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Add missing return value statement to fstat for the statx wrapping case.
Signed-off-by: Yann Sionneau <ysionneau@kalray.eu>
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fstatat64 syscall
Define fstatat64 as a wrapper of statx if the kernel does not support fstatat64 syscall
This is the case for non-legacy architectures that don't define __ARCH_WANT_NEW_STAT
in their linux arch/xxx/include/asm/unistd.h
Signed-off-by: Yann Sionneau <ysionneau@kalray.eu>
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The commit cf649082c7d4 ("remove forced gcc optimization") removed -O3
optimization specified in the code for the function _fork_parent, but at
the same time it removed the 'static inline' part of the function
definition. That change seems unintended and _fork_parent is not a part
of the libc interface. Make it static inline again.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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issue with gcc 12
The current definition of __WCHAR_MIN and __WCHAR_MAX are only correct
when wchar_t is an int. This is not the case on ARM/AArch64 where
wchar_t is an unsigned int, or some other architectures where wchar_t
is a long.
The current incorrect definition causes a build issue for example when
building mpd, which uses boost, with gcc 12.x:
In file included from /home/thomas/buildroot/aarch64/host/aarch64-buildroot-linux-uclibc/sysroot/usr/include/boost/integer.hpp:20,
from /home/thomas/buildroot/aarch64/host/aarch64-buildroot-linux-uclibc/sysroot/usr/include/boost/crc.hpp:42,
from ../src/storage/StorageState.cxx:43:
/home/thomas/buildroot/aarch64/host/aarch64-buildroot-linux-uclibc/sysroot/usr/include/boost/integer_traits.hpp:105:69: error: narrowing conversion of ‘-2147483648’ from ‘int’ to ‘wchar_t’ [-Wnarrowing]
105 | public detail::integer_traits_base<wchar_t, WCHAR_MIN, WCHAR_MAX>
| ^
This issue was fixed in glibc in 2013, see bug report
https://sourceware.org/bugzilla/show_bug.cgi?id=15036, and upstream
commit
https://sourceware.org/git/?p=glibc.git;a=commit;h=052aff95782fefe9c63566471063e8b20836bfb8.
Since the i386-specific definition of __WCHAR_MIN and __WCHAR_MAX was
also removed at the same time in glibc, we do the same as part of this
commit.
Reported-by: Clément Ramirez <clement.ramirez@bootlin.com>
With-some-useful-help-from: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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See here for details:
https://sourceware.org/bugzilla/show_bug.cgi?id=28509
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Added definition for MAP_FIXED_NOREPLACE which was added in kernel 4.17
Signed-off-by: linted <linted@users.noreply.github.com>
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on MIPS.
Signed-off-by: Evgeniy Manachkin <sfstudio@wi-cat.ru>
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Added 32-bit RISC-V support. I have managed to get 32-bit RISC-V No-MMU
Linux running based on mainstream buildroot. It's nice to have uclibc
support this 32-bit No-MMU target.
There's no substantial code change except definations and config
options.
Signed-off-by: Yimin Gu <ustcymgu@gmail.com>
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Modified config files and crt1.S to support static pie elf generation.
Signed-off-by: linted <linted@users.noreply.github.com>
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Add ability to use optimized versions of string functions for ARCv3 32-bit
CPUs with UCLIBC_HAS_STRING_ARCH_OPT option. Add optimized
memcpy/memset/memcmp code for ARCv3 CPUs based on the code from newlib
and adapt for ARCv3 existed optimized strchr/strcmp/strcpy/strlen.
Link to the Synopsys newlib repo with code for ARCv3 on GitHub:
https://github.com/foss-for-synopsys-dwc-arc-processors/newlib
Signed-off-by: Pavel Kozlov <pavel.kozlov@synopsys.com>
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New ARCv3 ISA includes both 64-bit and 32-bit CPU family.
This patch adds support for 32-bit ARCv3 HS5x processors.
Signed-off-by: Sergey Matyukevich <sergey.matyukevich@synopsys.com>
Signed-off-by: Pavel Kozlov <pavel.kozlov@synopsys.com>
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Add a header file with assembler macros to be able to handle in one
place the differences between ARCv2 and ARCv3 ISAs. It is a preparatory
step before the introduction of support for ARCv3 CPUs.
