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https://sourceware.org/git/glibc.git
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d20dce250a
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.
477 lines
12 KiB
C
477 lines
12 KiB
C
/* Copyright (C) 1999-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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/* <bits/string.h> and <bits/string2.h> declare some extern inline
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functions. These functions are declared additionally here if
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inlining is not possible. */
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#undef __USE_STRING_INLINES
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#define __USE_STRING_INLINES
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#define _FORCE_INLINES
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#define __STRING_INLINE /* empty */
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#define __NO_INLINE__
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#include <string.h>
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#undef index
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#undef rindex
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#undef __NO_INLINE__
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#include <bits/string.h>
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#include <bits/string2.h>
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#include "shlib-compat.h"
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#if SHLIB_COMPAT (libc, GLIBC_2_1_1, GLIBC_2_24)
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/* The inline functions are not used from GLIBC 2.24 and forward, however
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they are required to provide the symbols through string-inlines.c
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(if inlining is not possible for compatibility reasons). */
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size_t
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__old_strcspn_c1 (const char *__s, int __reject)
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{
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size_t __result = 0;
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while (__s[__result] != '\0' && __s[__result] != __reject)
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++__result;
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return __result;
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}
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compat_symbol (libc, __old_strcspn_c1, __strcspn_c1, GLIBC_2_1_1);
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size_t
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__old_strcspn_c2 (const char *__s, int __reject1, int __reject2)
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{
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size_t __result = 0;
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while (__s[__result] != '\0' && __s[__result] != __reject1
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&& __s[__result] != __reject2)
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++__result;
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return __result;
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}
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compat_symbol (libc, __old_strcspn_c2, __strcspn_c2, GLIBC_2_1_1);
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size_t
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__old_strcspn_c3 (const char *__s, int __reject1, int __reject2,
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int __reject3)
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{
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size_t __result = 0;
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while (__s[__result] != '\0' && __s[__result] != __reject1
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&& __s[__result] != __reject2 && __s[__result] != __reject3)
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++__result;
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return __result;
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}
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compat_symbol (libc, __old_strcspn_c3, __strcspn_c3, GLIBC_2_1_1);
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size_t
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__old_strspn_c1 (const char *__s, int __accept)
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{
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size_t __result = 0;
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/* Please note that __accept never can be '\0'. */
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while (__s[__result] == __accept)
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++__result;
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return __result;
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}
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compat_symbol (libc, __old_strspn_c1, __strspn_c1, GLIBC_2_1_1);
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size_t
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__old_strspn_c2 (const char *__s, int __accept1, int __accept2)
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{
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size_t __result = 0;
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/* Please note that __accept1 and __accept2 never can be '\0'. */
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while (__s[__result] == __accept1 || __s[__result] == __accept2)
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++__result;
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return __result;
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}
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compat_symbol (libc, __old_strspn_c2, __strspn_c2, GLIBC_2_1_1);
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size_t
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__old_strspn_c3 (const char *__s, int __accept1, int __accept2,
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int __accept3)
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{
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size_t __result = 0;
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/* Please note that __accept1 to __accept3 never can be '\0'. */
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while (__s[__result] == __accept1 || __s[__result] == __accept2
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|| __s[__result] == __accept3)
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++__result;
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return __result;
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}
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compat_symbol (libc, __old_strspn_c3, __strspn_c3, GLIBC_2_1_1);
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char *
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__old_strpbrk_c2 (const char *__s, int __accept1, int __accept2)
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{
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/* Please note that __accept1 and __accept2 never can be '\0'. */
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while (*__s != '\0' && *__s != __accept1 && *__s != __accept2)
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++__s;
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return *__s == '\0' ? NULL : (char *) (size_t) __s;
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}
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compat_symbol (libc, __old_strpbrk_c2, __strpbrk_c2, GLIBC_2_1_1);
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char *
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__old_strpbrk_c3 (const char *__s, int __accept1, int __accept2, int __accept3)
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{
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/* Please note that __accept1 to __accept3 never can be '\0'. */
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while (*__s != '\0' && *__s != __accept1 && *__s != __accept2
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&& *__s != __accept3)
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++__s;
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return *__s == '\0' ? NULL : (char *) (size_t) __s;
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}
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compat_symbol (libc, __old_strpbrk_c3, __strpbrk_c3, GLIBC_2_1_1);
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/* These are a few types we need for the optimizations if we cannot
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use unaligned memory accesses. */
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# define __STRING2_COPY_TYPE(N) \
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typedef struct { unsigned char __arr[N]; } \
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__attribute__ ((__packed__)) __STRING2_COPY_ARR##N
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__STRING2_COPY_TYPE (2);
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__STRING2_COPY_TYPE (3);
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__STRING2_COPY_TYPE (4);
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__STRING2_COPY_TYPE (5);
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__STRING2_COPY_TYPE (6);
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__STRING2_COPY_TYPE (7);
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__STRING2_COPY_TYPE (8);
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# undef __STRING2_COPY_TYPE
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# if _STRING_INLINE_unaligned
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void *
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__old_mempcpy_small (void *__dest1,
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char __src0_1, char __src2_1, char __src4_1, char __src6_1,
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__uint16_t __src0_2, __uint16_t __src4_2,
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__uint32_t __src0_4, __uint32_t __src4_4,
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size_t __srclen)
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{
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union {
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__uint32_t __ui;
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__uint16_t __usi;
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unsigned char __uc;
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unsigned char __c;
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} *__u = __dest1;
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switch ((unsigned int) __srclen)
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{
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case 1:
