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48 Commits

Author SHA1 Message Date
Yaakov Selkowitz 9f90ae0435 Feature test macros overhaul: string.h and strings.h overlaps 
strings.h is the header mandated for these functions in POSIX.1 prior to
2008 (when most of these were removed).  The declarations in string.h are
only for BSD compatibility.  But when both headers are included, avoid
duplicate declarations.

Also, mark stpcpy and stpncpy as POSIX.1-2008.

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
 2016-04-13 23:50:11 -05:00
Sebastian Huber 55c239d834 Add timingsafe_memcmp() 
This function is used by LibreSSL and OpenSSH and is provided by the
OpenBSD libc.

	* libc/include/string.h (timingsafe_memcmp): Declare.
	* libc/string/timingsafe_memcmp.c: New file.
	* libc/string/Makefile.am: Add new file.
	* libc/string/Makefile.in: Regenerate.
 2016-03-18 12:33:40 +01:00
Sebastian Huber 559fd77dda Add timingsafe_bcmp() 
This function is used by LibreSSL and OpenSSH and is provided by the
OpenBSD libc.

	* libc/include/string.h (timingsafe_bcmp): Declare.
	* libc/string/timingsafe_bcmp.c: New file.
	* libc/string/Makefile.am: Add new file.
	* libc/string/Makefile.in: Regenerate.
 2016-03-18 12:33:40 +01:00
Sebastian Huber 8740fa7fd0 Add explicit_bzero() 
This function is used by LibreSSL and OpenSSH and is provided by the
OpenBSD libc.

	* libc/include/string.h (explicit_bzero): Declare.
	* libc/string/explicit_bzero.c: New file.
	* libc/string/Makefile.am: Add new file.
	* libc/string/Makefile.in: Regenerate.
 2016-03-18 12:33:40 +01:00
Yaakov Selkowitz 615d63599b Feature test macros overhaul: string.h 
Throughout, remove __STRICT_ANSI__ and use the proper internal macros.

bcmp, bcopy, bzero, index, and rindex were in POSIX prior to 2008.

memrchr is GNU.

strdup and strndup are POSIX.1-2008.

The int-returning form of strerror_r is POSIX.1-2001.

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
 2016-03-17 21:09:07 -05:00
Yaakov Selkowitz 79e419de62 Rework handling of basename variants 
As a commonly-included header, the #define basename in <string.h> can
affect code which uses "basename" for its own purposes (e.g. struct
members or C++ namespaced functions).  When such cases occur and some
code includes <string.h> and some not, then errors result.  OTOH,
<libgen.h> is rarely used, and that's where the renaming occurs in
glibc, so code using <libgen.h> should already be safe.

