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-rw-r--r--string/bits/string2.h221
1 files changed, 145 insertions, 76 deletions
diff --git a/string/bits/string2.h b/string/bits/string2.h
index c2e63b6ebc..e0bded08e3 100644
--- a/string/bits/string2.h
+++ b/string/bits/string2.h
@@ -52,16 +52,22 @@
# if __BYTE_ORDER == __LITTLE_ENDIAN
# define __STRING2_SMALL_GET16(src, idx) \
- (((src)[idx + 1] << 8) | (src)[idx])
+ (((__const unsigned char *) (src))[idx + 1] << 8 \
+ | ((__const unsigned char *) (src))[idx])
# define __STRING2_SMALL_GET32(src, idx) \
- ((((src)[idx + 3] << 8 | (src)[idx + 2]) << 8 \
- | (src)[idx + 1]) << 8 | (src)[idx])
+ (((((__const unsigned char *) (src))[idx + 3] << 8 \
+ | ((__const char *) (src))[idx + 2]) << 8 \
+ | ((__const unsigned char *) (src))[idx + 1]) << 8 \
+ | ((__const unsigned char *) (src))[idx])
# else
# define __STRING2_SMALL_GET16(src, idx) \
- (((src)[idx] << 8) | (src)[idx + 1])
+ (((__const unsigned char *) (src))[idx] << 8 \
+ | ((__const unsigned char *) (src))[idx + 1])
# define __STRING2_SMALL_GET32(src, idx) \
- ((((src)[idx] << 8 | (src)[idx + 1]) << 8 \
- | (src)[idx + 2]) << 8 | (src)[idx + 3])
+ (((((__const unsigned char *) (src))[idx] << 8 \
+ | ((__const unsigned char *) (src))[idx + 1]) << 8 \
+ | ((__const unsigned char *) (src))[idx + 2]) << 8 \
+ | ((__const unsigned char *) (src))[idx + 3])
# endif
#else
/* These are a few types we need for the optimizations if we cannot
@@ -159,43 +165,66 @@ __STRING2_COPY_TYPE (8);
break; \
case 2: \
*((__STRING2_COPY_ARR2 *) __dest) = \
- ((__STRING2_COPY_ARR2) { { (src)[0], '\0' } }); \
+ ((__STRING2_COPY_ARR2) \
+ { { ((__const unsigned char *) (src))[0], \
+ '\0' } }); \
break; \
case 3: \
*((__STRING2_COPY_ARR3 *) __dest) = \
- ((__STRING2_COPY_ARR3) { { (src)[0], (src)[1], \
- '\0' } }); \
+ ((__STRING2_COPY_ARR3) \
+ { { ((__const unsigned char *) (src))[0], \
+ ((__const unsigned char *) (src))[1], \
+ '\0' } }); \
break; \
case 4: \
*((__STRING2_COPY_ARR4 *) __dest) = \
- ((__STRING2_COPY_ARR4) { { (src)[0], (src)[1], \
- (src)[2], '\0' } }); \
+ ((__STRING2_COPY_ARR4) \
+ { { ((__const unsigned char *) (src))[0], \
+ ((__const unsigned char *) (src))[1], \
+ ((__const unsigned char *) (src))[2], \
+ '\0' } }); \
break; \
case 5: \
*((__STRING2_COPY_ARR5 *) __dest) = \
- ((__STRING2_COPY_ARR5) { { (src)[0], (src)[1], \
- (src)[2], (src)[3], \
- '\0' } }); \
+ ((__STRING2_COPY_ARR5) \
+ { { ((__const unsigned char *) (src))[0], \
+ ((__const unsigned char *) (src))[1], \
+ ((__const unsigned char *) (src))[2], \
+ ((__const unsigned char *) (src))[3], \
+ '\0' } }); \
break; \
case 6: \
*((__STRING2_COPY_ARR6 *) __dest) = \
- ((__STRING2_COPY_ARR6) { { (src)[0], (src)[1], \
- (src)[2], (src)[3], \
- (src)[4], '\0' } }); \
+ ((__STRING2_COPY_ARR6) \
+ { { ((__const unsigned char *) (src))[0], \
+ ((__const unsigned char *) (src))[1], \
+ ((__const unsigned char *) (src))[2], \
+ ((__const unsigned char *) (src))[3], \
