diff options
| -rw-r--r-- | console-tools/kbd_mode.c | 2 | ||||
| -rw-r--r-- | console-tools/loadfont.c | 2 | ||||
| -rw-r--r-- | console-tools/loadkmap.c | 2 | ||||
| -rw-r--r-- | coreutils/stty.c | 2 | ||||
| -rw-r--r-- | include/libbb.h | 1 | ||||
| -rw-r--r-- | libbb/xfuncs_printf.c | 9 | ||||
| -rw-r--r-- | miscutils/eject.c | 2 | ||||
| -rw-r--r-- | miscutils/hdparm.c | 4 |
8 files changed, 17 insertions, 7 deletions
diff --git a/console-tools/kbd_mode.c b/console-tools/kbd_mode.c index 544bbb7..e1d8523 100644 --- a/console-tools/kbd_mode.c +++ b/console-tools/kbd_mode.c @@ -25,7 +25,7 @@ int kbd_mode_main(int argc UNUSED_PARAM, char **argv) const char *tty_name = CURRENT_TTY; opt = getopt32(argv, "sakuC:", &tty_name); - fd = xopen(tty_name, O_NONBLOCK); + fd = xopen_nonblocking(tty_name); opt &= 0xf; /* clear -C bit, see (*) */ if (!opt) { /* print current setting */ diff --git a/console-tools/loadfont.c b/console-tools/loadfont.c index 3364180..e833474 100644 --- a/console-tools/loadfont.c +++ b/console-tools/loadfont.c @@ -277,7 +277,7 @@ int setfont_main(int argc UNUSED_PARAM, char **argv) opts = getopt32(argv, "m:C:", &mapfilename, &tty_name); argv += optind; - fd = xopen(tty_name, O_NONBLOCK); + fd = xopen_nonblocking(tty_name); if (sizeof(CONFIG_DEFAULT_SETFONT_DIR) > 1) { // if not "" if (*argv[0] != '/') { diff --git a/console-tools/loadkmap.c b/console-tools/loadkmap.c index ac2c0a6..a6b9a86 100644 --- a/console-tools/loadkmap.c +++ b/console-tools/loadkmap.c @@ -36,7 +36,7 @@ int loadkmap_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) fd = get_console_fd_or_die(); /* or maybe: opt = getopt32(argv, "C:", &tty_name); - fd = xopen(tty_name, O_NONBLOCK); + fd = xopen_nonblocking(tty_name); */ xread(STDIN_FILENO, flags, 7); diff --git a/coreutils/stty.c b/coreutils/stty.c index baa1ec2..cb9b183 100644 --- a/coreutils/stty.c +++ b/coreutils/stty.c @@ -1295,7 +1295,7 @@ int stty_main(int argc, char **argv) if (file_name) { int fd, fdflags; G.device_name = file_name; - fd = xopen(G.device_name, O_RDONLY | O_NONBLOCK); + fd = xopen_nonblocking(G.device_name); if (fd != STDIN_FILENO) { dup2(fd, STDIN_FILENO); close(fd); diff --git a/include/libbb.h b/include/libbb.h index 9865121..d2b7437 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -400,6 +400,7 @@ void bb_unsetenv(const char *key) FAST_FUNC; void xunlink(const char *pathname) FAST_FUNC; void xstat(const char *pathname, struct stat *buf) FAST_FUNC; int xopen(const char *pathname, int flags) FAST_FUNC; +int xopen_nonblocking(const char *pathname) FAST_FUNC; int xopen3(const char *pathname, int flags, int mode) FAST_FUNC; int open_or_warn(const char *pathname, int flags) FAST_FUNC; int open3_or_warn(const char *pathname, int flags, int mode) FAST_FUNC; diff --git a/libbb/xfuncs_printf.c b/libbb/xfuncs_printf.c index 345c842..241887a 100644 --- a/libbb/xfuncs_printf.c +++ b/libbb/xfuncs_printf.c @@ -140,6 +140,15 @@ int FAST_FUNC xopen(const char *pathname, int flags) return xopen3(pathname, flags, 0666); } +/* Die if we can't open an existing file readonly with O_NONBLOCK + * and return the fd. + * Note that for ioctl O_RDONLY is sufficient. + */ +int FAST_FUNC xopen_nonblocking(const char *pathname) +{ + return xopen(pathname, O_RDONLY | O_NONBLOCK); +} + // Warn if we can't open a file and return a fd. int FAST_FUNC open3_or_warn(const char *pathname, int flags, int mode) { diff --git a/miscutils/eject.c b/miscutils/eject.c index 75618be..adff9e0 100644 --- a/miscutils/eject.c +++ b/miscutils/eject.c @@ -103,7 +103,7 @@ int eject_main(int argc UNUSED_PARAM, char **argv) eject /dev/cdrom */ - xmove_fd(xopen(device, O_RDONLY|O_NONBLOCK), dev_fd); + xmove_fd(xopen_nonblocking(device), dev_fd); if (ENABLE_FEATURE_EJECT_SCSI && (flags & FLAG_SCSI)) eject_scsi(device); diff --git a/miscutils/hdparm.c b/miscutils/hdparm.c index 65c11ec..c4d2f3b 100644 --- a/miscutils/hdparm.c +++ b/miscutils/hdparm.c @@ -1552,8 +1552,8 @@ static void process_dev(char *devname) unsigned char args[4] = { WIN_SETFEATURES, 0, 0, 0 }; const char *fmt = " %s\t= %2ld"; - /*fd = xopen(devname, O_RDONLY | O_NONBLOCK);*/ - xmove_fd(xopen(devname, O_RDONLY | O_NONBLOCK), fd); + /*fd = xopen_nonblocking(devname);*/ + xmove_fd(xopen_nonblocking(devname), fd); printf("\n%s:\n", devname); if (getset_readahead == IS_SET) { |