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2014-01-02Reformat malloc to gnu style.Ondřej Bílka
2014-01-02Fix return code from getent netgroup when the netgroup is not found (bz #16366)Siddhesh Poyarekar
nscd incorrectly returns a success even when the netgroup in question is not found and adds a positive result in the cache. this patch fixes this behaviour by adding a negative lookup entry to cache and returning an error when the netgroup is not found.
2014-01-02Fix infinite loop in nscd when netgroup is empty (bz #16365)Siddhesh Poyarekar
Currently, when a user looks up a netgroup that does not have any members, nscd goes into an infinite loop trying to find members in the group. This is because it does not handle cases when getnetgrent returns an NSS_STATUS_NOTFOUND (which is what it does on empty group). Fixed to handle this in the same way as NSS_STATUS_RETURN, similar to what getgrent does by itself.
2014-01-01[AArch64] Regenerate libm-test-ulps.Marcus Shawcroft
2014-01-01[AArch64] Define ABORT_INSTRUCTION.Marcus Shawcroft
2014-01-01[AArch64] Pointer mangling support for AArch64.Venkataramanan Kumar
2014-01-01Regenerate ARM ulps.Joseph Myers
2014-01-01Regenerate MIPS ulps.Joseph Myers
2014-01-01Regenerate x86 / x86_64 ulps.Joseph Myers
2014-01-01scripts/update-copyrights: adjust configure input file suffixAllan McRae
2014-01-01Update remaining copyright datesAllan McRae
Update copyright years that are not handled by scripts/update-copyright.
2014-01-01Update copyright notices with scripts/update-copyrightsAllan McRae
2013-12-31NEWS: mention 16379 as fixedMike Frysinger
Reported-by: Joseph S. Myers <joseph@codesourcery.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2013-12-31tst-fanotify: check for linux/fanotify.h existenceMike Frysinger
We support older kernels that lack this header, so check for it before we try to use it. Reported-by: Adhemerval Zanella <azanella@linux.vnet.ibm.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2013-12-31Benchmark inputs for cos and sinSiddhesh Poyarekar
Add a comprehensive number of inputs for all branches in sin and cos computation, excluding the fast paths. This also adds a number of inputs for the multiple precision slow paths.
2013-12-31benchmark inputs for atanSiddhesh Poyarekar
Add a more comprehensive set of inputs for the atan function. I have also fixed the name on the multiple precision fallback inputs (I couldn't find any new inputs there) to reflect the fact that the fallback is only 144bits and not 768bits as I had earlier mentioned.
2013-12-31benchmark inputs for tanh and atanhSiddhesh Poyarekar
2013-12-31benchmark inputs for asinh and acoshSiddhesh Poyarekar
Like sinh and cosh, this patch has benchmark inputs for asinh and acosh, generated using a random number generator and spread over significant branches, ignoring the fast return paths.
2013-12-31benchmark inputs for sinh and coshSiddhesh Poyarekar
Add a full set of inputs for sinh and cosh functions generated using a random number generator and spreading it over all branches in the function, ignoring the fast paths (i.e. immediate return for special values).
2013-12-31benchmark inputs for asin and acosSiddhesh Poyarekar
Add a comprehensive set of inputs for asin and acos functions, including the multiple precision fallback path.
2013-12-30ia64: longjmp_chk: support signal stacks [BZ #16372]Mike Frysinger
The sp check has to be moved up to the start of the func since it now makes a system call and that'll clobber a lot of registers. URL: https://sourceware.org/bugzilla/show_bug.cgi?id=16372 Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2013-12-30ia64: setjmp/longjmp: stop saving/restoring fpsr [BZ #16379]Mike Frysinger
The new tst-setjmp-fp test has been failing on IA64 because the setjmp and longjmp helpers take care of saving/restoring the fpsr register. Per the C standards, this is incorrect, so disable that logic. URL: https://sourceware.org/bugzilla/show_bug.cgi?id=16379 Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2013-12-30Fix ChangeLogOndřej Bílka
2013-12-30Fix spelling in manual, as in bug 16376Ville Skytta
2013-12-30ia64: setjmp: use HIDDEN_JUMPTARGETMike Frysinger
Rather than opencode the __GI_xxx logic, use proper hidden helpers. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2013-12-29ia64: syscall: add some helpful documentationMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2013-12-27Add Solvenian translations for glibc messages.Carlos O'Donell
2013-12-27ignore gdb related filesMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2013-12-27Fix typo in csloww()Allan McRae
An incorrect variable name was used during the refactoring done in commit 4aafb73c.
