racket/collects/openssl/libcrypto.rkt
Matthew Flatt 4afd36c9fd openssl: use libcrypto and libssl version 1.0 if available
and single point of control for all uses
2011-03-02 12:07:45 -07:00

23 lines
707 B
Racket

#lang racket/base
(require ffi/unsafe
racket/runtime-path
(for-syntax racket/base))
(provide libcrypto
libcrypto-load-fail-reason)
(define libcrypto-load-fail-reason #f)
;; We need to declare because they might be distributed with PLT Scheme
;; in which case they should get bundled with stand-alone executables:
(define-runtime-path libcrypto-so
(case (system-type)
[(windows) '(so "libeay32")]
[else '(so "libcrypto")]))
(define libcrypto
(with-handlers ([exn:fail? (lambda (x)
(set! libcrypto-load-fail-reason (exn-message x))
#f)])
(ffi-lib libcrypto-so '("" "1.0" "0.9.8b" "0.9.8" "0.9.7"))))