X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=contrib%2Fsb-bsd-sockets%2Finet.lisp;h=869b80f93c83877c11421d9e5ea3f13777c63afd;hb=26d0559df82a00acf85b8ec89541ee8e09bb3e55;hp=1f2ef4c5175f9e06b65f701854738bfc915a7832;hpb=ab3d6a76abf70414aa13702abdbbfc2126348e10;p=sbcl.git diff --git a/contrib/sb-bsd-sockets/inet.lisp b/contrib/sb-bsd-sockets/inet.lisp index 1f2ef4c..869b80f 100644 --- a/contrib/sb-bsd-sockets/inet.lisp +++ b/contrib/sb-bsd-sockets/inet.lisp @@ -67,65 +67,14 @@ Examples: ;;; getprotobyname only works in the internet domain, which is why this ;;; is here (defun get-protocol-by-name (name) ;exported - "Returns the values network protocol number associated with the string NAME, -using getprotobyname(2) (or getprotobyname_r if SB-THREAD is enabled) which -typically looks in NIS or /etc/protocols; the protocol's canonical name, and a -list of protocol aliases" - - ;;Brownie Points. Hopefully there's one person out there using - ;;RSPF sockets and SBCL who will appreciate the extra info - - (labels ((protoent-to-values (protoent) - (values - (sockint::protoent-proto protoent) - (sockint::protoent-name protoent) - (let ((index 0)) - (loop - for alias = (sb-alien:deref (sockint::protoent-aliases protoent) index) - while (not (sb-alien:null-alien alias)) - do (incf index) - collect (sb-alien::c-string-to-string (sb-alien:alien-sap alias) - (sb-impl::default-external-format) - 'character)))))) - #+sb-thread - (let ((buffer-length 1024) - (max-buffer 10000)) - (declare (type fixnum buffer-length) - (type fixnum max-buffer)) - (loop - (sb-alien:with-alien ((result-buf (* sockint::protoent) - (sb-alien:make-alien sockint::protoent)) - (buffer (* char ) - (sb-alien:make-alien sb-alien:char buffer-length)) - #-solaris - (result (* (* sockint::protoent)) - (sb-alien:make-alien (* sockint::protoent)))) - - (let ((res (sockint::getprotobyname-r name - result-buf - buffer - buffer-length - #-solaris - result))) - (if (eql res 0) - (progn - #-solaris - (when (sb-alien::null-alien (sb-alien:deref result 0)) - (error 'unknown-protocol :name name)) - (return-from get-protocol-by-name - (protoent-to-values result-buf))) - (let ((errno (sb-unix::get-errno))) - (if (eql errno sockint::erange) - (progn - (incf buffer-length 1024) - (if (> buffer-length max-buffer) - (error "Exceeded max-buffer of ~d" max-buffer))) - (error "Unexpected errno ~d" errno)))))))) - #-sb-thread - (let ((ent (sockint::getprotobyname name))) - (if (sb-alien::null-alien ent) - (error 'unknown-protocol :name name)) - (protoent-to-values ent)))) + "Returns the network protocol number associated with the string NAME, +using getprotobyname(2) which typically looks in NIS or /etc/protocols" + ;; for extra brownie points, could return canonical protocol name + ;; and aliases as extra values + (let ((ent (sockint::getprotobyname name))) + (if (sb-alien::null-alien ent) + (error 'unknown-protocol :name name)) + (sockint::protoent-proto ent))) ;;; our protocol provides make-sockaddr-for, size-of-sockaddr, ;;; bits-of-sockaddr