diff options
Diffstat (limited to 'string')
| -rw-r--r-- | string/bits/string2.h | 456 | ||||
| -rw-r--r-- | string/string.h | 4 |
2 files changed, 21 insertions, 439 deletions
diff --git a/string/bits/string2.h b/string/bits/string2.h index 5a138dcba5..9b06bd456f 100644 --- a/string/bits/string2.h +++ b/string/bits/string2.h @@ -47,29 +47,7 @@ #endif #if _STRING_INLINE_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. */ @@ -94,148 +72,11 @@ __STRING2_COPY_TYPE (8); /* Set N bytes of S to C. */ #if !defined _HAVE_STRING_ARCH_memset -# if !__GNUC_PREREQ (3, 0) -# if _STRING_INLINE_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 *) __u + 4); \ - case 11: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ ((void *) __u + 4); \ - case 7: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ ((void *) __u + 4); \ - case 3: \ - __u->__usi = (unsigned short int) __c * 0x0101; \ - __u = __extension__ ((void *) __u + 2); \ - __u->__uc = (unsigned char) __c; \ - break; \ - \ - case 14: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ ((void *) __u + 4); \ - case 10: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ ((void *) __u + 4); \ - case 6: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ ((void *) __u + 4); \ - case 2: \ - __u->__usi = (unsigned short int) __c * 0x0101; \ - break; \ - \ - case 13: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ ((void *) __u + 4); \ - case 9: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ ((void *) __u + 4); \ - case 5: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ ((void *) __u + 4); \ - case 1: \ - __u->__uc = (unsigned char) __c; \ - break; \ - \ - case 16: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ ((void *) __u + 4); \ - case 12: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ ((void *) __u + 4); \ - case 8: \ - __u->__ui = __c * 0x01010101; \ - __u = __extension__ ((void *) __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 -# endif - -/* GCC < 3.0 optimizes memset(s, 0, n) but not bzero(s, n). - The optimization is broken before EGCS 1.1. - GCC 3.0+ has __builtin_bzero as well, but at least till GCC 3.4 - if it decides to call the library function, it calls memset - and not bzero. */ -# if __GNUC_PREREQ (2, 91) -# define __bzero(s, n) __builtin_memset (s, '\0', n) -# endif - +# define __bzero(s, n) __builtin_memset (s, '\0', n) #endif - -/* Copy N bytes from SRC to DEST, returning pointer to byte following the - last copied. */ -#ifdef __USE_GNU -# if !defined _HAVE_STRING_ARCH_mempcpy || defined _FORCE_INLINES -# ifndef _HAVE_STRING_ARCH_mempcpy -# if __GNUC_PREREQ (3, 4) -# define __mempcpy(dest, src, n) __builtin_mempcpy (dest, src, n) -# elif __GNUC_PREREQ (3, 0) -# define __mempcpy(dest, src, n) \ - (__extension__ (__builtin_constant_p (src) && __builtin_constant_p (n) \ - && __string2_1bptr_p (src) && n <= 8 \ - ? __builtin_memcpy (dest, src, n) + (n) \ - : __mempcpy (dest, src, n))) -# else -# 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))) -# endif -/* 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) -# endif - -# if !__GNUC_PREREQ (3, 0) || defined _FORCE_INLINES -# if _STRING_INLINE_unaligned -# ifndef _FORCE_INLINES -# define __mempcpy_args(src) \ - ((const char *) (src))[0], ((const char *) (src))[2], \ - ((const char *) (src))[4], ((const 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) -# endif -__STRING_INLINE void *__mempcpy_small (void *, char, char, char, char, - __uint16_t, __uint16_t, __uint32_t, - __uint32_t, size_t); +# if defined _FORCE_INLINES +# if _STRING_INLINE_unaligned __STRING_INLINE void * __mempcpy_small (void *__dest1, char __src0_1, char __src2_1, char __src4_1, char __src6_1, @@ -298,44 +139,7 @@ __mempcpy_small (void *__dest1, } return (void *) __u; } -# else -# ifndef _FORCE_INLINES -# 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] } }) -# endif -__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); +# else __STRING_INLINE void * __mempcpy_small (void *__dest, char __src1, __STRING2_COPY_ARR2 __src2, __STRING2_COPY_ARR3 __src3, @@ -382,8 +186,6 @@ __mempcpy_small (void *__dest, char __src1, } return __extension__ ((void *) __u + __srclen); } -# endif -# endif # endif #endif @@ -391,44 +193,17 @@ __mempcpy_small (void *__dest, char __src1, /* Return pointer to C in S. */ #ifndef _HAVE_STRING_ARCH_strchr extern void *__rawmemchr (const void *__s, int __c); -# if __GNUC_PREREQ (3, 2) # define strchr(s, c) \ (__extension__ (__builtin_constant_p (c) && !__builtin_constant_p (s) \ && (c) == '\0' \ ? (char *) __rawmemchr (s, c) \ : __builtin_strchr (s, c))) -# else -# define strchr(s, c) \ - (__extension__ (__builtin_constant_p (c) && (c) == '\0' \ - ? (char *) __rawmemchr (s, c) \ - : strchr (s, c))) -# endif #endif /* Copy SRC to DEST. */ -#if (!defined _HAVE_STRING_ARCH_strcpy && !__GNUC_PREREQ (3, 0)) \ - || defined _FORCE_INLINES -# if !defined _HAVE_STRING_ARCH_strcpy && !__GNUC_PREREQ (3, 0) -# 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))) -# endif - +#if defined _FORCE_INLINES # if _STRING_INLINE_unaligned -# ifndef _FORCE_INLINES -# 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) -# endif -__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, @@ -482,42 +257,6 @@ __strcpy_small (char *__dest, return __dest; } # else -# ifndef _FORCE_INLINES -# 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' } }) -# endif -__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, @@ -570,44 +309,15 @@ __strcpy_small (char *__dest, /* Copy SRC to DEST, returning pointer to final NUL byte. */ #ifdef __USE_GNU -# if !defined _HAVE_STRING_ARCH_stpcpy || defined _FORCE_INLINES -# ifndef _HAVE_STRING_ARCH_stpcpy -# if __GNUC_PREREQ (3, 4) -# define __stpcpy(dest, src) __builtin_stpcpy (dest, src) -# elif __GNUC_PREREQ (3, 0) -# define __stpcpy(dest, src) \ - (__extension__ (__builtin_constant_p (src) \ - ? (__string2_1bptr_p (src) && strlen (src) + 1 <= 8 \ - ? __builtin_strcpy (dest, src) + strlen (src) \ - : ((char *) (__mempcpy) (dest, src, strlen (src) + 1) \ - - 1)) \ - : __stpcpy (dest, src))) -# else -# 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))) -# endif +# ifndef _HAVE_STRING_ARCH_stpcpy +# define __stpcpy(dest, src) __builtin_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) -# endif +# define stpcpy(dest, src) __stpcpy (dest, src) +# endif -# if !__GNUC_PREREQ (3, 0) || defined _FORCE_INLINES -# if _STRING_INLINE_unaligned -# ifndef _FORCE_INLINES -# 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) -# endif -__STRING_INLINE char *__stpcpy_small (char *, __uint16_t, __uint16_t, - __uint32_t, __uint32_t, size_t); +# if defined _FORCE_INLINES +# if _STRING_INLINE_unaligned __STRING_INLINE char * __stpcpy_small (char *__dest, __uint16_t __src0_2, __uint16_t __src4_2, @@ -665,43 +375,7 @@ __stpcpy_small (char *__dest, } return &__u->__c; } -# else -# ifndef _FORCE_INLINES -# 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' } }) -# endif -__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); +# else __STRING_INLINE char * __stpcpy_small (char *__dest, __STRING2_COPY_ARR2 __src2, __STRING2_COPY_ARR3 __src3, @@ -748,7 +422,6 @@ __stpcpy_small (char *__dest, } return __dest + __srclen - 1; } -# endif # endif # endif #endif @@ -756,16 +429,7 @@ __stpcpy_small (char *__dest, /* Copy no more than N characters of SRC to DEST. */ #ifndef _HAVE_STRING_ARCH_strncpy -# if __GNUC_PREREQ (3, 2) -# define strncpy(dest, src, n) __builtin_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 +# define strncpy(dest, src, n) __builtin_strncpy (dest, src, n) #endif @@ -780,23 +444,15 @@ __stpcpy_small (char *__dest, : (*((char *) __mempcpy (strchr (__dest, '\0'), \ src, n)) = '\0', __dest)) \ : strncat (dest, src, n); })) -# elif __GNUC_PREREQ (3, 2) -# define strncat(dest, src, n) __builtin_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))) +# define strncat(dest, src, n) __builtin_strncat (dest, src, n) # endif #endif /* Compare characters of S1 and S2. */ #ifndef _HAVE_STRING_ARCH_strcmp -# if __GNUC_PREREQ (3, 2) -# define strcmp(s1, s2) \ +# define strcmp(s1, s2) \ __extension__ \ ({ size_t __s1_len, __s2_len; \ (__builtin_constant_p (s1) && __builtin_constant_p (s2) \ @@ -813,57 +469,8 @@ __stpcpy_small (char *__dest, && (__s2_len = strlen (s2), __s2_len < 4) \ ? (__builtin_constant_p (s1) && __string2_1bptr_p (s1) \ ? __builtin_strcmp (s1, s2) \ - : __strcmp_gc (s1, s2, __s2_len)) \ - : __builtin_strcmp (s1, s2)))); }) -# else -# 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)))); }) -# endif - -# define __strcmp_cc(s1, s2, l) \ - (__extension__ ({ 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; })) + : -__strcmp_cg (s2, s1, __s2_len)) \ + : __builtin_strcmp (s1, s2)))); }) # define __strcmp_cg(s1, s2, l1) \ (__extension__ ({ const unsigned char *__s2 = \ @@ -886,8 +493,6 @@ __stpcpy_small (char *__dest, } \ } \ __result; })) - -# define __strcmp_gc(s1, s2, l2) (- __strcmp_cg (s2, s1, l2)) #endif @@ -906,41 +511,20 @@ __stpcpy_small (char *__dest, /* Return the length of the initial segment of S which consists entirely of characters not in REJECT. */ #ifndef _HAVE_STRING_ARCH_strcspn -# if __GNUC_PREREQ (3, 2) -# define strcspn(s, reject) __builtin_strcspn (s, reject) -# endif +# define strcspn(s, reject) __builtin_strcspn (s, reject) #endif /* Return the length of the initial segment of S which consists entirely of characters in ACCEPT. */ #ifndef _HAVE_STRING_ARCH_strspn -# if __GNUC_PREREQ (3, 2) -# define strspn(s, accept) __builtin_strspn (s, accept) -# endif +# define strspn(s, accept) __builtin_strspn (s, accept) #endif /* Find the first occurrence in S of any character in ACCEPT. */ #ifndef _HAVE_STRING_ARCH_strpbrk -# if __GNUC_PREREQ (3, 2) -# define strpbrk(s, accept) __builtin_strpbrk (s, accept) -# endif -#endif - - -/* Find the first occurrence of NEEDLE in HAYSTACK. Newer gcc versions - do this itself. */ -#if !defined _HAVE_STRING_ARCH_strstr && !__GNUC_PREREQ (2, 97) -# 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))) +# define strpbrk(s, accept) __builtin_strpbrk (s, accept) #endif diff --git a/string/string.h b/string/string.h index 1f3e348834..c7f8fde7b8 100644 --- a/string/string.h +++ b/string/string.h @@ -602,7 +602,7 @@ extern char *basename (const char *__filename) __THROW __nonnull ((1)); #endif -#if defined __GNUC__ && __GNUC__ >= 2 +#if __GNUC_PREREQ (3,4) # if defined __OPTIMIZE__ && !defined __OPTIMIZE_SIZE__ \ && !defined __NO_INLINE__ && !defined __cplusplus /* When using GNU CC we provide some optimized versions of selected @@ -640,8 +640,6 @@ extern char *basename (const char *__filename) __THROW __nonnull ((1)); && defined __extern_always_inline && __GNUC_PREREQ (3,2) # if !defined _FORCE_INLINES && !defined _HAVE_STRING_ARCH_mempcpy -#undef mempcpy -#undef __mempcpy #define mempcpy(dest, src, n) __mempcpy_inline (dest, src, n) #define __mempcpy(dest, src, n) __mempcpy_inline (dest, src, n) |