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* Declare asctime_r, ctime_r, gmtime_r, localtime_r for C2X.Joseph Myers2019-11-111-4/+4
| | | | | | | | C2X adds the asctime_r, ctime_r, gmtime_r and localtime_r functions. This patch duly adds __GLIBC_USE (ISOC2X) to the conditions under which <time.h> declares them. Tested for x86_64.
* Refactor nanosleep in terms of clock_nanosleepAdhemerval Zanella2019-11-061-1/+1
| | | | | | | | | | | | | The generic version is straightforward. For Hurd, its nanosleep implementation is moved to clock_nanosleep with adjustments from generic unix implementation. The generic clock_nanosleep unix version is also removed since it calls nanosleep. Checked on x86_64-linux-gnu and powerpc64le-linux-gnu. Reviewed-by: Florian Weimer <fweimer@redhat.com>
* nptl: Move nanosleep implementation to libcAdhemerval Zanella2019-11-061-0/+1
| | | | | | | | | Checked on x86_64-linux-gnu and powerpc64le-linux-gnu. I also checked the libpthread.so .gnu.version_d entries for every ABI affected and all of them contains the required versions (including for architectures which exports __nanosleep with a different version). Reviewed-by: Florian Weimer <fweimer@redhat.com>
* Sync time/mktime.c with gnulibPaul Eggert2019-10-311-1/+1
| | | | | This syncs with gnulib commit 9e78024bad107fe786cc3e5e328a475921ea0873. * time/mktime.c: Update URL in comment.
* Make second argument of gettimeofday as 'void *'Zack Weinberg2019-10-302-13/+14
| | | | | | | | | | | | | Also make the public prototype of gettimeofday declare its second argument with type "void *" unconditionally, consistent with POSIX. It is also consistent with POSIX. Checked on x86_64-linux-gnu, i686-linux-gnu, powerpc64le-linux-gnu, powerpc64-linux-gnu, powerpc-linux-gnu, and aarch64-linux-gnu. Co-authored-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> Reviewed-by: Lukasz Majewski <lukma@denx.de>
* Use clock_gettime to implement gettimeofday.Adhemerval Zanella2019-10-301-10/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Consolidate generic gettimeofday implementation to use clock_gettime. Linux ports that still provide gettimeofday through vDSO are not changed. Remove sysdeps/unix/clock_gettime.c, which implemented clock_gettime using gettimeofday; new OS ports must provide a real implementation of clock_gettime. Rename sysdeps/mach/gettimeofday.c to sysdeps/mach/clock_gettime.c and convert into an implementation of clock_gettime. It only supports CLOCK_REALTIME; Mach does not appear to have any support for monotonic clocks. It uses __host_get_time, which provides at best microsecond resolution. Hurd is currently using sysdeps/posix/clock_getres.c for clock_getres; its output for CLOCK_REALTIME is based on sysconf (_SC_CLK_TCK), and I do not know whether that gives the correct result. Unlike settimeofday, there are no known uses of gettimeofday's vestigial "get time zone" feature that are not bugs. (The per-process timezone support in localtime and friends is unrelated, and the programs that set the kernel's offset between the hardware clock and UTC do not need to read it back.) Therefore, this feature is dummied out. Henceforth, if gettimeofday's "struct timezone" argument is not NULL, it will write zeroes to both fields. Any program that is actually looking at this data will thus think it is running in UTC, which is probably more correct than whatever it was doing before. [__]gettimeofday no longer has any internal callers, so we can now remove its internal prototype and PLT bypass aliases. The __gettimeofday@GLIBC_2.0 export remains, in case it is used by any third-party code. It also allows to simplify the arch-specific implementation on x86 and powerpc to remove the hack to disable the internal route to non iFUNC variant for internal symbol. This patch also fixes a missing optimization on aarch64, powerpc, and x86 where the code used on static build do not use the vDSO. Checked on x86_64-linux-gnu, i686-linux-gnu, powerpc64le-linux-gnu, powerpc64-linux-gnu, powerpc-linux-gnu, and aarch64-linux-gnu. Co-authored-by: Zack Weinberg <zackw@panix.com> Reviewed-by: Lukasz Majewski <lukma@denx.de>
* Use clock_gettime to implement timespec_get.Zack Weinberg2019-10-301-10/+4
| | | | | | | | | | | | | | | | | | | | | timespec_get is the same function as clock_gettime, with an obnoxious coating of NIH painted on it by the ISO C committee. In addition to the rename, it takes its arguments in a different order, it returns 0 on *failure* or a positive number on *success*, and it requires that all of its TIME_* constants be positive. This last means we cannot directly reuse the existing CLOCK_* constants for it, because those have been allocated starting with CLOCK_REALTIME = 0 on all existing platforms. This patch simply promotes the sysdeps/posix implementation to universal, and removes the Linux-specific implementation, whose apparent reason for existing was to cut out one function call's worth of overhead. Checked on x86_64-linux-gnu, i686-linux-gnu, powerpc64le-linux-gnu, powerpc64-linux-gnu, powerpc-linux-gnu, and aarch64-linux-gnu. Reviewed-by: Lukasz Majewski <lukma@denx.de>
* Consolidate and deprecate ftimeZack Weinberg2019-10-303-18/+18
| | | | | | | | | | | | | | | | | | | | | | | | | ftime is an obsolete variation on gettimeofday, offering only millisecond time resolution; it was probably a system call in ooold versions of BSD Unix. For historic reasons, we had three implementations of it. These are all consolidated into time/ftime.c, and then the function is deprecated. For some reason, the implementation of ftime in terms of gettimeofday was rounding rather than truncating microseconds to milliseconds. In all the other places where we use a higher-resolution time function to implement a lower-resolution one, we truncate. ftime is changed to match, just for tidiness' sake. Like gettimeofday, ftime tries to report the time zone, and using that information is always a bug. This patch dummies out the reported timezone information; the timezone and dstflag fields of the returned "struct timeb" will always be zero. Checked on x86_64-linux-gnu, i686-linux-gnu, powerpc64le-linux-gnu, powerpc64-linux-gnu, and powerpc-linux-gnu. Co-authored-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> Reviewed-by: Lukasz Majewski <lukma@denx.de>
