, (offset >= 0) ? SEEK_SET : SEEK_END) < 0)) {  in write_to_disk()
344                     close(fd);  in write_to_disk()
348           if ((w = write(fd, (mem_buf != NULL) ? mem_buf : mem, bytes)) <= 0) {  in write_to_disk()
350                     close(fd);  in write_to_disk()
354           close(fd);  in write_to_disk()
365           int fd;  in write_to_file()  local
368           if ((fd = open(file, O_WRONLY | O_CREAT, S_IRUSR | S_IWUSR)) < 0) {  in write_to_file()
373           if ((w = write(fd, mem, bytes)) < 0) {  in write_to_file()
375                     close(fd);  in write_to_file()
379           close(fd);  in write_to_file()
400           int fd = STDIN_FILENO, r = 0, nready;  in read_passphrase()  local
402           int is_tty = isatty(fd);  in read_passphrase()
415                     tcgetattr(fd, &termios_old);  in read_passphrase()
423                     tty_fd = fd;  in read_passphrase()
426                     tcsetattr(fd, TCSAFLUSH, &termios_new);  in read_passphrase()
434                     FD_SET(fd, &fds);  in read_passphrase()
435                     nready = select(fd + 1, &fds, NULL, NULL, &to);  in read_passphrase()
442           n = read(fd, pass, bufsz-1);  in read_passphrase()
459                     tcsetattr(fd, TCSAFLUSH, &termios_old);  in read_passphrase()