From 24020ef9258267c5d65ab37dbf118bf52e4995d2 Mon Sep 17 00:00:00 2001 From: Stefan Liebler Date: Thu, 8 Oct 2015 12:40:02 +0200 Subject: [PATCH 21/30] S390: Optimize strchrnul and wcschrnul. upstream-commit-id: d23d4ef19f1f5463745f2af205acb8c4975fd680 https://www.sourceware.org/ml/libc-alpha/2015-07/msg00098.html This patch provides optimized versions of strchrnul and wcschrnul with the z13 vector instructions. ChangeLog: * sysdeps/s390/multiarch/strchrnul-c.c: New File. * sysdeps/s390/multiarch/strchrnul-vx.S: Likewise. * sysdeps/s390/multiarch/strchrnul.c: Likewise. * sysdeps/s390/multiarch/wcschrnul-c.c: Likewise. * sysdeps/s390/multiarch/wcschrnul-vx.S: Likewise. * sysdeps/s390/multiarch/wcschrnul.c: Likewise. * sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strchrnul and wcschrnul functions. * sysdeps/s390/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Add ifunc test for strchrnul, wcschrnul. * wcsmbs/wcschrnul.c: Use WCSCHRNUL if defined. * string/test-strchr.c: Add wcschrnul support. * wcsmbs/test-wcschrnul.c: New File. * wcsmbs/Makefile (strop-tests): Add wcschrnul. * benchtests/bench-strchr.c: Add wcschrnul support. * benchtests/bench-wcschrnul.c: New File. * benchtests/Makefile (wcsmbs-bench): Add wcschrnul. --- benchtests/Makefile | 2 +- benchtests/bench-strchr.c | 22 ++++++-- benchtests/bench-wcschrnul.c | 20 +++++++ string/test-strchr.c | 24 ++++++-- sysdeps/s390/multiarch/Makefile | 6 +- sysdeps/s390/multiarch/ifunc-impl-list.c | 3 + sysdeps/s390/multiarch/strchrnul-c.c | 26 +++++++++ sysdeps/s390/multiarch/strchrnul-vx.S | 93 ++++++++++++++++++++++++++++++ sysdeps/s390/multiarch/strchrnul.c | 28 +++++++++ sysdeps/s390/multiarch/wcschrnul-c.c | 25 ++++++++ sysdeps/s390/multiarch/wcschrnul-vx.S | 97 ++++++++++++++++++++++++++++++++ sysdeps/s390/multiarch/wcschrnul.c | 28 +++++++++ wcsmbs/Makefile | 2 +- wcsmbs/test-wcschrnul-ifunc.c | 20 +++++++ wcsmbs/test-wcschrnul.c | 20 +++++++ wcsmbs/wcschrnul.c | 5 ++ 16 files changed, 405 insertions(+), 16 deletions(-) create mode 100644 benchtests/bench-wcschrnul.c create mode 100644 sysdeps/s390/multiarch/strchrnul-c.c create mode 100644 sysdeps/s390/multiarch/strchrnul-vx.S create mode 100644 sysdeps/s390/multiarch/strchrnul.c create mode 100644 sysdeps/s390/multiarch/wcschrnul-c.c create mode 100644 sysdeps/s390/multiarch/wcschrnul-vx.S create mode 100644 sysdeps/s390/multiarch/wcschrnul.c create mode 100644 wcsmbs/test-wcschrnul-ifunc.c create mode 100644 wcsmbs/test-wcschrnul.c diff --git a/benchtests/Makefile b/benchtests/Makefile index bcb0288..d34bb3d 100644 --- a/benchtests/Makefile +++ b/benchtests/Makefile @@ -39,7 +39,7 @@ string-bench := bcopy bzero memccpy memchr memcmp memcpy memmem memmove \ strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \ strspn strstr strcpy_chk stpcpy_chk memrchr strsep strtok wcsmbs-bench := wcslen wcsnlen wcscpy wcpcpy wcsncpy wcpncpy wcscat wcsncat \ - wcsncmp wcsncmp wcschr + wcsncmp wcsncmp wcschr wcschrnul string-bench-all := $(string-bench) ${wcsmbs-bench} stdlib-bench := strtod diff --git