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author | Eric Andersen <andersen@codepoet.org> | 2002-03-01 20:46:26 +0000 |
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committer | Eric Andersen <andersen@codepoet.org> | 2002-03-01 20:46:26 +0000 |
commit | 9cee42f10dbc5b33866ff137b926a74abd7c1a5b (patch) | |
tree | 5211131bde7212ae06d98e9779197cece9b552cc /libc/sysdeps/linux/h8300/bits/string2.h | |
parent | 5b470cfcc321c5d50b951fa93a769a4a193ccece (diff) |
Major rework of the include files to eliminate redundancy
and to better support each arch. This is a really big patch...
-Erik
Diffstat (limited to 'libc/sysdeps/linux/h8300/bits/string2.h')
-rw-r--r-- | libc/sysdeps/linux/h8300/bits/string2.h | 1214 |
1 files changed, 0 insertions, 1214 deletions
diff --git a/libc/sysdeps/linux/h8300/bits/string2.h b/libc/sysdeps/linux/h8300/bits/string2.h deleted file mode 100644 index 734f5b0e3..000000000 --- a/libc/sysdeps/linux/h8300/bits/string2.h +++ /dev/null @@ -1,1214 +0,0 @@ -/* Machine-independant string function optimizations. - Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#ifndef _STRING_H -# error "Never use <bits/string2.h> directly; include <string.h> instead." -#endif - -#ifndef __NO_STRING_INLINES - -/* Unlike the definitions in the header <bits/string.h> the - definitions contained here are not optimized down to assembler - level. Those optimizations are not always a good idea since this - means the code size increases a lot. Instead the definitions here - optimize some functions in a way which do not dramatically - increase the code size and which do not use assembler. The main - trick is to use GNU CC's `__builtin_constant_p' function. - - Every function XXX which has a defined version in - <bits/string.h> must be accompanied by a symbol _HAVE_STRING_ARCH_XXX - to make sure we don't get redefinitions. - - We must use here macros instead of inline functions since the - trick won't work with the latter. */ - -#ifndef __STRING_INLINE -# ifdef __cplusplus -# define __STRING_INLINE inline -# else -# define __STRING_INLINE extern __inline -# endif -#endif - -#if _STRING_ARCH_unaligned -/* If we can do unaligned memory accesses we must know the endianess. */ -# include <endian.h> -# include <bits/types.h> - -# if __BYTE_ORDER == __LITTLE_ENDIAN -# define __STRING2_SMALL_GET16(src, idx) \ - (((__const unsigned char *) (__const char *) (src))[idx + 1] << 8 \ - | ((__const unsigned char *) (__const char *) (src))[idx]) -# define __STRING2_SMALL_GET32(src, idx) \ - (((((__const unsigned char *) (__const char *) (src))[idx + 3] << 8 \ - | ((__const unsigned char *) (__const char *) (src))[idx + 2]) << 8 \ - | ((__const unsigned char *) (__const char *) (src))[idx + 1]) << 8 \ - | ((__const unsigned char *) (__const char *) (src))[idx]) -# else -# define __STRING2_SMALL_GET16(src, idx) \ - (((__const unsigned char *) (__const char *) (src))[idx] << 8 \ - | ((__const unsigned char *) (__const char *) (src))[idx + 1]) -# define __STRING2_SMALL_GET32(src, idx) \ - (((((__const unsigned char *) (__const char *) (src))[idx] << 8 \ - | ((__const unsigned char *) (__const char *) (src))[idx + 1]) << 8 \ - | ((__const unsigned char *) (__const char *) (src))[idx + 2]) << 8 \ - | ((__const unsigned char *) (__const char *) (src))[idx + 3]) -# endif -#else -/* These are a few types we need for the optimizations if we cannot - use unaligned memory accesses. */ -# define __STRING2_COPY_TYPE(N) \ - typedef struct { unsigned char __arr[N]; } \ - __STRING2_COPY_ARR##N __attribute__ ((packed)) -__STRING2_COPY_TYPE (2); -__STRING2_COPY_TYPE (3); -__STRING2_COPY_TYPE (4); -__STRING2_COPY_TYPE (5); -__STRING2_COPY_TYPE (6); -__STRING2_COPY_TYPE (7); -__STRING2_COPY_TYPE (8); -# undef __STRING2_COPY_TYPE -#endif - -/* Dereferencing a pointer arg to run sizeof on it fails for the void - pointer case, so we use this instead. - Note that __x is evaluated twice. */ -#define __string2_1bptr_p(__x) \ - ((size_t)(const void *)((__x) + 1) - (size_t)(const void *)(__x) == 1) - -/* Set N bytes of S to C. */ -#ifndef _HAVE_STRING_ARCH_memset -# if _STRING_ARCH_unaligned -# define memset(s, c, n) \ - (__extension__ (__builtin_constant_p (n) && (n) <= 16 \ - ? ((n) == 1 \ - ? __memset_1 (s, c) \ - : __memset_gc (s, c, n)) \ - : (__builtin_constant_p (c) && (c) == '\0' \ - ? ({ void *__s = (s); __bzero (__s, n); __s; }) \ - : memset (s, c, n)))) - -# define __memset_1(s, c) ({ void *__s = (s); \ - *((__uint8_t *) __s) = (__uint8_t) c; __s; }) - -# define __memset_gc(s, c, n) \ - ({ void *__s = (s); \ - union { \ - unsigned int __ui; \ - unsigned short int __usi; \ - unsigned char __uc; \ - } *__u = __s; \ - __uint8_t __c = (__uint8_t) (c); \ - \ - /* This `switch' statement will be removed at compile-time. */ \ - switch ((unsigned int) (n)) \ - { \ - case 15: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ (void *)((char *) __u + 4); \ - case 11: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ (void *)((char *) __u + 4); \ - case 7: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ (void *)((char *) __u + 4); \ - case 3: \ - __u->__usi = (unsigned short int) __c * 0x0101; \ - __u = __extension__ (void *)((char *) __u + 2); \ - __u->__uc = (unsigned char) __c; \ - break; \ - \ - case 14: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ (void *)((char *) __u + 4); \ - case 10: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ (void *)((char *) __u + 4); \ - case 6: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ (void *)((char *) __u + 4); \ - case 2: \ - __u->__usi = (unsigned short int) __c * 0x0101; \ - break; \ - \ - case 13: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ (void *)((char *) __u + 4); \ - case 9: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ (void *)((char *) __u + 4); \ - case 5: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ (void *)((char *) __u + 4); \ - case 1: \ - __u->__uc = (unsigned char) __c; \ - break; \ - \ - case 16: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ (void *)((char *) __u + 4); \ - case 12: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ (void *)((char *) __u + 4); \ - case 8: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ (void *)((char *) __u + 4); \ - case 4: \ - __u->__ui = __c * 0x01010101; \ - case 0: \ - break; \ - } \ - \ - __s; }) -# else -# define memset(s, c, n) \ - (__extension__ (__builtin_constant_p (c) && (c) == '\0' \ - ? ({ void *__s = (s); __bzero (__s, n); __s; }) \ - : memset (s, c, n))) -# endif - -/* GCC optimizes memset(s, 0, n) but not bzero(s, n). - The optimization is broken before EGCS 1.1. */ -# if defined __GNUC__ \ - && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 90)) -# define __bzero(s, n) __builtin_memset (s, '\0', n) -# endif - -#endif - - -/* Copy N bytes from SRC to DEST, returning pointer to byte following the - last copied. */ -#ifdef __USE_GNU -# ifndef _HAVE_STRING_ARCH_mempcpy -# define __mempcpy(dest, src, n) \ - (__extension__ (__builtin_constant_p (src) && __builtin_constant_p (n) \ - && __string2_1bptr_p (src) && n <= 8 \ - ? __mempcpy_small (dest, __mempcpy_args (src), n) \ - : __mempcpy (dest, src, n))) -/* In glibc we use this function frequently but for namespace reasons - we have to use the name `__mempcpy'. */ -# define mempcpy(dest, src, n) __mempcpy (dest, src, n) - -# if _STRING_ARCH_unaligned -# define __mempcpy_args(src) \ - ((char *) (src))[0], ((char *) (src))[2], ((char *) (src))[4], \ - ((char *) (src))[6], \ - __extension__ __STRING2_SMALL_GET16 (src, 0), \ - __extension__ __STRING2_SMALL_GET16 (src, 4), \ - __extension__ __STRING2_SMALL_GET32 (src, 0), \ - __extension__ __STRING2_SMALL_GET32 (src, 4) -__STRING_INLINE void *__mempcpy_small (void *, char, char, char, char, - __uint16_t, __uint16_t, __uint32_t, - __uint32_t, size_t); -__STRING_INLINE void * -__mempcpy_small (void *__dest1, - char __src0_1, char __src2_1, char __src4_1, char __src6_1, - __uint16_t __src0_2, __uint16_t __src4_2, - __uint32_t __src0_4, __uint32_t __src4_4, - size_t __srclen) -{ - union { - __uint32_t __ui; - __uint16_t __usi; - unsigned char __uc; - unsigned char __c; - } *__u = __dest1; - switch ((unsigned int) __srclen) - { - case 1: - __u->__c = __src0_1; - __u = __extension__ (void *)((char *) __u + 1); - break; - case 2: - __u->__usi = __src0_2; - __u = __extension__ (void *)((char *) __u + 2); - break; - case 3: - __u->__usi = __src0_2; - __u = __extension__ (void *)((char *) __u + 2); - __u->__c = __src2_1; - __u = __extension__ (void *)((char *) __u + 1); - break; - case 4: - __u->__ui = __src0_4; - __u = __extension__ (void *)((char *) __u + 4); - break; - case 5: - __u->__ui = __src0_4; - __u = __extension__ (void *)((char *) __u + 4); - __u->__c = __src4_1; - __u = __extension__ (void *)((char *) __u + 1); - break; - case 6: - __u->__ui = __src0_4; - __u = __extension__ (void *)((char *) __u + 4); - __u->__usi = __src4_2; - __u = __extension__ (void *)((char *) __u + 2); - break; - case 7: - __u->__ui = __src0_4; - __u = __extension__ (void *)((char *) __u + 4); - __u->__usi = __src4_2; - __u = __extension__ (void *)((char *) __u + 2); - __u->__c = __src6_1; - __u = __extension__ (void *)((char *) __u + 1); - break; - case 8: - __u->__ui = __src0_4; - __u = __extension__ (void *)((char *) __u + 4); - __u->__ui = __src4_4; - __u = __extension__ (void *)((char *) __u + 4); - break; - } - return (void *) __u; -} -# else -# define __mempcpy_args(src) \ - ((__const char *) (src))[0], \ - __extension__ ((__STRING2_COPY_ARR2) \ - { { ((__const char *) (src))[0], ((__const char *) (src))[1] } }), \ - __extension__ ((__STRING2_COPY_ARR3) \ - { { ((__const char *) (src))[0], ((__const char *) (src))[1], \ - ((__const char *) (src))[2] } }), \ - __extension__ ((__STRING2_COPY_ARR4) \ - { { ((__const char *) (src))[0], ((__const char *) (src))[1], \ - ((__const char *) (src))[2], ((__const char *) (src))[3] } }), \ - __extension__ ((__STRING2_COPY_ARR5) \ - { { ((__const char *) (src))[0], ((__const char *) (src))[1], \ - ((__const char *) (src))[2], ((__const char *) (src))[3], \ - ((__const char *) (src))[4] } }), \ - __extension__ ((__STRING2_COPY_ARR6) \ - { { ((__const char *) (src))[0], ((__const char *) (src))[1], \ - ((__const char *) (src))[2], ((__const char *) (src))[3], \ - ((__const char *) (src))[4], ((__const char *) (src))[5] } }), \ - __extension__ ((__STRING2_COPY_ARR7) \ - { { ((__const char *) (src))[0], ((__const char *) (src))[1], \ - ((__const char *) (src))[2], ((__const char *) (src))[3], \ - ((__const char *) (src))[4], ((__const char *) (src))[5], \ - ((__const char *) (src))[6] } }), \ - __extension__ ((__STRING2_COPY_ARR8) \ - { { ((__const char *) (src))[0], ((__const char *) (src))[1], \ - ((__const char *) (src))[2], ((__const char *) (src))[3], \ - ((__const char *) (src))[4], ((__const char *) (src))[5], \ - ((__const char *) (src))[6], ((__const char *) (src))[7] } }) -__STRING_INLINE void *__mempcpy_small (void *, char, __STRING2_COPY_ARR2, - __STRING2_COPY_ARR3, - __STRING2_COPY_ARR4, - __STRING2_COPY_ARR5, - __STRING2_COPY_ARR6, - __STRING2_COPY_ARR7, - __STRING2_COPY_ARR8, size_t); -__STRING_INLINE void * -__mempcpy_small (void *__dest, char __src1, - __STRING2_COPY_ARR2 __src2, __STRING2_COPY_ARR3 __src3, - __STRING2_COPY_ARR4 __src4, __STRING2_COPY_ARR5 __src5, - __STRING2_COPY_ARR6 __src6, __STRING2_COPY_ARR7 __src7, - __STRING2_COPY_ARR8 __src8, size_t __srclen) -{ - union { - char __c; - __STRING2_COPY_ARR2 __sca2; - __STRING2_COPY_ARR3 __sca3; - __STRING2_COPY_ARR4 __sca4; - __STRING2_COPY_ARR5 __sca5; - __STRING2_COPY_ARR6 __sca6; - __STRING2_COPY_ARR7 __sca7; - __STRING2_COPY_ARR8 __sca8; - } *__u = __dest; - switch ((unsigned int) __srclen) - { - case 1: - __u->__c = __src1; - break; - case 2: - __extension__ __u->__sca2 = __src2; - break; - case 3: - __extension__ __u->__sca3 = __src3; - break; - case 4: - __extension__ __u->__sca4 = __src4; - break; - case 5: - __extension__ __u->__sca5 = __src5; - break; - case 6: - __extension__ __u->__sca6 = __src6; - break; - case 7: - __extension__ __u->__sca7 = __src7; - break; - case 8: - __extension__ __u->__sca8 = __src8; - break; - } - return __extension__ (void *)((char *) __u + __srclen); -} -# endif -# endif -#endif - - -/* Return pointer to C in S. */ -#ifndef _HAVE_STRING_ARCH_strchr -extern __ptr_t __rawmemchr (const __ptr_t __s, int __c); -# define strchr(s, c) \ - (__extension__ (__builtin_constant_p (c) && (c) == '\0' \ - ? (char *) __rawmemchr (s, c) \ - : strchr (s, c))) -#endif - - -/* Copy SRC to DEST. */ -#ifndef _HAVE_STRING_ARCH_strcpy -# define strcpy(dest, src) \ - (__extension__ (__builtin_constant_p (src) \ - ? (__string2_1bptr_p (src) && strlen (src) + 1 <= 8 \ - ? __strcpy_small (dest, __strcpy_args (src), \ - strlen (src) + 1) \ - : (char *) memcpy (dest, src, strlen (src) + 1)) \ - : strcpy (dest, src))) - -# if _STRING_ARCH_unaligned -# define __strcpy_args(src) \ - __extension__ __STRING2_SMALL_GET16 (src, 0), \ - __extension__ __STRING2_SMALL_GET16 (src, 4), \ - __extension__ __STRING2_SMALL_GET32 (src, 0), \ - __extension__ __STRING2_SMALL_GET32 (src, 4) -__STRING_INLINE char *__strcpy_small (char *, __uint16_t, __uint16_t, - __uint32_t, __uint32_t, size_t); -__STRING_INLINE char * -__strcpy_small (char *__dest, - __uint16_t __src0_2, __uint16_t __src4_2, - __uint32_t __src0_4, __uint32_t __src4_4, - size_t __srclen) -{ - union { - __uint32_t __ui; - __uint16_t __usi; - unsigned char __uc; - } *__u = (void *) __dest; - switch ((unsigned int) __srclen) - { - case 1: - __u->__uc = '\0'; - break; - case 2: - __u->__usi = __src0_2; - break; - case 3: - __u->__usi = __src0_2; - __u = __extension__ (void *)((char *) __u + 2); - __u->__uc = '\0'; - break; - case 4: - __u->__ui = __src0_4; - break; - case 5: - __u->__ui = __src0_4; - __u = __extension__ (void *)((char *) __u + 4); - __u->__uc = '\0'; - break; - case 6: - __u->__ui = __src0_4; - __u = __extension__ (void *)((char *) __u + 4); - __u->__usi = __src4_2; - break; - case 7: - __u->__ui = __src0_4; - __u = __extension__ (void *)((char *) __u + 4); - __u->__usi = __src4_2; - __u = __extension__ (void *)((char *) __u + 2); - __u->__uc = '\0'; - break; - case 8: - __u->__ui = __src0_4; - __u = __extension__ (void *)((char *) __u + 4); - __u->__ui = __src4_4; - break; - } - return __dest; -} -# else -# define __strcpy_args(src) \ - __extension__ ((__STRING2_COPY_ARR2) \ - { { ((__const char *) (src))[0], '\0' } }), \ - __extension__ ((__STRING2_COPY_ARR3) \ - { { ((__const char *) (src))[0], ((__const char *) (src))[1], \ - '\0' } }), \ - __extension__ ((__STRING2_COPY_ARR4) \ - { { ((__const char *) (src))[0], ((__const char *) (src))[1], \ - ((__const char *) (src))[2], '\0' } }), \ - __extension__ ((__STRING2_COPY_ARR5) \ - { { ((__const char *) (src))[0], ((__const char *) (src))[1], \ - ((__const char *) (src))[2], ((__const char *) (src))[3], \ - '\0' } }), \ - __extension__ ((__STRING2_COPY_ARR6) \ - { { ((__const char *) (src))[0], ((__const char *) (src))[1], \ - ((__const char *) (src))[2], ((__const char *) (src))[3], \ - ((__const char *) (src))[4], '\0' } }), \ - __extension__ ((__STRING2_COPY_ARR7) \ - { { ((__const char *) (src))[0], ((__const char *) (src))[1], \ - ((__const char *) (src))[2], ((__const char *) (src))[3], \ - ((__const char *) (src))[4], ((__const char *) (src))[5], \ - '\0' } }), \ - __extension__ ((__STRING2_COPY_ARR8) \ - { { ((__const char *) (src))[0], ((__const char *) (src))[1], \ - ((__const char *) (src))[2], ((__const char *) (src))[3], \ - ((__const char *) (src))[4], ((__const char *) (src))[5], \ - ((__const char *) (src))[6], '\0' } }) -__STRING_INLINE char *__strcpy_small (char *, __STRING2_COPY_ARR2, - __STRING2_COPY_ARR3, - __STRING2_COPY_ARR4, - __STRING2_COPY_ARR5, - __STRING2_COPY_ARR6, - __STRING2_COPY_ARR7, - __STRING2_COPY_ARR8, size_t); -__STRING_INLINE char * -__strcpy_small (char *__dest, - __STRING2_COPY_ARR2 __src2, __STRING2_COPY_ARR3 __src3, - __STRING2_COPY_ARR4 __src4, __STRING2_COPY_ARR5 __src5, - __STRING2_COPY_ARR6 __src6, __STRING2_COPY_ARR7 __src7, - __STRING2_COPY_ARR8 __src8, size_t __srclen) -{ - union { - char __c; - __STRING2_COPY_ARR2 __sca2; - __STRING2_COPY_ARR3 __sca3; - __STRING2_COPY_ARR4 __sca4; - __STRING2_COPY_ARR5 __sca5; - __STRING2_COPY_ARR6 __sca6; - __STRING2_COPY_ARR7 __sca7; - __STRING2_COPY_ARR8 __sca8; - } *__u = (void *) __dest; - switch ((unsigned int) __srclen) - { - case 1: - __u->__c = '\0'; - break; - case 2: - __extension__ __u->__sca2 = __src2; - break; - case 3: - __extension__ __u->__sca3 = __src3; - break; - case 4: - __extension__ __u->__sca4 = __src4; - break; - case 5: - __extension__ __u->__sca5 = __src5; - break; - case 6: - __extension__ __u->__sca6 = __src6; - break; - case 7: - __extension__ __u->__sca7 = __src7; - break; - case 8: - __extension__ __u->__sca8 = __src8; - break; - } - return __dest; -} -# endif -#endif - - -/* Copy SRC to DEST, returning pointer to final NUL byte. */ -#ifdef __USE_GNU -# ifndef _HAVE_STRING_ARCH_stpcpy -# define __stpcpy(dest, src) \ - (__extension__ (__builtin_constant_p (src) \ - ? (__string2_1bptr_p (src) && strlen (src) + 1 <= 8 \ - ? __stpcpy_small (dest, __stpcpy_args (src), \ - strlen (src) + 1) \ - : ((char *) __mempcpy (dest, src, strlen (src) + 1) - 1))\ - : __stpcpy (dest, src))) -/* In glibc we use this function frequently but for namespace reasons - we have to use the name `__stpcpy'. */ -# define stpcpy(dest, src) __stpcpy (dest, src) - -# if _STRING_ARCH_unaligned -# define __stpcpy_args(src) \ - __extension__ __STRING2_SMALL_GET16 (src, 0), \ - __extension__ __STRING2_SMALL_GET16 (src, 4), \ - __extension__ __STRING2_SMALL_GET32 (src, 0), \ - __extension__ __STRING2_SMALL_GET32 (src, 4) -__STRING_INLINE char *__stpcpy_small (char *, __uint16_t, __uint16_t, - __uint32_t, __uint32_t, size_t); -__STRING_INLINE char * -__stpcpy_small (char *__dest, - __uint16_t __src0_2, __uint16_t __src4_2, - __uint32_t __src0_4, __uint32_t __src4_4, - size_t __srclen) -{ - union { - unsigned int __ui; - unsigned short int __usi; - unsigned char __uc; - char __c; - } *__u = (void *) __dest; - switch ((unsigned int) __srclen) - { - case 1: - __u->__uc = '\0'; - break; - case 2: - __u->__usi = __src0_2; - __u = __extension__ (void *)((char *) __u + 1); - break; - case 3: - __u->__usi = __src0_2; - __u = __extension__ (void *)((char *) __u + 2); - __u->__uc = '\0'; - break; - case 4: - __u->__ui = __src0_4; - __u = __extension__ (void *)((char *) __u + 3); - break; - case 5: - __u->__ui = __src0_4; - __u = __extension__ (void *)((char *) __u + 4); - __u->__uc = '\0'; - break; - case 6: - __u->__ui = __src0_4; - __u = __extension__ (void *)((char *) __u + 4); - __u->__usi = __src4_2; - __u = __extension__ (void *)((char *) __u + 1); - break; - case 7: - __u->__ui = __src0_4; - __u = __extension__ (void *)((char *) __u + 4); - __u->__usi = __src4_2; - __u = __extension__ (void *)((char *) __u + 2); - __u->__uc = '\0'; - break; - case 8: - __u->__ui = __src0_4; - __u = __extension__ (void *)((char *) __u + 4); - __u->__ui = __src4_4; - __u = __extension__ (void *)((char *) __u + 3); - break; - } - return &__u->__c; -} -# else -# define __stpcpy_args(src) \ - __extension__ ((__STRING2_COPY_ARR2) \ - { { ((__const char *) (src))[0], '\0' } }), \ - __extension__ ((__STRING2_COPY_ARR3) \ - { { ((__const char *) (src))[0], ((__const char *) (src))[1], \ - '\0' } }), \ - __extension__ ((__STRING2_COPY_ARR4) \ - { { ((__const char *) (src))[0], ((__const char *) (src))[1], \ - ((__const char *) (src))[2], '\0' } }), \ - __extension__ ((__STRING2_COPY_ARR5) \ - { { ((__const char *) (src))[0], ((__const char *) (src))[1], \ - ((__const char *) (src))[2], ((__const char *) (src))[3], \ - '\0' } }), \ - __extension__ ((__STRING2_COPY_ARR6) \ - { { ((__const char *) (src))[0], ((__const char *) (src))[1], \ - ((__const char *) (src))[2], ((__const char *) (src))[3], \ - ((__const char *) (src))[4], '\0' } }), \ - __extension__ ((__STRING2_COPY_ARR7) \ - { { ((__const char *) (src))[0], ((__const char *) (src))[1], \ - ((__const char *) (src))[2], ((__const char *) (src))[3], \ - ((__const char *) (src))[4], ((__const char *) (src))[5], \ - '\0' } }), \ - __extension__ ((__STRING2_COPY_ARR8) \ - { { ((__const char *) (src))[0], ((__const char *) (src))[1], \ - ((__const char *) (src))[2], ((__const char *) (src))[3], \ - ((__const char *) (src))[4], ((__const char *) (src))[5], \ - ((__const char *) (src))[6], '\0' } }) -__STRING_INLINE char *__stpcpy_small (char *, __STRING2_COPY_ARR2, - __STRING2_COPY_ARR3, - __STRING2_COPY_ARR4, - __STRING2_COPY_ARR5, - __STRING2_COPY_ARR6, - __STRING2_COPY_ARR7, - __STRING2_COPY_ARR8, size_t); -__STRING_INLINE char * -__stpcpy_small (char *__dest, - __STRING2_COPY_ARR2 __src2, __STRING2_COPY_ARR3 __src3, - __STRING2_COPY_ARR4 __src4, __STRING2_COPY_ARR5 __src5, - __STRING2_COPY_ARR6 __src6, __STRING2_COPY_ARR7 __src7, - __STRING2_COPY_ARR8 __src8, size_t __srclen) -{ - union { - char __c; - __STRING2_COPY_ARR2 __sca2; - __STRING2_COPY_ARR3 __sca3; - __STRING2_COPY_ARR4 __sca4; - __STRING2_COPY_ARR5 __sca5; - __STRING2_COPY_ARR6 __sca6; - __STRING2_COPY_ARR7 __sca7; - __STRING2_COPY_ARR8 __sca8; - } *__u = (void *) __dest; - switch ((unsigned int) __srclen) - { - case 1: - __u->__c = '\0'; - break; - case 2: - __extension__ __u->__sca2 = __src2; - break; - case 3: - __extension__ __u->__sca3 = __src3; - break; - case 4: - __extension__ __u->__sca4 = __src4; - break; - case 5: - __extension__ __u->__sca5 = __src5; - break; - case 6: - __extension__ __u->__sca6 = __src6; - break; - case 7: - __extension__ __u->__sca7 = __src7; - break; - case 8: - __extension__ __u->__sca8 = __src8; - break; - } - return __dest + __srclen - 1; -} -# endif -# endif -#endif - - -/* Copy no more than N characters of SRC to DEST. */ -#ifndef _HAVE_STRING_ARCH_strncpy -# if defined _HAVE_STRING_ARCH_memset && defined _HAVE_STRING_ARCH_mempcpy -# define strncpy(dest, src, n) \ - (__extension__ ({ char *__dest = (dest); \ - __builtin_constant_p (src) && __builtin_constant_p (n) \ - ? (strlen (src) + 1 >= ((size_t) (n)) \ - ? (char *) memcpy (__dest, src, n) \ - : (memset (__mempcpy (__dest, src, strlen (src)), \ - '\0', n - strlen (src)), \ - __dest)) \ - : strncpy (__dest, src, n); })) -# else -# define strncpy(dest, src, n) \ - (__extension__ (__builtin_constant_p (src) && __builtin_constant_p (n) \ - ? (strlen (src) + 1 >= ((size_t) (n)) \ - ? (char *) memcpy (dest, src, n) \ - : strncpy (dest, src, n)) \ - : strncpy (dest, src, n))) -# endif -#endif - - -/* Append no more than N characters from SRC onto DEST. */ -#ifndef _HAVE_STRING_ARCH_strncat -# ifdef _HAVE_STRING_ARCH_strchr -# define strncat(dest, src, n) \ - (__extension__ ({ char *__dest = (dest); \ - __builtin_constant_p (src) && __builtin_constant_p (n) \ - ? (strlen (src) < ((size_t) (n)) \ - ? strcat (__dest, src) \ - : (memcpy (strchr (__dest, '\0'), src, n), __dest)) \ - : strncat (dest, src, n); })) -# else -# define strncat(dest, src, n) \ - (__extension__ (__builtin_constant_p (src) && __builtin_constant_p (n) \ - ? (strlen (src) < ((size_t) (n)) \ - ? strcat (dest, src) \ - : strncat (dest, src, n)) \ - : strncat (dest, src, n))) -# endif -#endif - - -/* Compare characters of S1 and S2. */ -#ifndef _HAVE_STRING_ARCH_strcmp -# define strcmp(s1, s2) \ - __extension__ \ - ({ size_t __s1_len, __s2_len; \ - (__builtin_constant_p (s1) && __builtin_constant_p (s2) \ - && (__s1_len = strlen (s1), __s2_len = strlen (s2), \ - (!