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91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
/* foo.h -- interface to the libfoo library
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Copyright (C) 1996-1999 Free Software Foundation, Inc.
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Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
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This file is part of GNU Libtool.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA. */
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/* Only include this header file once. */
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#ifndef _FOO_H_
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#define _FOO_H_ 1
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/* At some point, cygwin will stop defining __CYGWIN32__, but b19 and
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* earlier do not define __CYGWIN__. This snippit allows us to check
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* for __CYGWIN32__ reliably for both old and (probable) future releases.
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*/
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#ifdef __CYGWIN__
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# ifndef __CYGWIN32__
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# define __CYGWIN32__
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# endif
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#endif
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/* __BEGIN_DECLS should be used at the beginning of your declarations,
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so that C++ compilers don't mangle their names. Use __END_DECLS at
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the end of C declarations. */
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#undef __BEGIN_DECLS
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#undef __END_DECLS
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#ifdef __cplusplus
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# define __BEGIN_DECLS extern "C" {
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# define __END_DECLS }
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#else
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# define __BEGIN_DECLS /* empty */
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# define __END_DECLS /* empty */
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#endif
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/* LTDL_PARAMS is a macro used to wrap function prototypes, so that compilers
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that don't understand ANSI C prototypes still work, and ANSI C
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compilers can issue warnings about type mismatches. */
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#undef LTDL_PARAMS
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#if defined (__STDC__) || defined (_AIX) || (defined (__mips) && defined (_SYSTYPE_SVR4)) || defined(__CYGWIN32__) || defined(__cplusplus)
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# define LTDL_PARAMS(protos) protos
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# define lt_ptr_t void*
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#else
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# define LTDL_PARAMS(protos) ()
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# define lt_ptr_t char*
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#endif
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#ifdef __CYGWIN32__
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# ifdef LIBFOO_DLL
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/* need some (as yet non-existant) automake magic to tell
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* the object whether the libfoo it will be linked with is
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* a dll or not, ie whether LIBFOO_DLL is defined or not.
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*/
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# ifdef _LIBFOO_COMPILATION_
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# define EXTERN __declspec(dllexport)
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# else
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# define EXTERN extern __declspec(dllimport)
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# endif
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# else
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# define EXTERN extern
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# endif
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#else
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# define EXTERN extern
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#endif
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/* Silly constants that the functions return. */
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#define HELLO_RET 0xe110
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#define FOO_RET 0xf00
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/* Declarations. Note the wonderful use of the above macros. */
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__BEGIN_DECLS
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int foo LTDL_PARAMS((void));
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int hello LTDL_PARAMS((void));
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EXTERN int nothing;
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__END_DECLS
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#endif /* !_FOO_H_ */
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