2013-12-26Add lang_name to various locales.Chris Leonard
2013-12-25ia64: implement futex requeue pi supportMike Frysinger
Used the s390 code as a guideline until all tests pass. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2013-12-25ia64: add lll_futex_timed_wait_bitsetMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2013-12-24ia64: ioperm: clean up long dead codeMike Frysinger
This file has a few #if 0 code paths which cause a build time warning: ports/sysdeps/unix/sysv/linux/ia64/ioperm.c:66:7: warning: variable 'prot' set but not used [-Wunused-but-set-variable] Rather than add more #if 0 around that variable, just delete the code altogether. Not like it's going to ever be implemented. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2013-12-24ia64: implement sotruss supportMike Frysinger
Tested with: $ cat test.c main(){close(0x1024, 2, 3);} $ gcc test.c $ sotruss -e ./a.out a.out -> libc.so.6.1 : __libc_start_main(0x4000000000000950, 0x1, 0x60000fffffb56bc8) a.out -> libc.so.6.1 : close(0x1024, 0x2, 0x3) a.out -> libc.so.6.1 : close - 0xffffffffffffffff Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2013-12-24ia64: link.h: adjust whitespaceMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2013-12-23Define __CORRECT_ISO_CPP_STRING_H_PROTO correctly for Clang.Brooks Moses
In the string/string.h and string/strings.h headers, we have a couple of macros that "tell the caller that we provide correct C++ prototypes" according to the comment; they are used to determine whether to wrap some prototypes in "extern "C++"" (and provide multiple overloads of them, and some other magic) when __cplusplus is defined. The macros are set to check for sufficiently-recent GCC versions (4.4 and later), but this is not the right check for non-GCC compilers. In particular, these macros should also be set when using Clang -- if they are not set, then Clang will be unable to correctly diagnose a number of subtle bugs that will be errors in GCC compilations. As per discussion on earlier versions of this patch, rather than restrict the fix to Clang per se, we assume that all C++ compilers that claim to fully support C++98 are using a standard-conforming C++ standard library, which seems pretty reasonable. Clang has been providing an appropriate value of __cplusplus since May 2012.
2013-12-24Restore accidentally deleted bug-fix entries in NEWS.Maxim Kuvyrkov
* NEWS: Restore accidentally deleted bug-fix entries.
2013-12-24Fix race in free() of fastbin chunk: BZ #15073Maxim Kuvyrkov
Perform sanity check only if we have_lock. Due to lockless nature of fastbins we need to be careful derefencing pointers to fastbin entries (chunksize(old) in this case) in multithreaded environments. The fix is to add have_lock to the if-condition checks. The rest of the patch only makes code more readable. * malloc/malloc.c (_int_free): Perform sanity check only if we have_lock.
2013-12-23Add Changelog and news entry.Ondřej Bílka
2013-12-23Clarify that scanf does not use character classes. Fixes bug 12986Ondřej Bílka
Update documentation to say that scanf ("%[[:alpha:]]", c) does not read alphabetic characters but is parsed literarily.
2013-12-23Update powerpc-fpu ULPs.Adhemerval Zanella
2013-12-22Fix ldbl-128 lgammal for small negative arguments (bug 16337).Joseph Myers
This patch fixes bug 16337, ldbl-128 lgammal spurious overflows for small negative arguments (the arguments in question are already in the testsuite). The implementation uses the reflection formula to compute lgamma of negative x from lgamma of -x, effectively resulting in a calculation -log(x^2) + log(-x); cancellation isn't problematic in this case (bugs for problematic cancellation in lgamma are 2542, 2543, 2558), but the x^2 calculation can underflow (in which case there is spurious logic to return an overflowing value - lgamma can only ever correctly overflow for large positive arguments, though tgamma can overflow for small arguments of either sign as well as large positive arguments). The fix is simply to calculate the result directly with logl when the argument is a small enough negative number. Tested mips64. * sysdeps/ieee754/ldbl-128/e_lgammal_r.c (__ieee754_lgammal_r): Calculate results for small negative arguments directly rather than using reflection formula with special underflow handling.