Signed-off-by: Sergey Matyukevich <sergey.matyukevich@synopsys.com>
Signed-off-by: Pavel Kozlov <pavel.kozlov@synopsys.com>
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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When uclibc is built with static PIE support the _dl_load_base variable
shared between the libc-tls.c and reloc_static_pie.c creates the
dependency that requires linking reloc_static_pie.o into static
position-dependent executables resulting in the following build errors:
gcc -static test.c -o test
...ld:
...usr/lib/libc.a(reloc_static_pie.os):(.text+0x0):
undefined reference to `_DYNAMIC'
Move _dl_load_base definition to libc-tls.c to resolve this dependency
and fix static PDE build.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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on mips
Updated config to allow compilation of rcrt1.o for mips and modified it's crt1.S to perform relocates in __start.
The mips architecture performs relocations differently then most other architectures. reloc_static_pie was rewritten, taking code from dl-startup.c, in order to perfrom the additional relocations. Modifications were made to mips' dl-startup.h to allow for the use of contained macros without including _start definition.
Signed-off-by: linted <linted@users.noreply.github.com>
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on aarch64
Updated config to allow compilation of rcrt1.o for aarch64 and modified it's crt1.S to relocate dynamic section prior to __uClibc_main.
Disabled stack protector when compiling reloc_static_pie.c to avoid TLS access prior to it being setup.
Signed-off-by: linted <linted@users.noreply.github.com>
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There is a real-world usage of RUSAGE_THREAD by the pistache project,
https://github.com/oktal/pistache.
Reported-By: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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on i386, x86_64, and arm.
This patch adds the generation of rcrt1.o which is used by gcc when compiling with the --static-pie flag.
rcrt1.o differs from crt1.o and Scrt1.o in that it the executable has a dynamic section but no relocations have been performed prior to _start being called.
crt1.o assumes there to be no dynamic relocations, and Scrt1.o has all relocations performed prior to execution by lsdo.
The new reloc_static_pie function handles parsing the dynamic section, and performing the relocations in a architecture agnostic method.
It also sets _dl_load_base which is used when initalizing TLS to ensure loading from the proper location.
This allows for easier porting of static-pie support to additional architectures as only modifications to crt1.S to find the load address are required.
Signed-off-by: linted <linted@users.noreply.github.com>
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Implement getcontext, makecontext, setcontext and swapcontext.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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getaddrinfo() returns addresses from, at least, ip(7) and ipv6(7),
but _addr() always uses sin_addr from struct sockaddr_in;
we're saved from wild unsoundness (or incompatibility)
by virtue of struct sockaddr_in6 having an always-0 u32 sin6_flowinfo
at the same offset, so we end up returning 0 anyway,
but in a round-about and definitely unintended way
Instead, limit the request to AF_INET, and fall through to the end
early, returning the default id=0
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
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Explicitly include stdint header as logic uses INT[64]_MAX, just
in case for future, even though the chain of headers from existing
includes brings in the definition indirectly as of now.
Cross check for time gap between prngplus reseeding, periodically,
has the internal state is being consumed, so that if there is too
much time gap, then prng reseeding can be forced, before the normal
reseed window is reached. This is useful for long running programs
which trigger dns queries only intermittently.
If clock_gettime is not available, then reseed more frequently, by
default. A platform developer may change the reseed frequence, to
be bit more less often in this case, if needed, by tweaking the
defines in the source.
Signed-off-by: hanishkvc <hanishkvc@gmail.com>
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This borrows getloadavg.c from musl.
getloadavg pops up often. Recently llvm and rust are dependent on it.
glibc and musl have it and no-one actually checks if it's available in your libc.
It's just become way easier to add it in uclibc-ng rather than patch everything else.
Signed-off-by: Lance Fredrickson <lancethepants@gmail.com>
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This macro exists since Linux 2.6.25 [1] and is defined in glibc
since 2.14 [2] for sparc and most supported architectures.
RLIMIT_RTTIME has been added later for mips [3] and alpha [4].