* Change most internal uses of time to __clock_gettime.Adhemerval Zanella2019-10-302-2/+1
| | | | | | | | | | | | | | | | | As for gettimeofday, time will be implemented based on clock_gettime on all platforms and internal code should use clock_gettime directly. In addition to removing a layer of indirection, this will allow us to remove the PLT-bypass gunk for gettimeofday. The changed code always assumes __clock_gettime (CLOCK_REALTIME) or __clock_gettime (CLOCK_REALTIME_COARSE) (for Linux case) cannot fail, using the same rationale for gettimeofday change. And internal helper was added (time_now). Checked on x86_64-linux-gnu, i686-linux-gnu, powerpc64le-linux-gnu, powerpc64-linux-gnu, and powerpc-linux-gnu. Reviewed-by: Lukasz Majewski <lukma@denx.de>
* Use clock_gettime to implement time.Adhemerval Zanella2019-10-301-7/+6
| | | | | | | | | | | | | | | | | Change the default implementation of time to call clock_gettime, to align with new Linux ports that are expected to only implement __NR_clock_gettime. Arch-specific implementation that either call the time vDSO or route to gettimeofday vDSO are not removed. Also for Linux, CLOCK_REALTIME_COARSE is used instead of generic CLOCK_REALTIME clockid. This takes less CPU time and its behavior better matches what the current glibc does. Checked on x86_64-linux-gnu, i686-linux-gnu, powerpc64le-linux-gnu, powerpc64-linux-gnu, powerpc-linux-gnu, and aarch64-linux-gnu. Co-authored-by: Zack Weinberg <zackw@panix.com> Reviewed-by: Lukasz Majewski <lukma@denx.de>
* Use clock_settime to implement settimeofday.Zack Weinberg2019-10-303-8/+52
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Unconditionally, on all ports, use clock_settime to implement settimeofday. Remove sysdeps/unix/clock_settime.c, which implemented clock_settime by calling settimeofday; new OS ports must henceforth provide a real implementation of clock_settime. Hurd had a real implementation of settimeofday but not of clock_settime; this patch converts it into an implementation of clock_settime. It only supports CLOCK_REALTIME and microsecond resolution; Hurd/Mach does not appear to have any support for finer-resolution clocks. The vestigial "set time zone" feature of settimeofday complicates the generic settimeofday implementation a little. The only remaining uses of this feature that aren't just bugs, are using it to inform the Linux kernel of the offset between the hardware clock and UTC, on systems where the hardware clock doesn't run in UTC (usually because of dual-booting with Windows). There currently isn't any other way to do this. However, the callers that do this call settimeofday with _only_ the timezone argument non-NULL. Therefore, glibc's new behavior is: callers of settimeofday must supply one and only one of the two arguments. If both arguments are non-NULL, or both arguments are NULL, the call fails and sets errno to EINVAL. When only the timeval argument is supplied, settimeofday calls __clock_settime(CLOCK_REALTIME), same as stime. When only the timezone argument is supplied, settimeofday calls a new internal function called __settimezone. On Linux, only, this function will pass the timezone structure to the settimeofday system call. On all other operating systems, and on Linux architectures that don't define __NR_settimeofday, __settimezone is a stub that always sets errno to ENOSYS and returns -1. The settimeoday syscall is enabled on Linux by the flag COMPAT_32BIT_TIME, which is an option to either 32-bits ABIs or COMPAT builds (defined usually by 64-bit kernels that want to support 32-bit ABIs, such as x86). The idea to future 64-bit time_t only ABIs is to not provide settimeofday syscall. The same semantics are implemented for Linux/Alpha's GLIBC_2.0 compat symbol for settimeofday. There are no longer any internal callers of __settimeofday, so the internal prototype is removed. Checked on x86_64-linux-gnu, i686-linux-gnu, powerpc64le-linux-gnu, powerpc64-linux-gnu, powerpc-linux-gnu, and aarch64-linux-gnu. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> Reviewed-by: Lukasz Majewski <lukma@denx.de>
* Use clock_settime to implement stime; withdraw stime.Zack Weinberg2019-10-302-18/+13
| | | | | | | | | | | | Unconditionally, on all ports, use clock_settime to implement stime, not settimeofday or a direct syscall. Then convert stime into a compatibility symbol and remove its prototype from time.h. Checked on x86_64-linux-gnu, i686-linux-gnu, powerpc64le-linux-gnu, powerpc64-linux-gnu, powerpc-linux-gnu, and aarch64-linux-gnu. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> Reviewed-by: Lukasz Majewski <lukma@denx.de>
* time: Introduce function to check correctness of nanoseconds valueLukasz Majewski2019-10-271-2/+1
| | | | | | | | | | | | | | | The valid_nanoseconds () static inline function has been introduced to check if nanoseconds value is in the correct range - greater or equal to zero and less than 1000000000. The explicit #include <time.h> has been added to files where it was missing. The __syscall_slong_t type for ns has been used to avoid issues on x32. Tested with: - scripts/build-many-glibcs.py - make PARALLELMFLAGS="-j12" && make PARALLELMFLAGS="-j12" xcheck on x86_64
* Make tst-strftime2 and tst-strftime3 depend on locale generationGabriel F. T. Gomes2019-10-081-0/+2
| | | | | | | | | | | | Building the test cases in parallel might make tst-strftime2 and tst-strftime3 fail. Simply re-running the test case (or building serially) makes the problem go away. This patch adds the necessary dependency to allow parallel builds in the time subdirectory. Tested for powerpc64le. Reviewed-by: Florian Weimer <fweimer@redhat.com> Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
* time: Add padding for the timespec if requiredAlistair Francis2019-10-011-0/+13
| | | | | | | | | If we are running on a 32-bit system with a 64-bit time_t we need to ensure there is padding around the tv_nsec variable. This is requried as the timespec is #defined to the __timespec64 struct. * time/bits/types/struct_timespec.h: Add padding for the timespec if required.
