diff options
Diffstat (limited to 'miscutils/mountpoint.c')
| -rw-r--r-- | miscutils/mountpoint.c | 73 |
1 files changed, 36 insertions, 37 deletions
diff --git a/miscutils/mountpoint.c b/miscutils/mountpoint.c index dbc8fe0e9..b1bcab698 100644 --- a/miscutils/mountpoint.c +++ b/miscutils/mountpoint.c @@ -13,6 +13,8 @@ int mountpoint_main(int argc, char **argv) { + struct stat st; + char *arg; int opt = getopt32(argc, argv, "qdx"); #define OPT_q (1) #define OPT_d (2) @@ -20,47 +22,44 @@ int mountpoint_main(int argc, char **argv) if (optind != argc - 1) bb_show_usage(); - { - char *arg = argv[optind]; - struct stat st; - if ( (opt & OPT_x && stat(arg, &st) == 0) || (lstat(arg, &st) == 0) ) { - if (opt & OPT_x) { - if (S_ISBLK(st.st_mode)) - { - bb_printf("%u:%u\n", major(st.st_rdev), - minor(st.st_rdev)); - return EXIT_SUCCESS; - } else { - if (opt & OPT_q) - putchar('\n'); - else - bb_error_msg("%s: not a block device", arg); - } - return EXIT_FAILURE; - } else - if (S_ISDIR(st.st_mode)) { - dev_t st_dev = st.st_dev; - ino_t st_ino = st.st_ino; - char *p = xasprintf("%s/..", arg); + arg = argv[optind]; - if (stat(p, &st) == 0) { - short ret = (st_dev != st.st_dev) || - (st_dev == st.st_dev && st_ino == st.st_ino); - if (opt & OPT_d) - bb_printf("%u:%u\n", major(st_dev), minor(st_dev)); - else if (!(opt & OPT_q)) - bb_printf("%s is %sa mountpoint\n", arg, ret?"":"not "); - return !ret; - } + if ( (opt & OPT_x && stat(arg, &st) == 0) || (lstat(arg, &st) == 0) ) { + if (opt & OPT_x) { + if (S_ISBLK(st.st_mode)) { + printf("%u:%u\n", major(st.st_rdev), + minor(st.st_rdev)); + return EXIT_SUCCESS; } else { - if (!(opt & OPT_q)) - bb_error_msg("%s: not a directory", arg); - return EXIT_FAILURE; + if (opt & OPT_q) + putchar('\n'); + else + bb_error_msg("%s: not a block device", arg); } + return EXIT_FAILURE; + } else + if (S_ISDIR(st.st_mode)) { + dev_t st_dev = st.st_dev; + ino_t st_ino = st.st_ino; + char *p = xasprintf("%s/..", arg); + + if (stat(p, &st) == 0) { + int ret = (st_dev != st.st_dev) || + (st_dev == st.st_dev && st_ino == st.st_ino); + if (opt & OPT_d) + printf("%u:%u\n", major(st_dev), minor(st_dev)); + else if (!(opt & OPT_q)) + printf("%s is %sa mountpoint\n", arg, ret?"":"not "); + return !ret; + } + } else { + if (!(opt & OPT_q)) + bb_error_msg("%s: not a directory", arg); + return EXIT_FAILURE; } - if (!(opt & OPT_q)) - bb_perror_msg("%s", arg); - return EXIT_FAILURE; } + if (!(opt & OPT_q)) + bb_perror_msg("%s", arg); + return EXIT_FAILURE; } |