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authorUlrich Drepper <drepper@redhat.com>1998-10-01 00:07:16 +0000
committerUlrich Drepper <drepper@redhat.com>1998-10-01 00:07:16 +0000
commit36ab45e15f650b5034089879cf2cdfa427f17d72 (patch)
tree613fc4831f3a1a2961dc0a0ea91dffe788e26afe /string/bits
parentf304af81b635347b9b26f9bfdda70705f5a13313 (diff)
downloadglibc-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.h873
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;