From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001 From: Jari Vetoniemi Date: Mon, 16 Mar 2020 18:49:26 +0900 Subject: Fresh start --- .../ext/fiddle/libffi-3.2.1/man/ffi_prep_cif.3 | 68 ++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 jni/ruby/ext/fiddle/libffi-3.2.1/man/ffi_prep_cif.3 (limited to 'jni/ruby/ext/fiddle/libffi-3.2.1/man/ffi_prep_cif.3') diff --git a/jni/ruby/ext/fiddle/libffi-3.2.1/man/ffi_prep_cif.3 b/jni/ruby/ext/fiddle/libffi-3.2.1/man/ffi_prep_cif.3 new file mode 100644 index 0000000..ab2be8a --- /dev/null +++ b/jni/ruby/ext/fiddle/libffi-3.2.1/man/ffi_prep_cif.3 @@ -0,0 +1,68 @@ +.Dd February 15, 2008 +.Dt ffi_prep_cif 3 +.Sh NAME +.Nm ffi_prep_cif +.Nd Prepare a +.Nm ffi_cif +structure for use with +.Nm ffi_call +. +.Sh SYNOPSIS +.In ffi.h +.Ft ffi_status +.Fo ffi_prep_cif +.Fa "ffi_cif *cif" +.Fa "ffi_abi abi" +.Fa "unsigned int nargs" +.Fa "ffi_type *rtype" +.Fa "ffi_type **atypes" +.Fc +.Sh DESCRIPTION +The +.Nm ffi_prep_cif +function prepares a +.Nm ffi_cif +structure for use with +.Nm ffi_call +. +.Fa abi +specifies a set of calling conventions to use. +.Fa atypes +is an array of +.Fa nargs +pointers to +.Nm ffi_type +structs that describe the data type, size and alignment of each argument. +.Fa rtype +points to an +.Nm ffi_type +that describes the data type, size and alignment of the +return value. Note that to call a variadic function +.Nm ffi_prep_cif_var +must be used instead. +.Sh RETURN VALUES +Upon successful completion, +.Nm ffi_prep_cif +returns +.Nm FFI_OK . +It will return +.Nm FFI_BAD_TYPEDEF +if +.Fa cif +is +.Nm NULL +or +.Fa atypes +or +.Fa rtype +is malformed. If +.Fa abi +does not refer to a valid ABI, +.Nm FFI_BAD_ABI +will be returned. Available ABIs are +defined in +.Nm . +.Sh SEE ALSO +.Xr ffi 3 , +.Xr ffi_call 3 , +.Xr ffi_prep_cif_var 3 -- cgit v1.2.3