For example, RLIMIT_RTTIME is needed to build qemu 7.0.0 with
Linux user-land emulation support [5].
[1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=78f2c7db6068fd6ef75b8c120f04a388848eacb5
[2] https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=67f86a251e0d36107fe28999281d46e76941c7b9
[3] https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=8969f4df1a526aa60dd0bc1c4736cf02104d4a05
[4] https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=53c2cb7641bd866398156625ef672bbd2d78a0d8
[5] https://git.qemu.org/?p=qemu.git;a=commitdiff;h=244fd08323088db73590ff2317dfe86f810b51d7
Signed-off-by: Romain Naour <romain.naour@gmail.com>
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Dns lookup logic has been updated to provide a configurable compile
time selection of dns query id generation logics, including random,
where possible, instead of the previous simple counter mode.
This should make dns poison attempts more difficult. The uclibc
developers wish to thank the white hat teams which alerted the
community about the possible weakness in the dns path, given the
increased resources with adversaries today.
Given that embedded systems may or may not have sources for trying
to generate random numbers, and also to try and keep the load on
the system low, by default it uses the standard random prng based
logic to indirectly generate the ids.
However if either urandom or else if realtime clock is available on
the target, then the same is used to reseed the prng periodically
in a slightly non deterministic manner. Also additional transform
(one way where possible) is used to avoid directly exposing the
internal random sequence.
The dns lookup logic maintains its own state wrt the random prng
functions, so that other users of the library's random prng are
not affected wrt their operations with the prng.
Note to Platform developers:
If you want to change from the default prngplus based logic, to one
of the other logics provided, then during compile/config time you can
switch to one of these additional choices wrt dns query id generation,
by using make config and companions.
If your platform doesnt support urandom nor a realtime clock backed
by a source with sufficient resolution, and or for some reason if you
want to revert to previous simple counter, rather than the transformed
random prng plus logic, you can force the same at compile time by
selecting SimpleCounter mode.
If you want to increase the randomness of the generated ids, and dont
mind the increased system load and latency then you could select the
Urandom mode during config. Do note that it will be dipping into the
entropy pool maintained by ur system.
If your target has a system realtime clock available and exposed to
user space, and inturn if you want to keep the underlying logic simple,
you could try using the clock option from the config. However do note
that the clock should have nanosecond resolution to help generate ids
which are plausibly random. Also improvements to processor and or io
performance can affect this.
Wrt the URandom and Clock modes, if there is a failure with generation
of the next random value, the logic tries to fallback to simple counter
mode.
If you want to change the underlying logic to make it more random
and or more simple, look at dnsrand_setup and dnsrand_next.
Signed-off-by: hanishkvc <hanishkvc@gmail.com>
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The ARM implementation of memset has a bug when the fill-value is negative or outside the
[0, 255] range. To reproduce:
char array[256];
memset(array, -5, 256);
This is supposed to fill the array with int8 values -5, -5, -5, ... . On ARM, this does
not work because the implementation assumes the high bytes of the fill-value argument are
already zero. However in this test case they are filled with 1-bits. The aarch64 and x86_64
implementations do not have this problem: they first convert the fill-value to an unsigned
byte following the specification of memset.
With GCC one can use `memset(ptr, (-5 & 0xFF), size)` as a workaround, but for clang
users that does not work: clang optimizes the `& 0xFF` away because it assumes that
memset will do it.
Signed-off-by: Tom Bannink <tombannink@gmail.com>
Acked-by: Peter Korsgaard <peter@korsgaard.com>
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Defined in kernel v3.14, commit
aab03e05e8f7 ("sched/deadline: Add SCHED_DEADLINE structures & implementation")
Signed-off-by: Petr Vorel <petr.vorel@gmail.com>
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Signed-off-by: Peter Seiderer <ps.report@gmx.net>
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When MD_FALLBACK_FRAME_STATE_FOR handler in libgcc unwind code checks
the second instruction opcode in __default_rt_sa_restorer function,
it expects to see the following values for ARC cores:
- 0x7ee0781e for ARCv2 LE
- 0x003f226f for ARC700 LE
ARC700 value correspond to trap0 instruction. ARCv2 value corresponds
to the following code:
traps_0
j_s [blink]
However, unlike glibc, uClibc implementation of __default_rt_sa_restorer
for ARC does not have that jump. Hence libgcc unwind code is not able
to recognize signal frame correctly on ARCv2 and completes too early.
