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* Replace the simple memmem() implementation with a version that is O(n)claudio2020-04-161-47/+167
| | | | | based on code from musl and now similar to our strstr(). OK tb@ millert@
* Resync our strstr.c with the musl version. Removes some debug code andclaudio2020-04-161-11/+3
| | | | | optimizes one statement in two-way string compare. OK tb@ millert@
* "eventually" came and went back in 2004.libressl-v3.1.0martijn2020-03-301-3/+1
| | | | OK schwarze@
* correct Research Unix edition "appeared in" use in HISTORYjsg2020-02-081-3/+3
| | | | | | | | | | | | | | | | | Starting from "Combined Table of Contents" in Doug McIlroy's "A Research UNIX Reader" a table of which edition manuals appeared in. Checked against manuals from bitsavers/TUHS and source from TUHS where available. Ingo points out there are cases where something is included but not documented until a later release. bcd(6) v6 v7 printf(3) v2 v4 abort(3) v5 v6 system(3) v6 v7 fmod(3) v5 v6 ok schwarze@
* delete wasteful ;;deraadt2020-01-221-2/+2
| | | | ok tedu
* Document how to make getopt_long(3) process arguments in order and stopstsp2020-01-131-2/+18
| | | | | at the first non-option argument. I had to read source code to figure it out.
* drand48(3) returns values in [0.0, 1.0).tb2019-12-201-3/+3
| | | | | | From j@bitminer.ca with input from Andras Farkas, deraadt, joerg@netbsd "fix however you feel best!" jmc
* The file passed to realpath(3) must exists, adjust man page to newbluhm2019-12-111-3/+3
| | | | | behavior. noticed by hshoexer@; OK beck@
* gcc3, like clang and unlike our gcc4, doesn't support redirecting builtinsguenther2019-11-251-6/+12
| | | | | | | like mem{set,cpy,move} or __stack_smash_handler using asm() renaming. So treat gcc3 like clang and mark such functions as protected instead. ok ayoma@
* zap trailing whitespace;jmc2019-09-291-3/+3
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* Xr random 4 in a better wayderaadt2019-09-281-3/+5
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* Add comment line saying S is described vaguely on purpose.otto2019-09-141-2/+3
| | | | Prompted by guenther@
* mop up resolver.3 rename; ok deraadtjmc2019-08-305-15/+15
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* mop up for inet_net rename; ok deraadtjmc2019-08-303-9/+9
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* adapt to bitstring(3) renaming, and look at that bit_ffs(3) is the actualderaadt2019-08-301-3/+3
| | | | | name we want to Xr... ok jmc
* Move 4 manual pages from not-a-function filenames to a correct filename,deraadt2019-08-306-16/+16
| | | | | and correct Xr. ok jmc
* correct mispellings of EACCES; from Kris Katterjohnlibressl-v3.0.0deraadt2019-07-291-3/+3
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* improve verb-tense for explaining the calling convention of __deraadt2019-07-051-3/+3
| | | | ok guenther jmc
* The last consumer of pre-posix realpath behaviour has stoppedderaadt2019-07-051-34/+3
| | | | | | | | requiring it (sftp-server). Remove the /exists///// behaviour from here. The /nonexistant behaviour remains in the kernel and needs to be shot next. There may be ports fallout, but we doubt it. ok beck djm
* snprintf/vsnprintf return < 0 on error, rather than -1.deraadt2019-07-031-2/+2
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* tweak previous; ok guentherjmc2019-06-301-5/+6
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* Document that getcwd() and realpath() are built on system calls thatguenther2019-06-291-2/+16
| | | | | | | have a different calling convention than the standard function...as seen in kdump output. ok deraadt@ schwarze@
* When system calls indicate an error they return -1, not some arbitraryderaadt2019-06-284-12/+12
| | | | | | value < 0. errno is only updated in this case. Change all (most?) callers of syscalls to follow this better, and let's see if this strictness helps us in the future.
* The C89 standard only requires that atexit(3) returns a non-zero valueschwarze2019-06-271-5/+12
| | | | | | on error, so checking for -1 only is potentially non-portable. Also mention that the C89 standard does not require errno to be set. OK deraadt@ millert@
* sockatmark(3), recv(2), getsockopt(2), and connect(2) return specificallyderaadt2019-06-201-4/+4
| | | | | -1 to mark failure, not arbitrary values < 0. I believe manual pages should follow the described contract precisely and accurately.