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__u->__c = __src0_1;
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__u = __extension__ ((void *) __u + 1);
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break;
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case 2:
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__u->__usi = __src0_2;
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__u = __extension__ ((void *) __u + 2);
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break;
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case 3:
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__u->__usi = __src0_2;
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__u = __extension__ ((void *) __u + 2);
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__u->__c = __src2_1;
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__u = __extension__ ((void *) __u + 1);
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break;
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case 4:
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__u->__ui = __src0_4;
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__u = __extension__ ((void *) __u + 4);
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break;
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case 5:
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__u->__ui = __src0_4;
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__u = __extension__ ((void *) __u + 4);
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__u->__c = __src4_1;
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__u = __extension__ ((void *) __u + 1);
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break;
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case 6:
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__u->__ui = __src0_4;
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__u = __extension__ ((void *) __u + 4);
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__u->__usi = __src4_2;
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__u = __extension__ ((void *) __u + 2);
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break;
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case 7:
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__u->__ui = __src0_4;
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__u = __extension__ ((void *) __u + 4);
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__u->__usi = __src4_2;
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__u = __extension__ ((void *) __u + 2);
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__u->__c = __src6_1;
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__u = __extension__ ((void *) __u + 1);
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break;
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case 8:
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__u->__ui = __src0_4;
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__u = __extension__ ((void *) __u + 4);
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__u->__ui = __src4_4;
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__u = __extension__ ((void *) __u + 4);
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break;
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}
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return (void *) __u;
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}
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# else
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void *
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__old_mempcpy_small (void *__dest, char __src1,
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__STRING2_COPY_ARR2 __src2, __STRING2_COPY_ARR3 __src3,
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__STRING2_COPY_ARR4 __src4, __STRING2_COPY_ARR5 __src5,
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__STRING2_COPY_ARR6 __src6, __STRING2_COPY_ARR7 __src7,
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__STRING2_COPY_ARR8 __src8, size_t __srclen)
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{
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union {
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char __c;
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__STRING2_COPY_ARR2 __sca2;
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__STRING2_COPY_ARR3 __sca3;
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__STRING2_COPY_ARR4 __sca4;
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__STRING2_COPY_ARR5 __sca5;
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__STRING2_COPY_ARR6 __sca6;
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__STRING2_COPY_ARR7 __sca7;
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__STRING2_COPY_ARR8 __sca8;
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} *__u = __dest;
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switch ((unsigned int) __srclen)
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{
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case 1:
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__u->__c = __src1;
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break;
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case 2:
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__extension__ __u->__sca2 = __src2;
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break;
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case 3:
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__extension__ __u->__sca3 = __src3;
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break;
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case 4:
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__extension__ __u->__sca4 = __src4;
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break;
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case 5:
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__extension__ __u->__sca5 = __src5;
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break;
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case 6:
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__extension__ __u->__sca6 = __src6;
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break;
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case 7:
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__extension__ __u->__sca7 = __src7;
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break;
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case 8:
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__extension__ __u->__sca8 = __src8;
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break;
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}
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return __extension__ ((void *) __u + __srclen);
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}
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# endif
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compat_symbol (libc, __old_mempcpy_small, __mempcpy_small, GLIBC_2_1_1);
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# if _STRING_INLINE_unaligned
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char *
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__old_strcpy_small (char *__dest,
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__uint16_t __src0_2, __uint16_t __src4_2,
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__uint32_t __src0_4, __uint32_t __src4_4,
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size_t __srclen)
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{
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union {
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__uint32_t __ui;
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__uint16_t __usi;
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unsigned char __uc;
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} *__u = (void *) __dest;
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switch ((unsigned int) __srclen)
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{
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case 1:
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__u->__uc = '\0';
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break;
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case 2:
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__u->__usi = __src0_2;
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break;
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case 3:
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__u->__usi = __src0_2;
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__u = __extension__ ((void *) __u + 2);
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__u->__uc = '\0';
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break;
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case 4:
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__u->__ui = __src0_4;
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break;
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case 5:
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__u->__ui = __src0_4;
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__u = __extension__ ((void *) __u + 4);
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__u->__uc = '\0';
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break;
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case 6:
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__u->__ui = __src0_4;
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__u = __extension__ ((void *) __u + 4);
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__u->__usi = __src4_2;
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break;
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case 7:
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__u->__ui = __src0_4;
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__u = __extension__ ((void *) __u + 4);
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__u->__usi = __src4_2;
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__u = __extension__ ((void *) __u + 2);
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__u->__uc = '\0';
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break;
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case 8:
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__u->__ui = __src0_4;
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__u = __extension__ ((void *) __u + 4);
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__u->__ui = __src4_4;
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break;
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}
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return __dest;
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}
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# else
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char *
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__old_strcpy_small (char *__dest,
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__STRING2_COPY_ARR2 __src2, __STRING2_COPY_ARR3 __src3,