This change fixes libgcc unwinding over signal frame on ARCv2 adding
missing jump to __default_rt_sa_restorer.
Signed-off-by: Sergey Matyukevich <sergey.matyukevich@synopsys.com>
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Fixes those two warnings:
In file included from <command-line>:
libc/sysdeps/linux/common/openat64.c:18:33: warning: 'openat64' alias between functions of incompatible types 'int(int, const char *, int, ...)' and 'int(int, const char *, int, mode_t)' {aka 'int(int, const char *, int, unsigned int)'} [-Wattribute-alias=]
18 | strong_alias_untyped(__openat64,openat64)
| ^~~~~~~~
./include/libc-symbols.h:177:31: note: in definition of macro '_strong_alias_untyped'
177 | extern __typeof (aliasname) aliasname __attribute__ ((alias (#name))) __attribute_copy__ (name);
| ^~~~~~~~~
libc/sysdeps/linux/common/openat64.c:18:1: note: in expansion of macro 'strong_alias_untyped'
18 | strong_alias_untyped(__openat64,openat64)
| ^~~~~~~~~~~~~~~~~~~~
libc/sysdeps/linux/common/openat64.c:14:12: note: aliased declaration here
14 | static int __openat64(int fd, const char *file, int oflag, mode_t mode)
| ^~~~~~~~~~
and
CC libc/sysdeps/linux/common/stat.os
libc/sysdeps/linux/common/stat.c: In function 'stat':
libc/sysdeps/linux/common/stat.c:28:40: warning: passing argument 3 of 'fstatat64' from incompatible pointer type [-Wincompatible-pointer-types]
28 | return fstatat64(AT_FDCWD, file_name, buf, 0);
| ^~~
| |
| struct stat *
In file included from libc/sysdeps/linux/common/stat.c:11:
./include/sys/stat.h:258:35: note: expected 'struct stat64 * restrict' but argument is of type 'struct stat *'
258 | struct stat64 *__restrict __buf, int __flag)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
Signed-off-by: Yann Sionneau <ysionneau@kalray.eu>
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Signed-off-by: Yann Sionneau <ysionneau@kalray.eu>
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Signed-off-by: Yann Sionneau <ysionneau@kalray.eu>
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- use the provided __res_state() method instead of direct access
to struct __res_state pointer &_res/*__resp
- change the __UCLIBC_HAS_TLS__ protected __res_state() implementation
to the one where the comment 'When threaded, _res may be a per-thread
variable.' indicates this should be used with threads/TLS enabled
Fixes the following segfaults with buildroot raspberrypi3_64_defconfig
(uclibc, -Os, Note: runs fine using the raspberrypi3_defconfig):
$ /usr/sbin/ntpd -n -d
1970-01-01T00:01:49 ntpd[249]: INIT: ntpd ntpsec-1.2.0 2021-11-03T20:39:50Z: Starting
1970-01-01T00:01:49 ntpd[249]: INIT: Command line: /usr/sbin/ntpd -n -d
1970-01-01T00:01:49 ntpd[249]: INIT: precision = 7.240 usec (-17)
1970-01-01T00:01:49 ntpd[249]: INIT: successfully locked into RAM
1970-01-01T00:01:49 ntpd[249]: CONFIG: readconfig: parsing file: /etc/ntp.conf
1970-01-01T00:01:49 ntpd[249]: CONFIG: restrict nopeer ignored
1970-01-01T00:01:49 ntpd[249]: INIT: Using SO_TIMESTAMPNS
