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add a test for foreign functions taking struct args

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* test-suite/standalone/test-ffi (f-sum-struct):
* test-suite/standalone/test-ffi-lib.c (test_ffi_sum_struct): Add a
  struct test. Wheee....
This commit is contained in:
Andy Wingo 2010-01-26 22:55:58 +01:00
parent 75383ddbd7
commit c612ed59ab
2 changed files with 24 additions and 0 deletions
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10
test-suite/standalone/test-ffi
View file

@ -143,6 +143,16 @@ exec guile -q -s "$0" "$@"
(test (f-sum -1 2000 -30000 40000000000) (test (f-sum -1 2000 -30000 40000000000)
(+ -1 2000 -30000 40000000000)) (+ -1 2000 -30000 40000000000))
;;
;; Structs
;;
(define f-sum-struct
(make-foreign-function int64 (dynamic-func "test_ffi_sum_struct" lib)
(list (list int8 int16 int32 int64))))
(test (f-sum-struct (make-c-struct (list int8 int16 int32 int64)
(list -1 2000 -30000 40000000000)))
(+ -1 2000 -30000 40000000000))
;; Local Variables: ;; Local Variables:
;; mode: scheme ;; mode: scheme

14
test-suite/standalone/test-ffi-lib.c
View file

@ -192,3 +192,17 @@ scm_t_int64 test_ffi_sum (scm_t_int8 a, scm_t_int16 b,
{ {
return d + c + b + a; return d + c + b + a;
} }
struct foo
{
scm_t_int8 a;
scm_t_int16 b;
scm_t_int32 c;
scm_t_int64 d;
};
scm_t_int64 test_ffi_sum_struct (struct foo foo);
scm_t_int64 test_ffi_sum_struct (struct foo foo)
{
return foo.d + foo.c + foo.b + foo.a;
}