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2017-06-122017-06-12 Wilco Dijkstra <wdijkstr@arm.com>Wilco Dijkstra1-119/+0
There is no longer a need for string2.h, so remove it and all mention of it. Move the redirect for __stpcpy to include/string.h since it is still required until all internal uses have been renamed. This fixes several linknamespace/localplt failures when building with -Os. [BZ #15105] [BZ #19463] * include/string.h: Add internal redirect for __stpcpy. * string/Makefile: Remove bits/string2.h. * string/string.h: Update comment. * string/string-inlines.c: Remove bits/string2.h include and comment. * string/bits/string2.h: Remove file.
2017-03-13 Remove the str(n)dup inlines from string/bits/string2.h. Although inliningWilco Dijkstra1-59/+0
calls with constant strings shows a small (~10%) performance gain, strdup is typically used in error reporting code, so not performance critical. Remove the now unused __need_malloc_and_calloc related defines from stdlib.h. Rename existing uses of str(n)dup to __str(n)dup so it no longer needs to be redirected to a builtin. Also building GLIBC with -Os now no longer shows localplt or linkname space failures (partial fix for BZ #15105 and BZ #19463). [BZ #15105] [BZ #19463] * elf/dl-cache.c (_dl_load_cache_lookup): Use __strdup. * inet/rcmd.c (rcmd_af): Likewise. * inet/rexec.c (rexec_af): Likewise. * intl/dcigettext.c (_LIBC): Likewise. * intl/finddomain.c (_nl_find_domain): Use strdup expansion. * locale/loadarchive.c (_nl_load_locale_from_archive): Use __strdup. * locale/setlocale.c (setlocale): Likewise. * posix/spawn_faction_addopen.c (posix_spawn_file_actions_addopen): Likewise. * stdlib/putenv.c (putenv): Use __strndup. * sunrpc/svc_simple.c (__registerrpc): Use __strdup. * sysdeps/posix/getaddrinfo.c (gaih_inet): Use __strdup/__strndup. * include/stdlib.h (__need_malloc_and_calloc): Remove uses. (__Need_M_And_C) Remove define/undef. * stdlib/stdlib.h (__need_malloc_and_calloc): Remove uses. (__malloc_and_calloc_defined): Remove define. * string/bits/string2.h (__strdup): Remove define. (strdup): Likewise. (__strndup): Likewise. (strndup): Likewise.
2017-02-15Remove the str(n)cmp inlines from string/bits/string2.h. The strncmpWilco Dijkstra1-58/+0
optimization seems unlikely to ever be useful, but if it occurs in real code it should be added to GCC. Expanding strcmp of small strings does appear useful (benchmarking shows it is 2-3x faster), so this would be useful to implement in GCC (PR 78809). * string/bits/string2.h (strcmp): Remove define. (__strcmp_cg): Likewise. (strncmp): Likewise.
2017-02-10GLIBC uses strchr (s, '\0') as an idiom to find the end of a string.Wilco Dijkstra1-10/+0
This is transformed into rawmemchr by the bits/string2.h header. However this is generally slower than strlen on most targets, even when an optimized rawmemchr implementation exists. Since GCC7 optimizes strchr (s, '\0') to strlen (s) + s, the GLIBC headers should not transform this to rawmemchr. As GCC recognizes strchr as a builtin, defining strchr as the builtin is not useful. * string/bits/string2.h (strchr): Remove define.
2017-01-01Update copyright dates with scripts/update-copyrights.Joseph Myers1-1/+1
2016-12-21This patch cleans up the strsep implementation and improves performance.Wilco Dijkstra1-90/+0
Currently strsep calls strpbrk is is now a veneer to strcspn. Calling strcspn directly is faster. Since it handles a delimiter string of size 1 as a special case, this is not needed in strsep itself. Although this means there is a slightly higher overhead if the delimiter size is 1, all other cases are slightly faster. The overall performance gain is 5-10% on AArch64. The string/bits/string2.h header contains optimizations for constant delimiters of size 1-3. Benchmarking these showed similar performance for size 1 (since in all cases strchr/strchrnul is used), while size 2 and 3 can give up to 2x speedup for small input strings. However if these cases are common it seems much better to add this optimization to strcspn. So move these header optimizations to string-inlines.c. Improve the strsep benchmark so that it actually benchmarks something. The current version contains a delimiter character at every position in the input string, so there is very little work to do, and the extremely inefficent simple_strsep implementation appears fastest in every case. The new version has either no match in the input for the fail case and a match halfway in the input for the success case. The input is then restored so that each iteration does exactly the same amount of work. Reduce the number of testcases since simple_strsep takes a lot of time now. * benchtests/bench-strsep.c (oldstrsep): Add old implementation. (do_one_test) Restore original string so iteration works. * string/string-inlines.c (do_test): Create better input strings. (test_main) Reduce number of testruns. * string/string-inlines.c (__old_strsep_1c): New function. (__old_strsep_2c): Likewise. (__old_strsep_3c): Likewise. * string/strsep.c (__strsep): Remove case of small delim string. Call strcspn directly rather than strpbrk. * string/bits/string2.h (__strsep): Remove define. (__strsep_1c): Remove. (__strsep_2c): Remove. (__strsep_3c): Remove. (strsep): Remove. * sysdeps/unix/sysv/linux/internal_statvfs.c (__statvfs_getflags): Rename to __strsep.
2016-12-14Improve strtok and strtok_r performance. Instead of calling strpbrk whichWilco Dijkstra1-39/+0
calls strcspn, call strcspn directly so we get the end of the token without an extra call to rawmemchr. Also avoid an unnecessary call to strcspn after the last token by adding an early exit for an empty string. Change strtok to tailcall strtok_r to avoid unnecessary code duplication. Remove the special header optimization for strtok_r of a 1-character constant string - both strspn and strcspn contain optimizations for this case. Benchmarking this showed similar performance in the worst case, but up to 5.5x better performance in the "found" case for large inputs. * benchtests/bench-strtok.c (oldstrtok): Add old implementation. * string/strtok.c (strtok): Change to tailcall __strtok_r. * string/strtok_r.c (__strtok_r): Optimize for performance. * string/string-inlines.c (__old_strtok_r_1c): New function. * string/bits/string2.h (__strtok_r): Move to string-inlines.c.