* Set the expects flags to clock_nanosleepAdhemerval Zanella2019-09-251-0/+1
| | | | | | | | | | It moves the missing CFLAGS from rt/Makefile to time/Makefile missing from 7b5af2d8f2a2b (Finish move of clock_* functions to libc. [BZ #24959]). Checked on powerpc64le-linux-gnu. * rt/Makefile (CFLAGS-clock_nanosleep.c): Move to ... * time/Makefile (CFLAGS-clock_nanosleep.c): ... here.
* Prefer https to http for gnu.org and fsf.org URLsPaul Eggert2019-09-0752-52/+52
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Also, change sources.redhat.com to sourceware.org. This patch was automatically generated by running the following shell script, which uses GNU sed, and which avoids modifying files imported from upstream: sed -ri ' s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g ' \ $(find $(git ls-files) -prune -type f \ ! -name '*.po' \ ! -name 'ChangeLog*' \ ! -path COPYING ! -path COPYING.LIB \ ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \ ! -path manual/texinfo.tex ! -path scripts/config.guess \ ! -path scripts/config.sub ! -path scripts/install-sh \ ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \ ! -path INSTALL ! -path locale/programs/charmap-kw.h \ ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \ ! '(' -name configure \ -execdir test -f configure.ac -o -f configure.in ';' ')' \ ! '(' -name preconfigure \ -execdir test -f preconfigure.ac ';' ')' \ -print) and then by running 'make dist-prepare' to regenerate files built from the altered files, and then executing the following to cleanup: chmod a+x sysdeps/unix/sysv/linux/riscv/configure # Omit irrelevant whitespace and comment-only changes, # perhaps from a slightly-different Autoconf version. git checkout -f \ sysdeps/csky/configure \ sysdeps/hppa/configure \ sysdeps/riscv/configure \ sysdeps/unix/sysv/linux/csky/configure # Omit changes that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines git checkout -f \ sysdeps/powerpc/powerpc64/ppc-mcount.S \ sysdeps/unix/sysv/linux/s390/s390-64/syscall.S # Omit change that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
* Finish move of clock_* functions to libc. [BZ #24959]Zack Weinberg2019-09-0411-2/+772
| | | | | | | | | | | | | | | | In glibc 2.17, the functions clock_getcpuclockid, clock_getres, clock_gettime, clock_nanosleep, and clock_settime were moved from librt.so to libc.so, leaving compatibility stubs behind. Now that the dynamic linker no longer insists on finding versioned symbols in the same library that originally defined them, we do not need the stubs anymore, and this means we don't need GLIBC_PRIVATE __-prefix aliases for most of the functions anymore either. (clock_gettime still needs one.) For ports added before 2.17, libc.so needs to provide two symbol versions for each, the default at GLIBC_2.17 plus a compat version matching what librt had. While I'm at it, move the clock_*.c files and their tests from rt/ to time/.
* Don't use the argument to time.Zack Weinberg2019-08-212-2/+2
| | | | | | | | | | | | | | | | | | | It doesn't make sense to remove all the internal uses of time. It's still a standard ISO C function, and its callers don't need sub-second resolution and would be unnecessarily complicated if they had to declare a struct timespec instead of just a time_t. However, a handful of places were using the vestigial "result" argument instead of the return value, which is slightly less efficient and also looks strange. Correct this. * misc/syslog.c (__vsyslog_internal) * time/getdate.c (__getdate_r) * time/tst_wcsftime.c (main): Use return value of time, not its argument. * string/strfry.c (strfry) * sysdeps/mach/sleep.c (__sleep): Remove unnecessary casts of NULL in calls to time.
* Make mktime etc. compatible with __time64_tPaul Eggert2019-04-303-32/+150
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Keep these functions compatible with Gnulib while adding __time64_t support. The basic idea is to move private API declarations from include/time.h to time/mktime-internal.h, since the former file cannot easily be shared with Gnulib whereas the latter can. Also, do some other minor cleanup while in the neighborhood. * include/time.h: Include stdbool.h, time/mktime-internal.h. (__mktime_internal): Move this prototype to time/mktime-internal.h, since Gnulib needs it. (__localtime64_r, __gmtime64_r) [__TIMESIZE == 64]: Move these macros to time/mktime-internal.h, since Gnulib needs them. (__mktime64, __timegm64) [__TIMESIZE != 64]: New prototypes. (in_time_t_range): New static function. * posix/bits/types.h (__time64_t) [__TIMESIZE == 64 && !defined __LIBC]: Do not define as a macro in this case, so that portable code is less tempted to use __time64_t. * time/mktime-internal.h: Rewrite so that it does both glibc and Gnulib work. Include time.h if not _LIBC. (mktime_offset_t) [!_LIBC]: Define for gnulib. (__time64_t, __gmtime64_r, __localtime64_r, __mktime64, __timegm64) [!_LIBC || __TIMESIZE == 64]: New macros, mostly moved here from include/time.h. (__gmtime_r, __localtime_r, __mktime_internal) [!_LIBC]: New macros, taken from GNulib. (__mktime_internal): New prototype, moved here from include/time.h. * time/mktime.c (mktime_min, mktime_max, convert_time) (ranged_convert, __mktime_internal, __mktime64): * time/timegm.c (__timegm64): Use __time64_t, not time_t. * time/mktime.c: Stop worrying about whether time_t is floating-point. (__mktime64) [! (_LIBC && __TIMESIZE != 64)]: Rename from mktime. (mktime) [_LIBC && __TIMESIZE != 64]: New function. * time/timegm.c [!_LIBC]: Include libc-config.h, not config.h, for libc_hidden_def. Include errno.h. (__timegm64) [! (_LIBC && __TIMESIZE != 64)]: Rename from timegm. (timegm) [_LIBC && __TIMESIZE != 64]: New function. First cut at publicizing __time64_t
* time/tst-strftime3.c: Disable snprintf warning.DJ Delorie2019-04-031-0/+10
| | | | | | | snprintf will only truncate the output if the data its given is corrupted, but a truncated buffer will not match the "pristine" data's buffer, which is all we need. So just disable the warning via the DIAG macros.