2013-12-22Flatten sysdeps/unix/bsd/bsd4.4 into sysdeps/unix/bsd.Joseph Myers
As discussed in <https://sourceware.org/ml/libc-alpha/2012-04/msg00840.html> and <https://sourceware.org/ml/libc-alpha/2012-04/msg00989.html>, it seems appropriate to flatten sysdeps/unix/bsd/bsd4.4 into sysdeps/unix/bsd. The bulk of the patch is just moving files. The only other changes are: update paths in sysdeps/mach/hurd/Implies and sysdeps/unix/sysv/linux/wait3.c; merge the two syscalls.list files, with the removal of syscalls that were in sysdeps/unix/bsd/syscalls.list but overridden in the bsd4.4 directory by .c files there. Tested x86_64. The installed shared libraries are identical before and after the patch except for libc.so where the move of wait3.c (included by sysdeps/unix/sysv/linux/wait3.c) affects debug info, but the disassembly is unchanged. * sysdeps/mach/hurd/Implies: Change unix/bsd/bsd4.4 to unix/bsd. * sysdeps/unix/bsd/syscalls.list (chflags): Add entry from sysdeps/unix/bsd/bsd4.4/syscalls.list. (fchflags): Likewise. (revoke): Likewise. (setlogin): Likewise. (sigaltstack): Likewise. (wait4): Likewise. (sigblock): Remove. (sigsetmask): Likewise. (wait3): Likewise. (waitpid): Likewise. * sysdeps/unix/bsd/bsd4.4/syscalls.list: Remove file. * sysdeps/unix/sysv/linux/wait3.c: Update directory of included file. * sysdeps/unix/bsd/bsd4.4/Makefile: Move to ... * sysdeps/unix/bsd/Makefile: ... here. * sysdeps/unix/bsd/bsd4.4/Versions: Move to ... * sysdeps/unix/bsd/Versions: ... here. * sysdeps/unix/bsd/bsd4.4/bits/sockaddr.h: Move to ... * sysdeps/unix/bsd/bits/sockaddr.h: ... here. * sysdeps/unix/bsd/bsd4.4/cmsg_nxthdr.c: Move to ... * sysdeps/unix/bsd/cmsg_nxthdr.c: ... here. * sysdeps/unix/bsd/bsd4.4/sigblock.c: Move to ... * sysdeps/unix/bsd/sigblock.c: ... here. * sysdeps/unix/bsd/bsd4.4/sigsetmask.c: Move to ... * sysdeps/unix/bsd/sigsetmask.c: ... here. * sysdeps/unix/bsd/bsd4.4/sigvec.c: Move to ... * sysdeps/unix/bsd/sigvec.c: ... here. * sysdeps/unix/bsd/bsd4.4/tcdrain.c: Move to ... * sysdeps/unix/bsd/tcdrain.c: ... here. * sysdeps/unix/bsd/bsd4.4/tcgetattr.c: Move to ... * sysdeps/unix/bsd/tcgetattr.c: ... here. * sysdeps/unix/bsd/bsd4.4/tcsetattr.c: Move to ... * sysdeps/unix/bsd/tcsetattr.c: ... here. * sysdeps/unix/bsd/bsd4.4/wait.c: Move to ... * sysdeps/unix/bsd/wait.c: ... here. * sysdeps/unix/bsd/bsd4.4/wait3.c: Move to ... * sysdeps/unix/bsd/wait3.c: ... here. * sysdeps/unix/bsd/bsd4.4/waitpid.c: Move to ... * sysdeps/unix/bsd/waitpid.c: ... here.