2016-11-14Fix typo in string/bits/string2.h.Zack Weinberg1-1/+1
The comment above the bzero() macro in this file appears to have been copied verbatim from the comment above the memset() prototype in string.h proper. bzero() has no 'c' argument and can only set memory contents to 0. (The comment above the prototype of bzero() in string.h proper does not make the same mistake.) * string/bits/string2.h: Fix typo in comment.
2016-04-18Move mempcpy, strcpy and stpcpy inlines to string/string-inlines.c as ↵Wilco Dijkstra1-348/+0
compatibility symbols as they are no longer used. Fix compat symbols for __strpbrk inlines. [BZ #18712] * string/string-inlines.c (__STRING2_COPY_TYPE): Add, moved from string2.h. (__old_mempcpy_small): Likewise. (__old_strcpy_small): Likewise. (__old_stpcpy_small): Likewise. (__old_strpbrk_c2): Fix compat symbol name. (__old_strpbrk_c3): Likewise. * string/bits/string2.h (__STRING2_COPY_TYPE): Remove. (__mempcpy_small): Remove. (__strcpy_small): Remove. (__stpcpy_small): Remove.
2016-04-15Remove pre GCC3.2 optimizations from string/bits/string2.h.Wilco Dijkstra1-436/+20
* string/string.h: Use __GNUC_PREREQ(3,4) for bits/string2.h. * string/bits/string2.h (__STRING2_SMALL_GET16): Remove. (__STRING2_SMALL_GET32): Remove. (memset): Remove. (__memset_1): Remove. (__memset_gc): Remove. (__mempcpy): Remove. (mempcpy): Remove. (__mempcpy_args): Remove. (strchr): Remove. (strcpy): Remove. (strcpy_args): Remove. (__stpcpy_args): Remove. (__strcmp_cc): Remove. (__strcmp_gc): Remove. (strstr): Remove.
2016-04-01Improve generic strpbrk performanceAdhemerval Zanella1-58/+3
With now a faster strcspn implementation, it is faster to just use it with some return tests than reimplementing strpbrk itself. As for strcspn optimization, it is generally at least 10 times faster than the existing implementation on bench-strspn on a few AArch64 implementations. Also the string/bits/string2.h inlines make no longer sense, as current implementation will already implement most of the optimizations. Tested on x86_64, i386, and aarch64. * string/strpbrk.c (strpbrk): Rewrite function. * string/bits/string2.h (strpbrk): Use __builtin_strpbrk. (__strpbrk_c2): Likewise. (__strpbrk_c3): Likewise. * string/string-inlines.c [SHLIB_COMPAT(libc, GLIBC_2_1_1, GLIBC_2_24)] (__strpbrk_c2): Likewise. [SHLIB_COMPAT(libc, GLIBC_2_1_1, GLIBC_2_24)] (__strpbrk_c3): Likewise.
2016-04-01Improve generic strspn performanceAdhemerval Zanella1-71/+3
As for strcspn, this patch improves strspn performance using a much faster algorithm. It first constructs a 256-entry table based on the accept string and then uses it as a lookup table for the input string. As for strcspn optimization, it is generally at least 10 times faster than the existing implementation on bench-strspn on a few AArch64 implementations. Also the string/bits/string2.h inlines make no longer sense, as current implementation will already implement most of the optimizations. Tested on x86_64, i686, and aarch64. * string/strspn.c (strcspn): Rewrite function. * string/bits/string2.h (strspn): Use __builtin_strcspn. (__strspn_c1): Remove inline function. (__strspn_c2): Likewise. (__strspn_c3): Likewise. * string/string-inlines.c [SHLIB_COMPAT(libc, GLIBC_2_1_1, GLIBC_2_24)] (__strspn_c1): Add compatibility symbol. [SHLIB_COMPAT(libc, GLIBC_2_1_1, GLIBC_2_24)] (__strspn_c2): Likewise. [SHLIB_COMPAT(libc, GLIBC_2_1_1, GLIBC_2_24)] (__strspn_c3): Likewise.
2016-04-01Improve generic strcspn performanceWilco Dijkstra1-70/+3
Improve strcspn performance using a much faster algorithm. It is kept simple so it works well on most targets. It is generally at least 10 times faster than the existing implementation on bench-strcspn on a few AArch64 implementations, and for some tests 100 times as fast (repeatedly calling strchr on a small string is extremely slow...). In fact the string/bits/string2.h inlines make no longer sense, as GCC already uses strlen if reject is an empty string, strchrnul is 5 times as fast as __strcspn_c1, while __strcspn_c2 and __strcspn_c3 are slower than the strcspn main loop for large strings (though reject length 2-4 could be special cased in the future to gain even more performance). Tested on x86_64, i686, and aarch64. * string/Version (libc): Add GLIBC_2.24. * string/strcspn.c (strcspn): Rewrite function. * string/bits/string2.h (strcspn): Use __builtin_strcspn. (__strcspn_c1): Remove inline function. (__strcspn_c2): Likewise. (__strcspn_c3): Likewise. * string/string-inline.c [SHLIB_COMPAT(libc, GLIBC_2_1_1, GLIBC_2_24)] (__strcspn_c1): Add compatibility symbol. [SHLIB_COMPAT(libc, GLIBC_2_1_1, GLIBC_2_24)] (__strcspn_c2): Likewise. [SHLIB_COMPAT(libc, GLIBC_2_1_1, GLIBC_2_24)] (__strcspn_c3): Likewise. * sysdeps/i386/string-inlines.c: Include generic string-inlines.c.
