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13 commits

Author SHA1 Message Date
Andrej Picej
d70256a5c7 hwclock: add get/set parameters option 
In kernel 5.16 special ioctls were introduced to get/set RTC parameters.
Add option to get/set parameters into busybox version of hwclock.
Implementation is similar to the one already used in linux-utils hwclock
tool.

Example of parameter get use:
$ hwclock -g 2
The RTC parameter 0x2 is set to 0x2.
$ hwclock --param-get bsm
The RTC parameter 0x2 is set to 0x2.

Example of parameter set use:
$ hwclock -p 2=1
The RTC parameter 0x2 will be set to 0x1.
$ hwclock -p bsm=2
The RTC parameter 0x2 will be set to 0x2.

function                                             old     new   delta
hwclock_main                                         298     576    +278
.rodata                                           105231  105400    +169
packed_usage                                       34541   34576     +35
static.hwclock_longopts                               60      84     +24
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/0 up/down: 506/0)             Total: 506 bytes

Signed-off-by: Andrej Picej <andrej.picej@norik.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2023-07-12 16:27:49 +02:00
Denys Vlasenko
251e08ffa6 move ADJTIME_PATH define to header files 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2020-12-17 20:53:43 +01:00
Denys Vlasenko
fb132e4737 whitespace cleanup 
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
 2010-10-29 11:46:52 +02:00
Denys Vlasenko
0ef64bdb40 *: make GNU licensing statement forms more regular 
This change retains "or later" state! No licensing _changes_ here,
only form is adjusted (article, space between "GPL" and "v2" and so on).

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-08-16 20:14:46 +02:00
Denys Vlasenko
dc698bb038 *: make it easier to distinquish "struct tm", pointer to one, etc 
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-01-09 19:10:49 +01:00
Denys Vlasenko
5e3b14069e hwclock: make it report system/rtc clock difference 
function                                             old     new   delta
rtc_tm2time                                            -      89     +89
read_rtc                                              23      86     +63
rtc_read_tm                                            -      49     +49
hwclock_main                                         428     466     +38
rtcwake_main                                         453     477     +24
rtc_read_time                                        142       -    -142
------------------------------------------------------------------------------
(add/remove: 2/1 grow/shrink: 3/0 up/down: 263/-142)          Total: 121 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
 2010-01-06 22:43:39 +01:00
Denis Vlasenko
f81e8dbc74 *: make "pragma GCC visibility push(hidden)" less ugly 2009-04-09 12:35:13 +00:00
Denis Vlasenko
551ffdccea more of pointless whitespace fixes 2009-04-01 19:48:05 +00:00
Denis Vlasenko
ee5dce3365 libpwdgrp: make it coexist with <pwd.h>, <grp.h> and <shadow.h>. 
allows to get rid of hacks in libbb.h (extra declaration of setgroups -
 now it comes from grp.h as intended).
 2008-09-26 10:35:55 +00:00
Denis Vlasenko
defc1ea340 *: introduce and use FAST_FUNC: regparm on i386, otherwise no-on 
text    data     bss     dec     hex filename
 808035     611    6868  815514   c719a busybox_old
 804472     611    6868  811951   c63af busybox_unstripped
 2008-06-27 02:52:20 +00:00
Denis Vlasenko
98636eb08c Use intra-DSO calls when we build libbusybox. No-op for normal build. 
This was Bernhard Fischer' idea.

   text    data     bss     dec     hex filename
 773549    7781    9740  791070   c121e busybox.t7/0_lib/libbusybox.so.1.11.0.svn_unstripped
 769683    7397    9740  786820   c0184 busybox.t9t/0_lib/libbusybox.so.1.11.0.svn_unstripped
 2008-05-09 17:59:34 +00:00
Mike Frysinger
977bc6a137 we need to pass back the rtc device name that was actually used so that we can turn around and check its sysfs status 2008-02-15 07:19:03 +00:00
Mike Frysinger
6b160e490d split some rtc funcs out of hwclock and into an rtc header/lib so that the new rtcwake applet as well as hwclock can utilize the same code 2008-02-15 02:27:19 +00:00