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__STRING2_COPY_ARR4 __src4, __STRING2_COPY_ARR5 __src5,
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__STRING2_COPY_ARR6 __src6, __STRING2_COPY_ARR7 __src7,
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__STRING2_COPY_ARR8 __src8, size_t __srclen)
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{
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union {
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char __c;
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__STRING2_COPY_ARR2 __sca2;
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__STRING2_COPY_ARR3 __sca3;
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__STRING2_COPY_ARR4 __sca4;
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__STRING2_COPY_ARR5 __sca5;
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__STRING2_COPY_ARR6 __sca6;
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__STRING2_COPY_ARR7 __sca7;
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__STRING2_COPY_ARR8 __sca8;
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} *__u = (void *) __dest;
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switch ((unsigned int) __srclen)
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{
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case 1:
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__u->__c = '\0';
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break;
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case 2:
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__extension__ __u->__sca2 = __src2;
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break;
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case 3:
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__extension__ __u->__sca3 = __src3;
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break;
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case 4:
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__extension__ __u->__sca4 = __src4;
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break;
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case 5:
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__extension__ __u->__sca5 = __src5;
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break;
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case 6:
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__extension__ __u->__sca6 = __src6;
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break;
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case 7:
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__extension__ __u->__sca7 = __src7;
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break;
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case 8:
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__extension__ __u->__sca8 = __src8;
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break;
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}
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return __dest;
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}
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# endif
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compat_symbol (libc, __old_strcpy_small, __strcpy_small, GLIBC_2_1_1);
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# if _STRING_INLINE_unaligned
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char *
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__old_stpcpy_small (char *__dest,
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__uint16_t __src0_2, __uint16_t __src4_2,
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__uint32_t __src0_4, __uint32_t __src4_4,
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size_t __srclen)
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{
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union {
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unsigned int __ui;
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unsigned short int __usi;
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unsigned char __uc;
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char __c;
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} *__u = (void *) __dest;
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switch ((unsigned int) __srclen)
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{
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case 1:
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__u->__uc = '\0';
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break;
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case 2:
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__u->__usi = __src0_2;
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__u = __extension__ ((void *) __u + 1);
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break;
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case 3:
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__u->__usi = __src0_2;
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__u = __extension__ ((void *) __u + 2);
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__u->__uc = '\0';
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break;
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case 4:
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__u->__ui = __src0_4;
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__u = __extension__ ((void *) __u + 3);
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break;
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case 5:
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__u->__ui = __src0_4;
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__u = __extension__ ((void *) __u + 4);
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__u->__uc = '\0';
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break;
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case 6:
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__u->__ui = __src0_4;
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__u = __extension__ ((void *) __u + 4);
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__u->__usi = __src4_2;
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__u = __extension__ ((void *) __u + 1);
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break;
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case 7:
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__u->__ui = __src0_4;
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__u = __extension__ ((void *) __u + 4);
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__u->__usi = __src4_2;
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__u = __extension__ ((void *) __u + 2);
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__u->__uc = '\0';
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break;
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case 8:
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__u->__ui = __src0_4;
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__u = __extension__ ((void *) __u + 4);
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__u->__ui = __src4_4;
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__u = __extension__ ((void *) __u + 3);
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break;
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}
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return &__u->__c;
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}
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# else
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char *
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__old_stpcpy_small (char *__dest,
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__STRING2_COPY_ARR2 __src2, __STRING2_COPY_ARR3 __src3,
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__STRING2_COPY_ARR4 __src4, __STRING2_COPY_ARR5 __src5,
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__STRING2_COPY_ARR6 __src6, __STRING2_COPY_ARR7 __src7,
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__STRING2_COPY_ARR8 __src8, size_t __srclen)
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{
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union {
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char __c;
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__STRING2_COPY_ARR2 __sca2;
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__STRING2_COPY_ARR3 __sca3;
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__STRING2_COPY_ARR4 __sca4;
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__STRING2_COPY_ARR5 __sca5;
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__STRING2_COPY_ARR6 __sca6;
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__STRING2_COPY_ARR7 __sca7;
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__STRING2_COPY_ARR8 __sca8;
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} *__u = (void *) __dest;
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switch ((unsigned int) __srclen)
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{
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case 1:
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__u->__c = '\0';
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break;
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case 2:
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__extension__ __u->__sca2 = __src2;
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break;
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case 3:
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__extension__ __u->__sca3 = __src3;
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break;
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case 4:
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__extension__ __u->__sca4 = __src4;
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break;
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case 5:
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__extension__ __u->__sca5 = __src5;
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break;
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case 6:
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__extension__ __u->__sca6 = __src6;
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break;
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case 7:
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__extension__ __u->__sca7 = __src7;
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break;
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case 8:
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__extension__ __u->__sca8 = __src8;
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break;
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}
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return __dest + __srclen - 1;
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}
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# endif
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compat_symbol (libc, __old_stpcpy_small, __stpcpy_small, GLIBC_2_1_1);
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#endif
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