* Remove old realpath(3), and the userland-vs-kernel realpath verificationderaadt2019-06-171-334/+44
| | | | | | | | code. We now user the simple userland wrapper on top of __realpath(2). The non-POSIX behaviour still remains, that is the next component to fix. From a diff by beck, but I managed to chainsaw it a bit further. Tested in snaps for a couple of days. ok beck
* oops - missing .El in previous;jmc2019-06-151-1/+2
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* realpath(3) doesn't use lstat(2), readlink(2), or getcwd(3) anymore,deraadt2019-06-151-21/+39
| | | | | | it is a thin wrapper over the syscall __readlink(2). Improve the list of possible errors. ok millert beck jmc
* Complete the ld.so boot cleanup: move most libc initialization fromguenther2019-06-022-8/+5
| | | | | | | | | | | | | | | | | _csu_finish() to _libc_preinit(), which is an .init_array function in shared libc (and mark it INITFIRST) or a .preinit_array function in static libc, grabbing the _dl_cb callback there from ld.so. Then in _csu_finish(), invoke the dl_clean_boot() callback to free ld.so's startup bits before main() gets control. Other cleanups this permits: - move various startup structures into .data.rel.ro - the dl* stubs in libc can be strong and call the callbacks provided via _dl_cb - no longer need to conditionalize dlctl() calls on presence of _DYNAMIC original concept and full diff ok kettenis@ ok deraadt@
* __realpath(2) appears to have improved, so re-enable the code thatderaadt2019-05-301-3/+136
| | | | | checks userland-parsing vs kernel parsing, we are hoping to spot another bug..
* There are some bugs in __realpath(2) -- it isn't quite ready so disablederaadt2019-05-291-136/+3
| | | | calling it until those are fixed.
* Enable the use of the kernel __realpath() system call in the libc wrapper.beck2019-05-281-3/+136
| | | | | | | | For now, this also still uses the existing realpath implmentation and emits a syslog if we see differening results. Once we have run with that for a little while we will remove the old code ok deraadt@
* Only override size of chunk if we're not given the actual length.otto2019-05-231-2/+3
| | | | Fixes malloc_conceal...freezero with malloc options C and/or G.
* clarify that later flags modify earlier flags;schwarze2019-05-191-2/+4
| | | | | triggered by a question from Jan Stary <hans at stare dot cz> on misc@; OK otto@
* More consistently put remarks about the less useful LC_* categoties,schwarze2019-05-162-14/+26
| | | | | | i.e. those other than LC_CTYPE, into the CAVEATS section, and standardize wording somewhat. OK jmc@
* delete two stray blank linesschwarze2019-05-151-4/+2
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* Move 'how this works' details from namespace.h to DETAILSguenther2019-05-132-112/+136
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* explicitly mention that RES_NOALIASES has no effect;schwarze2019-05-131-3/+4
| | | | | jmc@ noticed that the text wasn't completely clear; OK jmc@
* Mention introduction of *_conceal.otto2019-05-131-2/+8
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* Inroduce malloc_conceal() and calloc_conceal(). Similar to theirotto2019-05-102-199/+219
| | | | | counterparts but return memory in pages marked MAP_CONCEAL and on free() freezero() is actually called.
* In the incredibly unbelievable circumstance where _rs_init() fails toderaadt2019-03-241-2/+2
| | | | | | | | | allocate pages, don't call abort() because of corefile data leakage concerns, but simply _exit(). The reasoning is _rs_init() will only fail if someone finds a way to apply specific pressure against this failure point, for the purpose of leaking information into a core which they can read. We don't need a corefile in this instance to debug that. So take this "lever" away from whoever in the future wants to do that.
* escape backslashes;schwarze2019-03-201-3/+3
| | | | patch from Peter Piwowarski <peterjpiwowarski at gmail dot com>
* New futex(2) based rwlock implementation based on the mutex code.mpi2019-02-131-1/+12
| | | | | | | | | This implementation reduces contention because threads no longer need to spin calling sched_yield(2) before going to sleep. Tested by many, thanks! ok visa@, pirofti@
* Xr the byteorder funcs; from tim kuijstenjmc2019-02-131-3/+4
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* I am retiring my old email address; replace it with my OpenBSD one.millert2019-01-2518-45/+45
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* sort sections, and add a missing verb to the EXAMPLES text;jmc2019-01-221-24/+24
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* Wrap long lineotto2019-01-221-4/+4
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* a few tweakstedu2019-01-211-5/+9
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* Add example showing a proper comparison function, as many examples showotto2019-01-211-3/+40
| | | | the wrong idiom. ok tedu@ but probably needs some tweakin
* include stdint.h over sys/types.hbcook2019-01-201-2/+2
| | | | ok deraadt@ tedu@
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