made it possible to try several versions, use it in readline and openssl
svn: r6138
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943967a4ce
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26ab4af5f7
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@ -2,8 +2,7 @@
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(module foreign mzscheme
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(require #%foreign
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(lib "dirs.ss" "setup"))
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(require #%foreign (lib "dirs.ss" "setup"))
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(require-for-syntax (lib "stx.ss" "syntax"))
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;; This module is full of unsafe bindings that are not provided to requiring
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@ -141,44 +140,53 @@
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(define get-ffi-lib
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(case-lambda
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[(name) (get-ffi-lib name "")]
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[(name version)
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[(name version/s)
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(cond
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[(not name) (ffi-lib name)] ; #f => NULL => open this executable
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[(not (or (string? name) (path? name)))
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(raise-type-error 'ffi-lib "library-name" name)]
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[else
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;; A possible way that this might be misleading: say that there is a
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;; "foo.so" file in the current directory, which refers to some undefined
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;; symbol, trying to use this function with "foo.so" will try a dlopen
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;; with "foo.so" which isn't found, then it tries a dlopen with
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;; "/<curpath>/foo.so" which fails because of the undefined symbol, and
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;; since all fails, it will use (ffi-lib "foo.so") to raise the original
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;; file-not-found error. This is because the dlopen doesn't provide a
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;; way to distinguish different errors (only dlerror, but that's
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;; unreliable).
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(let* ([version (if (zero? (string-length version))
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"" (string-append "." version))]
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[fullpath (lambda (p) (path->complete-path (expand-path p)))]
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[absolute? (absolute-path? name)]
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[name0 (path->string (expand-path name))] ; orig name
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[name (if (regexp-match lib-suffix-re name0) ; name + suffix
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(string-append name0 version)
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(string-append name0 "." lib-suffix version))])
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(or (and (not absolute?)
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(ormap (lambda (dir)
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;; try good name first, then original
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(or (ffi-lib (build-path dir name) #t)
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(ffi-lib (build-path dir name0) #t)))
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(get-lib-search-dirs)))
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;; Try without DLL path:
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(ffi-lib name #t) ; try good name first
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(ffi-lib name0 #t) ; try original
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(and (file-exists? name) ; try a relative path
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(ffi-lib (fullpath name) #t))
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(and (file-exists? name0) ; relative with original
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(ffi-lib (fullpath name0) #t))
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;; give up: call ffi-lib so it will raise an error
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(ffi-lib name)))])]))
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[(not name) (ffi-lib name)] ; #f => NULL => open this executable
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[(not (or (string? name) (path? name)))
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(raise-type-error 'ffi-lib "library-name" name)]
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[else
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;; A possible way that this might be misleading: say that there is a
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;; "foo.so" file in the current directory, which refers to some
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;; undefined symbol, trying to use this function with "foo.so" will try
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;; a dlopen with "foo.so" which isn't found, then it tries a dlopen with
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;; "/<curpath>/foo.so" which fails because of the undefined symbol, and
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;; since all fails, it will use (ffi-lib "foo.so") to raise the original
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;; file-not-found error. This is because the dlopen doesn't provide a
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;; way to distinguish different errors (only dlerror, but that's
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;; unreliable).
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(let* ([versions (if (list? version/s) version/s (list version/s))]
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[versions (map (lambda (v)
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(if (or (not v) (zero? (string-length v)))
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"" (string-append "." v)))
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versions)]
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[fullpath (lambda (p) (path->complete-path (expand-path p)))]
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[absolute? (absolute-path? name)]
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[name0 (path->string (expand-path name))] ; orig name
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[names (map (if (regexp-match lib-suffix-re name0) ; name+suffix
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(lambda (v) (string-append name0 v))
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(lambda (v) (string-append name0 "." lib-suffix v)))
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versions)]
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[ffi-lib* (lambda (name) (ffi-lib name #t))])
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(or ;; try to look in our library paths first
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(and (not absolute?)
