From 3e0814cd9862b89c7a39672672937477bd87ddfb Mon Sep 17 00:00:00 2001 From: Andreas Rottmann Date: Thu, 27 May 2010 18:23:15 +0200 Subject: Imported Upstream version 0.9.3 --- tests/signature.h | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 tests/signature.h (limited to 'tests/signature.h') diff --git a/tests/signature.h b/tests/signature.h new file mode 100644 index 00000000..6e15c43a --- /dev/null +++ b/tests/signature.h @@ -0,0 +1,48 @@ +/* Macro for checking that a function declaration is compliant. + Copyright (C) 2009, 2010 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +#ifndef SIGNATURE_CHECK + +/* Check that the function FN takes the specified arguments ARGS with + a return type of RET. This header is designed to be included after + and the one system header that is supposed to contain + the function being checked, but prior to any other system headers + that are necessary for the unit test. Therefore, this file does + not include any system headers, nor reference anything outside of + the macro arguments. For an example, if foo.h should provide: + + extern int foo (char, float); + + then the unit test named test-foo.c would start out with: + + #include + #include + #include "signature.h" + SIGNATURE_CHECK (foo, int, (char, float)); + #include + ... +*/ +# define SIGNATURE_CHECK(fn, ret, args) \ + SIGNATURE_CHECK1 (fn, ret, args, __LINE__) + +/* Necessary to allow multiple SIGNATURE_CHECK lines in a unit test. + Note that the checks must not occupy the same line. */ +# define SIGNATURE_CHECK1(fn, ret, args, id) \ + SIGNATURE_CHECK2 (fn, ret, args, id) /* macroexpand line */ +# define SIGNATURE_CHECK2(fn, ret, args, id) \ + static ret (* _GL_UNUSED signature_check ## id) args = fn + +#endif /* SIGNATURE_CHECK */ -- cgit v1.2.3