* Add Reiwa era tests to time/tst-strftime3.cDJ Delorie2019-04-021-1/+57
| | | | Also fix printf warning
* ja_JP locale: Add entry for the new Japanese era [BZ #22964]TAMUKI Shoichi2019-04-021-5/+8
| | | | | | | | | | | | | | | | | | | | The Japanese era name will be changed on May 1, 2019. The Japanese government made a preliminary announcement on April 1, 2019. The glibc ja_JP locale must be updated to include the new era name for strftime's alternative year format support. Checked on x86_64-linux-gnu. Reviewed-by: Carlos O'Donell <carlos@redhat.com> ChangeLog: [BZ #22964] * localedata/locales/ja_JP (LC_TIME): Add entry for the new Japanese era. * time/tst-strftime2.c (dates): Add 2019-04-30 and 2019-05-01. (mkreftable): Add rules for the new Japanese era and the new dates.
* time: Add tests for Minguo calendar [BZ #24293]TAMUKI Shoichi2019-04-022-8/+37
| | | | | | | | | | | | | | | Co-authored-by: Rafal Luzynski <digitalfreak@lingonborough.com> Reviewed-by: Carlos O'Donell <carlos@redhat.com> ChangeLog: [BZ #24293] * time/Makefile (LOCALES): Add zh_TW.UTF-8, cmn_TW.UTF-8, hak_TW.UTF-8, nan_TW.UTF-8, and lzh_TW.UTF-8. * time/tst-strftime2.c (locales): Likewise. (dates): Add 1910-04-01, 1911-12-31, 1912-01-01, 1913-04-01, 2010-04-01, and 2011-04-01. (mkreftable): Add rules for the new locales and the new dates.
* time/tst-strftime2.c: Make the file easier to maintainTAMUKI Shoichi2019-04-021-40/+73
| | | | | | | | | | | | | | | | | | | | | | Express the years as full Gregorian years (e.g., 1988 instead of 88) and months with natural numbers (1-12 rather than 0-11). Compare actual dates rather than indexes when selecting the era name. Declare the local variable era as a string character pointer rather than an array of chars where the actual string is copied which might lead to potential buffer overflows in future. Co-authored-by: Rafal Luzynski <digitalfreak@lingonborough.com> Reviewed-by: Carlos O'Donell <carlos@redhat.com> ChangeLog: * time/tst-strftime2.c (date_t): Explicitly define the type. (dates): Use natural month and year numbers to express a date. (is_before): New function to compare dates. (mkreftable): Minor improvements to simplify maintenance. (do_test): Reflect the changes in dates array.
* Fix strptime era handling, add more strftime tests [BZ #24394]DJ Delorie2019-04-013-3/+466
| | | | | | | | | | | | | | | Test the transition points between all the currently listed Japanese era name changes. This includes testing the transition between the first year date and the second year date. This test will help test the upcoming Japanese era name change. Also fixes a fencepost error where the era name isn't properly parsed by strptime in the last (partial) year of the era. Example: if an era change happens in Feb 1990, and again in Aug 1995, that's 5.5 years long, but the 0.5 year wasn't accounted for. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
* * time/mktime.c: Update obsolete URL in comment.Paul Eggert2019-03-171-1/+1
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* Add some spaces before '('.Joseph Myers2019-02-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes various places where a space should have been present before '(' in accordance with the GNU Coding Standards. Most but not all of the fixes in this patch are for calls to sizeof (but it's not exhaustive regarding such calls that should be fixed). Tested for x86_64, and with build-many-glibcs.py. * benchtests/bench-strcpy.c (do_test): Use space before '('. * benchtests/bench-string.h (cmdline_process_function): Likewise. * benchtests/bench-strlen.c (do_test): Likewise. (test_main): Likewise. * catgets/gencat.c (read_old): Likewise. * elf/cache.c (load_aux_cache): Likewise. * iconvdata/bug-iconv8.c (do_test): Likewise. * math/test-tgmath-ret.c (do_test): Likewise. * nis/nis_call.c (rec_dirsearch): Likewise. * nis/nis_findserv.c (__nis_findfastest_with_timeout): Likewise. * nptl/tst-audit-threads.c (do_test): Likewise. * nptl/tst-cancel4-common.h (set_socket_buffer): Likewise. * nss/nss_test1.c (init): Likewise. * nss/test-netdb.c (test_hosts): Likewise. * posix/execvpe.c (maybe_script_execute): Likewise. * stdio-common/tst-fmemopen4.c (do_test): Likewise. * stdio-common/tst-printf.c (do_test): Likewise. * stdio-common/vfscanf-internal.c (__vfscanf_internal): Likewise. * stdlib/fmtmsg.c (NKEYWORDS): Likewise. * stdlib/qsort.c (STACK_SIZE): Likewise. * stdlib/test-canon.c (do_test): Likewise. * stdlib/tst-swapcontext1.c (do_test): Likewise. * string/memcmp.c (OPSIZ): Likewise. * string/test-strcpy.c (do_test): Likewise. (do_random_tests): Likewise. * string/test-strlen.c (do_test): Likewise. (test_main): Likewise. * string/test-strrchr.c (do_test): Likewise. (do_random_tests): Likewise. * string/tester.c (test_memrchr): Likewise. (test_memchr): Likewise. * sysdeps/generic/memcopy.h (OPSIZ): Likewise. * sysdeps/generic/unwind-dw2.c (execute_stack_op): Likewise. * sysdeps/generic/unwind-pe.h (read_sleb128): Likewise. (read_encoded_value_with_base): Likewise. * sysdeps/hppa/dl-machine.h (elf_machine_runtime_setup): Likewise. * sysdeps/hppa/fpu/feupdateenv.c (__feupdateenv): Likewise. * sysdeps/ia64/fpu/sfp-machine.h (TI_BITS): Likewise. * sysdeps/mach/hurd/spawni.c (__spawni): Likewise. * sysdeps/posix/spawni.c (maybe_script_execute): Likewise. * sysdeps/powerpc/fpu/tst-setcontext-fpscr.c (query_auxv): Likewise. * sysdeps/unix/sysv/linux/aarch64/bits/procfs.h (ELF_NGREG): Likewise. * sysdeps/unix/sysv/linux/arm/bits/procfs.h (ELF_NGREG): Likewise. * sysdeps/unix/sysv/linux/arm/ioperm.c (init_iosys): Likewise. * sysdeps/unix/sysv/linux/csky/bits/procfs.h (ELF_NGREG): Likewise. * sysdeps/unix/sysv/linux/m68k/bits/procfs.h (ELF_NGREG): Likewise. * sysdeps/unix/sysv/linux/nios2/bits/procfs.h (ELF_NGREG): Likewise. * sysdeps/unix/sysv/linux/spawni.c (maybe_script_execute): Likewise. * sysdeps/unix/sysv/linux/x86/bits/procfs.h (ELF_NGREG): Likewise. * sysdeps/unix/sysv/linux/x86/bits/sigcontext.h (FP_XSTATE_MAGIC2_SIZE): Likewise. * sysdeps/x86/fpu/sfp-machine.h (TI_BITS): Likewise. * time/test_time.c (main): Likewise.
