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alignment requirement for bytevector-u64-ref and bytevector-s64-ref 

is removed.
This commit is contained in:
Abdulaziz Ghuloum 2009-08-02 15:12:58 +03:00
parent 97dfb20a53
commit c67865ff09
2 changed files with 19 additions and 7 deletions
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22
scheme/ikarus.bytevectors.ss
View File

@ -1058,7 +1058,7 @@
(die who "not a flonum" x)) (die who "not a flonum" x))
(die who "not a bytevector" bv))) (die who "not a bytevector" bv)))
(define ($bytevector-ref/64 bv i who decoder endianness) (define ($bytevector-ref/64/aligned bv i who decoder endianness)
(if (bytevector? bv) (if (bytevector? bv)
(if (and (fixnum? i) (if (and (fixnum? i)
($fx>= i 0) ($fx>= i 0)
@ -1071,17 +1071,29 @@
(die who "invalid index" i)) (die who "invalid index" i))
(die who "not a bytevector" bv))) (die who "not a bytevector" bv)))
(define ($bytevector-ref/64 bv i who decoder endianness)
(if (bytevector? bv)
(if (and (fixnum? i)
($fx>= i 0)
($fx< i ($fx- ($bytevector-length bv) 7)))
(case endianness
[(little big)
(decoder bv i endianness 8)]
[else (die who "invalid endianness" endianness)])
(die who "invalid index" i))
(die who "not a bytevector" bv)))
(define (bytevector-u64-native-ref bv i) (define (bytevector-u64-native-ref bv i)
($bytevector-ref/64 bv i 'bytevector-u64-native-ref ($bytevector-ref/64/aligned bv i 'bytevector-u64-native-ref
bytevector-uint-ref 'little)) bytevector-uint-ref 'little))
(define (bytevector-s64-native-ref bv i) (define (bytevector-s64-native-ref bv i)
($bytevector-ref/64 bv i 'bytevector-s64-native-ref ($bytevector-ref/64/aligned bv i 'bytevector-s64-native-ref
bytevector-sint-ref 'little)) bytevector-sint-ref 'little))
(define (bytevector-u64-ref bv i endianness) (define (bytevector-u64-ref bv i endianness)
($bytevector-ref/64 bv i 'bytevector-u64-native-ref ($bytevector-ref/64 bv i 'bytevector-u64-ref
bytevector-uint-ref endianness)) bytevector-uint-ref endianness))
(define (bytevector-s64-ref bv i endianness) (define (bytevector-s64-ref bv i endianness)
($bytevector-ref/64 bv i 'bytevector-s64-native-ref ($bytevector-ref/64 bv i 'bytevector-s64-ref
bytevector-sint-ref endianness)) bytevector-sint-ref endianness))
(define ($bytevector-set/64 bv i n lo hi who setter endianness) (define ($bytevector-set/64 bv i n lo hi who setter endianness)

2
scheme/last-revision
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@ -1 +1 @@
1838 1839