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* J/j is a three valued option, document and fix code to actuall support thatotto2016-07-061-3/+5
| | | | | with a little help from jmc@ for the man page bits ok jca@ and a reluctant tedu@
* adapt S option: add C, rm F (not relevant with 0 cache and disablesotto2016-06-301-3/+3
| | | | chunk rnd), rm P: is default
* Back out previous; otto saw a potential race that could lead to atb2016-06-281-32/+23
| | | | | | double unmap and I experienced a much more unstable firefox. discussed with otto on icb
* defer munmap to after unlocking malloc. this can (unfortunately) be antedu2016-06-271-23/+32
| | | | | | | expensive syscall, and we don't want to tie up other threads. there's no need to hold the lock, so defer it to afterwards. from Michael McConville ok deraadt
* Fix typo; the period should be outside the parens. From Michael McConvillemillert2016-06-021-3/+3
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* The icdb magic number doesn't need to be visible to static linksguenther2016-05-301-2/+2
| | | | ok tedu@
* Remove dead support for changing BDB hash algorithm and cache of alternativesguenther2016-05-291-5/+4
| | | | ok natano@ millert@ deraadt@
* Remove a vax remnant (that was really a no-op anyway).millert2016-05-021-3/+1
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* Allow setenv(3) and putenv(3) to operate on a NULL environ pointer.millert2016-04-251-11/+15
| | | | | | The getenv(3) and unsetenv(3) functions already support this. This will make it easier to emulate the glibc clearenv() function in ports. Based on a diff from and OK jca@
* two times a define to an inline function, from Michael McConville; ok djm@otto2016-04-121-10/+19
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* tweak MALLOC_STATS printing (switched off by default), prodded byotto2016-04-091-14/+14
| | | | Michael McConville
* redundant memset(3), from Michael McConville, ok armani@otto2016-04-091-2/+1
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* Prefer _MUTEX_*LOCK over _THREAD_PRIVATE_MUTEX_*LOCK() when thread-specificguenther2016-04-051-4/+4
| | | | | | data isn't necessary. ok mpi@, ok&tweak natano@
* Document ``use after free'' error messageotto2016-04-031-2/+4
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* for some time now mandoc has not required MLINKS to functionjmc2016-03-301-29/+1
| | | | | | | | | | | | correctly - logically complete that now by removing MLINKS from base; authors need only to ensure there is an entry in NAME for any function/ util being added. MLINKS will still work, and remain for perl to ease upgrades; ok nicm (curses) bcook (ssl) ok schwarze, who provided a lot of feedback and assistance ok tb natano jung
* properly guard to macrosmmcc2016-03-171-5/+5
| | | | ok otto@
* small step towards multiple pools: move two globls into the struct dir_infootto2016-03-141-112/+126
| | | | ok @stefan armani@
* environ and __progname are not declared in a public header; declare themguenther2016-03-134-10/+4
| | | | | | in libc's hidden/stdlib.h instead of in each .c file that needs one ok deraadt@ gsoares@ mpi@
* Remove sentences in RETURN VALUES sections saying that functions withmmcc2016-03-124-25/+8
| | | | | | | | | | | | | void return types 'return no value'. This is obvious and therefore unneccessary to mention. We spare rewind(3)'s sentence because espie@ pointed out that it's a warning - the function masks a potential error. This commit also adds a sentence to X509_free clarifying that it's NULL-safe. This bit was discussed with doug@. ok martijn@, sentiment supported by schwarze@
* refactor option letter parsing into a subfunction, to increase clarityderaadt2016-02-251-93/+102
| | | | | about which options are turned on/off by 's' and 'S' ok tedu
* compare pointer to NULL in example codemmcc2016-02-071-3/+3
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* be more forceful about not using these.espie2016-02-051-2/+9
| | | | improvements sthen@, jmc@. okay millert@, jca@ jmc@
* Fix err(3) calls after allocation failures in examples.schwarze2016-02-051-8/+8
| | | | | | There is long-standing consensus that err(1, NULL) is the best idiom after failure of malloc(3) and friends. Quirk in the manual noticed by tb@.