* Break more lines before not after operators.Joseph Myers2019-02-251-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch makes further coding style fixes where code was breaking lines after an operator, contrary to the GNU Coding Standards. As with the previous patch, it is limited to files following a reasonable approximation to GNU style already, and is not exhaustive; more such issues remain to be fixed. Tested for x86_64, and with build-many-glibcs.py. * dirent/dirent.h [!_DIRENT_HAVE_D_NAMLEN && _DIRENT_HAVE_D_RECLEN] (_D_ALLOC_NAMLEN): Break lines before rather than after operators. * elf/cache.c (print_cache): Likewise. * gshadow/fgetsgent_r.c (__fgetsgent_r): Likewise. * htl/pt-getattr.c (__pthread_getattr_np): Likewise. * hurd/hurdinit.c (_hurd_setproc): Likewise. * hurd/hurdkill.c (_hurd_sig_post): Likewise. * hurd/hurdlookup.c (__file_name_lookup_under): Likewise. * hurd/hurdsig.c (_hurd_internal_post_signal): Likewise. (reauth_proc): Likewise. * hurd/lookup-at.c (__file_name_lookup_at): Likewise. (__file_name_split_at): Likewise. (__directory_name_split_at): Likewise. * hurd/lookup-retry.c (__hurd_file_name_lookup_retry): Likewise. * hurd/port2fd.c (_hurd_port2fd): Likewise. * iconv/gconv_dl.c (do_print): Likewise. * inet/netinet/in.h (struct sockaddr_in): Likewise. * libio/wstrops.c (_IO_wstr_seekoff): Likewise. * locale/setlocale.c (new_composite_name): Likewise. * malloc/memusagestat.c (main): Likewise. * misc/fstab.c (fstab_convert): Likewise. * nptl/pthread_mutex_unlock.c (__pthread_mutex_unlock_usercnt): Likewise. * nss/nss_compat/compat-grp.c (getgrent_next_nss): Likewise. (getgrent_next_file): Likewise. (internal_getgrnam_r): Likewise. (internal_getgrgid_r): Likewise. * nss/nss_compat/compat-initgroups.c (getgrent_next_nss): Likewise. (internal_getgrent_r): Likewise. * nss/nss_compat/compat-pwd.c (getpwent_next_nss_netgr): Likewise. (getpwent_next_nss): Likewise. (getpwent_next_file): Likewise. (internal_getpwnam_r): Likewise. (internal_getpwuid_r): Likewise. * nss/nss_compat/compat-spwd.c (getspent_next_nss_netgr): Likewise. (getspent_next_nss): Likewise. (internal_getspnam_r): Likewise. * pwd/fgetpwent_r.c (__fgetpwent_r): Likewise. * shadow/fgetspent_r.c (__fgetspent_r): Likewise. * string/strchr.c (STRCHR): Likewise. * string/strchrnul.c (STRCHRNUL): Likewise. * sysdeps/aarch64/fpu/fpu_control.h (_FPU_FPCR_IEEE): Likewise. * sysdeps/aarch64/sfp-machine.h (_FP_CHOOSENAN): Likewise. * sysdeps/csky/dl-machine.h (elf_machine_rela): Likewise. * sysdeps/generic/memcopy.h (PAGE_COPY_FWD_MAYBE): Likewise. * sysdeps/generic/symbol-hacks.h (__stack_chk_fail_local): Likewise. * sysdeps/gnu/netinet/ip_icmp.h (ICMP_INFOTYPE): Likewise. * sysdeps/gnu/updwtmp.c (TRANSFORM_UTMP_FILE_NAME): Likewise. * sysdeps/gnu/utmp_file.c (TRANSFORM_UTMP_FILE_NAME): Likewise. * sysdeps/hppa/jmpbuf-unwind.h (_JMPBUF_UNWINDS): Likewise. * sysdeps/mach/hurd/bits/stat.h (S_ISPARE): Likewise. * sysdeps/mach/hurd/dl-sysdep.c (_dl_sysdep_start): Likewise. (open_file): Likewise. * sysdeps/mach/hurd/htl/pt-mutexattr-setprotocol.c (pthread_mutexattr_setprotocol): Likewise. * sysdeps/mach/hurd/ioctl.c (__ioctl): Likewise. * sysdeps/mach/hurd/mmap.c (__mmap): Likewise. * sysdeps/mach/hurd/ptrace.c (ptrace): Likewise. * sysdeps/mach/hurd/spawni.c (__spawni): Likewise. * sysdeps/microblaze/dl-machine.h (elf_machine_type_class): Likewise. (elf_machine_rela): Likewise. * sysdeps/mips/mips32/sfp-machine.h (_FP_CHOOSENAN): Likewise. * sysdeps/mips/mips64/sfp-machine.h (_FP_CHOOSENAN): Likewise. * sysdeps/mips/sys/asm.h (multiple #if conditionals): Likewise. * sysdeps/posix/rename.c (rename): Likewise. * sysdeps/powerpc/novmx-sigjmp.c (__novmx__sigjmp_save): Likewise. * sysdeps/powerpc/sigjmp.c (__vmx__sigjmp_save): Likewise. * sysdeps/s390/fpu/fenv_libc.h (FPC_VALID_MASK): Likewise. * sysdeps/s390/utf8-utf16-z9.c (gconv_end): Likewise. * sysdeps/unix/grantpt.c (grantpt): Likewise. * sysdeps/unix/sysv/linux/a.out.h (N_TXTOFF): Likewise. * sysdeps/unix/sysv/linux/updwtmp.c (TRANSFORM_UTMP_FILE_NAME): Likewise. * sysdeps/unix/sysv/linux/utmp_file.c (TRANSFORM_UTMP_FILE_NAME): Likewise. * sysdeps/x86/cpu-features.c (get_common_indices): Likewise. * time/tzfile.c (__tzfile_compute): Likewise.