1970-01-01T00:01:49 ntpd[249]: IO: Listen and drop on 0 v6wildcard [::]:123
1970-01-01T00:01:49 ntpd[249]: IO: Listen and drop on 1 v4wildcard 0.0.0.0:123
1970-01-01T00:01:49 ntpd[249]: IO: Listen normally on 2 lo 127.0.0.1:123
1970-01-01T00:01:49 ntpd[249]: IO: Listen normally on 3 eth0 172.16.0.30:123
1970-01-01T00:01:49 ntpd[249]: IO: Listen normally on 4 lo [::1]:123
1970-01-01T00:01:49 ntpd[249]: IO: Listen normally on 5 eth0 [fe80::ba27:ebff:fea6:340%2]:123
1970-01-01T00:01:49 ntpd[249]: IO: Listening on routing socket on fd #22 for interface updates
1970-01-01T00:01:50 ntpd[249]: SYNC: Found 10 servers, suggest minsane at least 3
1970-01-01T00:01:50 ntpd[249]: INIT: MRU 10922 entries, 13 hash bits, 65536 bytes
1970-01-01T00:01:50 ntpd[249]: statistics directory /var/NTP/ does not exist or is unwriteable, error No such file or directory
1970-01-01T00:01:51 ntpd[249]: DNS: dns_probe: 0.pool.ntp.org, cast_flags:8, flags:101
Segmentation fault (core dumped)
$ ./host/bin/aarch64-buildroot-linux-uclibc-gdb ./build/ntpsec-1_2_0/build/main/ntpd/ntpd core
Core was generated by `/usr/sbin/ntpd -n -d'.
Program terminated with signal SIGSEGV, Segmentation fault.
(gdb) where
#0 0x0000007f8ff1f150 in res_sync_func () at libc/inet/resolv.c:3356
#1 0x0000007f8ff1c468 in __open_nameservers () at libc/inet/resolv.c:949
#2 0x0000007f8ff1b498 in __dns_lookup (name=0x55943c67f0 "0.pool.ntp.org",
type=1, outpacket=0x7f8fe91c48, a=0x7f8fe91c08) at libc/inet/resolv.c:1134
#3 0x0000007f8ff1d744 in __GI_gethostbyname_r (
name=0x55943c67f0 "0.pool.ntp.org", result_buf=0x7f8fe92628,
buf=0x7f8fe91d90 "", buflen=992, result=0x7f8fe92670,
h_errnop=0x7f8fe92668) at libc/inet/resolv.c:1966
#4 0x0000007f8ff1d9a0 in __GI_gethostbyname2_r (
name=0x55943c67f0 "0.pool.ntp.org", family=2, result_buf=0x7f8fe92628,
buf=0x7f8fe91d70 "0.pool.ntp.org", buflen=1024, result=0x7f8fe92670,
h_errnop=0x7f8fe92668) at libc/inet/resolv.c:2065
#5 0x0000007f8ff16924 in gaih_inet (name=0x55943c67f0 "0.pool.ntp.org",
service=0x7f8fe92828, req=0x7f8fe92890, pai=0x7f8fe92838)
at libc/inet/getaddrinfo.c:596
#6 0x0000007f8ff17624 in __GI_getaddrinfo (
name=0x55943c67f0 "0.pool.ntp.org",
service=0x5582eb8acd "\377H\213D$\bL\211\367H\213\260\270",
hints=0x7f8fe92890, pai=0x5582ee1bf8) at libc/inet/getaddrinfo.c:957
#7 0x0000005582ea60f4 in _start ()
(gdb) p _res
$1 = {options = 0, nsaddr_list = {{sin_family = 0, sin_port = 0, sin_addr = {
s_addr = 0}, sin_zero = "\000\000\000\000\000\000\000"}, {
sin_family = 0, sin_port = 0, sin_addr = {s_addr = 0},
sin_zero = "\000\000\000\000\000\000\000"}, {sin_family = 0,
sin_port = 0, sin_addr = {s_addr = 0},
sin_zero = "\000\000\000\000\000\000\000"}}, dnsrch = {0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0}, nscount = 0 '\000', ndots = 0 '\000',
retrans = 0 '\000', retry = 0 '\000', defdname = '\000' <repeats 255 times>,
nsort = 0 '\000', pfcode = 0, id = 0, res_h_errno = 0, sort_list = {{addr = {
s_addr = 0}, mask = 0}, {addr = {s_addr = 0}, mask = 0}, {addr = {
s_addr = 0}, mask = 0}, {addr = {s_addr = 0}, mask = 0}, {addr = {