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(ormap (lambda (dir)
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;; try good names first, then original
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(or (ormap (lambda (name)
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(ffi-lib* (build-path dir name)))
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names)
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(ffi-lib* (build-path dir name0))))
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(get-lib-search-dirs)))
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;; try a system search
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(ormap ffi-lib* names) ; try good names first
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(ffi-lib* name0) ; try original
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(ormap (lambda (name) ; try relative paths
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(and (file-exists? name) (ffi-lib* (fullpath name))))
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names)
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(and (file-exists? name0) ; relative with original
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(ffi-lib* (fullpath name0)))
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;; give up: call ffi-lib so it will raise an error
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(ffi-lib (car names))))])]))
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(define (get-ffi-lib-internal x)
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(if (ffi-lib? x) x (get-ffi-lib x)))
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@ -377,12 +385,12 @@
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(let ([keys '()])
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(define (setkey! key val . id?)
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(cond
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[(assq key keys)
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(err "bad expansion of custom type (two `~a:'s)" key type)]
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[(and (pair? id?) (car id?) (not (identifier? val)))
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(err "bad expansion of custom type (`~a:' expects an identifier)"
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key type)]
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[else (set! keys (cons (cons key val) keys))]))
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[(assq key keys)
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(err "bad expansion of custom type (two `~a:'s)" key type)]
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[(and (pair? id?) (car id?) (not (identifier? val)))
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(err "bad expansion of custom type (`~a:' expects an identifier)"
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key type)]
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[else (set! keys (cons (cons key val) keys))]))
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(let loop ([t orig])
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(define (next rest . args) (apply setkey! args) (loop rest))
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(syntax-case* t (type: expr: bind: 1st-arg: prev-arg: pre: post:) id=?
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(define (list->TYPE vals) (apply make-TYPE vals))
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(define (list*->TYPE vals)
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(cond
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[(TYPE? vals) vals]
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[(= (length vals) (length all-types))
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(let ([block (malloc _TYPE*)])
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(set-cpointer-tag! block all-tags)
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(for-each
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(lambda (type ofs value)
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(let-values
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([(ptr tags types offsets T->list* list*->T)
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(cstruct-info
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type
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(lambda () (values #f '() #f #f #f #f)))])
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(ptr-set! block type 'abs ofs
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(if list*->T (list*->T value) value))))
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all-types all-offsets vals)
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block)]
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[else (error '_TYPE "expecting ~s values, got ~s: ~e"
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(length all-types) (length vals) vals)]))
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[(TYPE? vals) vals]
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[(= (length vals) (length all-types))
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(let ([block (malloc _TYPE*)])
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(set-cpointer-tag! block all-tags)
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(for-each
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(lambda (type ofs value)
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(let-values
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([(ptr tags types offsets T->list* list*->T)
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(cstruct-info
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type
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(lambda () (values #f '() #f #f #f #f)))])
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(ptr-set! block type 'abs ofs
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(if list*->T (list*->T value) value))))
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all-types all-offsets vals)
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block)]
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[else (error '_TYPE "expecting ~s values, got ~s: ~e"
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(length all-types) (length vals) vals)]))
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(define (TYPE->list x)
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(unless (TYPE? x)
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(raise-type-error 'TYPE-list struct-string x))
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@ -66,16 +66,17 @@
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(define libcrypto
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(with-handlers ([exn:fail? (lambda (x)
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(set! ssl-load-fail-reason (exn-message x))
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#f)])
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(ffi-lib libcrypto-so)))
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(set! ssl-load-fail-reason (exn-message x))
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#f)])
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(ffi-lib libcrypto-so '("" "0.9.8b" "0.9.8" "0.9.7"))))
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(define libssl
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(and libcrypto
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(with-handlers ([exn:fail? (lambda (x)
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(set! ssl-load-fail-reason (exn-message x))
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#f)])
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(ffi-lib libssl-so))))
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(with-handlers ([exn:fail?
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(lambda (x)
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(set! ssl-load-fail-reason (exn-message x))
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#f)])
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(ffi-lib libssl-so '("" "0.9.8b" "0.9.8" "0.9.7")))))
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(define libmz (ffi-lib #f))
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@ -7,7 +7,7 @@
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;; libtermcap needed on some platforms
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(define libtermcap (with-handlers ([exn:fail? void]) (ffi-lib "libtermcap")))
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(define libreadline (ffi-lib "libreadline"))
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(define libreadline (ffi-lib "libreadline" '("" "5" "4")))
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(define make-byte-string ; helper for the two types below
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(get-ffi-obj "scheme_make_byte_string" #f (_fun _pointer -> _scheme)))
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