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| author | Ulrich Drepper <drepper@redhat.com> | 1998-10-01 00:07:16 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1998-10-01 00:07:16 +0000 |
| commit | 36ab45e15f650b5034089879cf2cdfa427f17d72 (patch) | |
| tree | 613fc4831f3a1a2961dc0a0ea91dffe788e26afe /string/bits | |
| parent | f304af81b635347b9b26f9bfdda70705f5a13313 (diff) | |
| download | glibc-36ab45e15f650b5034089879cf2cdfa427f17d72.tar.xz glibc-36ab45e15f650b5034089879cf2cdfa427f17d72.zip | |
Update.
1998-09-29 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* string/bits/string2.h (__string2_1bptr_p): Don't use a statement
expression.
(__mempcpy, strcpy, __stpcpy, strcmp, strcspn, strspn, strpbrk,
__strsep): Greatly reduce size of expansion by combining common
expressions.
(__mempcpy_small, __strcpy_small, __stpcpy_small): Convert to
inline function.
(__mempcpy_args, __strcpy_args, __stpcpy_args): New macros, used
by the above definitions.
Diffstat (limited to 'string/bits')
| -rw-r--r-- | string/bits/string2.h | 873 |
1 files changed, 424 insertions, 449 deletions
diff --git a/string/bits/string2.h b/string/bits/string2.h index 172c21734a..c47a73841a 100644 --- a/string/bits/string2.h +++ b/string/bits/string2.h @@ -89,8 +89,7 @@ __STRING2_COPY_TYPE (8); pointer case, so we use this instead. Note that __x is evaluated twice. */ #define __string2_1bptr_p(__x) \ - (({ const void *__a, *__b; __a = (__x) + 1; __b = (__x); \ - (size_t)__a - (size_t)__b; }) == 1) + ((size_t)(const void *)((__x) + 1) - (size_t)(const void *)(__x) == 1) /* Set N bytes of S to C. */ #ifndef _HAVE_STRING_ARCH_memset @@ -108,139 +107,135 @@ __STRING2_COPY_TYPE (8); # define __mempcpy(dest, src, n) \ (__extension__ (__builtin_constant_p (src) && __builtin_constant_p (n) \ && __string2_1bptr_p (src) && n <= 8 \ - ? __mempcpy_small (dest, src, n) \ + ? __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_small(dest, src, srclen) \ - (__extension__ ({ char *__dest = (char *) (dest); \ - switch (srclen) \ - { \ - case 1: \ - *__dest++ = *(char *) src; \ - break; \ - case 2: \ - *((__uint16_t *) __dest) = \ - __STRING2_SMALL_GET16 (src, 0); \ - __dest += 2; \ - break; \ - case 3: \ - *((__uint16_t *) __dest) = \ - __STRING2_SMALL_GET16 (src, 0); \ - __dest += sizeof (__uint16_t); \ - *__dest++ = ((char *) src)[2]; \ - break; \ - case 4: \ - *((__uint32_t *) __dest) = \ - __STRING2_SMALL_GET32 (src, 0); \ - __dest += 4; \ - break; \ - case 5: \ - *((__uint32_t *) __dest) = \ - __STRING2_SMALL_GET32 (src, 0); \ - __dest += 4; \ - *__dest++ = ((char *) src)[4]; \ - break; \ - case 6: \ - *((__uint32_t *) __dest) = \ - __STRING2_SMALL_GET32 (src, 0); \ - *((__uint16_t *) (__dest + 4)) = \ - __STRING2_SMALL_GET16 (src, 4); \ - __dest += 6; \ - break; \ - case 7: \ - *((__uint32_t *) __dest) = \ - __STRING2_SMALL_GET32 (src, 0); \ - *((__uint16_t *) (__dest + 4)) = \ - __STRING2_SMALL_GET16 (src, 4); \ - __dest += 6; \ - *__dest++ = ((char *) src)[6]; \ - break; \ - case 8: \ - *((__uint32_t *) __dest) = \ - __STRING2_SMALL_GET32 (src, 0); \ - *((__uint32_t *) (__dest + 4)) = \ - __STRING2_SMALL_GET32 (src, 4); \ - __dest += 8; \ - break; \ - } \ - __dest; })) +# 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 *__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) +{ + char *__dest = (char *) __dest1; + switch (__srclen) + { + case 1: + *__dest++ = __src0_1; + break; + case 2: + *((__uint16_t *) __dest) = __src0_2; + __dest += 