* Break some lines before not after operators.Joseph Myers2019-02-225-16/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The GNU Coding Standards specify that line breaks in expressions should go before an operator, not after one. This patch fixes various code to do this. It only changes code that appears to be mostly following GNU style anyway, not files and directories with substantially different formatting. It is not exhaustive even for files using GNU style (for example, changes to sysdeps files are deferred for subsequent cleanups). Some files changed are shared with gnulib, but most are specific to glibc. Changes were made manually, with places to change found by grep (so some cases, e.g. where the operator was followed by a comment at end of line, are particularly liable to have been missed by grep, but I did include cases where the operator was followed by backslash-newline). This patch generally does not attempt to address other coding style issues in the expressions changed (for example, missing spaces before '(', or lack of parentheses to ensure indentation of continuation lines properly reflects operator precedence). Tested for x86_64, and with build-many-glibcs.py. * benchtests/bench-memmem.c (simple_memmem): Break lines before rather than after operators. * benchtests/bench-skeleton.c (TIMESPEC_AFTER): Likewise. * crypt/md5.c (md5_finish_ctx): Likewise. * crypt/sha256.c (__sha256_finish_ctx): Likewise. * crypt/sha512.c (__sha512_finish_ctx): Likewise. * elf/cache.c (load_aux_cache): Likewise. * elf/dl-load.c (open_verify): Likewise. * elf/get-dynamic-info.h (elf_get_dynamic_info): Likewise. * elf/readelflib.c (process_elf_file): Likewise. * elf/rtld.c (dl_main): Likewise. * elf/sprof.c (generate_call_graph): Likewise. * hurd/ctty-input.c (_hurd_ctty_input): Likewise. * hurd/ctty-output.c (_hurd_ctty_output): Likewise. * hurd/dtable.c (reauth_dtable): Likewise. * hurd/getdport.c (__getdport): Likewise. * hurd/hurd/signal.h (_hurd_interrupted_rpc_timeout): Likewise. * hurd/hurd/sigpreempt.h (HURD_PREEMPT_SIGNAL_P): Likewise. * hurd/hurdfault.c (_hurdsig_fault_catch_exception_raise): Likewise. * hurd/hurdioctl.c (fioctl): Likewise. * hurd/hurdselect.c (_hurd_select): Likewise. * hurd/hurdsig.c (_hurdsig_abort_rpcs): Likewise. (STOPSIGS): Likewise. * hurd/hurdstartup.c (_hurd_startup): Likewise. * hurd/intr-msg.c (_hurd_intr_rpc_mach_msg): Likewise. * hurd/lookup-retry.c (__hurd_file_name_lookup_retry): Likewise. * hurd/msgportdemux.c (msgport_server): Likewise. * hurd/setauth.c (_hurd_setauth): Likewise. * include/features.h (__GLIBC_USE_DEPRECATED_SCANF): Likewise. * libio/libioP.h [IO_DEBUG] (CHECK_FILE): Likewise. * locale/programs/ld-ctype.c (set_class_defaults): Likewise. * localedata/tests-mbwc/tst_swscanf.c (tst_swscanf): Likewise. * login/tst-utmp.c (do_check): Likewise. (simulate_login): Likewise. * mach/lowlevellock.h (lll_lock): Likewise. (lll_trylock): Likewise. * math/test-fenv.c (ALL_EXC): Likewise. * math/test-fenvinline.c (ALL_EXC): Likewise. * misc/sys/cdefs.h (__attribute_deprecated_msg__): Likewise. * nis/nis_call.c (__do_niscall3): Likewise. * nis/nis_callback.c (cb_prog_1): Likewise. * nis/nis_defaults.c (searchaccess): Likewise. * nis/nis_findserv.c (__nis_findfastest_with_timeout): Likewise. * nis/nis_ismember.c (internal_ismember): Likewise. * nis/nis_local_names.c (nis_local_principal): Likewise. * nis/nss_nis/nis-rpc.c (_nss_nis_getrpcbyname_r): Likewise. * nis/nss_nisplus/nisplus-netgrp.c (_nss_nisplus_getnetgrent_r): Likewise. * nis/ypclnt.c (yp_match): Likewise. (yp_first): Likewise. (yp_next): Likewise. (yp_master): Likewise. (yp_order): Likewise. * nscd/hstcache.c (cache_addhst): Likewise. * nscd/initgrcache.c (addinitgroupsX): Likewise. * nss/nss_compat/compat-pwd.c (copy_pwd_changes): Likewise. (internal_getpwuid_r): Likewise. * nss/nss_compat/compat-spwd.c (copy_spwd_changes): Likewise. * posix/glob.h (__GLOB_FLAGS): Likewise. * posix/regcomp.c (peek_token): Likewise. (peek_token_bracket): Likewise. (parse_expression): Likewise. * posix/regexec.c (sift_states_iter_mb): Likewise. (check_node_accept_bytes): Likewise. * posix/tst-spawn3.c (do_test): Likewise. * posix/wordexp-test.c (testit): Likewise. * posix/wordexp.c (parse_tilde): Likewise. (exec_comm): Likewise. * posix/wordexp.h (__WRDE_FLAGS): Likewise. * resource/vtimes.c (TIMEVAL_TO_VTIMES): Likewise. * setjmp/sigjmp.c (__sigjmp_save): Likewise. * stdio-common/printf_fp.c (__printf_fp_l): Likewise. * stdio-common/tst-fileno.c (do_test): Likewise. * stdio-common/vfprintf-internal.c (vfprintf): Likewise. * stdlib/strfmon_l.c (__vstrfmon_l_internal): Likewise. * stdlib/strtod_l.c (round_and_return): Likewise. (____STRTOF_INTERNAL): Likewise. * stdlib/tst-strfrom.h (TEST_STRFROM): Likewise. * string/strcspn.c (STRCSPN): Likewise. * string/test-memmem.c (simple_memmem): Likewise. * termios/tcsetattr.c (tcsetattr): Likewise. * time/alt_digit.c (_nl_parse_alt_digit): Likewise. * time/asctime.c (asctime_internal): Likewise. * time/strptime_l.c (__strptime_internal): Likewise. * time/sys/time.h (timercmp): Likewise. * time/tzfile.c (__tzfile_compute): Likewise.