+ ((__const unsigned char *) (src))[4], \
+ '\0' } }); \
break; \
case 7: \
*((__STRING2_COPY_ARR7 *) __dest) = \
- ((__STRING2_COPY_ARR7) { { (src)[0], (src)[1], \
- (src)[2], (src)[3], \
- (src)[4], (src)[5], \
- '\0' } }); \
+ ((__STRING2_COPY_ARR7) \
+ { { ((__const unsigned char *) (src))[0], \
+ ((__const unsigned char *) (src))[1], \
+ ((__const unsigned char *) (src))[2], \
+ ((__const unsigned char *) (src))[3], \
+ ((__const unsigned char *) (src))[4], \
+ ((__const unsigned char *) (src))[5], \
+ '\0' } }); \
break; \
case 8: \
*((__STRING2_COPY_ARR8 *) __dest) = \
- ((__STRING2_COPY_ARR8) { { (src)[0], (src)[1], \
- (src)[2], (src)[3], \
- (src)[4], (src)[5], \
- (src)[6], '\0' } }); \
+ ((__STRING2_COPY_ARR8) \
+ { { ((__const unsigned char *) (src))[0], \
+ ((__const unsigned char *) (src))[1], \
+ ((__const unsigned char *) (src))[2], \
+ ((__const unsigned char *) (src))[3], \
+ ((__const unsigned char *) (src))[4], \
+ ((__const unsigned char *) (src))[5], \
+ ((__const unsigned char *) (src))[6], \
+ '\0' } }); \
break; \
} \
(char *) __dest; }))
@@ -280,43 +309,66 @@ __STRING2_COPY_TYPE (8);
break; \
case 2: \
*((__STRING2_COPY_ARR2 *) __dest) = \
- ((__STRING2_COPY_ARR2) { { (src)[0], '\0' } }); \
+ ((__STRING2_COPY_ARR2) \
+ { { ((__const unsigned char *) (src))[0], \
+ '\0' } }); \
break; \
case 3: \
*((__STRING2_COPY_ARR3 *) __dest) = \
- ((__STRING2_COPY_ARR3) { { (src)[0], (src)[1], \
- '\0' } }); \
+ ((__STRING2_COPY_ARR3) \
+ { { ((__const unsigned char *) (src))[0], \
+ ((__const unsigned char *) (src))[1], \
+ '\0' } }); \
break; \
case 4: \
*((__STRING2_COPY_ARR4 *) __dest) = \
- ((__STRING2_COPY_ARR4) { { (src)[0], (src)[1], \
- (src)[2], '\0' } }); \
+ ((__STRING2_COPY_ARR4) \
+ { { ((__const unsigned char *) (src))[0], \
+ ((__const unsigned char *) (src))[1], \
+ ((__const unsigned char *) (src))[2], \
+ '\0' } }); \
break; \
case 5: \
*((__STRING2_COPY_ARR5 *) __dest) = \
- ((__STRING2_COPY_ARR5) { { (src)[0], (src)[1], \
- (src)[2], (src)[3], \
- '\0' } }); \
+ ((__STRING2_COPY_ARR5) \
+ { { ((__const unsigned char *) (src))[0], \
+ ((__const unsigned char *) (src))[1], \
+ ((__const unsigned char *) (src))[2], \
+ ((__const unsigned char *) (src))[3], \
+ '\0' } }); \
break; \
case 6: \
*((__STRING2_COPY_ARR6 *) __dest) = \
- ((__STRING2_COPY_ARR6) { { (src)[0], (src)[1], \
- (src)[2], (src)[3], \
- (src)[4], '\0' } }); \
+ ((__STRING2_COPY_ARR6) \
+ { { ((__const unsigned char *) (src))[0], \
+ ((__const unsigned char *) (src))[1], \
+ ((__const unsigned char *) (src))[2], \
+ ((__const unsigned char *) (src))[3], \
+ ((__const unsigned char *) (src))[4], \
+ '\0' } }); \
break; \
case 7: \
*((__STRING2_COPY_ARR7 *) __dest) = \
- ((__STRING2_COPY_ARR7) { { (src)[0], (src)[1], \
- (src)[2], (src)[3], \
- (src)[4], (src)[5], \
- '\0' } }); \
+ ((__STRING2_COPY_ARR7) \
+ { { ((__const unsigned char *) (src))[0], \
+ ((__const unsigned char *) (src))[1], \
+ ((__const unsigned char *) (src))[2], \