2; + break; + case 3: + *((__uint16_t *) __dest) = __src0_2; + __dest += 2; + *__dest++ = __src2_1; + break; + case 4: + *((__uint32_t *) __dest) = __src0_4; + __dest += 4; + break; + case 5: + *((__uint32_t *) __dest) = __src0_4; + __dest += 4; + *__dest++ = __src4_1; + break; + case 6: + *((__uint32_t *) __dest) = __src0_4; + *((__uint16_t *) (__dest + 4)) = __src4_2; + __dest += 6; + break; + case 7: + *((__uint32_t *) __dest) = __src0_4; + *((__uint16_t *) (__dest + 4)) = __src4_2; + __dest += 6; + *__dest++ = __src6_1; + break; + case 8: + *((__uint32_t *) __dest) = __src0_4; + *((__uint32_t *) (__dest + 4)) = __src4_4; + __dest += 8; + break; + } + return (void *) __dest; +} # else -# define __mempcpy_small(dest, src, srclen) \ - (__extension__ ({ char *__dest = (char *) (dest); \ - switch (srclen) \ - { \ - case 1: \ - *__dest = '\0'; \ - break; \ - case 2: \ - *((__STRING2_COPY_ARR2 *) __dest) = \ - ((__STRING2_COPY_ARR2) \ - { { ((__const char *) (src))[0], \ - ((__const char *) (src))[1] } }); \ - break; \ - case 3: \ - *((__STRING2_COPY_ARR3 *) __dest) = \ - ((__STRING2_COPY_ARR3) \ - { { ((__const char *) (src))[0], \ - ((__const char *) (src))[1], \ - ((__const char *) (src))[2] } }); \ - break; \ - case 4: \ - *((__STRING2_COPY_ARR4 *) __dest) = \ - ((__STRING2_COPY_ARR4) \ - { { ((__const char *) (src))[0], \ - ((__const char *) (src))[1], \ - ((__const char *) (src))[2], \ - ((__const char *) (src))[3] } }); \ - break; \ - case 5: \ - *((__STRING2_COPY_ARR5 *) __dest) = \ - ((__STRING2_COPY_ARR5) \ - { { ((__const char *) (src))[0], \ - ((__const char *) (src))[1], \ - ((__const char *) (src))[2], \ - ((__const char *) (src))[3], \ - ((__const char *) (src))[4] } }); \ - break; \ - case 6: \ - *((__STRING2_COPY_ARR6 *) __dest) = \ - ((__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] } }); \ - break; \ - case 7: \ - *((__STRING2_COPY_ARR7 *) __dest) = \ - ((__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] } }); \ - break; \ - case 8: \ - *((__STRING2_COPY_ARR8 *) __dest) = \ - ((__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] } }); \ - break; \ - } \ - __dest + (srclen); })) +# define __mempcpy_args(src) \ + __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 *__dest1, + __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) +{ + char *__dest = (char *) __dest1; + switch (__srclen) + { + case 1: + *__dest = '\0'; + break; + case 2: + __extension__ *((__STRING2_COPY_ARR2 *) __dest) = __src2; + break; + case 3: + __extension__ *((__STRING2_COPY_ARR3 *) __dest) = __src3; + break; + case 4: + __extension__ *((__STRING2_COPY_ARR4 *) __dest) = __src4; + break; + case 5: + __extension__ *((__STRING2_COPY_ARR5 *) __dest) = __src5; + break; + case 6: + __extension__ *((__STRING2_COPY_ARR6 *) __dest) = __src6; + break; + case 7: + __extension__ *((__STRING2_COPY_ARR7 *) __dest) = __src7; + break; + case 8: + __extension__ *((__STRING2_COPY_ARR8 *) __dest) = __src8; + break; + } + return (void *) (__dest + __srclen); +} # endif # endif #endif @@ -251,130 +246,122 @@ __STRING2_COPY_TYPE (8); # define strcpy(dest, src) \ (__extension__ (__builtin_constant_p (src) \ ? (__string2_1bptr_p (src) && strlen (src) + 1 <= 8 \ - ? __strcpy_small (dest, src, strlen (src) + 1) \ + ? __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_small(dest, src, srclen) \ - (__extension__ ({ char *__dest = (char *) (dest); \ - switch (srclen) \ - { \ - case 1: \ - *__dest = '\0'; \ - break; \ - case 2: \ - *((__uint16_t *) __dest) = \ - __STRING2_SMALL_GET16 (src, 0); \ - break; \ - case 3: \ - *((__uint16_t *) __dest) = \ - __STRING2_SMALL_GET16 (src, 0); \ - *(__dest + 2) = '\0'; \ - break; \ - case 4: \ - *((__uint32_t *) __dest) = \ - __STRING2_SMALL_GET32 (src, 0); \ - break; \ - case 5: \ - *((__uint32_t *) __dest) = \ - __STRING2_SMALL_GET32 (src, 0); \ - *(__dest + 4) = '\0'; \ - break; \ - case 6: \ - *((__uint32_t *) __dest) = \ - __STRING2_SMALL_GET32 (src, 0); \ - *((__uint16_t *) (__dest + 4)) = \ - __STRING2_SMALL_GET16 (src, 4); \ - break; \ - case 7: \ - *((__uint32_t *) __dest) = \ - __STRING2_SMALL_GET32 (src, 0); \ - *((__uint16_t *) (__dest + 4)) = \ - __STRING2_SMALL_GET16 (src, 4); \ - *(__dest + 6) = '\0'; \ - break; \ - case 8: \ - *((__uint32_t *) __dest) = \ - __STRING2_SMALL_GET32 (src, 0); \ - *((__uint32_t *) (__dest + 4)) = \ - __STRING2_SMALL_GET32 (src, 4); \ - break; \ - } \ - __dest; })) +# 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 *__dest, + __uint16_t __src0_2, __uint16_t __src4_2, + __uint32_t __src0_4, __uint32_t __src4_4, + size_t __srclen) +{ + switch (__srclen) + { + case 1: + *__dest = '\0'; + break; + case 2: + *((__uint16_t *) __dest) = __src0_2; + break; + case 3: + *((__uint16_t *) __dest) = __src0_2; + *(__dest + 2) = '\0'; + break; + case 4: + *((__uint32_t *) __dest) = __src0_4; + break; + case 5: + *((__uint32_t *) __dest) = __src0_4; + *(__dest + 4) = '\0'; + break; + case 6: + *((__uint32_t *) __dest) = __src0_4; + *((__uint16_t *) (__dest + 4)) = __src4_2; + break; + case 7: + *((__uint32_t *) __dest) = __src0_4; + *((__uint16_t *) (__dest + 4)) = __src4_2; + *(__dest + 6) = '\0'; + break; + case 8: + *((__uint32_t *) __dest) = __src0_4; + *((__uint32_t *) (__dest + 4)) = __src4_4; + break; + } + return __dest; +} # else -# define __strcpy_small(dest, src, srclen) \ - (__extension__ ({ char *__dest = (char *) (dest); \ - switch (srclen) \ - { \ - case 1: \ - *__dest = '\0'; \ - break; \ - case 2: \ - *((__STRING2_COPY_ARR2 *) __dest) = \ - ((__STRING2_COPY_ARR2) \ - { { ((__const char *) (src))[0], \ - '\0' } }); \ - break; \ - case 3: \ - *((__STRING2_COPY_ARR3 *) __dest) = \ - ((__STRING2_COPY_ARR3) \ - { { ((__const char *) (src))[0], \ - ((__const char *) (src))[1], \ - '\0' } }); \ - break; \ - case 4: \ - *((__STRING2_COPY_ARR4 *) __dest) = \ - ((__STRING2_COPY_ARR4) \ - { { ((__const char *) (src))[0], \ - ((__const char *) (src))[1], \ - ((__const char *) (src))[2], \ - '\0' } }); \ - break; \ - case 5: \ - *((__STRING2_COPY_ARR5 *) __dest) = \ - ((__STRING2_COPY_ARR5) \ - { { ((__const char *) (src))[0], \ - ((__const char *) (src))[1], \ - ((__const char *) (src))[2], \ - ((__const char *) (src))[3], \ - '\0' } }); \ - break; \ - case 6: \ - *((__STRING2_COPY_ARR6 *) __dest) = \ - ((__STRING2_COPY_ARR6) \ - { { ((__const char *) (src))[0], \ - ((__const char *) (src))[1], \ - ((__const char *) (src))[2], \ - ((__const char *) (src))[3], \ - ((__const char *) (src))[4], \ - '\0' } }); \ - break; \ - case 7: \ - *((__STRING2_COPY_ARR7 *) __dest) = \ - ((__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' } }); \ - break; \ - case 8: \ - *((__STRING2_COPY_ARR8 *) __dest) = \ - ((__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' } }); \ - break; \ - } \ - __dest; })) +# 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 *__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) +{ + switch (__srclen) + { + case 1: + *__dest = '\0'; + break; + case 2: + __extension__ *((__STRING2_COPY_ARR2 *) __dest) = __src2; + break; + case 3: + __extension__ *((__STRING2_COPY_ARR3 *) __dest) = __src3; + break; + case 4: + __extension__ *((__STRING2_COPY_ARR4 *) __dest) = __src4; + break; + case 5: + __extension__ *((__STRING2_COPY_ARR5 *) __dest) = __src5; + break; + case 6: + __extension__ *((__STRING2_COPY_ARR6 *) __dest) = __src6; + break; + case 7: + __extension__ *((__STRING2_COPY_ARR7 *) __dest) = __src7; + break; + case 8: + __extension__ *((__STRING2_COPY_ARR8 *) __dest) = __src8; + break; + } + return __dest; +} # endif #endif @@ -385,7 +372,8 @@ __STRING2_COPY_TYPE (8); # define __stpcpy(dest, src) \ (__extension__ (__builtin_constant_p (src) \ ? (__string2_1bptr_p (src) && strlen (src) + 1 <= 8 \ - ? __stpcpy_small (dest, src, strlen (src) + 1) \ + ? __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 @@ -393,132 +381,123 @@ __STRING2_COPY_TYPE (8); # define stpcpy(dest, src) __stpcpy (dest, src) # if _STRING_ARCH_unaligned -# define __stpcpy_small(dest, src, srclen) \ - (__extension__ ({ char *__dest = (char *) (dest); \ - switch (srclen) \ - { \ - case 1: \ - *__dest = '\0'; \ - break; \ - case 2: \ - *((__uint16_t *) __dest) = \ - __STRING2_SMALL_GET16 (src, 0); \ - ++__dest; \ - break; \ - case 3: \ - *((__uint16_t *) __dest) = \ - __STRING2_SMALL_GET16 (src, 0); \ - __dest += sizeof (__uint16_t); \ - *__dest = '\0'; \ - break; \ - case 4: \ - *((__uint32_t *) __dest) = \ - __STRING2_SMALL_GET32 (src, 0); \ - __dest += 3; \ - break; \ - case 5: \ - *((__uint32_t *) __dest) = \ - __STRING2_SMALL_GET32 (src, 0); \ - __dest += 4; \ - *__dest = '\0'; \ - break; \ - case 6: \ - *((__uint32_t *) __dest) = \ - __STRING2_SMALL_GET32 (src, 0); \ - *((__uint16_t *) (__dest + 4)) = \ - __STRING2_SMALL_GET16 (src, 4); \ - __dest += 5; \ - break; \ - case 7: \ - *((__uint32_t *) __dest) = \ - __STRING2_SMALL_GET32 (src, 0); \ - *((__uint16_t *) (__dest + 4)) = \ - __STRING2_SMALL_GET16 (src, 4); \ - __dest += 6; \ - *__dest = '\0'; \ - break; \ - case 8: \ - *((__uint32_t *) __dest) = \ - __STRING2_SMALL_GET32 (src, 0); \ - *((__uint32_t *) (__dest + 4)) = \ - __STRING2_SMALL_GET32 (src, 4); \ - __dest += 7; \ - break; \ - } \ - __dest; })) +# 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 *__dest, + __uint16_t __src0_2, __uint16_t __src4_2, + __uint32_t __src0_4, __uint32_t __src4_4, + size_t __srclen) +{ + switch (__srclen) + { + case 1: + *__dest = '\0'; + break; + case 2: + *((__uint16_t *) __dest) = __src0_2; + ++__dest; + break; + case 3: + *((__uint16_t *) __dest) = __src0_2; + __dest += sizeof (__uint16_t); + *__dest = '\0'; + break; + case 4: + *((__uint32_t *) __dest) = __src0_4; + __dest += 3; + break; + case 5: + *((__uint32_t *) __dest) = __src0_4; + __dest += 4; + *__dest = '\0'; + break; + case 6: + *((__uint32_t *) __dest) = __src0_4; + *((__uint16_t *) (__dest + 4)) = __src4_2; + __dest += 5; + break; + case 7: + *((__uint32_t *) __dest) = __src0_4; + *((__uint16_t *) (__dest + 4)) = __src4_2; + __dest += 6; + *__dest = '\0'; + break; + case 8: + *((__uint32_t *) __dest) = __src0_4; + *((__uint32_t *) (__dest + 4)) = __src4_4; + __dest += 7; + break; + } + return __dest; +} # else -# define __stpcpy_small(dest, src, srclen) \ - (__extension__ ({ char *__dest = (char *) (dest); \ - switch (srclen) \ - { \ - case 1: \ - *__dest = '\0'; \ - break; \ - case 2: \ - *((__STRING2_COPY_ARR2 *) __dest) = \ - ((__STRING2_COPY_ARR2) \ - { { ((__const char *) (src))[0], \ - '\0' } }); \ - break; |
