From 1e19afd38adae3c44197254255ed43d88ae9726c Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Sun, 12 Oct 2008 11:20:08 +0000 Subject: [PATCH] blkid: new applet. We almost had everything needed for it already function old new delta display_uuid_cache - 89 +89 blkid_main - 8 +8 applet_names 1871 1877 +6 applet_main 1140 1144 +4 applet_nameofs 570 572 +2 packed_usage 24737 24735 -2 ------------------------------------------------------------------------------ (add/remove: 2/0 grow/shrink: 3/1 up/down: 109/-2) Total: 107 bytes --- include/applets.h | 1 + include/usage.h | 5 +++++ include/volume_id.h | 1 + util-linux/Config.in | 15 +++++++++++---- util-linux/Kbuild | 1 + util-linux/volume_id/Kbuild | 1 + util-linux/volume_id/get_devname.c | 17 +++++++++-------- 7 files changed, 29 insertions(+), 12 deletions(-) diff --git a/include/applets.h b/include/applets.h index 35649d3df..828900e46 100644 --- a/include/applets.h +++ b/include/applets.h @@ -80,6 +80,7 @@ USE_AWK(APPLET_NOEXEC(awk, awk, _BB_DIR_USR_BIN, _BB_SUID_NEVER, awk)) USE_BASENAME(APPLET_NOFORK(basename, basename, _BB_DIR_USR_BIN, _BB_SUID_NEVER, basename)) USE_BBCONFIG(APPLET(bbconfig, _BB_DIR_BIN, _BB_SUID_NEVER)) //USE_BBSH(APPLET(bbsh, _BB_DIR_BIN, _BB_SUID_NEVER)) +USE_BLKID(APPLET(blkid, _BB_DIR_SBIN, _BB_SUID_NEVER)) USE_BRCTL(APPLET(brctl, _BB_DIR_USR_SBIN, _BB_SUID_NEVER)) USE_BUNZIP2(APPLET(bunzip2, _BB_DIR_USR_BIN, _BB_SUID_NEVER)) USE_BUNZIP2(APPLET_ODDNAME(bzcat, bunzip2, _BB_DIR_USR_BIN, _BB_SUID_NEVER, bzcat)) diff --git a/include/usage.h b/include/usage.h index d2478641c..3c110132e 100644 --- a/include/usage.h +++ b/include/usage.h @@ -1098,6 +1098,11 @@ "\n -z Delete messages on server" \ "\n prog Run 'prog ' on message delivery" \ +#define blkid_trivial_usage \ + "" +#define blkid_full_usage "\n\n" \ + "Print UUIDs of all filesystems." + #define findfs_trivial_usage \ "LABEL=label or UUID=uuid" #define findfs_full_usage "\n\n" \ diff --git a/include/volume_id.h b/include/volume_id.h index 99cb11ff6..bba32c0ba 100644 --- a/include/volume_id.h +++ b/include/volume_id.h @@ -20,3 +20,4 @@ char *get_devname_from_label(const char *spec); char *get_devname_from_uuid(const char *spec); +void display_uuid_cache(void); diff --git a/util-linux/Config.in b/util-linux/Config.in index 2ba9f0166..ba0916a50 100644 --- a/util-linux/Config.in +++ b/util-linux/Config.in @@ -5,6 +5,15 @@ menu "Linux System Utilities" +config BLKID + bool "blkid" + default n + select VOLUMEID + help + Lists labels and UUIDs of all filesystems. + WARNING: + With all submodules selected, it will add ~8k to busybox. + config DMESG bool "dmesg" default n @@ -156,9 +165,7 @@ config FINDFS default n select VOLUMEID help - This is similar to the findfs program that is part of the e2fsprogs - package. However, the e2fsprogs version only support ext2/3. This - version supports those in addition to FAT, swap, and ReiserFS. + Prints the name of a filesystem with given laver or UUID. WARNING: With all submodules selected, it will add ~8k to busybox. @@ -651,7 +658,7 @@ config FEATURE_MOUNT_LABEL select VOLUMEID help This allows for specifying a device by label or uuid, rather than by - name. This feature utilizes the same functionality as findfs. + name. This feature utilizes the same functionality as blkid/findfs. config FEATURE_MOUNT_NFS bool "Support mounting NFS file systems" diff --git a/util-linux/Kbuild b/util-linux/Kbuild index 38569c69b..2d0fc4928 100644 --- a/util-linux/Kbuild +++ b/util-linux/Kbuild @@ -5,6 +5,7 @@ # Licensed under the GPL v2, see the file LICENSE in this tarball. lib-y:= +lib-$(CONFIG_BLKID) += blkid.o lib-$(CONFIG_DMESG) += dmesg.o lib-$(CONFIG_FBSET) += fbset.o lib-$(CONFIG_FDFLUSH) += freeramdisk.o diff --git a/util-linux/volume_id/Kbuild b/util-linux/volume_id/Kbuild index 54b95f0c7..d78e4ada5 100644 --- a/util-linux/volume_id/Kbuild +++ b/util-linux/volume_id/Kbuild @@ -6,6 +6,7 @@ lib-y:= +lib-$(CONFIG_BLKID) += get_devname.o lib-$(CONFIG_FINDFS) += get_devname.o lib-$(CONFIG_FEATURE_MOUNT_LABEL) += get_devname.o diff --git a/util-linux/volume_id/get_devname.c b/util-linux/volume_id/get_devname.c index f9a2c905f..83c085650 100644 --- a/util-linux/volume_id/get_devname.c +++ b/util-linux/volume_id/get_devname.c @@ -374,24 +374,25 @@ get_spec_by_volume_label(const char *s, int *major, int *minor) { return get_spec_by_x(VOL, s, major, minor); } +#endif // UNUSED -static int display_uuid_cache(void) +/* Used by blkid */ +void display_uuid_cache(void) { struct uuidCache_s *u; - size_t i; uuidcache_init(); - u = uuidCache; while (u) { - printf("%s %s %s\n", u->device, u->label, u->uc_uuid); + printf("%s:", u->device); + if (u->label[0]) + printf(" LABEL=\"%s\"", u->label); + if (u->uc_uuid[0]) + printf(" UUID=\"%s\"", u->uc_uuid); + bb_putchar('\n'); u = u->next; } - - return 0; } -#endif // UNUSED - /* Used by mount and findfs */ -- 2.25.1