* libc/include/libgen.h (basename): Define as __xpg_basename
for source compatibility with glibc.
Declare with __ASMNAME("basename") for ABI compatibility.
* libc/include/string.h (basename): Define as basename for
source compatibility with glibc.
Declare with __ASMNAME("__gnu_basename") for ABI compatibility.
 2015-07-06 14:58:51 -05:00
Corinna Vinschen 97a5dda2b0 Fix basename prototype collision string.h vs libgen.h 
* libc/include/libgen.h (basename): Drop defining _BASENAME_DEFINED.
        Always define macro basename.  Add comment to explain why.
        * libc/include/string.h (basename): Check for basename instead of
        _BASENAME_DEFINED.  Drop __GNUC__ branch, always use basename macro.
        Change comment to explain why.  Add nonnull function attribute.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 2015-04-23 22:03:45 +02:00
Yaakov Selkowitz d67052321e string: add GNU basename(3) 
* libc/include/libgen.h (_BASENAME_DEFINED): Define.
* libc/include/string.h (basename): Declare.
* libc/string/Makefile.am (ELIX_4_SOURCES): Add gnu_basename.c.
* libc/string/Makefile.in: Regenerate.
* libc/string/gnu_basename.c: New file.
 2015-04-23 21:57:07 +02:00
Nick Clifton b9e7cd9a84 * libc/include/complex.h (cabsl): Add prototype. 
(cimagl): Add prototype.
	(creall): Add prototype.
	* libc/include/ieeefp.h: Include float.h.
	(EXT_EXPBITS, EXT_FRACHBITS, EXT_FRACLBITS)
	(EXT_EXP_INFNAN. EXT_EXP_BIAS, EXT_FRACBITS): Define.
	(struct ieee_ext, union ieee_ext_u): New types for long double
	support.
	* libc/include/math.h (finitel): Add prototype.
	(hypotl): Add prototype.
	(sqrtl): Add prototype.
	* libm/common/Makefile.am (lsrc): Add sl_finite.c.
	* libm/common/Makefile.in: Regenerate.
	* libm/common/fdlibm.h (__ieee754_hypotl): Add prototype.
	* libm/common/hypotl.c (hypotl): Add implementation for when long
	double is larger than double.
	* libm/common/sqrtl.c (sqrtl): Likewise.
	* libm/common/sl_finite.c: New file.  Adds implementation of the
	finitel function.
	* libm/complex/Makefile.am (lsrc): Define.
	(libcomplex_la_SOURCES): Add lsrc.
	(lib_a_SOURCES): Add lsrc.
	* libm/complex/Makefile.in: Regenerate.
	* libm/complex/cabs.c: Add documentation of cabsl function.
	* libm/complex/cimag.c: Add documentation of cimagl function.
	* libm/complex/creall.c: Add documentation of creall function.
	* libm/complex/cabsl.c: New file.  Adds implementation of the
	cabsl function.
	* libm/complex/cimagl.c: New file.  Adds implementation of the
	cimagl function.
	* libm/complex/creall.c: New file.  Adds implementation of the
	creall function.
	* libm/math/Makefile.am (lsrc): Define.
	(libmath_la_SOURCES): Add lsrc.
	(lib_a_SOURCES): Add lsrc.
	* libm/math/Makefile.in: Regenerate.
	* libm/math/el_hypot.c: New file.  Adds implementation of the
	__ieee754_hypotl function.
 2015-02-06 16:14:04 +00:00
Jon TURNEY e7ebfb119e 2014-10-29 Jon Turney <jon.turney@dronecode.org.uk> 
* libc/include/string.h: Correct guard for strcasecmp().
 2014-10-30 11:25:17 +00:00
Corinna Vinschen da77c6d1e5 * libc/include/string.h (ffsl): Declare as GNU function. 
(ffsll): Ditto.
 2014-10-08 21:04:59 +00:00
Jeff Johnston ad9ed96b6b 2014-09-17 Joel Sherrill <joel.sherrill@oarcorp.com> 
Thomas Uhle <thomas.uhle@eas.iis.fraunhofer.de>

        * libc/include/string.h: Correct guard for strnlen().
 2014-09-16 19:59:01 +00:00
Joel Sherrill 81c17949f0 2014-08-18 Joel Sherrill <joel.sherrill@oarcorp.com> 
* libc/include/string.h: Improve language and OS standard guards.
 2014-08-18 14:18:10 +00:00
Corinna Vinschen b143d094ee * libc/sys/linux/include/netdb.h, libc/sys/linux/net/getaddrinfo.c, 
libc/sys/linux/net/getnameinfo.c: Add restrict keyword to getnameinfo()
	and getaddrinfo() to increase standards compliance and match glibc.

