jadedctrl/ chicken-xattr
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Simplify pointer->delimited-string-list

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Jaidyn Ann 2022-11-02 14:04:11 -05:00
parent c6a70d3c39
commit fbf8ffce43
1 changed files with 5 additions and 6 deletions
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11
xattr.scm
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@ -16,7 +16,7 @@
;;
(module xattr
(get-xattr set-xattr remove-xattr list-xattr split-list)
(get-xattr set-xattr remove-xattr list-xattr)
(import (chicken base) (chicken memory) srfi-1 scheme (chicken foreign) srfi-12)
@ -159,13 +159,12 @@
;; one-dimensional array with given length and strings separated by a given delimeter.
;; This takes that sort of pointer and gives you a nice list of strings.
(define (pointer->delimited-string-list pointer length delimiter)
(let ([is-zero (lambda (num) (eq? num 0))]
[map-to-char (lambda (a) (map integer->char a))])
(let* ([is-zero (lambda (num) (eq? num 0))]
[map-to-char (lambda (a) (map integer->char a))]
[byte-list (drop-right (pointer->integers pointer length) 1)])
(map list->string
(map map-to-char
(split-list is-zero
(drop-right
(pointer->integers pointer length) 1))))))
(split-list is-zero byte-list)))))
;; Takes a pointer and returns a list of bytes of a given length