2016-02-18Add _STRING_INLINE_unaligned and string_private.hH.J. Lu1-5/+5
As discussed in https://sourceware.org/ml/libc-alpha/2015-10/msg00403.html the setting of _STRING_ARCH_unaligned currently controls the external GLIBC ABI as well as selecting the use of unaligned accesses withing GLIBC. Since _STRING_ARCH_unaligned was recently changed for AArch64, this would potentially break the ABI in GLIBC 2.23, so split the uses and add _STRING_INLINE_unaligned to select the string ABI. This setting must be fixed for each target, while _STRING_ARCH_unaligned may be changed from release to release. _STRING_ARCH_unaligned is used unconditionally in glibc. But <bits/string.h>, which defines _STRING_ARCH_unaligned, isn't included with -Os. Since _STRING_ARCH_unaligned is internal to glibc and may change between glibc releases, it should be made private to glibc. _STRING_ARCH_unaligned should defined in the new string_private.h heade file which is included unconditionally from internal <string.h> for glibc build. [BZ #19462] * bits/string.h (_STRING_ARCH_unaligned): Renamed to ... (_STRING_INLINE_unaligned): This. * include/string.h: Include <string_private.h>. * string/bits/string2.h: Replace _STRING_ARCH_unaligned with _STRING_INLINE_unaligned. * sysdeps/aarch64/bits/string.h (_STRING_ARCH_unaligned): Removed. (_STRING_INLINE_unaligned): New. * sysdeps/aarch64/string_private.h: New file. * sysdeps/generic/string_private.h: Likewise. * sysdeps/m68k/m680x0/m68020/string_private.h: Likewise. * sysdeps/s390/string_private.h: Likewise. * sysdeps/x86/string_private.h: Likewise. * sysdeps/m68k/m680x0/m68020/bits/string.h (_STRING_ARCH_unaligned): Renamed to ... (_STRING_INLINE_unaligned): This. * sysdeps/s390/bits/string.h (_STRING_ARCH_unaligned): Renamed to ... (_STRING_INLINE_unaligned): This. * sysdeps/sparc/bits/string.h (_STRING_ARCH_unaligned): Renamed to ... (_STRING_INLINE_unaligned): This. * sysdeps/x86/bits/string.h (_STRING_ARCH_unaligned): Renamed to ... (_STRING_INLINE_unaligned): This.
2016-01-04Update copyright dates with scripts/update-copyrights.Joseph Myers1-1/+1
2015-01-02Update copyright dates with scripts/update-copyrights.Joseph Myers1-1/+1
2014-06-16Update feature guard for strdup/strndup in <bits/string2.h>Andreas Schwab1-2/+2
2014-02-21Complete _BSD_SOURCE / _SVID_source followup cleanup.Joseph Myers1-1/+1
This patch completes the headers cleanup consequent on removal of _BSD_SOURCE and _SVID_SOURCE (apart from any subsequent deprecations): * #endif conditionals that referred to BSD or SVID are updated. * Redundant __USE_* tests in cases involving __USE_MISC are removed. This includes cases such as __USE_MISC || __USE_ISOC99, where __USE_MISC is redundant (because __USE_MISC is only ever defined in the default / _DEFAULT_SOURCE / _GNU_SOURCE case, when __USE_ISOC99 is also defined; the same applies to the non-XSI-extended POSIX versions), and cases involving __USE_GNU, where __USE_GNU is redundant (because if __USE_GNU is defined, so are the other __USE_* macros). There may well be other cases of __USE_FOO || __USE_BAR tests that could be simplified because one macro implies the other; this patch only addresses cases involving __USE_MISC. Tested x86_64. * bits/fcntl.h [__USE_MISC]: Remove redundant conditionals. * bits/sigaction.h [__USE_MISC]: Likewise. * bits/waitstatus.h: Update #endif comments. * ctype/ctype.h: Likewise. * dirent/dirent.h: Likewise. [__USE_MISC]: Remove redundant conditionals. * grp/grp.h: Update #endif comments. [__USE_GNU]: Remove redundant conditionals. [__USE_MISC]: Likewise. * inet/netinet/in.h [__USE_GNU]: Likewise. * io/sys/stat.h [__USE_MISC]: Likewise. * libio/bits/stdio-ldbl.h [__USE_MISC]: Likewise. * libio/bits/stdio.h: Update #endif comments. [__USE_MISC]: Remove redundant conditionals. * libio/bits/stdio2.h [__USE_MISC]: Likewise. * libio/stdio.h: Update #endif comments. [__USE_MISC]: Remove redundant conditionals. * math/bits/math-finite.h [__USE_MISC]: Likewise. * math/bits/mathcalls.h [__USE_MISC]: Likewise. * math/math.h: Update #else and #endif comments. [__USE_MISC]: Remove redundant conditionals. * misc/sys/uio.h: Update #endif comments. * posix/bits/unistd.h [__USE_MISC]: Remove redundant conditionals. * posix/glob.h [__USE_MISC]: Likewise. * posix/sys/types.h: Update #endif comments. [__USE_MISC]: Remove redundant conditionals. * posix/sys/wait.h: Update #endif comments. [__USE_MISC]: Remove redundant conditionals. * posix/unistd.h: Update #endif comments. [__USE_MISC]: Remove redundant conditionals. * pwd/pwd.h [__USE_GNU]: Likewise. [__USE_MISC]: Likewise. * resolv/netdb.h [__USE_GNU]: Likewise. * signal/signal.h: Update #endif comments. [__USE_MISC]: Remove redundant conditionals. * stdlib/stdlib.h: Update #else and #endif comments. [__USE_MISC]: Remove redundant conditionals. [__USE_GNU]: Likewise. * string/bits/string2.h [__USE_MISC]: Likewise. * string/string.h: Update #endif comments. [__USE_MISC]: Remove redundant conditionals. * sysdeps/m68k/m680x0/fpu/bits/mathinline.h [__USE_MISC]: Likewise. * sysdeps/mach/hurd/bits/fcntl.h [__USE_MISC]: Likewise. * sysdeps/mach/hurd/bits/stat.h [__USE_MISC]: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/sigaction.h [__USE_MISC]: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/stat.h [__USE_MISC]: Likewise. * sysdeps/unix/sysv/linux/bits/fcntl-linux.h: Update #endif comments. [__USE_MISC]: Remove redundant conditionals. * sysdeps/unix/sysv/linux/bits/in.h [__USE_GNU]: Likewise. * sysdeps/unix/sysv/linux/bits/sigaction.h [__USE_MISC]: Likewise. * sysdeps/unix/sysv/linux/bits/socket.h [__USE_GNU]: Likewise. * sysdeps/unix/sysv/linux/bits/stat.h [__USE_MISC]: Likewise. * sysdeps/unix/sysv/linux/ia64/bits/sigaction.h [__USE_MISC]: Likewise. * sysdeps/unix/sysv/linux/m68k/bits/stat.h [__USE_MISC]: Likewise. * sysdeps/unix/sysv/linux/mips/bits/sigaction.h [__USE_MISC]: Likewise. * sysdeps/unix/sysv/linux/mips/bits/stat.h [__USE_MISC]: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/stat.h [__USE_MISC]: Likewise. * sysdeps/unix/sysv/linux/s390/bits/sigaction.h [__USE_MISC]: Likewise. * sysdeps/unix/sysv/linux/s390/bits/stat.h [__USE_MISC]: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/sigaction.h [__USE_MISC]: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/stat.h [__USE_MISC]: Likewise. * sysdeps/unix/sysv/linux/x86/bits/stat.h [__USE_MISC]: Likewise. * sysdeps/x86/bits/string.h: Update #endif comments. * sysdeps/x86/fpu/bits/mathinline.h [__USE_MISC]: Remove redundant conditionals. * time/sys/time.h: Update #endif comments. * time/time.h: Likewise. [__USE_MISC]: Remove redundant conditionals.
