1 // Copyright (c) 2013 Dave Collins <dave@davec.name>
3 // Permission to use, copy, modify, and distribute this software for any
4 // purpose with or without fee is hereby granted, provided that the above
5 // copyright notice and this permission notice appear in all copies.
7 // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
8 // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
9 // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
10 // ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
11 // WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
12 // ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
13 // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 // NOTE: Due to the following build constraints, this file will only be compiled
16 // when both cgo is supported and "-tags testcgo" is added to the go test
17 // command line. This code should really only be in the dumpcgo_test.go file,
18 // but unfortunately Go will not allow cgo in test files, so this is a
19 // workaround to allow cgo types to be tested. This configuration is used
20 // because spew itself does not require cgo to run even though it does handle
21 // certain cgo types specially. Rather than forcing all clients to require cgo
22 // and an external C compiler just to run the tests, this scheme makes them
30 typedef unsigned char custom_uchar_t;
34 char ca[6] = {'t', 'e', 's', 't', '2', '\0'};
35 unsigned char uca[6] = {'t', 'e', 's', 't', '3', '\0'};
36 signed char sca[6] = {'t', 'e', 's', 't', '4', '\0'};
37 uint8_t ui8ta[6] = {'t', 'e', 's', 't', '5', '\0'};
38 custom_uchar_t tuca[6] = {'t', 'e', 's', 't', '6', '\0'};
42 // GetCgoNullCharPointer returns a null char pointer via cgo. This is only
44 func GetCgoNullCharPointer() interface{} {
48 // GetCgoCharPointer returns a char pointer via cgo. This is only used for
50 func GetCgoCharPointer() interface{} {
54 // GetCgoCharArray returns a char array via cgo and the array's len and cap.
55 // This is only used for tests.
56 func GetCgoCharArray() (interface{}, int, int) {
57 return C.ca, len(C.ca), cap(C.ca)
60 // GetCgoUnsignedCharArray returns an unsigned char array via cgo and the
61 // array's len and cap. This is only used for tests.
62 func GetCgoUnsignedCharArray() (interface{}, int, int) {
63 return C.uca, len(C.uca), cap(C.uca)
66 // GetCgoSignedCharArray returns a signed char array via cgo and the array's len
67 // and cap. This is only used for tests.
68 func GetCgoSignedCharArray() (interface{}, int, int) {
69 return C.sca, len(C.sca), cap(C.sca)
72 // GetCgoUint8tArray returns a uint8_t array via cgo and the array's len and
73 // cap. This is only used for tests.
74 func GetCgoUint8tArray() (interface{}, int, int) {
75 return C.ui8ta, len(C.ui8ta), cap(C.ui8ta)
78 // GetCgoTypdefedUnsignedCharArray returns a typedefed unsigned char array via
79 // cgo and the array's len and cap. This is only used for tests.
80 func GetCgoTypdefedUnsignedCharArray() (interface{}, int, int) {
81 return C.tuca, len(C.tuca), cap(C.tuca)