usr.sbin: Remove repeated words

Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed by: imp
Pull Request: https://github.com/freebsd/freebsd-src/pull/887

usr.sbin: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

usr.sbin: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/

Sponsored by: Netflix

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Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

Merge ^/head r340918 through r341763.

Style cleanup.

Merge ^/head r339813 through r340125.

Unbreak nscd(8). Without this change the CMSG gets truncated.

Reviewed by: des
MFC after: 2 weeks
Sponsored by: Chalmers University of Technology
Differential Revision: https://reviews.freebsd.org/

Unbreak nscd(8). Without this change the CMSG gets truncated.

Reviewed by: des
MFC after: 2 weeks
Sponsored by: Chalmers University of Technology
Differential Revision: https://reviews.freebsd.org/D17452

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Merge ^/head r318560 through r318657.

Fix up two assertions following malloc(). vangyzen@ notified me of
the second one. The first one is fixed as well.

Reported by: vangyzen@
MFC after: 1 week

Fix non-recoverable name resolution failures due to negative cache
entries never expiring. This patch honours the negative cache timeout.

To test/experience the failure do the following:

1. Edit /e

Fix non-recoverable name resolution failures due to negative cache
entries never expiring. This patch honours the negative cache timeout.

To test/experience the failure do the following:

1. Edit /etc/ncd.conf to adjust the cache timeouts as follows:

positive-time-to-live hosts 30
negative-time-to-live hosts 1

2. Ensure that nsswitch.conf hosts line contains something like:

hosts: files cache dns

Note that cache must be specified before dns.

3. Start nscd.

4. Run the following command:

while true; do nc -z -w 3 www.google.com 80; sleep 5; done

5. While running the command, remove or comment out all nameserver
statements in /etc/resolv.conf. After a short while you will notice
non-recoverable name rsolution failures.

6. Uncomment or replace all nameserver statements back into
/etc/resolv.conf. Take note that name resolution never recovers.
To recover nscd must be restarted. This patch fixes this.

PR: 207804
Submitted by: Jov <amutu@amutu.com>
MFC after: 1 week

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Merge from head@274682

Reintegrate head@r273095

Sponsored by: The FreeBSD Foundation

Merge HEAD@r272944.

IFC @r272887

Sync to HEAD@r272825.

Properly set the timeout in a query_state. The global query_timeout
configuration value is an integer count of seconds, it is not a timeval.
Using memcpy() to copy a timeval from it put garbage into

Properly set the timeout in a query_state. The global query_timeout
configuration value is an integer count of seconds, it is not a timeval.
Using memcpy() to copy a timeval from it put garbage into the tv_usec
field.

PR: 194025
Submitted by: David Shane Holden <dpejesh@yahoo.com>
MFC after: 1 week

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Merge from head

- MFC

Remove casts from {c,m,re}alloc() and simplify sizeof().

MFC after: 1 week

Explain to the compiler why the aliasing we're doing is OK.

MFC after: 1 week

Fix a large number of signed - unsigned comparison warnings.

MFC after: 1 week

#include cleanup

MFC after: 1 week

Reduce code duplication: use calloc instead of allocing and memset
afterward.

Approved by: bushman

- Renaming repocopied cached to nscd

Approved by: re (kensmith), brooks (mentor)

Fix alignment problem on AMD64.

Reported by: Pascal Hofstee <caelian__at__gmail.com>
Submitted by: Michael Bushkov <bushman__at__rsu.ru>
Tested by: Pascal Hofstee <caelian__at__gmail.com>