diff options
Diffstat (limited to 'miscutils/eject.c')
| -rw-r--r-- | miscutils/eject.c | 30 |
1 files changed, 13 insertions, 17 deletions
diff --git a/miscutils/eject.c b/miscutils/eject.c index df275d74b..8864687e4 100644 --- a/miscutils/eject.c +++ b/miscutils/eject.c @@ -26,8 +26,9 @@ #include <fcntl.h> #include <sys/ioctl.h> -#include <stdlib.h> #include <unistd.h> +#include <sys/mount.h> +#include <mntent.h> #include "busybox.h" /* various defines swiped from linux/cdrom.h */ @@ -35,33 +36,28 @@ #define CDROMEJECT 0x5309 /* Ejects the cdrom media */ #define DEFAULT_CDROM "/dev/cdrom" -#ifdef CONFIG_FEATURE_MTAB_SUPPORT -#define MTAB CONFIG_FEATURE_MTAB_FILENAME -#else -#define MTAB "/proc/mounts" -#endif - extern int eject_main(int argc, char **argv) { unsigned long flags; - char * command; - char *device=argv[optind] ? : DEFAULT_CDROM; + char *device; + struct mntent *m; flags = bb_getopt_ulflags(argc, argv, "t"); - bb_xasprintf(&command, "umount '%s'", device); - - /* validate input before calling system */ - if(find_mount_point(device, MTAB)) - system(command); + device=argv[optind] ? : DEFAULT_CDROM; + if((m = find_mount_point(device, bb_path_mtab_file))) { + if(umount(m->mnt_dir)) + bb_error_msg_and_die("Can't umount"); +#ifdef CONFIG_FEATURE_MTAB_SUPPORT + else + erase_mtab(m->mnt_fsname); +#endif + } if (ioctl(bb_xopen( device, (O_RDONLY | O_NONBLOCK)), ( flags ? CDROMCLOSETRAY : CDROMEJECT))) { bb_perror_msg_and_die(device); } -#ifdef CONFIG_FEATURE_CLEAN_UP - free(command); -#endif return(EXIT_SUCCESS); } |