2014-02-13Clean up trivially redundant __USE_MISC conditionals.Joseph Myers1-1/+1
This patch cleans up cases of __USE_MISC that are trivially redundant after the recent substitution of __USE_MISC for __USE_BSD and __USE_SVID: either in constructs such as "defined __USE_MISC || defined __USE_MISC", or else (in the bits/mman.h case) a conditional on __USE_MISC nested inside another __USE_MISC conditional. (The cleanups remaining after this patch are still quite large, but it seems a reasonable piece to separate out.) Tested x86_64. * bits/mman.h [__USE_MISC]: Remove redundant conditionals. * ctype/ctype.h [__USE_MISC]: Likewise. * dirent/dirent.h [__USE_MISC]: Likewise. * grp/grp.h [__USE_MISC]: Likewise. * io/fcntl.h [__USE_MISC]: Likewise. * io/sys/stat.h [__USE_MISC]: Likewise. * libio/stdio.h [__USE_MISC]: Likewise. * posix/unistd.h [__USE_MISC]: Likewise. * pwd/pwd.h [__USE_MISC]: Likewise. * stdlib.h [__USE_MISC]: Likewise. * string/bits/string2.h [__USE_MISC]: Likewise. * string/string.h [__USE_MISC]: Likewise. * time/time.h [__USE_MISC]: Likewise.
2014-02-12Combine __USE_BSD and __USE_SVID into __USE_MISC.Joseph Myers1-2/+2
This patch cleans up following the obsoletion of _BSD_SOURCE and _SVID_SOURCE by combining __USE_BSD and __USE_SVID into __USE_MISC. The only non-mechanical part of this patch is the changes to features.h; everything else is simple substitution of __USE_MISC for the old macros. Thus, this patch leaves obviously redundant conditionals such as "defined __USE_MISC || defined __USE_MISC", and does not update #endif comments where they referred to BSD or SVID in words instead of the literal macro name. This is intended to facilitate patch review by separating the less mechanical changes from these purely mechanical changes into a separate patch. (I do intend to integrate all the changes from <https://sourceware.org/ml/libc-alpha/2013-12/msg00226.html>, which I believe includes all the trailing comment updates, in subsequent patches.) Tested x86_64. * include/features.h (__USE_BSD): Remove macro definitions. (__USE_SVID): Likewise. (_BSD_SOURCE): Likewise. (_SVID_SOURCE): Likewise. [!defined _BSD_SOURCE && !defined _SVID_SOURCE]: Remove condition from definition of _DEFAULT_SOURCE. [_BSD_SOURCE || _SVID_SOURCE]: Change condition to [_DEFAULT_SOURCE]. * bits/fcntl.h [__USE_BSD]: Change condition to [__USE_MISC]. * bits/mman.h [__USE_BSD]: Likewise. * bits/termios.h [__USE_BSD]: Likewise. * bits/waitstatus.h [__USE_BSD]: Likewise. * ctype/ctype.h [__USE_SVID]: Likewise. * dirent/dirent.h [__USE_BSD]: Likewise. * grp/grp.h [__USE_SVID]: Likewise. [__USE_BSD]: Likewise. * inet/netinet/igmp.h [__USE_BSD]: Likewise. * io/fcntl.h [__USE_BSD]: Likewise. * io/ftw.h [__USE_BSD]: Likewise. * io/sys/stat.h [__USE_BSD]: Likewise. * libio/bits/stdio-ldbl.h [__USE_BSD]: Likewise. * libio/bits/stdio2.h [__USE_BSD]: Likewise. * libio/stdio.h [__USE_SVID]: Likewise. [__USE_BSD]: Likewise. * math/math.h [__USE_SVID]: Likewise. [__USE_BSD]: Likewise. * misc/bits/syslog-ldbl.h [__USE_BSD]: Likewise. * misc/bits/syslog.h [__USE_BSD]: Likewise. * misc/search.h [__USE_SVID]: Likewise. * misc/sys/mman.h [__USE_BSD]: Likewise. * misc/sys/syslog.h [__USE_BSD]: Likewise. * misc/sys/uio.h [__USE_BSD]: Likewise. * posix/bits/unistd.h [__USE_BSD]: Likewise. * posix/glob.h [__USE_BSD]: Likewise. * posix/regex.h [__USE_BSD]: Likewise. * posix/sys/types.h [__USE_BSD]: Likewise. [__USE_SVID]: Likewise. * posix/sys/utsname.h [__USE_SVID]: Likewise. * posix/sys/wait.h [__USE_BSD]: Likewise. [__USE_SVID]: Likewise. * posix/unistd.h [__USE_BSD]: Likewise. [__USE_SVID]: Likewise. * pwd/pwd.h [__USE_SVID]: Likewise. * resolv/netdb.h [__USE_BSD]: Likewise. * setjmp/setjmp.h [__USE_BSD]: Likewise. * signal/signal.h [__USE_BSD]: Likewise. [__USE_SVID]: Likewise. * socket/sys/socket.h [__USE_BSD]: Likewise. * stdlib/fmtmsg.h [__USE_SVID]: Likewise. * stdlib/stdlib.h [__USE_BSD]: Likewise. [__USE_SVID]: Likewise. * string/bits/string2.h [__USE_BSD]: Likewise. [__USE_SVID]: Likewise. * string/bits/string3.h [__USE_BSD]: Likewise. * string/endian.h [__USE_BSD]: Likewise. * string/string.h [__USE_SVID]: Likewise. [__USE_BSD]: Likewise. * string/strings.h [__USE_BSD]: Likewise. * sysdeps/generic/netinet/ip.h [__USE_BSD]: Likewise. * sysdeps/gnu/netinet/ip_icmp.h [__USE_BSD]: Likewise. * sysdeps/mach/hurd/bits/fcntl.h [__USE_BSD]: Likewise. * sysdeps/mach/hurd/bits/stat.h [__USE_BSD]: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/mman.h [__USE_BSD]: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/termios.h [__USE_BSD]: Likewise. * sysdeps/unix/sysv/linux/bits/fcntl-linux.h [__USE_BSD]: Likewise. * sysdeps/unix/sysv/linux/bits/mman-linux.h [__USE_BSD]: Likewise. * sysdeps/unix/sysv/linux/bits/sys_errlist.h [__USE_BSD]: Likewise. * sysdeps/unix/sysv/linux/bits/termios.h [__USE_BSD]: Likewise. * sysdeps/unix/sysv/linux/mips/bits/termios.h [__USE_BSD]: Likewise. * sysdeps/unix/sysv/linux/netinet/if_ether.h [__USE_BSD]: Likewise. * sysdeps/unix/sysv/linux/netinet/if_fddi.h [__USE_BSD]: Likewise. * sysdeps/unix/sysv/linux/netinet/if_tr.h [__USE_BSD]: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/termios.h [__USE_BSD]: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/termios.h [__USE_BSD]: Likewise. * sysdeps/x86/bits/string.h [__USE_BSD]: Likewise. * sysvipc/sys/ipc.h [__USE_SVID]: Likewise. * termios/termios.h [__USE_BSD]: Likewise. * time/sys/time.h [__USE_BSD]: Likewise. * time/time.h [__USE_BSD]: Likewise. [__USE_SVID]: Likewise. * sysdeps/unix/sysv/linux/hppa/bits/mman.h [__USE_BSD]: Change condition to [__USE_MISC].
2014-01-01Update copyright notices with scripts/update-copyrightsAllan McRae1-1/+1
2013-06-07Avoid use of "register" as optimization hint.Joseph Myers1-13/+13
2013-05-01Remove duplicate __strcmp_cgOndrej Bilka1-24/+1
The __strcmp_cg code was duplicate of of __strcmp_gc. This patch unifies these two cases into one.
2013-02-15Remove miscellaneous bounded-pointers relics in C code.Joseph Myers1-1/+1
2013-01-02Update copyright notices with scripts/update-copyrights.Joseph Myers1-1/+1
2012-05-09Fix strspn warning with -WconversionAndreas Jaeger1-2/+2
[BZ #14083] Fix warning when using strspn with -Wconversion: $ gcc -Wconversion -O t.c t.c: In function ‘main’: t.c:8:7: warning: conversion to ‘long unsigned int’ from ‘int’ may change the sign of the result [-Wsign-conversion]
2012-02-09Replace FSF snail mail address with URLs.Paul Eggert1-3/+2
2012-01-07Remove pre-ISO C supportUlrich Drepper1-161/+160
No more __const.
2008-01-15[BZ #5614]Ulrich Drepper1-6/+5
2008-01-15 Ulrich Drepper <drepper@redhat.com> [BZ #5614] * string/bits/string2.h (__strtok_r_1c): Always update *__NEXTP. (__strtok_r): Simplify. * string/tester.c (test_strtok_r): Add test case for futile search with single-character seach string.
2007-10-05[BZ #5113]Ulrich Drepper1-2/+2
* string/bits/string2.h (__strdup): Cast parameters to calloc to avoid warning with -Wconversion. (__strndup): Likewise. Patch to 50% by Christian Iseli <christian.iseli@licr.org>.
2007-03-17* configure.in (libc_cv_gnu89_inline): Test for -fgnu89-inline.Ulrich Drepper1-2/+2
* config.make.in (gnu89-inline-CFLAGS): New variable. * Makeconfig (CFLAGS): Use $(gnu89-inline-CFLAGS) together with -std=gnu99. * misc/sys/cdefs.h (__extern_inline, __extern_always_inline): Define. * argp/argp.h: Use it. * bits/mathinline.h: Likewise. * bits/sigset.h: Likewise. * bits/string.h: Likewise. * ctype/ctype.h: Likewise. * hurd/hurd.h: Likewise. * hurd/hurd/fd.h: Likewise. * hurd/hurd/port.h: Likewise. * hurd/hurd/signal.h: Likewise. * hurd/hurd/threadvar.h: Likewise. * hurd/hurd/userlink.h: Likewise. * io/sys/stat.h: Likewise. * libio/bits/stdio.h: Likewise. * libio/bits/stdio2.h: Likewise. * mach/lock-intern.h: Likewise. * mach/mach/mig_support.h: Likewise. * math/bits/cmathcalls.h: Likewise. * posix/bits/unistd.h: Likewise. * socket/bits/socket2.h: Likewise. * stdlib/bits/stdlib.h: Likewise. * stdlib/stdlib.h: Likewise. * string/argz.h: Likewise. * string/bits/string2.h: Likewise. * string/bits/string3.h: Likewise. * sysdeps/alpha/fpu/bits/mathinline.h: Likewise. * sysdeps/generic/inttypes.h: Likewise. * sysdeps/generic/machine-lock.h: Likewise. * sysdeps/generic/machine-sp.h: Likewise. * sysdeps/i386/fpu/bits/mathinline.h: Likewise. * sysdeps/i386/i486/bits/string.h: Likewise. * sysdeps/ia64/fpu/bits/mathinline.h: Likewise. * sysdeps/mach/alpha/machine-lock.h: Likewise. * sysdeps/mach/alpha/machine-sp.h: Likewise. * sysdeps/mach/i386/machine-lock.h: Likewise. * sysdeps/mach/powerpc/machine-lock.h: Likewise. * sysdeps/mach/powerpc/machine-sp.h: Likewise. * sysdeps/powerpc/fpu/bits/mathinline.h: Likewise. * sysdeps/s390/bits/string.h: Likewise. * sysdeps/s390/fpu/bits/mathinline.h: Likewise. * sysdeps/sparc/fpu/bits/mathinline.h: Likewise. * sysdeps/unix/bsd/bsd4.4/bits/socket.h: Likewise. * sysdeps/unix/sysv/linux/bits/sigset.h: Likewise. * sysdeps/unix/sysv/linux/bits/socket.h: Likewise. * sysdeps/unix/sysv/linux/sys/sysmacros.h: Likewise. * sysdeps/x86_64/fpu/bits/mathinline.h: Likewise. * wcsmbs/bits/wchar2.h: Likewise. * wcsmbs/wchar.h: Likewise. * stdlib/gmp.h: Likewise. Include <features.h> to get __extern_inline definition. * locale/programs/ld-ctype.c (find_translit): Return NULL if ctype is NULL.
