4803db53b
Matthew Stoltenberg
2009-08-13
Subject
volname: new applet
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Commit Diff GitHub →
include/applets.h +1 -0include/usage.h +5 -0miscutils/Config.in +6 -0miscutils/Kbuild +1 -0miscutils/volname.c +54 -0
include/applets.h+1 -0
| @@ -416,6 +416,7 @@ IF_UUENCODE(APPLET(uuencode, _BB_DIR_USR_BIN, _BB_SUID_DROP)) | |
| IF_VCONFIG(APPLET(vconfig, _BB_DIR_SBIN, _BB_SUID_DROP)) | |
| IF_VI(APPLET(vi, _BB_DIR_BIN, _BB_SUID_DROP)) | |
| IF_VLOCK(APPLET(vlock, _BB_DIR_USR_BIN, _BB_SUID_REQUIRE)) | |
| + | IF_VOLNAME(APPLET(volname, _BB_DIR_USR_BIN, _BB_SUID_DROP)) |
| IF_WATCH(APPLET(watch, _BB_DIR_BIN, _BB_SUID_DROP)) | |
| IF_WATCHDOG(APPLET(watchdog, _BB_DIR_SBIN, _BB_SUID_DROP)) | |
| IF_WC(APPLET(wc, _BB_DIR_USR_BIN, _BB_SUID_DROP)) | |
include/usage.h+5 -0
| @@ -4901,6 +4901,11 @@ IF_FEATURE_TUNCTL_UG( \ | |
| "\nOptions:" \ | |
| "\n -a Lock all VTs" \ | |
| + | #define volname_trivial_usage \ |
| + | "[DEVICE]" |
| + | #define volname_full_usage "\n\n" \ |
| + | "Show CD volume name of the DEVICE (default /dev/cdrom)" |
| + | |
| #define watch_trivial_usage \ | |
| "[-n seconds] [-t] PROG [ARGS]" | |
| #define watch_full_usage "\n\n" \ | |
miscutils/Config.in+6 -0
| @@ -584,6 +584,12 @@ config TTYSIZE | |
| error, but returns default 80x24. | |
| Usage in shell scripts: width=`ttysize w`. | |
| + | config VOLNAME |
| + | bool "volname" |
| + | default n |
| + | help |
| + | Prints a CD-ROM volume name. |
| + | |
| config WATCHDOG | |
| bool "watchdog" | |
| default n | |
miscutils/Kbuild+1 -0
| @@ -40,4 +40,5 @@ lib-$(CONFIG_TASKSET) += taskset.o | |
| lib-$(CONFIG_TIME) += time.o | |
| lib-$(CONFIG_TIMEOUT) += timeout.o | |
| lib-$(CONFIG_TTYSIZE) += ttysize.o | |
| + | lib-$(CONFIG_VOLNAME) += volname.o |
| lib-$(CONFIG_WATCHDOG) += watchdog.o | |
miscutils/volname.c+54 -0
| @@ -0,0 +1,54 @@ | |
| + | /* |
| + | * Reads and displays CD-ROM volume name |
| + | * |
| + | * Several people have asked how to read CD volume names so I wrote this |
| + | * small program to do it. |
| + | * |
| + | * usage: volname [<device-file>] |
| + | * |
| + | * Copyright (C) 2000-2001 Jeff Tranter ([email protected]) |
| + | * |
| + | * This program is free software; you can redistribute it and/or modify |
| + | * it under the terms of the GNU General Public License as published by |
| + | * the Free Software Foundation; either version 2 of the License, or |
| + | * (at your option) any later version. |
| + | * |
| + | * This program is distributed in the hope that it will be useful, |
| + | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| + | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| + | * GNU General Public License for more details. |
| + | * |
| + | * You should have received a copy of the GNU General Public License |
| + | * along with this program; if not, write to the Free Software |
| + | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| + | */ |
| + | |
| + | /* |
| + | * mods from distrubuted source (eject-2.0.13) are by |
| + | * Matthew Stoltenberg <[email protected]> |
| + | */ |
| + | #include "libbb.h" |
| + | |
| + | int volname_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
| + | int volname_main(int argc UNUSED_PARAM, char **argv) |
| + | { |
| + | int fd; |
| + | char buffer[32]; |
| + | const char *device; |
| + | |
| + | device = "/dev/cdrom"; |
| + | if (argv[1]) { |
| + | device = argv[1]; |
| + | if (argv[2]) |
| + | bb_show_usage(); |
| + | } |
| + | |
| + | fd = xopen(device, O_RDONLY); |
| + | xlseek(fd, 32808, SEEK_SET); |
| + | xread(fd, buffer, 32); |
| + | printf("%32.32s\n", buffer); |
| + | if (ENABLE_FEATURE_CLEAN_UP) { |
| + | close(fd); |
| + | } |
| + | return 0; |
| + | } |