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* fix (hopefully) PTRACE_TRACEME (command 0) argument handlingRich Felker2012-02-231-2/+2
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* fix get_current_dir_name behaviorRich Felker2012-02-171-2/+6
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* add get_current_dir_name functionRich Felker2012-02-171-0/+12
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* add legacy futimes and lutimes functionsRich Felker2012-01-242-0/+26
| | | | | based on patch by sh4rm4. these functions are deprecated; futimens and utimensat should be used instead in new programs.
* use prlimit syscall for getrlimit/setrlimitRich Felker2012-01-202-4/+14
| | | | | | this allows the full range of 64-bit limit arguments even on 32-bit systems. fallback to the old syscalls on old kernels that don't support prlimit.
* add prlimit syscall wrapperRich Felker2012-01-201-0/+8
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* alias basename to glibc name for it, to meet abi goalsRich Felker2012-01-181-0/+3
| | | | | | note that regardless of the name used, basename is always conformant. it never takes on the bogus gnu behavior, unlike glibc where basename is nonconformant when declared manually without including libgen.h.
* fix ptrace (maybe)Rich Felker2011-09-161-1/+8
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* implement ptrace syscall wrapper (untested)Rich Felker2011-09-151-0/+18
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* remove some stray trailing space charactersRich Felker2011-09-131-1/+1
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* fix some bugs in setxid and update setrlimit to use __synccallRich Felker2011-07-301-2/+27
| | | | | | | | setrlimit is supposed to be per-process, not per-thread, but again linux gets it wrong. work around this in userspace. not only is it needed for correctness; setxid also depends on the resource limits for all threads being the same to avoid situations where temporarily unlimiting the limit succeeds in some threads but fails in others.
* check for fd exhaustion in forkptyRich Felker2011-07-221-2/+15
| | | | | | | we cannot report failure after forking, so the idea is to ensure prior to fork that fd 0,1,2 exist. this will prevent dup2 from possibly hitting a resource limit and failing in the child process. fcntl rather than dup2 is used prior to forking to avoid race conditions.
* incorrect check for open failure in openpty functionRich Felker2011-07-221-1/+1
| | | | -1, not 0, indicates failure
* wordexp cannot use we_offs unless WRDE_DOOFFS flag is setRich Felker2011-06-251-1/+2
| | | | | | previously, a potentially-indeterminate value from we_offs was being used, resulting in wrong we_wordc and subsequent crashes in the caller.
* fix memory leak on failure in realpathRich Felker2011-06-181-4/+4
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* add useless, obsolescent function ulimitRich Felker2011-05-291-0/+19
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* properly create new session/controlling terminal in forkptyRich Felker2011-04-201-1/+4
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* implement (nonstandard) forkptyRich Felker2011-04-201-0/+22
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* block cancellation in wordexp, handle more errorsRich Felker2011-04-191-2/+17
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* avoid malloc of potentially-large string in wordexpRich Felker2011-04-191-10/+28
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* protect ftw and nftw against cancellationRich Felker2011-04-181-1/+6
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* protect syslog against cancellationRich Felker2011-04-181-5/+19
| | | | | | these functions are allowed to be cancellation points, but then we would have to install cleanup handlers to avoid termination with locks held.
* minimal realpath implementation using /procRich Felker2011-04-171-0/+43
| | | | | | | clean and simple, but fails when the caller does not have permissions to open the file for reading or when /proc is not available. i may replace this with a full implementation later, possibly leaving this version as an optimization to use when it works.
* remove stupid debug code in wordexpRich Felker2011-04-151-1/+0
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* implement wordexp. first try, may be buggy. intended to be safe.Rich Felker2011-04-151-0/+128
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* simplify syslog, add vsyslog interface (nonstandard)Rich Felker2011-04-131-31/+36
| | | | | | | | with datagram sockets, depending on fprintf not to flush the output early was very fragile; the new version simply uses a small fixed-size buffer. it could be updated to dynamic-allocate large buffers if needed, but i can't envision any admin being happy about finding 64kb-long lines in their syslog...
* remove useless SIGPIPE protection from syslogRich Felker2011-04-131-9/+0
| | | | per the standard, SIGPIPE is not generated for SOCK_DGRAM.
* fix syslog (corrected SIGPIPE blocking, and using dgram instead of stream)Rich Felker2011-04-131-10/+8
| | | | | | it actually appears the hacks to block SIGPIPE are probably not necessary, and potentially harmful. if i can confirm this, i'll remove them.
* implement getgrouplist (for initgroups), formerly dummied-out v0.7.8Rich Felker2011-04-131-4/+16
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* add ptsname_r (nonstandard) and split ptsname (standard) to separate fileRich Felker2011-04-132-11/+16
| | | | this eliminates the ugly static buffer in programs that use ptsname_r.
* move bswap functions to static inline in byteswap.hRich Felker2011-04-122-16/+0
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* fix broken bswap_32Rich Felker2011-04-121-1/+1
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* remove ugly warning-suppression hack from crypt - this invokes UB!Rich Felker2011-04-111-1/+1
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* fix all implicit conversion between signed/unsigned pointersRich Felker2011-03-251-2/+2
| | | | | | | sadly the C language does not specify any such implicit conversion, so this is not a matter of just fixing warnings (as gcc treats it) but actual errors. i would like to revisit a number of these changes and possibly revise the types used to reduce the number of casts required.
* global cleanup to use the new syscall interfaceRich Felker2011-03-208-20/+8
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* fix compile failure: legacy cuserid needs to define feature testRich Felker2011-02-161-0/+1
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* fix getrlimit handling on 32-bit systems, and ease porting to 64-bitRich Felker2011-02-151-3/+3
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* initial check-in, version 0.5.0 v0.5.0Rich Felker2011-02-1226-0/+3194