2004-05-28Update.Ulrich Drepper1-9/+14
2004-05-27 Jakub Jelinek <jakub@redhat.com> * sysdeps/i386/fpu/bits/mathinline.h (__expm1_code): Define using __builtin_expm1l for GCC 3.5+. (__expl): Define using __builtin_expl for GCC 3.4+. (exp, expf, expl): Don't define for GCC 3.4+. (tan, tanf, tanl): Don't define for GCC 3.5+. (__atan2l): Define using __builtin_atan2l for GCC 3.4+. (atan2, atan2f, atan2l): Don't define for GCC 3.4+ or !__FAST_MATH__. (fmod, fmodf, fmodl): Don't define for GCC 3.5+ or !__FAST_MATH__. (fabsf, fabsl): Only provide if __USE_MISC or __USE_ISOC99. (sin, sinf, sinl, cos, cosf, cosl, log, logf, logl): Don't define for GCC 3.4+. (log10, log10f, log10l, asin, asinf, asinl, acos, acosf, acosl): Don't define for GCC 3.5+. (atan, atanf, atanl): Don't define for GCC 3.4+ or !__FAST_MATH__. (log1p, log1pf, log1pl, logb, logbf, logbl, log2, log2f, log2l): Don't define for GCC 3.5+. (drem, dremf, dreml): Don't define for GCC 3.5+ or !__FAST_MATH__. * sysdeps/sparc/fpu/bits/mathinline.h (sqrt, sqrtf, sqrtl): Don't define for GCC 3.2+. 2004-05-27 Jakub Jelinek <jakub@redhat.com> * string/bits/string2.h (__bzero): Define even for GCC 3.0+. * sysdeps/alpha/stpcpy.S (stpcpy): Add libc_hidden_builtin_def. * sysdeps/alpha/alphaev67/stpcpy.S (stpcpy): Likewise. * sysdeps/powerpc/powerpc32/stpcpy.S (stpcpy): Likewise. * sysdeps/powerpc/powerpc64/stpcpy.S (stpcpy): Likewise. * sysdeps/sparc/sparc32/stpcpy.S (stpcpy): Likewise. * sysdeps/sparc/sparc64/stpcpy.S (stpcpy): Likewise. * sysdeps/i386/stpcpy.S (stpcpy): Likewise. * sysdeps/i386/i586/stpcpy.S (stpcpy): Likewise. * sysdeps/generic/stpcpy.c (stpcpy): Likewise. * sysdeps/x86_64/stpcpy.S (stpcpy): Likewise. * sysdeps/i386/i586/memcpy.S (memcpy): Remove libc_hidden_builtin_def if MEMPCPY_P. * sysdeps/x86_64/memcpy.S (memcpy): Likewise. * sysdeps/i386/i686/mempcpy.S (mempcpy): Add libc_hidden_builtin_def. * sysdeps/i386/i586/mempcpy.S (mempcpy): Likewise. * sysdeps/generic/mempcpy.c (mempcpy): Likewise. * sysdeps/x86_64/mempcpy.S (mempcpy): Likewise.
2004-05-26Update.Ulrich Drepper1-23/+106
2004-05-26 Jakub Jelinek <jakub@redhat.com> * include/string.h (mempcpy, stpcpy): Add libc_hidden_builtin_proto. * string/bits/string2.h (memset): Disable macro for GCC 3.0+. (__mempcpy): Use __builtin_mempcpy for GCC 3.4+. (strchr): For GCC 3.2+, only use __rawmemchr if second argument is constant '\0' and first argument is not constant. (__stpcpy): Use __builtin_stpcpy for GCC 3.4+. (strncpy): Remove #ifdef _USE_STRING_ARCH_mempcpy variant. For GCC 3.2+ use __builtin_strncpy. (strncat): For GCC 3.2+ use __builtin_strncat. (strcmp): For GCC 3.2+ use __builtin_strcmp if both arguments are constant. (strcspn, strspn, strpbrk): For GCC 3.2+, use builtin function if both arguments are constant. 2004-05-26 Ulrich Drepper <drepper@redhat.com> * nss/nss_files/files-hosts.c: Fix condition for looking up IPv4 mapped addresses in gethostbyaddr.
2004-04-29[BZ #130, BZ #131]Roland McGrath1-2/+2
2004-04-28 Carlos O'Donell <carlos@baldric.uwo.ca> * sysdeps/unix/sysv/linux/mq_getattr.c: Include <stddef.h>. * sysdeps/unix/sysv/linux/mq_notify.c: Likewise. * sysdeps/unix/sysv/linux/mq_open.c: Likewise. * sysdeps/unix/sysv/linux/mq_receive.c: Likewise. * sysdeps/unix/sysv/linux/mq_send.c: Likewise. * manual/resource.texi (sched_setaffinity, sched_getaffinity): Fix prototypes and description [BZ #131]. * string/bits/string2.h (strpbrk): Cast NULL to char * [BZ #130]. Patch by Ed Catmur <ed@catmur.co.uk>. * string/tst-inlcall.c (main): Add test for strpbrk.