	* libc/include/string.h, libc/string/memccpy.c, libc/string/memcpy.c,
	libc/string/stpcpy.c, libc/string/stpncpy.c, libc/string/strcat.c,
	libc/string/strncat.c, libc/string/strncpy.c, libc/string/strtok.c,
	libc/string/strtok_r.c, libc/string/strxfrm.c
	libc/machine/microblaze/strcpy.c, libc/machine/xscale/memcpy.c,
	libc/machine/cris/memcpy.c: Add __restrict to prototype to
	increase standards compliance.
 2013-07-23 07:05:31 +00:00
Yaakov Selkowitz e3928ce48c * libc/include/string.h (rawmemchr): Declare. 
* libc/string/Makefile.am (ELIX_4_SOURCES): Add rawmemchr.c.
(CHEWOUT_FILES): Add rawmemchr.def.
* libc/string/Makefile.in: Regenerate.
* libc/string/rawmemchr.c: New file.
 2013-06-24 15:11:24 +00:00
Corinna Vinschen 38305196bf * libc/include/string.h: Fix preprocessor expressions using 
_XOPEN_SOURCE.
 2013-01-12 10:55:09 +00:00
Corinna Vinschen de1e3bb2c9 * libc/include/locale.h (NULL): Fetch definition via stddef.h. 
* libc/include/stdio.h (NULL): Ditto.
	* libc/include/stdlib.h (NULL): Ditto.
	* libc/include/string.h (NULL): Ditto.
	* libc/include/wchar.h (NULL): Ditto.
	* libc/include/rpc/types.h (NULL): Ditto.
	* libc/include/time.h (NULL): Ditto.  Include stddef.h earlier.
 2012-11-01 11:51:12 +00:00
Corinna Vinschen 6f7ae529ad * libc/include/string.h (strdup, strndup): Declare if not 
__STRICT_ANSI__ or _XOPEN_SOURCE is defined appropriately.
 2012-10-22 15:16:48 +00:00
Corinna Vinschen 507b172d8d * libc/include/string.h (memrchr): Declare. 
* libc/string/Makefile.am (ELIX_4_SOURCES): Add memrchr.c.
	(CHEWOUT_FILES): Add memrchr.def.
	* libc/string/Makefile.in: Regenerate.
	* libc/string/memrchr.c: New file.
 2012-05-10 08:34:08 +00:00
Jeff Johnston 38e356f0e4 2011-06-09 Yaakov Selkowitz <yselkowitz@...> 
* libc/include/string.h (strdupa): New macro function.
        (strndupa): New macro function.
 2011-06-10 18:30:38 +00:00
Eric Blake 4805b60ccf strerror: allow user hook to comply with POSIX rules 
* libc/string/strerror.c (strerror): Split body into...
(_strerror_r): ...new reentrant function.
* libc/string/u_strerr.c (_user_strerror): Update signature.
* libc/include/stdio.h (_strerror_r): New prototype.
* libc/posix/collate.c (__collate_err): Adjust callers.
* libc/stdio/perror.c (_perror_r): Likewise.
* libc/string/strerror_r.c (strerror_r): Likewise.
* libc/string/xpg_strerror_r.c (__xpg_strerror_r): Likewise.
 2011-05-25 18:41:10 +00:00
Corinna Vinschen 43ff4129ce * libc/include/string.h (strchrnul): Declare. 
* libc/string/strchrnul.c: New file.
	* libc/string/Makefile.am (ELIX_2_SOURCES): Add strchrnul.c.
	* libc/string/Makefile.in: Regenerate.
 2011-03-28 14:51:28 +00:00
Corinna Vinschen 4b43b20be8 * libc/include/string.h: Include sys/cdefs.h. 2011-03-03 11:11:41 +00:00
Corinna Vinschen 977cd4175e * libc/include/sys/cdefs.h (__CONCAT1): Define. 
(__CONCAT): Define.
	(__STRING): Define.
	(__XSTRING): Define.
	(__ASMNAME): Define.
	* libc/include/string.h (strerror_r): Use __ASMNAME to take target
	specific label prefixes into account.
 2011-03-03 10:37:09 +00:00
Eric Blake 7c10a76dec strerror_r: provide POSIX implementation 
* libc/include/string.h (strerror_r): Update declaration.
* libc/string/strerror.c (strerror): Update documentation.
* libc/string/strerror_r.c (strerror_r): Always return
NUL-terminated string; don't overwrite too-short buf.
* libc/string/xpg_strerror_r.c (__xpg_strerror_r): Implement POSIX
variant.
* libc/string/Makefile.am (GENERAL_SOURCES): Build new file.
* libc/string/Makefile.in: Regenerate.
 2011-02-10 16:48:18 +00:00
Corinna Vinschen 84ca64afa6 * libc/include/string.h: Make strsignal() available unconditionally. 2011-01-10 10:59:42 +00:00
Eric Blake 8fa475e4b1 Per Posix, strsignal returns non-const char*. 
* libc/include/string.h (strsignal): Fix return type.
 2008-06-18 15:27:41 +00:00
Eric Blake 40617efc8b Make strstr and strcasestr O(n), not O(n^2); add memmem. 
* libc/string/str-two-way.h: New file.
* libc/string/memmem.c (memmem): New file.
* libc/include/string.h (memmem): Declare for all platforms.
