| /* foo.h -- interface to the libfoo library |
| |
| Copyright (C) 1996-1999 Free Software Foundation, Inc. |
| Written by Gord Matzigkeit, 1996 |
| |
| This file is part of GNU Libtool. |
| |
| GNU Libtool 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 2 of |
| the License, or (at your option) any later version. |
| |
| GNU Libtool 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 GNU Libtool; see the file COPYING. If not, a copy |
| can be downloaded from http://www.gnu.org/licenses/gpl.html, |
| or obtained by writing to the Free Software Foundation, Inc., |
| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| */ |
| |
| /* Only include this header file once. */ |
| #ifndef _FOO_H_ |
| #define _FOO_H_ 1 |
| |
| /* At some point, cygwin will stop defining __CYGWIN32__, but b19 and |
| * earlier do not define __CYGWIN__. This snippit allows us to check |
| * for __CYGWIN32__ reliably for both old and (probable) future releases. |
| */ |
| #ifdef __CYGWIN__ |
| # ifndef __CYGWIN32__ |
| # define __CYGWIN32__ |
| # endif |
| #endif |
| |
| /* __BEGIN_DECLS should be used at the beginning of your declarations, |
| so that C++ compilers don't mangle their names. Use __END_DECLS at |
| the end of C declarations. */ |
| #undef __BEGIN_DECLS |
| #undef __END_DECLS |
| #ifdef __cplusplus |
| # define __BEGIN_DECLS extern "C" { |
| # define __END_DECLS } |
| #else |
| # define __BEGIN_DECLS /* empty */ |
| # define __END_DECLS /* empty */ |
| #endif |
| |
| /* LTDL_PARAMS is a macro used to wrap function prototypes, so that compilers |
| that don't understand ANSI C prototypes still work, and ANSI C |
| compilers can issue warnings about type mismatches. */ |
| #undef LTDL_PARAMS |
| #if defined (__STDC__) || defined (_AIX) || (defined (__mips) && defined (_SYSTYPE_SVR4)) || defined(__CYGWIN32__) || defined(__cplusplus) |
| # define LT_PARAMS(protos) protos |
| # define lt_ptr_t void* |
| #else |
| # define LT_PARAMS(protos) () |
| # define lt_ptr_t char* |
| #endif |
| |
| #ifdef __CYGWIN32__ |
| # ifdef LIBFOO_DLL |
| /* need some (as yet non-existant) automake magic to tell |
| * the object whether the libfoo it will be linked with is |
| * a dll or not, ie whether LIBFOO_DLL is defined or not. |
| */ |
| # ifdef _LIBFOO_COMPILATION_ |
| # define EXTERN __declspec(dllexport) |
| # else |
| # define EXTERN extern __declspec(dllimport) |
| # endif |
| # else |
| # define EXTERN extern |
| # endif |
| #else |
| # define EXTERN extern |
| #endif |
| |
| /* Silly constants that the functions return. */ |
| #define HELLO_RET 0xe110 |
| #define FOO_RET 0xf00 |
| |
| |
| /* Declarations. Note the wonderful use of the above macros. */ |
| __BEGIN_DECLS |
| int foo LT_PARAMS((void)); |
| int foo2 LT_PARAMS((void)); |
| int hello LT_PARAMS((void)); |
| EXTERN int nothing; |
| __END_DECLS |
| |
| #endif /* !_FOO_H_ */ |
