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- add new applet rdev (Grant Erickson)
- fixes and shrink (me)
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d7cc2e601d
commit
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@ -286,6 +286,7 @@ USE_PSCAN(APPLET(pscan, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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USE_PWD(APPLET_NOFORK(pwd, pwd, _BB_DIR_BIN, _BB_SUID_NEVER, pwd))
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USE_RAIDAUTORUN(APPLET(raidautorun, _BB_DIR_SBIN, _BB_SUID_NEVER))
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USE_RDATE(APPLET(rdate, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
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USE_RDEV(APPLET(rdev, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
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USE_READAHEAD(APPLET(readahead, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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USE_READLINK(APPLET(readlink, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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USE_READPROFILE(APPLET(readprofile, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
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@ -3168,6 +3168,14 @@
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"\n -s Set the system date and time (default)" \
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"\n -p Print the date and time" \
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#define rdev_trivial_usage \
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""
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#define rdev_full_usage "\n\n" \
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"Print the device node associated with the filesystem mounted at '/'"
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#define rdev_example_usage \
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"$ rdev\n" \
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"/dev/mtdblock9 /\n"
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#define readahead_trivial_usage \
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"[FILE]..."
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#define readahead_full_usage "\n\n" \
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@ -520,6 +520,7 @@ CONFIG_FEATURE_MOUNT_FLAGS=y
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CONFIG_FEATURE_MOUNT_FSTAB=y
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CONFIG_PIVOT_ROOT=y
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CONFIG_RDATE=y
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CONFIG_RDEV=y
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CONFIG_READPROFILE=y
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CONFIG_RTCWAKE=y
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CONFIG_SCRIPT=y
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@ -707,6 +707,12 @@ config RDATE
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the RFC868 protocol, which is built into the inetd daemon on most
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systems.
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config RDEV
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bool "rdev"
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default n
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help
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Print the device node associated with the filesystem mounted at '/'.
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config READPROFILE
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bool "readprofile"
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default n
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@ -26,6 +26,7 @@ lib-$(CONFIG_MORE) += more.o
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lib-$(CONFIG_MOUNT) += mount.o
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lib-$(CONFIG_PIVOT_ROOT) += pivot_root.o
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lib-$(CONFIG_RDATE) += rdate.o
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lib-$(CONFIG_RDEV) += rdev.o
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lib-$(CONFIG_READPROFILE) += readprofile.o
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lib-$(CONFIG_RTCWAKE) += rtcwake.o
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lib-$(CONFIG_SCRIPT) += script.o
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24
util-linux/rdev.c
Normal file
24
util-linux/rdev.c
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@ -0,0 +1,24 @@
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/* vi: set sw=4 ts=4: */
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/*
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* rdev - print device node associated with a filesystem
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*
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* Copyright (c) 2008 Nuovation System Designs, LLC
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* Grant Erickson <gerickson@nuovations.com>
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*
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* Licensed under GPLv2, see file LICENSE in this tarball for details.
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*
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*/
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#include "libbb.h"
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int rdev_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int rdev_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
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{
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char const * const root_device = find_block_device("/");
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if (root_device != NULL) {
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printf("%s /\n", root_device);
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return EXIT_SUCCESS;
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}
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return EXIT_FAILURE;
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}
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