+ ((__const unsigned char *) (src))[3], \
+ ((__const unsigned char *) (src))[4], \
+ ((__const unsigned char *) (src))[5], \
+ '\0' } }); \
break; \
case 8: \
*((__STRING2_COPY_ARR8 *) __dest) = \
- ((__STRING2_COPY_ARR8) { { (src)[0], (src)[1], \
- (src)[2], (src)[3], \
- (src)[4], (src)[5], \
- (src)[6], '\0' } }); \
+ ((__STRING2_COPY_ARR8) \
+ { { ((__const unsigned char *) (src))[0], \
+ ((__const unsigned char *) (src))[1], \
+ ((__const unsigned char *) (src))[2], \
+ ((__const unsigned char *) (src))[3], \
+ ((__const unsigned char *) (src))[4], \
+ ((__const unsigned char *) (src))[5], \
+ ((__const unsigned char *) (src))[6], \
+ '\0' } }); \
break; \
} \
(char *) (__dest + ((srclen) - 1)); }))
@@ -390,49 +442,63 @@ __STRING2_COPY_TYPE (8);
: strcmp (s1, s2)))))
# define __strcmp_cc(s1, s2, l) \
- (__extension__ ({ register int __result = ((unsigned char) (s1)[0] \
- - (unsigned char) (s2)[0]); \
+ (__extension__ ({ register int __result = \
+ (((__const unsigned char *) (s1))[0] \
+ - ((__const unsigned char *) (s2))[0]); \
if (l > 0 && __result == 0) \
{ \
- __result = ((unsigned char) (s1)[1] \
- - (unsigned char) (s2)[1]); \
+ __result = (((__const unsigned char *) (s1))[1] \
+ - ((__const unsigned char *) (s2))[1]); \
if (l > 1 && __result == 0) \
{ \
- __result = ((unsigned char) (s1)[2] \
- - (unsigned char) (s2)[2]); \
+ __result = \
+ (((__const unsigned char *) (s1))[2] \
+ - ((__const unsigned char *) (s2))[2]); \
if (l > 2 && __result == 0) \
- __result = ((unsigned char) (s1)[3] \
- - (unsigned char) (s2)[3]); \
+ __result = \
+ (((__const unsigned char *) (s1))[3] \
+ - ((__const unsigned char *) (s2))[3]); \
} \
} \
__result; }))
# define __strcmp_cg(s1, s2, l1) \
- (__extension__ ({ __const unsigned char *__s2 = (unsigned char *) (s2); \
- register int __result = (unsigned char) (s1)[0] - __s2[0];\
+ (__extension__ ({ __const unsigned char *__s2 = \
+ (__const unsigned char *) (s2); \
+ register int __result = \
+ (((__const unsigned char *) (s1))[0] - __s2[0]); \
if (l1 > 0 && __result == 0) \
{ \
- __result = (unsigned char) (s1)[1] - __s2[1]; \
+ __result = (((__const unsigned char *) (s1))[1] \
+ - __s2[1]); \
if (l1 > 1 && __result == 0) \
{ \
- __result = (unsigned char) (s1)[2] - __s2[2]; \
+ __result = (((__const unsigned char *) (s1))[2] \
+ - __s2[2]); \
if (l1 > 2 && __result == 0) \
- __result = (unsigned char) (s1)[3] - __s2[3]; \
+ __result = (((__const unsigned char *) (s1))[3] \
+ - __s2[3]); \
} \
} \
__result; }))
# define __strcmp_gc(s1, s2, l2) \
- (__extension__ ({ __const unsigned char *__s1 = (unsigned char *) (s1); \
- register int __result = __s1[0] - (unsigned char) (s2)[0];\
+ (__extension__ ({ __const unsigned char *__s1 = \
+ (__const unsigned char *) (s1); \
+ register int __result = \
+ __s1[0] - ((__const unsigned char *) (s2))[0]; \
if (l2 > 0 && __result == 0) \
{ \
- __result = __s1[1] - (unsigned char) (s2)[1]; \
+ __result = (__s1[1] \