* Don't crash dumping malloc stats if malloc_init hasn't been called, noted byotto2016-01-261-1/+3
| | | | David CARLIER
* Long ago, malloc internally had two kinds of failures, warnings and errors.tedu2016-01-062-14/+7
| | | | | | | | The 'A' option elevated warnings to errors, and has been the default for some time. Then warnings were effectively eliminated in favor of everything being an error, but then the 'a' flag turned real errors into warnings! Remove the 'a' option entirely. You shouldn't have used it anyway. ok tb tdeval
* Follow style(9) and drop lint /* NOTREACHED */ annotations fromtb2016-01-042-6/+4
| | | | | | | | the examples. Diff from Juuso Lapinlampi < wub () partyvan ! eu >, thanks! ok schwarze@
* another case where bad things would happen after wrterrortedu2015-12-301-2/+4
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* if somebody makes the mistake of disabling abort, don't deref null intedu2015-12-301-2/+4
| | | | validate_junk. from Michal Mazurek
* Remove NULL-checks before free() and a few related dead assignments.mmcc2015-12-281-5/+3
| | | | ok and valuable input from millert@
* remove unused variablechl2015-12-271-2/+1
| | | | ok tedu@
* Simplify return call of rand() and rand_r() to make it easier to read.tb2015-12-181-2/+2
| | | | | | | | | This is slightly less robust, but RAND_MAX must be one below a power of two in both variants anyway. Based on a suggestion by Matthew Martin. ok tedu@
* tiny sanity check on file sizetedu2015-12-101-1/+3
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* Integrate two patches originally from Daniel Micay.tedu2015-12-091-8/+76
| | | | | | | | | | | | 1. Optionally add random "canaries" to the end of an allocation. This requires increasing the internal size of the allocation slightly, which probably results in a large effective increase with current power of two sizing. Therefore, this option is only enabled via 'C'. 2. When writing junk (0xdf) to freed chunks (current default behavior), check that the junk is still intact when finally freeing the delayed chunk to catch some potential use after free. This should be pretty cheap so there's no option to control it separately. ok deraadt tb
* change Xrs from now-defunct db(3) to dbopen(3); this wasn;t ajmc2015-11-302-6/+6
| | | | | | | straight replace: thanks both to schwarze and maja for feedback on how to rewrite parts; i've snuck in an rcs id->openbsd id change in dev_mkdb too;
* Wrap <icdb.h> so that calls go direct and the symbols are all weakguenther2015-11-251-1/+12
| | | | ok tedu@
* Don't fake a bulleted list by prefixing items with 'o'.bentley2015-11-241-8/+8
| | | | ok jmc@
* add a version field to prevent mayhem if different data gets storedtedu2015-11-181-3/+7
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* update for new symbols and codetedu2015-11-181-2/+2
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* Add icdb, the internal c database. A simpler replacement for the oldtedu2015-11-181-0/+367
| | | | Berzerkeley DB code.
* update NAME section to include all documented functions,jmc2015-11-101-3/+3
| | | | | | or otherwise change Dt to reflect the name of an existing function; feedback/ok schwarze
* libc.so can't be unloaded, so move the hidden atexit() and pthread_atfork()guenther2015-11-101-1/+13
| | | | | | | | | | | stubs for the executable from crtbegin.o into libc, which lets them be excluded from static links that don't use them. For this, drop the normal crt{begin,end}S.o from libc.so: the .init and .fini sections for libc aren't called at the right times anyway, so it's good that they're unused. libc.so just needs __guard_local and the .note.openbsd.ident section, so add them to stack_protector.c for now (this will be improved) "good time" deraadt@
* Move the _atfork_list definition to atexit.c so that the fork syscall stubguenther2015-10-251-1/+5
| | | | | | doesn't get pulled into all static executables ok millert@ jca@
* Hide __atexit and __atexit_register_cleanup()guenther2015-10-252-2/+9
| | | | | | | | Wrap __cxa_{atexit,finalize}() so the call from exit() goes direct Switch regress/lib/libc/atexit/ to be built with -static so that it can still access __atexit* ok millert@ jca@
* Use sigaction() instead of signal() to avoid pulling in unnecessaryguenther2015-10-251-3/+5
| | | | | | | wrappers. To keep uses from crawling back in, mark signal() as deprecated inside libc. ok deraadt@
* Loop the waitpid() on EINTR, and save and restore the disposition ofguenther2015-10-231-9/+12
| | | | | | | SIGINT and SIGQUIT with sigaction() instead of signal() so that all bits are preserved. ok deraadt@ millert@
* Merge the sigaction() and sigprocmask() overloads/wrappers from libpthreadguenther2015-10-231-4/+3
| | | | | | | | | into libc, and move pthread_sigmask() as well (just a trivial wrapper). This provides consistent handling of SIGTHR between single- and multi-threaded programs and is a step in the merge of all the libpthread overloads, providing some ASM and Makefile bits that the other wrappers will need. ok deraadt@ millert@
* In rev 1.15 the sizeof argument was fixed in a strlcat() call butmillert2015-10-131-2/+2
| | | | | | the truncation check immediately following it was not updated to match. Not an issue in practice since the buffers are the same size. OK deraadt@
* Eliminate the last of the LINTEDn and PRINTFLIKEn comments. In oneguenther2015-10-011-4/+2
| | | | | | | case, by deleting some useless '& of an array' we also eliminate the need for the casts which prompted the original lint warnings ok deraadt@
* lint is dead: delete useless LINTLIBRARY commentsguenther2015-09-262-4/+2
| | | | ok millert@
* Don't wrap initialized variables: binutils appears to be mishandling themguenther2015-09-191-1/+3
| | | | | | on arm and m88k problems with optind observed by jsg@
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