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2013-11-28Document libm accuracy goals.Joseph Myers
2013-11-28Document some libm error handling intents.Joseph Myers
2013-11-20Consolidate valloc/pvalloc code.Ondřej Bílka
To make malloc code more maintainable we make malloc and pvalloc share logic with memalign.
2013-11-20Add systemtap probe markers for sin, cos, asin and acosSiddhesh Poyarekar
2013-11-06manual/memory.texi: Remove register keyword from examples.Will Newton
The register keyword doesn't add any information to the examples and is not useful for modern compilers. ChangeLog: 2013-11-06 Will Newton <will.newton@linaro.org> * manual/memory.texi (Malloc Examples): Remove register keyword from examples.
2013-11-01Fix description of random according to POSIX. Fixes bug 7003Bruno Haible
2013-10-30rename configure.in to configure.acMike Frysinger
Autoconf has been deprecating configure.in for quite a long time. Rename all our configure.in and preconfigure.in files to .ac. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2013-10-25Fix gethostbyname_r example. Fixes bug 2801.Ondřej Bílka
2013-10-25Acknowledge that fnmatch can fail. Fixes bug 14029.Ondřej Bílka
2013-10-25Document that mmap() returns MAP_FAILED on error, as per the POSIX standard.Fabrice Bauzac
2013-10-19Mention FIPS 140-2 compliance and Sun RPC.Carlos O'Donell
The Secure RPC implementation in glibc uses DES encryption during authentication of the user. This use of DES means that anyone using Sun RPC will likely not be compliant with FIPS 140-2 which forbids the use of DES. One solution to the compliance issue is to disable AUTH_DES and AUTH_KERB, both use DES, when in FIPS compliance mode. This is not a good idea because it disables all of the even mildly secure methods of authentication allowing only plain text methods. Instead we leave AUTH_DES and AUTH_KERB enabled in FIPS compliance mode and document the compliance issue in the manual. FIPS allows this, that is to say that if you can't fix it you must document the non-compliance. This commit adds documentation to that effect in the "DES encryption and password handling" section of the manual.
2013-10-11Add systemtap markers to math function slow pathsSiddhesh Poyarekar
Add systemtap probes to various slow paths in libm so that application developers may use systemtap to find out if their applications are hitting these slow paths. We have added probes for pow, exp, log, tan, atan and atan2.
2013-10-08Update gethostbyname2_r documentation. Fixes bug #156.Yogesh Chaudhari
2013-10-04Fix typo in manualSiddhesh Poyarekar
2013-10-03BZ #431 Fix manual of strncat/wcsncat.Ondřej Bílka
2013-09-28Revert "Remove references to non-existent content items in install.texi"Allan McRae
This reverts commit 583c76a7ce305d24e0625a22caed317b3e001d91 which breaks building info pages during "make install". Conflicts: ChangeLog
2013-09-27Remove references to non-existent content items in install.texiAllan McRae
These were left in when the installation section was split out into its own file.
2013-09-24Update to canonical freemanuals.texi file.Roland McGrath
2013-09-23manual: Fix a typo in `POSIX Threads' sectionMaciej W. Rozycki
2013-09-20Add malloc probes for sbrk and heap resizing.Alexandre Oliva
for ChangeLog * malloc/arena.c (new_heap): New memory_heap_new probe. (grow_heap): New memory_heap_more probe. (shrink_heap): New memory_heap_less probe. (heap_trim): New memory_heap_free probe. * malloc/malloc.c (sysmalloc): New memory_sbrk_more probe. (systrim): New memory_sbrk_less probe. * manual/probes.texi: Document them.
2013-09-20Add catch-all alloc retry probe.Alexandre Oliva
for ChangeLog * malloc/arena.c (arena_get_retry): Add memory_arena_retry probe. * manual/probes.texi: Document it.
2013-09-20Add probes for malloc retries.Alexandre Oliva
for ChangeLog * malloc/malloc.c (__libc_malloc): Add memory_malloc_retry probe. (__libc_realloc): Add memory_realloc_retry probe. (__libc_memalign): Add memory_memalign_retry probe. (__libc_valloc): Add memory_valloc_retry probe. (__libc_pvalloc): Add memory_pvalloc_retry probe. (__libc_calloc): Add memory_calloc_retry probe. * manual/probes.texi: Document them.
2013-09-20Add probes for malloc arena changes.Alexandre Oliva
for ChangeLog * malloc/arena.c (get_free_list): Add probe memory_arena_reuse_free_list. (reused_arena) [PER_THREAD]: Add probes memory_arena_reuse_wait and memory_arena_reuse. (arena_get2) [!PER_THREAD]: Likewise. * malloc/malloc.c (__libc_realloc) [!PER_THREAD]: Add probe memory_arena_reuse_realloc. * manual/probes.texi: Document them.
2013-09-20Add probes for all changes to malloc options.Alexandre Oliva
for ChangeLog * malloc/malloc.c (__libc_free): Add memory_mallopt_free_dyn_thresholds probe. (__libc_mallopt): Add multiple memory_mallopt probes. * manual/probes.texi: Document them.
2013-09-20Add first set of memory probes.Alexandre Oliva
for ChangeLog * malloc/malloc.c: Include stap-probe.h. (__libc_mallopt): Add memory_mallopt probe. * malloc/arena.c (_int_new_arena): Add memory_arena_new probe. * manual/probes.texi: New. * manual/Makefile (chapters): Add probes. * manual/threads.texi: Set next node.
