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August 29, 2015 14:02
ECL CFFI segfault
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(ql:quickload :cffi) | |
(defpackage :sock-test | |
(:use :cl) | |
(:export :delay | |
:request)) | |
(in-package :sock-test) | |
(defconstant +af-inet+ 2) | |
(cffi:defcstruct sockaddr-in | |
(sin-family :short) | |
(sin-port :unsigned-short) | |
(sin-addr :unsigned-int) | |
(sin-zero-0 :char) | |
(sin-zero-1 :char) | |
(sin-zero-2 :char) | |
(sin-zero-3 :char) | |
(sin-zero-4 :char) | |
(sin-zero-5 :char) | |
(sin-zero-6 :char) | |
(sin-zero-7 :char)) | |
(defun create-sockaddr (address port) | |
(let ((sockaddr (cffi:foreign-alloc '(:pointer (:struct sockaddr-in)))) | |
(size (cffi:foreign-type-size '(:struct sockaddr-in))) | |
(address (if (string= address "0.0.0.0") | |
nil | |
address))) | |
(cffi:foreign-funcall "memset" :pointer sockaddr :unsigned-char 0 :unsigned-char size) | |
(cffi:with-foreign-slots ((sin-family sin-port sin-addr) sockaddr (:struct sockaddr-in)) | |
(setf sin-family +af-inet+ | |
sin-port (cffi:foreign-funcall "htons" :int port :unsigned-short) | |
sin-addr (if address | |
(cffi:foreign-funcall "inet_addr" :string address :unsigned-long) | |
(cffi:foreign-funcall "htonl" :unsigned-long 0 :unsigned-long)))) | |
(values sockaddr size))) | |
(compile 'create-sockaddr) | |
(create-sockaddr "50.116.25.201" 80) | |
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GDB trace: