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author | Ludovic Courtès <ludo@gnu.org> | 2016-04-25 15:41:59 +0200 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2016-04-25 23:27:09 +0200 |
commit | f77863a09eebf65299e734d27f1c5b96e9742f52 (patch) | |
tree | a71c0196f57142d67d8ffd259c3a9c8b6aeeccc5 /guix | |
parent | 73f38d5ff3621c7fbc69a6a5eea598ba269e8b2a (diff) | |
download | gnu-guix-f77863a09eebf65299e734d27f1c5b96e9742f52.tar gnu-guix-f77863a09eebf65299e734d27f1c5b96e9742f52.tar.gz |
syscalls: Second argument of packed-struct read is now optional.
* guix/build/syscalls.scm (define-c-struct)[read]: OFFSET defaults to 0.
(unfold-interface-list): Remove second argument to 'read-ifaddrs'.
(terminal-window-size): Remove second argument to 'read-winsize'.
Diffstat (limited to 'guix')
-rw-r--r-- | guix/build/syscalls.scm | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/guix/build/syscalls.scm b/guix/build/syscalls.scm index 45555060f8..7c32e25971 100644 --- a/guix/build/syscalls.scm +++ b/guix/build/syscalls.scm @@ -199,7 +199,7 @@ structure with the given TYPES. READ uses WRAP-FIELDS to return its value." (begin (define (write! bv offset fields ...) (write-types bv offset (types ...) (fields ...))) - (define (read bv offset) + (define* (read bv #:optional (offset 0)) (read-types wrap-fields bv offset (types ...) ())))))) @@ -858,8 +858,7 @@ return the list of resulting <interface> objects." (result '())) (if (null-pointer? ptr) (reverse result) - (match (read-ifaddrs (pointer->bytevector ptr %sizeof-ifaddrs) - 0) + (match (read-ifaddrs (pointer->bytevector ptr %sizeof-ifaddrs)) ((ifaddr . ptr) (loop ptr (cons ifaddr result))))))) @@ -921,8 +920,7 @@ corresponds to the TIOCGWINSZ ioctl." (ret (%ioctl (fileno port) TIOCGWINSZ size)) (err (errno))) (if (zero? ret) - (read-winsize (pointer->bytevector size (sizeof winsize-struct)) - 0) + (read-winsize (pointer->bytevector size (sizeof winsize-struct))) (throw 'system-error "terminal-window-size" "~A" (list (strerror err)) (list err))))) |