mirror of
https://github.com/open-goal/jak-project.git
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19b8bb81c9
* work in progress streaming rpc, simple test is working * actually add the test * debug windows failure * windows fix maybe * windows 2 * use str-load-status * update types
73 lines
1.9 KiB
Common Lisp
73 lines
1.9 KiB
Common Lisp
;;-*-Lisp-*-
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(in-package goal)
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;; name: gstring.gc
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;; name in dgo: gstring
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;; dgos: KERNEL
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;; Note on strings:
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;; the allocated length does not include an extra byte on the end for the null terminator!
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(defmethod length string ((obj string))
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; Get the length of a string. Like strlen
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(let ((str-ptr (-> obj data)))
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(while (!= 0 (-> str-ptr 0))
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(set! str-ptr (the (pointer uint8) (&+ str-ptr 1)))
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)
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(- (the int str-ptr) (the int (-> obj data)))
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)
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)
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(defmethod asize-of string ((obj string))
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;; get the size in bytes of a string.
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;; BUG - string should probably be (-> obj type), not that it matters, I don't think
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;; anybody makes a subclass of string.
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(+ (-> obj allocated-length) 1 (-> string size))
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)
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(defun copy-string<-string ((dst string) (src string))
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"Copy data from one string to another, like strcpy"
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(let ((dst-ptr (-> dst data))
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(src-ptr (-> src data))
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)
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(while (!= 0 (-> src-ptr))
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(set! (-> dst-ptr) (-> src-ptr))
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(&+! dst-ptr 1)
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(&+! src-ptr 1)
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)
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)
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)
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(defmethod new string ((allocation symbol) (type-to-make type) (size int) (other string))
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"Create a new string of the given size. If other is not #f, copy data from it."
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(cond
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(other
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(let* ((desired-size (max (length other) size))
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(new-obj (object-new (+ desired-size 1 (-> type-to-make size))))
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)
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(set! (-> new-obj allocated-length) size)
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(copy-string<-string new-obj other)
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new-obj
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)
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)
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(else
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(let ((new-obj (object-new (+ 1 size (-> type-to-make size)))))
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(set! (-> new-obj allocated-length) size)
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new-obj
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)
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)
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)
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)
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(defun charp<-string ((dst (pointer uint8)) (src-string string))
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"Copy a GOAL string into a character array."
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(let ((src (-> src-string data)))
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(while (!= 0 (-> src))
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(set! (-> dst) (-> src))
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(&+! dst 1)
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(&+! src 1)
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)
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(set! (-> dst) 0)
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0
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)
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) |