* Fix a few whitespace arrangement inconsistencies in time/strftime_l.cTAMUKI Shoichi2019-02-111-3/+3
| | | | | | | | | | Having checked the arrangement of whitespace in time/strftime_l.c using "unexpand" and "unexpand -a" command, three inconsistencies are detected. So fix them for consistency. ChangeLog: * time/strftime_l.c: Fix a few whitespace arrangement inconsistencies.
* tst-strftime2: Use array_length macros instead of magic numbersTAMUKI Shoichi2019-02-081-1/+2
| | | | | | | ChangeLog: * time/tst-strftime2.c: Use array_length macros instead of magic numbers.
* time: Avoid alignment gaps in __tzfile_readFlorian Weimer2019-02-041-30/+27
| | | | | | | | | | | By ordering the suballocations by decreasing alignment, alignment gaps can be avoided. Also use __glibc_unlikely for reading the transitions and type indexes. In the 8-byte case, two reads are now needed because the transitions and type indexes are no longer adjacent. The separate call to __fread_unlocked does not matter from a performance point of view because __tzfile_read is only invoked rarely.
* time: Use struct alloc_buffer in __tzfile_readFlorian Weimer2019-02-031-49/+50
| | | | | | | The computation of tzspec_len is moved in front of the total_size computation, so that the allocation size computation and the suballocations are next to each other. Also add an assert that tzspec_len is positive when it is actually used later.
* time: Use int, not long int, for internal GMT offsetsFlorian Weimer2019-02-032-7/+7
| | | | | | | The GMT offset can be outside the range of a 16-bit int type, which is presumably the reason why long int was used in struct tm. We cannot change struct tm, but we can change the internal type for the offset.
* strftime: Pass the additional flags from "%EY" to "%Ey" [BZ #24096]TAMUKI Shoichi2019-01-243-9/+146
| | | | | | | | | | | | | | | | | | | | | | The full representation of the alternative calendar year (%EY) typically includes an internal use of "%Ey". As a GNU extension, apply any flags on "%EY" (e.g. "%_EY", "%-EY") to the internal "%Ey", allowing users of "%EY" to control how the year is padded. Reviewed-by: Rafal Luzynski <digitalfreak@lingonborough.com> Reviewed-by: Zack Weinberg <zackw@panix.com> ChangeLog: [BZ #24096] * manual/time.texi (strftime): Document "%EC" and "%EY". * time/Makefile (tests): Add tst-strftime2. (LOCALES): Add ja_JP.UTF-8, lo_LA.UTF-8, and th_TH.UTF-8. * time/strftime_l.c (__strftime_internal): Add argument yr_spec to override padding for "%Ey". If an optional flag ('_' or '-') is specified to "%EY", interpret the "%Ey" in the subformat as if decorated with that flag. * time/tst-strftime2.c: New file.
* strftime: Set the default width of "%Ey" to 2 [BZ #23758]TAMUKI Shoichi2019-01-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In Japanese locales, strftime's alternative year format (%Ey) produces a year numbered within a time period called an _era_. A new era typically begins when a new emperor is enthroned. The result of "%Ey" is therefore usually a one- or two-digit number. Many programs that display Japanese era dates assume that the era year is two digits wide. To improve how these programs display dates during the first nine years of a new era, change "%Ey" to pad one- digit numbers on the left with a zero. This change applies to all locales. It is expected to be harmless for other locales that use the alternative year format (e.g. lo_LA and th_TH, in which "%Ey" produces the year of the Buddhist calendar) as those calendars' year numbers are already more than two digits wide, and this is not expected to change. This change needs to be in place before 2019-05-01 CE, as a new era is scheduled to begin on that date. Reviewed-by: Zack Weinberg <zackw@panix.com> Reviewed-by: Rafal Luzynski <digitalfreak@lingonborough.com> ChangeLog: [BZ #23758] * manual/time.texi (strftime): Document "%Ey". * time/strftime_l.c (__strftime_internal): Set the default width padding with zero of "%Ey" to 2.
* Fix a few typos in commentsDmitry V. Levin2019-01-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Apply the following spelling fixes: $ git grep -F -l 'relevent' | xargs sed -i 's/relevent/relevant/g' $ git grep -F -l 'checked fot' | xargs sed -i 's/checked fot/checked for/g' $ git grep -F -l "could't" | xargs sed -i "s/could't/couldn't/g" $ git grep -F -l 'wheter' | grep -Fv ChangeLog.old | xargs sed -i 's/wheter/whether/g' $ git grep -F -l 'neccessary' | grep -Fv ChangeLog.old | xargs sed -i 's/neccessary/necessary/g' $ git grep -F -l 'ouput' | xargs sed -i 's/ouput/output/g' $ git grep -F -w -l 'iput' | xargs sed -i 's/iput/input/g' This is inspired by a gnulib bug report at https://lists.gnu.org/archive/html/bug-gnulib/2019-01/msg00081.html * argp/argp-help.c: Fix typo in comment. * misc/sys/cdefs.h: Likewise. * posix/regexec.c (sift_states_iter_mb): Likewise. * socket/sockatmark.c: Likewise. * socket/sys/socket.h: Likewise. * sysdeps/ia64/fpu/libm_sincos_large.S: Likewise. * sysdeps/ia64/fpu/libm_sincosl.S: Likewise. * sysdeps/ia64/fpu/s_cosl.S: Likewise. * sysdeps/ieee754/dbl-64/k_rem_pio2.c: Likewise. * sysdeps/unix/sockatmark.c: Likewise. * time/strptime_l.c: Likewise.