2013-12-21Fix x86 / x86_64 expl / expl10l wild results in directed rounding modes (bug ↵Joseph Myers
16356). This patch fixes bug 16356, bad results from x86 / x86_64 expl / exp10l in directed rounding modes, the most serious of the bugs shown up by my patch expanding libm test coverage. When I fixed bug 16293, I thought it was only necessary to set round-to-nearest when using frndint in expm1 functions, because in other cases the cancellation error from having the resulting fractional part close to 1 or -1 would not be significant. However, in expl and exp10l, the way the final fractional part gets computed (something more complicated than a simple subtraction, because more precision is needed than you'd get that way) can result in a value outside the range [-1, 1] when the argument to frndint was very close to an integer and was rounded the "wrong" way because of the rounding mode - and the f2xm1 instruction has undefined results if its argument is outside [-1, 1], so resulting in the large errors seen. So this patch removes the USE_AS_EXPM1L conditionals on the round-to-nearest settings, so all of expl, expm1l and exp10l now get round-to-nearest used for frndint (meaning the final fractional part can at most be slightly above 0.5 in magnitude). Associated tests of exp and exp10 are added and testing of exp10 in directed rounding modes enabled. Tested x86_64 and x86 and ulps updated accordingly. * sysdeps/i386/fpu/e_expl.S (IEEE754_EXPL): Also set round-to-nearest for [!USE_AS_EXPM1L]. * sysdeps/x86_64/fpu/e_expl.S (IEEE754_EXPL): Likewise. * math/auto-libm-test-in: Do not expect cosh tests to fail. Add more tests of exp and exp10. Expect some exp10 tests to miss exceptions or fail in directed rounding modes. * math/auto-libm-test-out: Regenerated. * math/libm-test.inc (exp10_tonearest_test_data): New array. (exp10_test_tonearest): New function. (exp10_towardzero_test_data): New array. (exp10_test_towardzero): New function. (exp10_downward_test_data): New array. (exp10_test_downward): New function. (exp10_upward_test_data): New array. (exp10_test_upward): New function. (main): Call the new functions. * sysdeps/i386/fpu/libm-test-ulps: Update. * sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
2013-12-20Add more libm-test coverage of [a-c]* real functions.Joseph Myers
Various libm functions have inadequate test coverage in libm-test.inc / auto-libm-test-in - failing to cover all the usual special cases (infinities, NaNs, zero, large and small finite values, subnormals) as well as a reasonable range of ordinary inputs and, where appropriate, inputs close to the thresholds for underflow and overflow. This patch improves test coverage for real functions [a-c]* (with the expectation of adding more coverage for other functions later). Tested x86_64 and x86 and ulps updated accordingly (and eight glibc bugs and one C11 DR filed for issues found in the process). * math/auto-libm-test-in: Add more tests of acos, acosh, asin, asinh, atan, atan2, atanh, cbrt, cos and cosh. * math/auto-libm-test-out: Regenerated. * math/libm-test.inc (acosh_test_data): Add more tests. (atanh_test_data): Likewise. (ceil_test_data): Likewise. (copysign_test_data): Likewise. * sysdeps/i386/fpu/libm-test-ulps: Update. * sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
2013-12-20fix localedata/ChangeLogChris Leonard
2013-12-20Revert spurious copying of ChangeLog to localedata/ChangeLog.Joseph Myers
2013-12-20Add lang_name to various locales.Chris Leonard
2013-12-20Update timezone code from tzcode 2013i.Joseph Myers
Now we have Paul's support for version-3 tz files checked in, this patch updates all the code we take (unmodified) from tzcode to version 2013i (which includes the support for generating version-3 tz files where necessary). Tested x86_64. * timezone/checktab.awk: Update from tzcode 2013i. * timezone/private.h: Likewise. * timezone/scheck.c: Likewise. * timezone/tzfile.h: Likewise. * timezone/tzselect.ksh: Likewise. * timezone/zdump.c: Likewise. * timezone/zic.c: Likewise.
2013-12-20Move tests of cpow from libm-test.inc to auto-libm-test-in.Joseph Myers
This patch moves tests of cpow to auto-libm-test-in, adding the required support to gen-auto-libm-tests. Tested x86_64 and x86 and ulps updated accordingly. * math/auto-libm-test-in: Add tests of cpow. * math/auto-libm-test-out: Regenerated. * math/libm-test.inc (cpow_test_data): Use AUTO_TESTS_cc_c. * * math/gen-auto-libm-tests.c (func_calc_method): Add value mpc_cc_c. (func_calc_desc): Add mpc_cc_c union field. (test_functions): Add cpow. (special_fill_2pi): New function. (special_real_inputs): Add 2pi. (calc_generic_results): Handle mpc_cc_c. * sysdeps/i386/fpu/libm-test-ulps: Update. * sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
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