s_addr = 0}, mask = 0}, {addr = {s_addr = 0}, mask = 0}, {addr = {
s_addr = 0}, mask = 0}, {addr = {s_addr = 0}, mask = 0}, {addr = {
s_addr = 0}, mask = 0}, {addr = {s_addr = 0}, mask = 0}}, _u = {
_ext = {nsaddrs = {0x0, 0x0, 0x0}, nscount = 0 '\000', nstimes = {0, 0,
0}, nssocks = {0, 0, 0}, nscount6 = 0, nsinit = 0}}}
(gdb) p &_res
$2 = (struct __res_state *) 0x7f8ff8fd98 <_res>
(gdb) p rp
$3 = (struct __res_state *) 0x7fffffffff
And the following uclibc code at libc/inet/resolv.c:3356:
3345 static void res_sync_func(void)
3346 {
3347 struct __res_state *rp = &(_res);
3348 int n;
3349
3350 /* If we didn't get malloc failure earlier... */
3351 if (__nameserver != (void*) &__local_nameserver) {
3352 /* TODO:
3353 * if (__nameservers < rp->nscount) - try to grow __nameserver[]?
3354 */
3355 #ifdef __UCLIBC_HAS_IPV6__
3356 if (__nameservers > rp->_u._ext.nscount)
3357 __nameservers = rp->_u._ext.nscount;
3358 n = __nameservers;
The special thing about ntpsec is the DNS lookup in an extra thread
and/or the call to res_init(), see ntpsec-1_2_0/ntpd/ntp_dns.c:
69 msyslog(LOG_INFO, "DNS: dns_probe: %s, cast_flags:%x, flags:%x%s",
70 hostname, pp->cast_flags, pp->cfg.flags, busy);
71 if (NULL != active) /* normally redundant */
72 return false;
73
74 active = pp;
75
76 sigfillset(&block_mask);
77 pthread_sigmask(SIG_BLOCK, &block_mask, &saved_sig_mask);
78 rc = pthread_create(&worker, NULL, dns_lookup, pp);
and
165 static void* dns_lookup(void* arg)
166 {
167 struct peer *pp = (struct peer *) arg;
168 struct addrinfo hints;
169
170 #ifdef HAVE_SECCOMP_H
171 setup_SIGSYS_trap(); /* enable trap for this thread */
172 #endif
173
174 #ifdef HAVE_RES_INIT
175 /* Reload DNS servers from /etc/resolv.conf in case DHCP has updated it.
176 * We only need to do this occasionally, but it's not expensive
177 * and simpler to do it every time than it is to figure out when
178 * to do it.
179 * This res_init() covers NTS too.
180 */
181 res_init();
182 #endif
183
184 if (pp->cfg.flags & FLAG_NTS) {
185 #ifndef DISABLE_NTS
186 nts_probe(pp);
187 #endif
188 } else {
189 ZERO(hints);
190 hints.ai_protocol = IPPROTO_UDP;
191 hints.ai_socktype = SOCK_DGRAM;
192 hints.ai_family = AF(&pp->srcadr);
193 gai_rc = getaddrinfo(pp->hostname, NTP_PORTA, &hints, &answer);
194 }
$ /usr/lib/uclibc-ng-test/test/inet/tst-res
Segmentation fault (core dumped)
$ ./host/bin/aarch64-buildroot-linux-uclibc-gdb ./build/uclibc-ng-test-0844445e7358eb10e716155b55b0fb23e88d644a/test/inet/tst-res core
Core was generated by `/usr/lib/uclibc-ng-test/test/inet/tst-res'.
Program terminated with signal SIGSEGV, Segmentation fault.
(gdb) where
#0 __GI___res_init () at libc/inet/resolv.c:3514
#1 0x0000005591e507e4 in main (argc=<optimized out>, argv=<optimized out>)
at tst-res.c:20
First reported here:
https://lore.kernel.org/buildroot/20211028230131.5f50d6e7@gmx.net/
https://www.mail-archive.com/devel@uclibc-ng.org/msg01085.html
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
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