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blkid: new applet. We almost had everything needed for it already

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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
This commit is contained in:
Denis Vlasenko 2008-10-12 11:20:08 +00:00
parent d5e305944a
commit 1e19afd38a
7 changed files with 37 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
include/applets.h
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@ -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))

5
include/usage.h
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@ -1098,6 +1098,11 @@
"\n -z Delete messages on server" \
"\n prog Run 'prog <message_file>' 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" \

1
include/volume_id.h
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@ -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);

15
util-linux/Config.in
View File

@ -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"

1
util-linux/Kbuild
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@ -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

1
util-linux/volume_id/Kbuild
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@ -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

33
util-linux/volume_id/get_devname.c
View File

@ -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);
}
static int 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);
u = u->next;
}
return 0;
}
#endif // UNUSED
/* Used by blkid */
void display_uuid_cache(void)
{
struct uuidCache_s *u;
uuidcache_init();
u = uuidCache;
while (u) {
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;
}
}
/* Used by mount and findfs */