* libc/string/strstr.c (strstr): Provide O(n) implementation when
not optimizing for space.
* libc/string/strcasestr.c (strcasestr): Likewise.
* libc/string/Makefile.am (ELIX_SOURCES): Rename to...
(ELIX_2_SOURCES): ...this.
(ELIX_4_SOURCES): New category, for memmem.
(lib_a_SOURCES, libstring_la_SOURCES): Build new file.
(CHEWOUT_FILES): Build documentation for memmem.
* libc/string/strings.tex: Include new docs.
 2008-01-12 04:25:55 +00:00
Corinna Vinschen 5d8b97a694 * libc/include/string.h: Add prototypes for stpcpy and stpncpy. 
* libc/string/Makefile.am (ELIX_SOURCES): Add stpcpy.c and
	stpncpy.c.
	(CHEWOUT_FILES): Add stpcpy.def and stpncpy.def.
	* libc/string/Makefile.in: Regenerate.
	* libc/string/stpcpy.c: New file.
	* libc/string/stpncpy.c: New file.
	* libc/string/strings.tex: Add stpcpy and stpncpy.
 2007-06-28 17:07:23 +00:00
Jeff Johnston 6fb374754d 2007-06-08 Jeff Johnston <jjohnstn@redhat.com> 
* libc/string/strcasestr.c: New file.
        * libc/include/string.h: Add strcasestr.
        * libc/string/strings.tex: Add strcasestr.
        * libc/string/Makefile.am: Ditto.
        * libc/string/Makefile.in: Regenerated.
 2007-06-08 18:38:51 +00:00
Christopher Faylor 86c6c4212f * libc/include/string.h: Add cygwin-specific function declaration. 2005-11-08 22:10:33 +00:00
Christopher Faylor dbeee890d4 * libc/include/string.h: Revert previous change. 2005-08-26 04:33:02 +00:00
Christopher Faylor 377d3ea0e2 * libc/include/string.h: For Cygwin, Define strerror_r as per ISO C. 2005-08-25 23:02:24 +00:00
Jeff Johnston dbfa92dd94 2005-01-24 Jeff Johnston <jjohnstn@redhat.com> 
* libc/include/string.h: Remove Linux-specific declaration of
        strsignal and add #include <sys/string.h>.
        * libc/include/sys/string.h: New file.
        * libc/include/sys/linux/sys/string.h: New file with strsignal
        declaration deleted above.
 2005-01-24 18:46:09 +00:00
Jeff Johnston d254189b38 2002-07-23 Jeff Johnston <jjohnstn@redhat.com> 
* libc/include/string.h: Add mempcpy, strndup, and _strndup_r
        prototypes.
        * libc/stdlib/Makefile.am: Remove strdup.c and strdup_r.c.
        * libc/stdlib/Makefile.in: Regenerated.
        * libc/stdlib/strdup.c: Removed.
        * libc/stdlib/strdup_r.c: Removed.
        * libc/string/Makefile.am: Add strdup.c, strdup_r.c, memccpy.c,
        mempcpy.c, strndup.c, and strndup_r.c.
        * libc/string/Makefile.in: Regenerated.
        * libc/string/memccpy.c: New file.
        * libc/string/mempcpy.c: Ditto.
        * libc/string/strndup.c: Ditto.
        * libc/string/strndup_r.c: Ditto.
        * libc/string/strdup.c: New file moved from stdlib.
        * libc/string/strdup_r.c: Ditto.
        * libc/string/strings.tex: Add memccpy and mempcpy documentation.
 2002-07-23 21:38:00 +00:00
Jeff Johnston c1a3171f2d 2002-06-27 Benjamin Kosnik <bkoz@redhat.com> 
* libc/include/stdio.h: Untangle, add _BEGIN_STD_C and _END_STD_C.
        * libc/include/time.h: Same.
        * libc/include/string.h: Same.
        * libc/include/stdlib.h: Same.
        * libc/include/signal.h: Same.
        * libc/include/setjmp.h: Same.
        * libc/include/math.h: Same.
        * libc/include/locale.h: Same.
        * libc/include/ctype.h: Same.
        * libc/include/machine/setjmp.h: Same.
        * libc/include/_ansi.h (_BEGIN_STD_C): Add.
        (_END_STD_C): Add.
 2002-06-27 23:58:38 +00:00
Jeff Johnston 39e65e0113 2002-06-05 Jeff Johnston <jjohnstn@redhat.com> 
* libc/include/string.h[__linux__]: Add strsignal prototype.
        * libc/include/sys/lock.h: New file with default locking support.
        * libc/include/sys/reent.h: Add signal buffer support for strsignal
        and psignal.
        * libc/posix/Makefile.am: Add support for readdir_r.c.
        * libc/posix/Makefile.in: Regenerated.
        * libc/posix/closedir.c: Add locking support and hash table cleanup.
        * libc/posix/opendir.c: Add lock support.
        * libc/posix/readdir.c: Ditto.
        * libc/posix/rewinddir.c: Ditto.
