diff options
Diffstat (limited to 'guix/pk-crypto.scm')
| -rw-r--r-- | guix/pk-crypto.scm | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/guix/pk-crypto.scm b/guix/pk-crypto.scm index d5b3eeb350..50f709418c 100644 --- a/guix/pk-crypto.scm +++ b/guix/pk-crypto.scm @@ -25,6 +25,8 @@ #:use-module (rnrs bytevectors) #:use-module (ice-9 match) #:export (canonical-sexp? + error-source + error-string string->canonical-sexp canonical-sexp->string number->canonical-sexp @@ -98,6 +100,22 @@ (set-pointer-finalizer! ptr finalize-canonical-sexp!)) sexp)) +(define error-source + (let* ((ptr (libgcrypt-func "gcry_strsource")) + (proc (pointer->procedure '* ptr (list int)))) + (lambda (err) + "Return the error source (a string) for ERR, an error code as thrown +along with 'gcry-error'." + (pointer->string (proc err))))) + +(define error-string + (let* ((ptr (libgcrypt-func "gcry_strerror")) + (proc (pointer->procedure '* ptr (list int)))) + (lambda (err) + "Return the error description (a string) for ERR, an error code as +thrown along with 'gcry-error'." + (pointer->string (proc err))))) + (define string->canonical-sexp (let* ((ptr (libgcrypt-func "gcry_sexp_new")) (proc (pointer->procedure int ptr `(* * ,size_t ,int)))) |