2013-09-10Clarify documentation cross-referenceAllan McRae
The end of the "Parsing of Floats" subsection currently reads: The GNU C Library also provides '_l' versions of these functions, which take an additional argument, the locale to use in conversion. *Note Parsing of Integers::. Split the final note as it is unrelated to the above comment and reference it with "See also" instead.
2013-09-10Update pt_chown sections of the manualAllan McRae
The pt-chown binary is discussed in the "Running make install" section without clarification of the needed configure option. Clarify this and simplfy the discription which is already covered in the "Configuring and compiling" section.
2013-09-09Fix typo in strcoll exampleAllan McRae
2013-09-04Remove --disable-versioning.Joseph Myers
2013-08-30Fix then/than typos.Ondřej Bílka
2013-08-16CVE-2013-4237, BZ #14699: Buffer overflow in readdir_rFlorian Weimer
* sysdeps/posix/dirstream.h (struct __dirstream): Add errcode member. * sysdeps/posix/opendir.c (__alloc_dir): Initialize errcode member. * sysdeps/posix/rewinddir.c (rewinddir): Reset errcode member. * sysdeps/posix/readdir_r.c (__READDIR_R): Enforce NAME_MAX limit. Return delayed error code. Remove GETDENTS_64BIT_ALIGNED conditional. * sysdeps/unix/sysv/linux/wordsize-64/readdir_r.c: Do not define GETDENTS_64BIT_ALIGNED. * sysdeps/unix/sysv/linux/i386/readdir64_r.c: Likewise. * manual/filesys.texi (Reading/Closing Directory): Document ENAMETOOLONG return value of readdir_r. Recommend readdir more strongly. * manual/conf.texi (Limits for Files): Add portability note to NAME_MAX, PATH_MAX. (Pathconf): Add portability note for _PC_NAME_MAX, _PC_PATH_MAX.
2013-08-01Update manual/contrib.texiDavid S. Miller
* manual/contrib.texi: Update entry for Siddhesh Poyarekar. Add entries for Will Newton, Andi Kleen, David Holsgrove, and Ondrej Bilka.
2013-07-21CVE-2013-2207, BZ #15755: Disable pt_chown.Carlos O'Donell
The helper binary pt_chown tricked into granting access to another user's pseudo-terminal. Pre-conditions for the attack: * Attacker with local user account * Kernel with FUSE support * "user_allow_other" in /etc/fuse.conf * Victim with allocated slave in /dev/pts Using the setuid installed pt_chown and a weak check on whether a file descriptor is a tty, an attacker could fake a pty check using FUSE and trick pt_chown to grant ownership of a pty descriptor that the current user does not own. It cannot access /dev/pts/ptmx however. In most modern distributions pt_chown is not needed because devpts is enabled by default. The fix for this CVE is to disable building and using pt_chown by default. We still provide a configure option to enable hte use of pt_chown but distributions do so at their own risk.
2013-07-02Add a configure option to enable lock elision and disable by defaultAndi Kleen
Can be enabled with --enable-lock-elision=yes at configure time.
2013-06-26Require GCC 4.4 or later to build glibc.Joseph Myers
2013-06-25Update texinfo.tex.Joseph Myers
2013-06-17Sort sysd-rules-patterns by descending pattern length.Roland McGrath
2013-06-15Add documentation for default pthread attribute functionsSiddhesh Poyarekar
2013-06-05Remove trailing whitespace.Joseph Myers
2013-05-30 [BZ #14256]Jeff Law
* manual/errno.texi (ESTALE): Update to account for more than just NFS file systems. * sysdeps/gnu/errlist.c: Regenerated.
2013-05-28Doc fix for 'frexp' in arith.texiBen Norht
It is the magnitude of the return value which lies in [0.5, 1), not the return value itself. --- 2013-05-28 Ben North <ben@redfrontdoor.org> * manual/arith.texi (frexp): It is the magnitude of the return value which lies in [0.5, 1), not the return value itself.
2013-05-26 * manual/platform.texi: Add missing @end deftypefun.Thomas Schwinge
Fixup for commit d116b7c414c8239b677e341ac517745db689ac2d.
2013-05-24PowerPC: Program Priority Register supportAdhemerval Zanella
This patch add inline functions to change the Program Priority Register from ISA 2.05.
2013-05-23PowerPC: Add functions for shared resources hints.Edjunior Machado
2013-05-07manual/message.texi: Fix english and clarify.Carlos O'Donell
Rewrite the first paragraph to talk about users not humans, and to use correct English. Clarify that it is the mapping of messages to IDs that impacts the design of the message translation API. --- 2013-05-07 Carlos O'Donell <carlos@redhat.com> * manual/message.texi (Message Translation): Talk about users. Message to key mapping impacts design.
2013-04-12BZ#15361: Make aio_fsync not check open modes.Roland McGrath
2013-04-02New <math.h> macro named issignaling to check for a signaling NaN (sNaN).Thomas Schwinge
It is based on draft TS 18661 and currently enabled as a GNU extension.
2013-03-24Fix docs for scalbn* and scalbl* functionsMark H Weaver
* manual/arith.texi (Normalization Functions): Fix prototypes for scalbn, scalbnf, scalbnl, scalbln, scalblnf, and scalblnl.
2013-03-19Rename nptl.texi to threads.texiSiddhesh Poyarekar
The manual and its file names are about interfaces and not the implementation details.
2013-03-17manual: Sort mallopt M_* parameters alphabeticallyCarlos O'Donell
Sort the mallopt M_* parameters alphabetically and add comments for the missing paramters.
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