        * libc/posix/scandir.c: Ditto.
        * libc/posix/seekdir.c: Ditto.
        * libc/posix/telldir.c: Ditto plus add _cleanupdir routine to
        clean up leftover hash table entries.
        * libc/posix/readdir_r.c: New file.
        * libc/sys/linux/Makefile.am: Add psignal.c and strsignal.c support.
        * libc/sys/linux/Makefile.in: Regenerated.
        * libc/sys/linux/sys/dirent.h: Add dd_lock to DIR structure.
        * libc/sys/linux/sys/signal.h: Add psignal prototype.
        * libc/sys/linux/psignal.c: New file.
        * libc/sys/linux/strsignal.c: Ditto.
 2002-06-05 20:58:59 +00:00
Jeff Johnston d29587b478 2002-05-24 Jeff Johnston <jjohnstn@redhat.com> 
* libc/include/string.h: Add strnlen and strerror_r prototypes.
        * libc/string/Makefile.am: Add strnlen.c and strerror_r.c support.
        * libc/string/Makefile.in: Regenerated.
        * libc/string/strerror_r.c: New file.
        * libc/string/strnlen.c: New file.
        * libc/sys/linux/Makefile.am: Add rename.c.
        * libc/sys/linux/Makefile.in: Regenerated.
        * libc/sys/linux/rename.c: New file to override default rename.
 2002-05-24 23:44:39 +00:00
Jeff Johnston afe5651795 2002-05-23 Jeff Johnston <jjohnstn@redhat.com> 
* libc/include/string.h (bcmp, bcopy, bzero): Change prototypes
        to use void * pointers and comply with Single Unix spec.
        * libc/string/bcmp.c: Change to use void * instead of char *.
        * libc/string/bcopy.c: Ditto.
        * libc/string/bzero.c: Ditto.
 2002-05-23 18:46:04 +00:00
Thomas Fitzsimmons 7d2ce8983d 2002-05-10 Mark Bradshaw <bradshaw@staff.crosswalk.com> 
* libc/include/string.h (!__STRICT_ANSI__): Add strlcat and strlcpy.
	* libc/string/Makefile.am: Add strlcat.c and strlcpy.c.
	* libc/string/strlcat.c: New file.
	* libc/string/strlcpy.c: New file.
 2002-05-13 19:33:01 +00:00
Geoffrey Keating 44e36af42b * libc/string/swab.c: Specify that it's defined in <unistd.h>. 
* libc/include/string.h: Don't include <sys/types.h>,
	as it causes really bad namespace pollution.  Don't declare
	swab(), it is properly declared in unistd.h.
 2000-08-30 18:30:16 +00:00
Christopher Faylor d51d968a80 * libc/include/string.h: Work around problem with strsignal and gdb. 2000-06-03 03:03:03 +00:00
Christopher Faylor d2dd57657c * libc/include/ctype.h: __CYGWIN32__ -> __CYGWIN__ 
* libc/include/malloc.h: Ditto.
* libc/include/process.h: Ditto.
* libc/include/stdio.h: Ditto.
* libc/include/stdlib.h: Ditto.
* libc/include/time.h: Ditto.
* libc/include/machine/setjmp.h: Ditto.
* libc/include/sys/errno.h: Ditto.
* libc/include/sys/signal.h: Ditto.
* libc/include/sys/stat.h: Ditto.
* libc/include/sys/time.h: Ditto.
* libc/include/sys/unistd.h: Ditto.
* libc/include/string.h: Ditto.  strsignal should return a const char *.
 2000-05-30 17:18:05 +00:00
Jeff Johnston 5ed2f523e5 Fri Mar 10 16:09:20 2000 Jeff Johnston <jjohnstn@cygnus.com> 
* libc/include/string.h: Include <sys/types.h>.
 2000-03-10 21:13:28 +00:00
Jeff Johnston e9c9497815 Thu Mar 9 17:20:41 2000 Jeff Johnston <jjohnstn@cygnus.com> 
* libc/include/string.h: Changed last argument back to ssize_t
        to make it compatible with XPG4 definition which is
        defined in <unistd.h>.  There is a conflict in the SVID 3
        and XPG4 definitions and newlib will settle with XPG4.
        * libc/string/swab.c: Ditto.
 2000-03-09 22:25:01 +00:00
Jeff Johnston 3072163c0f Wed Mar 8 17:11:41 2000 Jeff Johnston <jjohnstn@cygnus.com> 
* libc/include/string.h: Changed last argument to size_t.
        * libc/string/swab.c: Changed last argument to size_t.
 2000-03-08 22:16:06 +00:00
Alexandre Oliva 85dd2e5b73 * libc/string/Makefile.am (lib_a_SOURCES): Added swab.c. 
(CHEWOUT_FILES): Added swab.def.
* libc/string/Makefile.in: Rebuilt.
* libc/string/string.tex: Include swab.def.
* libc/include/string.h (swab): Declare.
* libc/string/swab.c: New file.
 2000-03-08 03:46:01 +00:00
Christopher Faylor 8a0efa53e4 import newlib-2000-02-17 snapshot 2000-02-17 19:39:52 +00:00