2003-08-20Update.Ulrich Drepper1-2/+2
* string/bits/string2.h (__STRING2_COPY_TYPE): Add attribute to the type, not to name.
2002-05-28Update.Ulrich Drepper1-1/+3
2002-05-27 Alexandre Oliva <aoliva@redhat.com> * configure.in (DO_STATIC_NSS): Define if --disable-shared. 2002-05-26 Bruno Haible <bruno@clisp.org> * iconvdata/iso-2022-jp.c (BODY for TO_LOOP): Avoid running off the end of the ISO-8859-7 from idx table. 2002-05-27 Ulrich Drepper <drepper@redhat.com> * manual/lang.texi: Fix FLT_EPSILON description [PR libc/3649]. 2002-05-24 David S. Miller <davem@redhat.com> * string/bits/string2.h (memset): Do not try to optimize when not _STRING_ARCH_unaligned if GCC will do the right thing.
2002-01-29Update.Ulrich Drepper1-1/+1
2002-01-29 Ben Collins <bcollins@debian.org> * string/bits/string2.h (__mempcpy): Protect size arg for addition when using __builtin_memcpy.
2002-01-29Update.Ulrich Drepper1-1/+1
2002-01-28 Ulrich Drepper <drepper@redhat.com> * timezone/asia: Update from tzdata2002b. * timezone/australasia: Likewise. * timezone/backward: Likewise. * timezone/europe: Likewise. * timezone/leapseconds: Likewise. * timezone/iso3166.tab: Likewise. * timezone/zone.tab: Likewise.
2002-01-29Update.Ulrich Drepper1-22/+46
2002-01-23 Richard Henderson <rth@redhat.com> * sysdeps/alpha/Makefile (pic-ccflag): New variable. 2002-01-28 Ulrich Drepper <drepper@redhat.com> * string/strxfrm.c: Allocate one more byte for rulearr and clear this element [PR libc/2855]. * string/strcoll.c: Handle zero-length arguments specially [PR libc/2856]. 2002-01-23 Jakub Jelinek <jakub@redhat.com> * string/bits/string2.h (__mempcpy): For gcc 3.0+, don't use __mempcpy_small but instead use __builtin_memcpy ( , , n) + n for short lengths and constant src. (strcpy): Don't optimize for gcc 3.0+. (__stpcpy): For gcc 3.0+, don't use __stpcpy_small but instead use __builtin_strcpy (, src) + strlen (src) for short string literal src. 2002-01-23 Jeroen Dobbelaere <jeroen.dobbelaere@acunia.com> * sysdeps/unix/sysv/linux/configure.in (libc_cv_gcc_unwind_find_fde): Set for arm, too. 2001-01-22 Paul Eggert <eggert@twinsun.com> * manual/llio.texi (Linked Channels, Cleaning Streams): Make it clearer that a just-opened input stream might need cleaning. 2002-01-21 H.J. Lu <hjl@gnu.org> * sysdeps/mips/dl-machine.h (ELF_MACHINE_BEFORE_RTLD_RELOC): Don't use label at end of compound statement.
2001-11-03Update.Ulrich Drepper1-1/+1
2001-11-02 Jakub Jelinek <jakub@redhat.com> * string/bits/string2.h (__strndup): If n is smaller than len, set len to n + 1. * string/tester.c (test_strndup): New function. (main): Call it. * sunrpc/rpc_main.c: Optimize variable definitions a bit.
2001-10-07Update.Ulrich Drepper1-2/+4
2001-10-04 Ben Collins <bcollins@debian.org> * sysdeps/generic/inttypes.h: Fix typo (define, not defined) in decleration of __need_wchar_t. 2001-10-03 Jakub Jelinek <jakub@redhat.com> * string/bits/string2.h (__strsep_g): Add prototype. (__strsep): Use it. * string/Versions (__strsep): Remove. * sysdeps/generic/strsep.c (__strsep_g): Add alias to __strsep. 2001-10-07 Ulrich Drepper <drepper@redhat.com> * manua/llio.texi: Clarify file references added by mmap. Patch by Marcus Brinkmann <Marcus.Brinkmann@ruhr-uni-bochum.de>.
2001-09-25Update.Ulrich Drepper1-98/+107
* sysdeps/unix/sysv/linux/ulimit.c (__ulimit): Handle overflow in UL_SETFSIZE computations better. * string/Versions: Export __strsep for GLIBC_2.2.5. * string/bits/string2.h: Define all __STRING_INLINE functions if _FORCE_INLINES is defined. Use int instead of char of parameter types. (__strsep): Don't use __strsep_g. Don't define it. (__strsep_1c, __strsep_2c, __strsep_3c): Optimize. * sysdeps/i386/i486/string.h (__strcpy_a_small): Renamed from __strcpy_small. (__stpcpy_a_small): Renamed from __stpcpy_small. (__strcspn_c1): Don't define if _FORCE_INLINES. (__strspn_c1): Likewise. 2001-09-22 Ben Collins <bcollins@debian.org> * sysdeps/sparc/bits/sigaction.h: Define SA_RESTART and friends when _UNIX98_SOURCE is defined too. Matches generic/bits/sigaction.h. * sysdeps/ia64/bits/sigaction.h: Likewise. * sysdeps/s390/s390-64/bits/sigaction.h: Likewise. 2001-09-24 Andrew Haley <aph@cambridge.redhat.com> * sysdeps/unix/sysv/linux/sh/Makefile (sysdep_headers): Add sys/io.h. 2001-09-24 Jakub Jelinek <jakub@redhat.com> * elf/dl-open.c (dl_open_worker): Update l_scope_max. 2001-09-24 Ulrich Drepper <drepper@redhat.com>
2001-09-14Update.Ulrich Drepper1-9/+7
* string/bits/string2.h (__strtok_r_1c): Optimize a bit.