a/benchtests/bench-strchr.c b/benchtests/bench-strchr.c index d432ba5..9b1aaf9 100644 --- a/benchtests/bench-strchr.c +++ b/benchtests/bench-strchr.c @@ -22,10 +22,14 @@ # define TEST_NAME "strchrnul" # else # define TEST_NAME "strchr" -# endif +# endif /* !USE_FOR_STRCHRNUL */ #else -# define TEST_NAME "wcschr" -#endif +# ifdef USE_FOR_STRCHRNUL +# define TEST_NAME "wcschrnul" +# else +# define TEST_NAME "wcschr" +# endif /* !USE_FOR_STRCHRNUL */ +#endif /* WIDE */ #include "bench-string.h" #ifndef WIDE @@ -44,20 +48,26 @@ # define UCHAR unsigned char #else # include -# define STRCHR wcschr +# ifdef USE_FOR_STRCHRNUL +# define STRCHR wcschrnul +# define stupid_STRCHR stupid_WCSCHRNUL +# define simple_STRCHR simple_WCSCHRNUL +# else +# define STRCHR wcschr +# endif /* !USE_FOR_STRCHRNUL */ # define STRLEN wcslen # define CHAR wchar_t # define BIG_CHAR WCHAR_MAX # define MIDDLE_CHAR 1121 # define SMALL_CHAR 851 # define UCHAR wchar_t -#endif +#endif /* WIDE */ #ifdef USE_FOR_STRCHRNUL # define NULLRET(endptr) endptr #else # define NULLRET(endptr) NULL -#endif +#endif /* !USE_FOR_STRCHRNUL */ typedef CHAR *(*proto_t) (const CHAR *, int); diff --git a/benchtests/bench-wcschrnul.c b/benchtests/bench-wcschrnul.c new file mode 100644 index 0000000..124b602 --- /dev/null +++ b/benchtests/bench-wcschrnul.c @@ -0,0 +1,20 @@ +/* Measure wcschrnul functions. + Copyright (C) 2015 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#define WIDE 1 +#include "bench-strchrnul.c" diff --git a/string/test-strchr.c b/string/test-strchr.c index b84e138..1cd14d7 100644 --- a/string/test-strchr.c +++ b/string/test-strchr.c @@ -26,8 +26,12 @@ # define TEST_NAME "strchr" # endif #else -# define TEST_NAME "wcschr" -#endif +# ifdef USE_FOR_STRCHRNUL +# define TEST_NAME "wcschrnul" +# else +# define TEST_NAME "wcschr" +# endif /* !USE_FOR_STRCHRNUL */ +#endif /* WIDE */ #include "test-string.h" #ifndef WIDE @@ -44,15 +48,23 @@ # define MIDDLE_CHAR 127 # define SMALL_CHAR 23 # define UCHAR unsigned char +# define L(s) s #else # include -# define STRCHR wcschr +# ifdef USE_FOR_STRCHRNUL +# define STRCHR wcschrnul +# define stupid_STRCHR stupid_WCSCHRNUL +# define simple_STRCHR simple_WCSCHRNUL +# else +# define STRCHR wcschr +# endif /* !USE_FOR_STRCHRNUL */ # define STRLEN wcslen # define CHAR wchar_t # define BIG_CHAR WCHAR_MAX # define MIDDLE_CHAR 1121 # define SMALL_CHAR 851 # define UCHAR wchar_t +# define L(s) L ## s #endif #ifdef USE_FOR_STRCHRNUL @@ -219,9 +231,9 @@ do_random_tests (void) static void check1 (void) { - char s[] __attribute__((aligned(16))) = "\xff"; - char c = '\xfe'; - char *exp_result = stupid_STRCHR (s, c); + CHAR s[] __attribute__((aligned(16))) = L ("\xff"); + CHAR c = L ('\xfe'); + CHAR *exp_result = stupid_STRCHR (s, c); FOR_EACH_IMPL (impl, 0) check_result (impl, s, c, exp_result); diff --git a/sysdeps/s390/multiarch/Makefile b/sysdeps/s390/multiarch/Makefile index 1a3673b..b6b64c9 100644 --- a/sysdeps/s390/multiarch/Makefile +++ b/sysdeps/s390/multiarch/Makefile @@ -9,7 +9,8 @@ sysdep_routines += strlen strlen-vx strlen-c \ strncat strncat-vx strncat-c \ strcmp strcmp-vx \ strncmp strncmp-vx strncmp-c \ - strchr strchr-vx strchr-c + strchr strchr-vx strchr-c \ + strchrnul strchrnul-vx strchrnul-c endif ifeq ($(subdir),wcsmbs) @@ -23,5 +24,6 @@ sysdep_routines += wcslen wcslen-vx wcslen-c \ wcsncat wcsncat-vx wcsncat-c \ wcscmp wcscmp-vx wcscmp-c \ wcsncmp wcsncmp-vx wcsncmp-c \ - wcschr wcschr-vx wcschr-c + wcschr wcschr-vx wcschr-c \ + wcschrnul wcschrnul-vx wcschrnul-c endif diff --git a/sysdeps/s390/multiarch/ifunc-impl-list.c b/sysdeps/s390/multiarch/ifunc-impl-list.c index b0782ff..ea474a8 100644 --- a/sysdeps/s390/multiarch/ifunc-impl-list.c +++ b/sysdeps/s390/multiarch/ifunc-impl-list.c @@ -112,6 +112,9 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, IFUNC_VX_IMPL (strchr); IFUNC_VX_IMPL (wcschr); + IFUNC_VX_IMPL (strchrnul); + IFUNC_VX_IMPL (wcschrnul); + #endif /* HAVE_S390_VX_ASM_SUPPORT */ return i; diff --git a/sysdeps/s390/multiarch/strchrnul-c.c b/sysdeps/s390/multiarch/strchrnul-c.c new file mode 100644 index 0000000..7615217 --- /dev/null +++ b/sysdeps/s390/multiarch/strchrnul-c.c @@ -0,0 +1,26 @@ +/* Default strchrnul implementation for S/390. + Copyright (C) 2015 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc +# define STRCHRNUL __strchrnul_c +# define __strchrnul STRCHRNUL +# undef weak_alias +# define weak_alias(name, alias) + +# include +#endif diff --git a/sysdeps/s390/multiarch/strchrnul-vx.S b/sysdeps/s390/multiarch/strchrnul-vx.S new file mode 100644 index 0000000..2c5f167 --- /dev/null +++ b/sysdeps/s390/multiarch/strchrnul-vx.S @@ -0,0 +1,93 @@ +/* Vector optimized 32/64 bit S/390 version of strchrnul. + Copyright (C) 2015 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc + +# include "sysdep.h" +# include "asm-syntax.h" + + .text + +/* char *strchrnul (const char *s, int c) + Returns pointer to first c or to \0 if c not found. + + Register usage: + -r1=tmp + -r2=s and return pointer + -r3=c + -r4=tmp + -r5=current_len + -v16=part of s + -v18=vector with c replicated in every byte +*/ +ENTRY(__strchrnul_vx) + .machine "z13" + .machinemode "zarch_nohighgprs" + + vlbb %v16,0(%r2),6 /* Load s until next 4k-byte boundary. */ + lcbb %r1,0(%r2),6 /* Get bytes to 4k-byte boundary or 16. */ + + lghi %r5,0 /* current_len = 0. */ + + vlvgb %v18,%r3,0 /* Generate vector which elements are all c. + If c > 255, c will be truncated. */ + vrepb %v18,%v18,0 + + vfeezbs %v16,%v16,%v18 /* Find element equal with zero search. */ + vlgvb %r4,%v16,7 /* Load byte index of character or zero. */ + clrjl %r4,%r1,.Lfound /* Return if c/zero is in loaded bytes. */ + + /* Align s to 16 byte. */ + risbgn %r4,%r2,60,128+63,0 /* %r3 = bits 60-63 of %r2 'and' 15. */ + lghi %r5,16 /* current_len = 16. */ + slr %r5,%r4 /* Compute bytes to 16bytes boundary. */ + + /* Find c/zero in 16byte aligned loop */ +.Lloop: + vl %v16,0(%r5,%r2) /* Load s */ + vfeezbs %v16,%v16,%v18 /* Find element equal with zero search. */ + jno .Lfound /* Found c/zero (cc=0|1|2). */ + vl %v16,16(%r5,%r2) + vfeezbs %v16,%v16,%v18 + jno .Lfound16 + vl %v16,32(%r5,%r2) + vfeezbs %v16,%v16,%v18 + jno .Lfound32 + vl %v16,48(%r5,%r2) + vfeezbs %v16,%v16,%v18 + jno .Lfound48 + + aghi %r5,64 + j .Lloop /* No character and no zero -> loop. */ + + /* Found character or zero */ +.Lfound48: + aghi %r5,16 +.Lfound32: + aghi %r5,16 +.Lfound16: + aghi %r5,16 +.Lfound: + vlgvb %r1,%v16,7 /* Load byte index of character. */ + algr %r5,%r1 + la %r2,0(%r5,%r2) /* Return pointer to character. */ + +.Lend: + br %r14 +END(__strchrnul_vx) +#endif /* HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc */ diff --git a/sysdeps/s390/multiarch/strchrnul.c b/sysdeps/s390/multiarch/strchrnul.c new file mode 100644 index 0000000..73fcf19 --- /dev/null +++ b/sysdeps/s390/multiarch/strchrnul.c @@ -0,0 +1,28 @@ +/* Multiple versions of strchrnul. + Copyright (C) 2015 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc +# include +# include + +s390_vx_libc_ifunc (__strchrnul) +weak_alias (__strchrnul, strchrnul) + +#else +# include +#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc) */ diff --git a/sysdeps/s390/multiarch/wcschrnul-c.c b/sysdeps/s390/multiarch/wcschrnul-c.c new file mode 100644 index 0000000..31fa416 --- /dev/null +++ b/sysdeps/s390/multiarch/wcschrnul-c.c @@ -0,0 +1,25 @@ +/* Default wcschrnul implementation for S/390. + Copyright (C) 2015 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc +# define WCSCHRNUL __wcschrnul_c + +# include +extern __typeof (__wcschrnul) __wcschrnul_c; +# include +#endif diff --git a/sysdeps/s390/multiarch/wcschrnul-vx.S b/sysdeps/s390/multiarch/wcschrnul-vx.S new file mode 100644 index 0000000..a89aee0 --- /dev/null +++ b/sysdeps/s390/multiarch/wcschrnul-vx.S @@ -0,0 +1,97 @@ +/* Vector optimized 32/64 bit S/390 version of wcschrnul. + Copyright (C) 2015 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc + +# include "sysdep.h" +# include "asm-syntax.h" + + .text + +/* wchar_t* wcschrnul (const wchar_t *s, wchar_t c) + Returns pointer to first c or to \0 if c not found. + + Register usage: + -r1=tmp + -r2=s and return pointer + -r3=c + -r4=tmp + -r5=current_len + -v16=part of s + -v18=vector with c replicated in every byte +*/ +ENTRY(__wcschrnul_vx) + .machine "z13" + .machinemode "zarch_nohighgprs" + + vlbb %v16,0(%r2),6 /* Load s until next 4k-byte boundary. */ + lcbb %r1,0(%r2),6 /* Get bytes to 4k-byte boundary or 16. */ + + tmll %r2,3 /* Test if s is 4-byte aligned? */ + jne .Lfallback /* And use common-code variant if not. */ + + lghi %r5,0 /* current_len = 0. */ + + vlvgf %v18,%r3,0 /* Generate vector which elements are all c. */ + vrepf %v18,%v18,0 + + vfeezfs %v16,%v16,%v18 /* Find element equal with zero search. */ + vlgvb %r4,%v16,7 /* Load byte index of character or zero. */ + clrjl %r4,%r1,.Lfound /* Return if c/zero is in loaded bytes. */ + + /* Align s to 16 byte. */ + risbgn %r4,%r2,60,128+63,0 /* %r3 = bits 60-63 of %r2 'and' 15. */ + lghi %r5,16 /* current_len = 16. */ + slr %r5,%r4 /* Compute bytes to 16bytes boundary. */ + + /* Find c/zero in 16byte aligned loop */ +.Lloop: + vl %v16,0(%r5,%r2) /* Load s. */ + vfeezfs %v16,%v16,%v18 /* Find element equal with zero search. */ + jno .Lfound /* Found c/zero (cc=0|1|2). */ + vl %v16,16(%r5,%r2) + vfeezfs %v16,%v16,%v18 + jno .Lfound16 + vl %v16,32(%r5,%r2) + vfeezfs %v16,%v16,%v18 + jno .Lfound32 + vl %v16,48(%r5,%r2) + vfeezfs %v16,%v16,%v18 + jno .Lfound48 + + aghi %r5,64 + j .Lloop /* No character and no zero -> loop. */ + + /* Found character or zero */ +.Lfound48: + aghi %r5,16 +.Lfound32: + aghi %r5,16 +.Lfound16: + aghi %r5,16 +.Lfound: + vlgvb %r1,%v16,7 /* Load byte index of character. */ + algr %r5,%r1 + la %r2,0(%r5,%r2) /* Return pointer to character. */ + +.Lend: + br %r14 +.Lfallback: + jg __wcschrnul_c +END(__wcschrnul_vx) +#endif /* HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc */ diff --git a/sysdeps/s390/multiarch/wcschrnul.c b/sysdeps/s390/multiarch/wcschrnul.c new file mode 100644 index 0000000..644258b --- /dev/null +++ b/sysdeps/s390/multiarch/wcschrnul.c @@ -0,0 +1,28 @@ +/* Multiple versions of wcschrnul. + Copyright (C) 2015 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#if defined HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc +# include +# include + +s390_vx_libc_ifunc (__wcschrnul) +weak_alias (__wcschrnul, wcschrnul) + +#else +# include +#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && !defined NOT_IN_libc) */ diff --git a/wcsmbs/Makefile b/wcsmbs/Makefile index 611b2c9..de3635d 100644 --- a/wcsmbs/Makefile +++ b/wcsmbs/Makefile @@ -42,7 +42,7 @@ routines := wcscat wcschr wcscmp wcscpy wcscspn wcsdup wcslen wcsncat \ mbrtoc16 c16rtomb strop-tests := wcscmp wcsncmp wmemcmp wcslen wcschr wcsrchr wcscpy wcsnlen \ - wcpcpy wcsncpy wcpncpy wcscat wcsncat + wcpcpy wcsncpy wcpncpy wcscat wcsncat wcschrnul tests := tst-wcstof wcsmbs-tst1 tst-wcsnlen tst-btowc tst-mbrtowc \ tst-wcrtomb tst-wcpncpy tst-mbsrtowcs tst-wchar-h tst-mbrtowc2 \ tst-c16c32-1 wcsatcliff $(addprefix test-,$(strop-tests)) diff --git a/wcsmbs/test-wcschrnul-ifunc.c b/wcsmbs/test-wcschrnul-ifunc.c new file mode 100644 index 0000000..e64a1e4 --- /dev/null +++ b/wcsmbs/test-wcschrnul-ifunc.c @@ -0,0 +1,20 @@ +/* Test and measure IFUNC implementations of wcschrnul function. + Copyright (C) 2015 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#define TEST_IFUNC 1 +#include "test-wcschrnul.c" diff --git a/wcsmbs/test-wcschrnul.c b/wcsmbs/test-wcschrnul.c new file mode 100644 index 0000000..baea763 --- /dev/null +++ b/wcsmbs/test-wcschrnul.c @@ -0,0 +1,20 @@ +/* Test wcschrnul functions. + Copyright (C) 2015 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#define WIDE 1 +#include "../string/test-strchrnul.c" diff --git a/wcsmbs/wcschrnul.c b/wcsmbs/wcschrnul.c index 04db8f1..1e4c44f 100644 --- a/wcsmbs/wcschrnul.c +++ b/wcsmbs/wcschrnul.c @@ -17,6 +17,9 @@ #include +#ifdef WCSCHRNUL +# define __wcschrnul WCSCHRNUL +#endif /* Find the first occurrence of WC in WCS. */ wchar_t * @@ -32,4 +35,6 @@ __wcschrnul (wcs, wc) return (wchar_t *) wcs; } +#ifndef WCSCHRNUL weak_alias (__wcschrnul, wcschrnul) +#endif -- 2.3.0