diff options
Diffstat (limited to 'toys/other/mountpoint.c')
| -rw-r--r-- | toys/other/mountpoint.c | 77 |
1 files changed, 38 insertions, 39 deletions
diff --git a/toys/other/mountpoint.c b/toys/other/mountpoint.c index fe63b725..29b8ae67 100644 --- a/toys/other/mountpoint.c +++ b/toys/other/mountpoint.c @@ -1,20 +1,19 @@ -/* vi: set sw=4 ts=4: - * - * mountpoint.c - Check if a directory is a mountpoint. +/* mountpoint.c - Check if a directory is a mountpoint. * * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com> USE_MOUNTPOINT(NEWTOY(mountpoint, "<1qdx", TOYFLAG_BIN)) config MOUNTPOINT - bool "mountpoint" - default y - help - usage: mountpoint [-q] [-d] directory - mountpoint [-q] [-x] device - -q Be quiet, return zero if directory is a mountpoint - -d Print major/minor device number of the directory - -x Print major/minor device number of the block device + bool "mountpoint" + default y + help + usage: mountpoint [-q] [-d] directory + mountpoint [-q] [-x] device + + -q Be quiet, return zero if directory is a mountpoint + -d Print major/minor device number of the directory + -x Print major/minor device number of the block device */ #define FOR_mountpoint @@ -22,34 +21,34 @@ config MOUNTPOINT void mountpoint_main(void) { - struct stat st1, st2; - int res = 0; - int quiet = toys.optflags & FLAG_q; - toys.exitval = 1; // be pessimistic - strncpy(toybuf, toys.optargs[0], sizeof(toybuf)); - if (((toys.optflags & FLAG_x) && lstat(toybuf, &st1)) || stat(toybuf, &st1)) - perror_exit("%s", toybuf); + struct stat st1, st2; + int res = 0; + int quiet = toys.optflags & FLAG_q; + toys.exitval = 1; // be pessimistic + strncpy(toybuf, toys.optargs[0], sizeof(toybuf)); + if (((toys.optflags & FLAG_x) && lstat(toybuf, &st1)) || stat(toybuf, &st1)) + perror_exit("%s", toybuf); - if (toys.optflags & FLAG_x){ - if (S_ISBLK(st1.st_mode)) { - if (!quiet) printf("%u:%u\n", major(st1.st_rdev), minor(st1.st_rdev)); - toys.exitval = 0; - return; - } - if (!quiet) printf("%s: not a block device\n", toybuf); - return; - } + if (toys.optflags & FLAG_x){ + if (S_ISBLK(st1.st_mode)) { + if (!quiet) printf("%u:%u\n", major(st1.st_rdev), minor(st1.st_rdev)); + toys.exitval = 0; + return; + } + if (!quiet) printf("%s: not a block device\n", toybuf); + return; + } - if(!S_ISDIR(st1.st_mode)){ - if (!quiet) printf("%s: not a directory\n", toybuf); - return; - } - strncat(toybuf, "/..", sizeof(toybuf)); - stat(toybuf, &st2); - res = (st1.st_dev != st2.st_dev) || - (st1.st_dev == st2.st_dev && st1.st_ino == st2.st_ino); - if (!quiet) printf("%s is %sa mountpoint\n", toys.optargs[0], res ? "" : "not "); - if (toys.optflags & FLAG_d) - printf("%u:%u\n", major(st1.st_dev), minor(st1.st_dev)); - toys.exitval = res ? 0 : 1; + if(!S_ISDIR(st1.st_mode)){ + if (!quiet) printf("%s: not a directory\n", toybuf); + return; + } + strncat(toybuf, "/..", sizeof(toybuf)); + stat(toybuf, &st2); + res = (st1.st_dev != st2.st_dev) || + (st1.st_dev == st2.st_dev && st1.st_ino == st2.st_ino); + if (!quiet) printf("%s is %sa mountpoint\n", toys.optargs[0], res ? "" : "not "); + if (toys.optflags & FLAG_d) + printf("%u:%u\n", major(st1.st_dev), minor(st1.st_dev)); + toys.exitval = res ? 0 : 1; } |