+ - ((__const unsigned char *) (s2))[1]); \
if (l2 > 1 && __result == 0) \
{ \
- __result = __s1[2] - (unsigned char) (s2)[2]; \
+ __result = \
+ (__s1[2] - ((__const unsigned char *) (s2))[2]);\
if (l2 > 2 && __result == 0) \
- __result = __s1[3] - (unsigned char) (s2)[3]; \
+ __result = \
+ (__s1[3] \
+ - ((__const unsigned char *)(s2))[3]); \
} \
} \
__result; }))
@@ -455,10 +521,10 @@ __STRING2_COPY_TYPE (8);
#ifndef _HAVE_STRING_ARCH_strcspn
# define strcspn(s, reject) \
(__extension__ (__builtin_constant_p (reject) && __string2_1bptr_p (reject) \
- ? ((reject)[0] == '\0' \
+ ? (((__const unsigned char *) (reject))[0] == '\0' \
? strlen (s) \
- : ((reject)[1] == '\0' \
- ? __strcspn_c1 (s, (reject)[0]) \
+ : (((__const unsigned char *) (reject))[1] == '\0' \
+ ? __strcspn_c1 (s, ((__const char *) (reject))[0]) \
: strcspn (s, reject))) \
: strcspn (s, reject)))
@@ -479,10 +545,10 @@ __strcspn_c1 (__const char *__s, char __reject)
#ifndef _HAVE_STRING_ARCH_strspn
# define strspn(s, accept) \
(__extension__ (__builtin_constant_p (accept) && __string2_1bptr_p (accept) \
- ? ((accept)[0] == '\0' \
+ ? (((__const unsigned char *) (accept))[0] == '\0' \
? 0 \
- : ((accept)[1] == '\0' \
- ? __strspn_c1 (s, (accept)[0]) \
+ : (((__const unsigned char *) (accept))[1] == '\0' \
+ ? __strspn_c1 (s, ((__const char *) (accept))[0]) \
: strspn (s, accept))) \
: strspn (s, accept)))
@@ -503,10 +569,10 @@ __strspn_c1 (__const char *__s, char __accept)
#ifndef _HAVE_STRING_ARCH_strpbrk
# define strpbrk(s, accept) \
(__extension__ (__builtin_constant_p (accept) && __string2_1bptr_p (accept) \
- ? ((accept)[0] == '\0' \
+ ? (((__const unsigned char *) (accept))[0] == '\0' \
? NULL \
- : ((accept)[1] == '\0' \
- ? strchr (s, (accept)[0]) \
+ : (((__const unsigned char *) (accept))[1] == '\0' \
+ ? strchr (s, ((__const unsigned char *) (accept))[0]) \
: strpbrk (s, accept))) \
: strpbrk (s, accept)))
#endif
@@ -516,10 +582,11 @@ __strspn_c1 (__const char *__s, char __accept)
#ifndef _HAVE_STRING_ARCH_strstr
# define strstr(haystack, needle) \
(__extension__ (__builtin_constant_p (needle) && __string2_1bptr_p (needle) \
- ? ((needle)[0] == '\0' \
+ ? (((__const unsigned char *) (needle))[0] == '\0' \
? haystack \
- : ((needle)[1] == '\0' \
- ? strchr (haystack, (needle)[0]) \
+ : (((__const unsigned char *) (needle))[1] == '\0' \
+ ? strchr (haystack, \
+ ((__const unsigned char *) (needle))[0]) \
: strstr (haystack, needle))) \
: strstr (haystack, needle)))
#endif
@@ -543,8 +610,10 @@ strnlen (__const char *__string, size_t __maxlen)
# define strsep(s, reject) \
(__extension__ (__builtin_constant_p (reject) && __string2_1bptr_p (reject) \
- ? ((reject)[0] != '\0' && (reject)[1] == '\0' \
- ? __strsep_1c (s, (reject)[0]) \
+ ? (((__const unsigned char *) (reject))[0] != '\0' \
+ && ((__const unsigned char *) (reject))[1] == '\0' \
+ ? __strsep_1c (s, \
+ ((__const unsigned char *) (reject))[0]) \
: __strsep_g (s, reject)) \
: __strsep_g (s, reject)))