* strftime: Consequently use the "L_" macro with character literalsTAMUKI Shoichi2019-01-111-3/+3
| | | | | | | ChangeLog: * time/strftime_l.c (__strftime_internal): Use "L_" macros, also add a missing space after the cast of "_NL_CURRENT".
* Update copyright dates with scripts/update-copyrights.Joseph Myers2019-01-0143-43/+43
| | | | | | | * All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
* Y2038: make __difftime compatible with 64-bit timeAlbert ARIBAUD (3ADEV)2018-12-201-9/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Provide a 64-bit-time version of __difftime (but do not assume __time64_t is a signed int so that Gnulib can reuse the code) and make the 32-bit version a wrapper of it. Current difftime expects two time_t arguments and returns a double. To preserve source-code compatibility, its 64-bit-time equivalent expects two __time64_t arguments but still returns a double. This patch was tested by running 'make check' on branch master then applying this patch and its two predecessors and running 'make check' again, and checking that both 'make check' yield identical results. This was done on x86_64-linux-gnu and i686-linux-gnu. This patch was also functionally tested with an ad hoc userland C program which checks the result of difftime for various pairs of 32-bit and, for 64-bit builds, of 64-bit time_t values too. The program was built and run against a glibc with and without the patch, and the results compared to ensure the patch does not change the behavior of difftime. * include/time.h (__difftime64): Add. * time/difftime.c (subtract): convert to 64-bit time. * time/difftime.c (__difftime64): Add. * time/difftime.c (__difftime): Wrap around __difftime64.
* Y2038: add function __ctime64_rAlbert ARIBAUD (3ADEV)2018-12-181-2/+17
| | | | | | | | | | Tested with 'make check' on x86_64-linux-gnu and i686-linux.gnu. * include/time.h (__ctime64_r): Add. * time/ctime_r.c (__ctime64_r): Add. [__TIMESIZE != 64] (__ctime_r): Turn into a wrapper.
* Y2038: add function __ctime64Albert ARIBAUD (3ADEV)2018-12-181-2/+17
| | | | | | | | | | Tested with 'make check' on x86_64-linux-gnu and i686-linux.gnu. * include/time.h (__ctime64): Add. * time/gmtime.c (__ctime64): Add. [__TIMESIZE != 64] (ctime): Turn into a wrapper.
* Y2038: add function __gmtime64_rAlbert ARIBAUD (3ADEV)2018-12-181-1/+17
| | | | | | | | | | Tested with 'make check' on x86_64-linux-gnu and i686-linux.gnu. * include/time.h (__gmtime64_r): Add. * time/gmtime.c (__gmtime64_r): Add. [__TIMESIZE != 64] (__gmtime): Turn into a wrapper.
* Y2038: add function __gmtime64Albert ARIBAUD (3ADEV)2018-12-181-2/+16
| | | | | | | | | | Tested with 'make check' on x86_64-linux-gnu and i686-linux.gnu. * include/time.h (__gmtime64): Add. * time/gmtime.c (__gmtime64): Add. [__TIMESIZE != 64] (__gmtime): Turn into a wrapper.
* Y2038: add function __localtime64_rAlbert ARIBAUD (3ADEV)2018-12-181-1/+16
| | | | | | | | | | Tested with 'make check' on x86_64-linux-gnu and i686-linux.gnu. * include/time.h (__localtime64_r): Add. * time/localtime.c (__localtime64_r): Add. [__TIMESIZE != 64] (__localtime_r): Turn into a wrapper.
* Y2038: add function __localtime64Albert ARIBAUD (3ADEV)2018-12-171-1/+15
| | | | | | | | | | | Tested with 'make check' on x86_64-linux-gnu and i686-linux.gnu. * include/time.h (__localtime64): Add. * manual/maint.texi: Document Y2038 symbol handling. * time/localtime.c (__localtime64): Add. [__TIMERSIZE != 64] (__localtime): Turn into a wrapper.
* Y2038: make __tz_convert compatible with 64-bit-timeAlbert ARIBAUD (3ADEV)2018-12-055-37/+24
| | | | | | | | | | | | | | | | | | | | | | Now that __time64_t exists, we can switch internal function __tz_convert from 32-bit to 64-bit time. This involves switching some other internal functions as well, namely __tz_compute and __offtime. Tested with 'make check' on x86_64-linux-gnu and i686-linux.gnu. * include/time.h (__tz_compute): Replace time_t with __time64_t. (__tz_convert): Replace time_t* with __time64_t. (__offtime): Replace time_t* with __time64_t. * time/gmtime.c (__gmtime_r): Adjust call to __tz_convert. (gmtime): Likewise. * time/localtime.c (__localtime_r): Likewise. (localtime): Likewise. * time/offtime.c: Replace time_t with __time64_t. * time/tzset.c: Likewise.
* mktime: DEBUG_MKTIME cleanupPaul Eggert2018-11-151-160/+2
| | | | | | | The DEBUG_MKTIME code no longer works in glibc or in Gnulib. And it’s no longer needed now that glibc and Gnulib both have their own testing mechanisms for mktime. * time/mktime.c (DEBUG_MKTIME): Remove. All uses removed.
* mktime: fix non-EOVERFLOW errno handlingPaul Eggert2018-11-151-98/+99
| | | | | | | | | | | | | | | [BZ#23789] mktime was not properly reporting failures when the underlying localtime_r fails with errno != EOVERFLOW; it incorrectly treated them like EOVERFLOW failures, and set errno to EOVERFLOW. The problem could happen on non-glibc platforms, with Gnulib. * time/mktime.c (guess_time_tm): Remove, replacing with ... (tm_diff): ... this simpler function, which does not change errno. All callers changed to deal with errno themselves. (ranged_convert, __mktime_internal): Return failure immediately if the underlying function reports any failure other than EOVERFLOW. (__mktime_internal): Set errno to EOVERFLOW if the spring-forward gap code fails.
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