__string2_1bptr_p (s1) || __s1_len >= 4) \ - && (!__string2_1bptr_p (s2) || __s2_len >= 4)) \ - ? memcmp ((__const char *) (s1), (__const char *) (s2), \ - (__s1_len < __s2_len ? __s1_len : __s2_len) + 1) \ - : (__builtin_constant_p (s1) && __string2_1bptr_p (s1) \ - && (__s1_len = strlen (s1), __s1_len < 4) \ - ? (__builtin_constant_p (s2) && __string2_1bptr_p (s2) \ - ? __strcmp_cc (s1, s2, __s1_len) \ - : __strcmp_cg (s1, s2, __s1_len)) \ - : (__builtin_constant_p (s2) && __string2_1bptr_p (s2) \ - && (__s2_len = strlen (s2), __s2_len < 4) \ - ? (__builtin_constant_p (s1) && __string2_1bptr_p (s1) \ - ? __strcmp_cc (s1, s2, __s2_len) \ - : __strcmp_gc (s1, s2, __s2_len)) \ - : strcmp (s1, s2)))); }) - -# define __strcmp_cc(s1, s2, l) \ - (__extension__ ({ register int __result = \ - (((__const unsigned char *) (__const char *) (s1))[0] \ - - ((__const unsigned char *) (__const char *)(s2))[0]);\ - if (l > 0 && __result == 0) \ - { \ - __result = (((__const unsigned char *) \ - (__const char *) (s1))[1] \ - - ((__const unsigned char *) \ - (__const char *) (s2))[1]); \ - if (l > 1 && __result == 0) \ - { \ - __result = \ - (((__const unsigned char *) \ - (__const char *) (s1))[2] \ - - ((__const unsigned char *) \ - (__const char *) (s2))[2]); \ - if (l > 2 && __result == 0) \ - __result = \ - (((__const unsigned char *) \ - (__const char *) (s1))[3] \ - - ((__const unsigned char *) \ - (__const char *) (s2))[3]); \ - } \ - } \ - __result; })) - -# define __strcmp_cg(s1, s2, l1) \ - (__extension__ ({ __const unsigned char *__s2 = \ - (__const unsigned char *) (__const char *) (s2); \ - register int __result = \ - (((__const unsigned char *) (__const char *) (s1))[0] \ - - __s2[0]); \ - if (l1 > 0 && __result == 0) \ - { \ - __result = (((__const unsigned char *) \ - (__const char *) (s1))[1] - __s2[1]); \ - if (l1 > 1 && __result == 0) \ - { \ - __result = (((__const unsigned char *) \ - (__const char *) (s1))[2] - __s2[2]);\ - if (l1 > 2 && __result == 0) \ - __result = (((__const unsigned char *) \ - (__const char *) (s1))[3] \ - - __s2[3]); \ - } \ - } \ - __result; })) - -# define __strcmp_gc(s1, s2, l2) \ - (__extension__ ({ __const unsigned char *__s1 = \ - (__const unsigned char *) (__const char *) (s1); \ - register int __result = \ - __s1[0] - ((__const unsigned char *) \ - (__const char *) (s2))[0]; \ - if (l2 > 0 && __result == 0) \ - { \ - __result = (__s1[1] \ - - ((__const unsigned char *) \ - (__const char *) (s2))[1]); \ - if (l2 > 1 && __result == 0) \ - { \ - __result = \ - (__s1[2] - ((__const unsigned char *) \ - (__const char *) (s2))[2]); \ - if (l2 > 2 && __result == 0) \ - __result = \ - (__s1[3] \ - - ((__const unsigned char *) \ - (__const char *) (s2))[3]); \ - } \ - } \ - __result; })) -#endif - - -/* Compare N characters of S1 and S2. */ -#ifndef _HAVE_STRING_ARCH_strncmp -# define strncmp(s1, s2, n) \ - (__extension__ (__builtin_constant_p (n) \ - && ((__builtin_constant_p (s1) \ - && strlen (s1) < ((size_t) (n))) \ - || (__builtin_constant_p (s2) \ - && strlen (s2) < ((size_t) (n)))) \ - ? strcmp (s1, s2) : strncmp (s1, s2, n))) -#endif - - -/* Return the length of the initial segment of S which - consists entirely of characters not in REJECT. */ -#ifndef _HAVE_STRING_ARCH_strcspn -# define strcspn(s, reject) \ - __extension__ \ - ({ char __r0, __r1, __r2; \ - (__builtin_constant_p (reject) && __string2_1bptr_p (reject) \ - ? ((__r0 = ((__const char *) (reject))[0], __r0 == '\0') \ - ? strlen (s) \ - : ((__r1 = ((__const char *) (reject))[1], __r1 == '\0') \ - ? __strcspn_c1 (s, __r0) \ - : ((__r2 = ((__const char *) (reject))[2], __r2 == '\0') \ - ? __strcspn_c2 (s, __r0, __r1) \ - : (((__const char *) (reject))[3] == '\0' \ - ? __strcspn_c3 (s, __r0, __r1, __r2) \ - : strcspn (s, reject))))) \ - : strcspn (s, reject)); }) - -__STRING_INLINE size_t __strcspn_c1 (__const char *__s, char __reject); -__STRING_INLINE size_t -__strcspn_c1 (__const char *__s, char __reject) -{ - register size_t __result = 0; - while (__s[__result] != '\0' && __s[__result] != __reject) - ++__result; - return __result; -} - -__STRING_INLINE size_t __strcspn_c2 (__const char *__s, char __reject1, - char __reject2); -__STRING_INLINE size_t -__strcspn_c2 (__const char *__s, char __reject1, char __reject2) -{ - register size_t __result = 0; - while (__s[__result] != '\0' && __s[__result] != __reject1 - && __s[__result] != __reject2) - ++__result; - return __result; -} - -__STRING_INLINE size_t __strcspn_c3 (__const char *__s, char __reject1, - char __reject2, char __reject3); -__STRING_INLINE size_t -__strcspn_c3 (__const char *__s, char __reject1, char __reject2, - char __reject3) -{ - register size_t __result = 0; - while (__s[__result] != '\0' && __s[__result] != __reject1 - && __s[__result] != __reject2 && __s[__result] != __reject3) - ++__result; - return __result; -} -#endif - - -/* Return the length of the initial segment of S which - consists entirely of characters in ACCEPT. */ -#ifndef _HAVE_STRING_ARCH_strspn -# define strspn(s, accept) \ - __extension__ \ - ({ char __a0, __a1, __a2; \ - (__builtin_constant_p (accept) && __string2_1bptr_p (accept) \ - ? ((__a0 = ((__const char *) (accept))[0], __a0 == '\0') \ - ? 0 \ - : ((__a1 = ((__const char *) (accept))[1], __a1 == '\0') \ - ? __strspn_c1 (s, __a0) \ - : ((__a2 = ((__const char *) (accept))[2], __a2 == '\0') \ - ? __strspn_c2 (s, __a0, __a1) \ - : (((__const char *) (accept))[3] == '\0' \ - ? __strspn_c3 (s, __a0, __a1, __a2) \ - : strspn (s, accept))))) \ - : strspn (s, accept)); }) - -__STRING_INLINE size_t __strspn_c1 (__const char *__s, char __accept); -__STRING_INLINE size_t -__strspn_c1 (__const char *__s, char __accept) -{ - register size_t __result = 0; - /* Please note that __accept never can be '\0'. */ - while (__s[__result] == __accept) - ++__result; - return __result; -} - -__STRING_INLINE size_t __strspn_c2 (__const char *__s, char __accept1, - char __accept2); -__STRING_INLINE size_t -__strspn_c2 (__const char *__s, char __accept1, char __accept2) -{ - register size_t __result = 0; - /* Please note that __accept1 and __accept2 never can be '\0'. */ - while (__s[__result] == __accept1 || __s[__result] == __accept2) - ++__result; - return __result; -} - -__STRING_INLINE size_t __strspn_c3 (__const char *__s, char __accept1, - char __accept2, char __accept3); -__STRING_INLINE size_t -__strspn_c3 (__const char *__s, char __accept1, char __accept2, char __accept3) -{ - register size_t __result = 0; - /* Please note that __accept1 to __accept3 never can be '\0'. */ - while (__s[__result] == __accept1 || __s[__result] == __accept2 - || __s[__result] == __accept3) - ++__result; - return __result; -} -#endif - - -/* Find the first occurrence in S of any character in ACCEPT. */ -#ifndef _HAVE_STRING_ARCH_strpbrk -# define strpbrk(s, accept) \ - __extension__ \ - ({ char __a0, __a1, __a2; \ - (__builtin_constant_p (accept) && __string2_1bptr_p (accept) \ - ? ((__a0 = ((__const char *) (accept))[0], __a0 == '\0') \ - ? NULL \ - : ((__a1 = ((__const char *) (accept))[1], __a1 == '\0') \ - ? strchr (s, __a0) \ - : ((__a2 = ((__const char *) (accept))[2], __a2 == '\0') \ - ? __strpbrk_c2 (s, __a0, __a1) \ - : (((__const char *) (accept))[3] == '\0' \ - ? __strpbrk_c3 (s, __a0, __a1, __a2) \ - : strpbrk (s, accept))))) \ - : strpbrk (s, accept)); }) - -__STRING_INLINE char *__strpbrk_c2 (__const char *__s, char __accept1, - char __accept2); -__STRING_INLINE char * -__strpbrk_c2 (__const char *__s, char __accept1, char __accept2) -{ - /* Please note that __accept1 and __accept2 never can be '\0'. */ - while (*__s != '\0' && *__s != __accept1 && *__s != __accept2) - ++__s; - return *__s == '\0' ? NULL : (char *) (size_t) __s; -} - -__STRING_INLINE char *__strpbrk_c3 (__const char *__s, char __accept1, - char __accept2, char __accept3); -__STRING_INLINE char * -__strpbrk_c3 (__const char *__s, char __accept1, char __accept2, - char __accept3) -{ - /* Please note that __accept1 to __accept3 never can be '\0'. */ - while (*__s != '\0' && *__s != __accept1 && *__s != __accept2 - && *__s != __accept3) - ++__s; - return *__s == '\0' ? NULL : (char *) (size_t) __s; -} -#endif - - -/* Find the first occurrence of NEEDLE in HAYSTACK. */ -#ifndef _HAVE_STRING_ARCH_strstr -# define strstr(haystack, needle) \ - (__extension__ (__builtin_constant_p (needle) && __string2_1bptr_p (needle) \ - ? (((__const char *) (needle))[0] == '\0' \ - ? (char *) (size_t) (haystack) \ - : (((__const char *) (needle))[1] == '\0' \ - ? strchr (haystack, \ - ((__const char *) (needle))[0]) \ - : strstr (haystack, needle))) \ - : strstr (haystack, needle))) -#endif - - -#if defined __USE_GNU && !defined _FORCE_INLINES -# ifndef _HAVE_STRING_ARCH_strnlen -__STRING_INLINE size_t -strnlen (__const char *__string, size_t __maxlen) -{ - __const char *__end = (__const char *) memchr (__string, '\0', __maxlen); - return __end ? (size_t) (__end - __string) : __maxlen; -} -# endif -#endif - - -#ifndef _HAVE_STRING_ARCH_strtok_r -# define __strtok_r(s, sep, nextp) \ - (__extension__ (__builtin_constant_p (sep) && __string2_1bptr_p (sep) \ - ? (((__const char *) (sep))[0] != '\0' \ - && ((__const char *) (sep))[1] == '\0' \ - ? __strtok_r_1c (s, ((__const char *) (sep))[0], nextp) \ - : __strtok_r (s, sep, nextp)) \ - : __strtok_r (s, sep, nextp))) - -__STRING_INLINE char *__strtok_r_1c (char *__s, char __sep, char **__nextp); -__STRING_INLINE char * -__strtok_r_1c (char *__s, char __sep, char **__nextp) -{ - char *__result; - if (__s == NULL) - __s = *__nextp; - while (*__s == __sep) - ++__s; - if (*__s == '\0') - __result = NULL; - else - { - __result = __s; - while (*__s != '\0' && *__s != __sep) - ++__s; - if (*__s == '\0') - *__nextp = __s; - else - { - *__s = '\0'; - *__nextp = __s + 1; - } - } - return __result; -} -# if defined __USE_POSIX || defined __USE_MISC -# define strtok_r(s, sep, nextp) __strtok_r ((s), (sep), (nextp)) -# endif -#endif - - -#ifndef _HAVE_STRING_ARCH_strsep - -# define __strsep(s, reject) \ - __extension__ \ - ({ char __r0, __r1, __r2; \ - (__builtin_constant_p (reject) && __string2_1bptr_p (reject) \ - && (__r0 = ((__const char *) (reject))[0], \ - ((__const char *) (reject))[0] != '\0') \ - ? ((__r1 = ((__const char *) (reject))[1], \ - ((__const char *) (reject))[1] == '\0') \ - ? __strsep_1c (s, __r0) \ - : ((__r2 = ((__const char *) (reject))[2], __r2 == '\0') \ - ? __strsep_2c (s, __r0, __r1) \ - : (((__const char *) (reject))[3] == '\0' \ - ? __strsep_3c (s, __r0, __r1, __r2) \ - : __strsep_g (s, reject)))) \ - : __strsep_g (s, reject)); }) - -__STRING_INLINE char *__strsep_1c (char **__s, char __reject); -__STRING_INLINE char * -__strsep_1c (char **__s, char __reject) -{ - register char *__retval = *__s; - if (__retval == NULL) - return *__s = NULL; - if (*__retval == __reject) - *(*__s)++ = '\0'; - else - if ((*__s = strchr (__retval, __reject)) != NULL) - *(*__s)++ = '\0'; - else - *__s = NULL; - return __retval; -} - -__STRING_INLINE char *__strsep_2c (char **__s, char __reject1, char __reject2); -__STRING_INLINE char * -__strsep_2c (char **__s, char __reject1, char __reject2) -{ - register char *__retval = *__s; - if (__retval == NULL) - return *__s = NULL; - if (*__retval == __reject1 || *__retval == __reject2) - *(*__s)++ = '\0'; - else - { - register char *__cp = __retval; - while (*__cp != '\0' && *__cp != __reject1 && *__cp != __reject2) - ++__cp; - if (*__cp != '\0') - { - *__s = __cp; - *(*__s)++ = '\0'; - } - else - *__s = NULL; - } - return __retval; -} - -__STRING_INLINE char *__strsep_3c (char **__s, char __reject1, char __reject2, - char __reject3); -__STRING_INLINE char * -__strsep_3c (char **__s, char __reject1, char __reject2, char __reject3) -{ - register char *__retval = *__s; - if (__retval == NULL) - return *__s = NULL; - if (*__retval == __reject1 || *__retval == __reject2 - || *__retval == __reject3) - *(*__s)++ = '\0'; - else - { - register char *__cp = __retval; - while (*__cp != '\0' && *__cp != __reject1 && *__cp != __reject2 - && *__cp != __reject3) - ++__cp; - if (*__cp != '\0') - { - *__s = __cp; - *(*__s)++ = '\0'; - } - else - *__s = NULL; - } - return __retval; -} - -__STRING_INLINE char *__strsep_g (char **__s, __const char *__reject); -__STRING_INLINE char * -__strsep_g (char **__s, __const char *__reject) -{ - register char *__retval = *__s; - if (__retval == NULL) - return NULL; - if ((*__s = strpbrk (__retval, __reject)) != NULL) - *(*__s)++ = '\0'; - return __retval; -} -# ifdef __USE_BSD -# define strsep(s, reject) __strsep ((s), (reject)) -# endif -#endif - -/* We need the memory allocation functions for inline strdup(). - Referring to stdlib.h (even minimally) is not allowed - in any of the tight standards compliant modes. */ -#ifdef __USE_MISC - -# if !defined _HAVE_STRING_ARCH_strdup || !defined _HAVE_STRING_ARCH_strndup -# define __need_malloc_and_calloc -# include <stdlib.h> -# endif - -# ifndef _HAVE_STRING_ARCH_strdup - -# define __strdup(s) \ - (__extension__ (__builtin_constant_p (s) && __string2_1bptr_p (s) \ - ? (((__const char *) (s))[0] == '\0' \ - ? (char *) calloc (1, 1) \ - : ({ size_t __len = strlen (s) + 1; \ - char *__retval = (char *) malloc (__len); \ - if (__retval != NULL) \ - __retval = (char *) memcpy (__retval, s, __len); \ - __retval; })) \ - : __strdup (s))) - -# if defined __USE_SVID || defined __USE_BSD || defined __USE_XOPEN_EXTENDED -# define strdup(s) __strdup (s) -# endif -# endif - -#endif /* Use misc. or use GNU. */ - -#ifndef _FORCE_INLINES -# undef __STRING_INLINE -#endif - -#endif /* No string inlines. */ |