2001-08-21Update.Ulrich Drepper1-12/+0
* string/bits/string2.h: Remove strnlen optimization here. * sysdeps/i386/i486/bits/string.h: Add it here. 2001-08-21 Wolfram Gloger <wg@malloc.de> * malloc/malloc.c: Make access to ..._hook pointers thread-safe. 2001-08-21 Ulrich Drepper <drepper@redhat.com>
2001-07-06Update to LGPL v2.1.Andreas Jaeger1-8/+8
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
2001-01-31Update.Ulrich Drepper1-8/+8
2001-01-29 Ben Collins <bcollins@debian.org> * sysdeps/sparc/fpu/fraiseexcpt.c: Include <float.h>. * sysdeps/hppa/fpu/fraiseexcpt.c: Likewise. * sysdeps/m68k/fpu/fraiseexcpt.c: Likewise. * sysdeps/s390/fpu/fraiseexcpt.c: Likewise. * locale/programs/ld-measurement.c (measurement_finish): Fix a typo. Patch by Marko Myllynen <myllynen@lut.fi>. * string/bits/string2.h (__strpbrk_c2): Correct parameter types (int instead of char). (__strpbrk_c3): Likewise. Reported by GOTO Masanori <gotom@debian.or.jp>. Reported by Arkadiusz Miskiewicz <misiek@pld.ORG.PL>.
2000-11-20Update.Ulrich Drepper1-2/+2
2000-11-20 Ulrich Drepper <drepper@redhat.com> * csu/gmon-start.c: Always have prototype for __gmon_start. * csu/version.c: Add prototypes for __libc_print_version and __libc_main. * iconv/gconv.c: Include gconv_int.h and gconv.h. * iconv/gconv.h (struct __gconv_step): Remove const from __from_name and __to_name. * iconv/gconv_builtin.h: Add ASCII module definitions. * iconv/gconv_conf.c (__gconv_path_elem): Remove const. (add_module): Add cast to avoid warning. Rework construction of strings for new module. * iconv/gconv_db.c (__gconv_alias_compare): Make s1 and s2 const. (derivation_compare): Likewise. * iconv/gconv_dl.c (do_release_shlib): Remove const from nodep. (__gconv_release_shlib): Cast do_release_shlib as parameter for twalk. * iconv/gconv_int.h (__gconv_path_elem): Remove const. (struct gconv_alias): Remove const from fromname and toname. * iconv/gconv_simple.c: Include gconv_builtin.h to get prototypes for loop functions. (internal_ucs4_loop): Use correct const-ness. (ucs4_internal_loop): Likewise. (internal_ucs4le_loop): Likewise. (ucs4le_internal_loop_single): Likewise. * iconv/gconv_trans.c (__gconv_transliterate): Make from_idx, from_tbl, to_idx, to_tbl, winbuf, winbufend const. Change casts in assignments appropriately. (struct known_trans): Remove const from fname. (trans_compare): Make s1 and s2 const. * iconv/loop.c (LOOPFC): Make outend parameter const. Add cast to avoid warning. * iconv/skeleton.c: Remove cast in calls of loop functions. * iconvdata/gconv-modules: Remove US-ASCII definitions. * iconvdata/iso646.c: Remove US_ASCII support. * include/set-hooks.h (DEFINE_HOOK): Also generate prototype. * include/unistd.h: Add __libc_check_standard_fds prototype. * string/bits/string2.h (__mempcpy_args): Add const to casts. * sysdeps/generic/initfini.c: Add prototypes for dummy, _init, and _fini. * sysdeps/generic/libc-start.c: Add prototype for __libc_start_main. * sysdeps/i386/i486/bits/string.h (strcmp): Add const to casts. * sysdeps/unix/sysv/linux/dl-osinfo.h (dl_fatal): Add cast to avoid warning. * sysdeps/unix/sysv/linux/init-first.c: Add prototypes for __libc_init_first and _dl_start. * sysdeps/unix/sysv/linux/mips/clone.S: Fix comments.
2000-11-08Update.Ulrich Drepper1-2/+2
* catgets/gencat.c (main): Don't use exit() to avoid warnings with broken compilers. * include/features.h (__STDC_ISO_10646__): Correct value to be 200009L. Patch by Markus Kuhn <Markus.Kuhn@cl.cam.ac.uk>. 2000-11-08 H.J. Lu <hjl@gnu.org> * pwd/Versions (GLIBC_2.1.2): Add getpwnam_r. 2000-11-08 Jakub Jelinek <jakub@redhat.com> * string/bits/string2.h: Check if _USE_STRING_ARCH_ macros are defined, not _HAVE_STRING_ARCH_. * sysdeps/i386/bits/string.h (_USE_STRING_ARCH_memset, _USE_STRING_ARCH_strchr): Define. * sysdeps/i386/i486/bits/string.h (_USE_STRING_ARCH_memset, _USE_STRING_ARCH_strchr): Define. * sysdeps/sparc/bits/string.h: New file. 2000-11-08 Bruno Haible <haible@clisp.cons.org> * locale/C-translit.h.in: Tweak <U2014> result. * locale/C-translit.h: Regenerated. 2000-11-08 Ulrich Drepper <drepper@redhat.com> * posix/unistd.h: Add attribute((const)) to sysconf prototype.
2000-11-01Update.Ulrich Drepper1-2/+3
* string/bits/string2.h: Disable strstr optimizations for newer gcc versions. Patch by Joseph S. Myers <jsm28@cam.ac.uk>.
2000-10-30Update.Ulrich Drepper1-3/+4
* string/bits/string2.h (strspn): Evaluate first argument if second is "". (strpbrk): Likewise. * sysdeps/i386/i486/bits/string.h: Likewise. * string/Makefile (tests): Add bug-strspn1 and bug-strpbrk1. * string/bug-strspn1.c: New file. * string/bug-strpbrk1.c: New file. Test cases by Joseph S. Myers <jsm28@cam.ac.uk>. * string/bits/string2.h (strncat): Terminate string correctly. * sysdeps/i386/i486/bits/string.h (strncat): Likewise. * string/Makefile (tests): Add bug-strncat1. * string/bug-strncat1.c: New file. Test case by Joseph S. Myers <jsm28@cam.ac.uk>. 2000-10-27 Ben Collins <bcollins@debian.org> * sysdeps/generic/lockf.c (lockf): Set l_type to F_RDLCK before calling for F_GETLK. 2000-10-29 Ulrich Drepper <drepper@redhat.com>
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