elk/include/site.h.in

83 lines
2.5 KiB
C

/* site.h.in: Site-local features.
*
* $Id$
*
* Copyright 1990, 1991, 1992, 1993, 1994, 1995, Oliver Laumann, Berlin
* Copyright 2002, 2003 Sam Hocevar <sam@zoy.org>, Paris
*
* This software was derived from Elk 1.2, which was Copyright 1987, 1988,
* 1989, Nixdorf Computer AG and TELES GmbH, Berlin (Elk 1.2 has been written
* by Oliver Laumann for TELES Telematic Services, Berlin, in a joint project
* between TELES and Nixdorf Microprocessor Engineering, Berlin).
*
* Oliver Laumann, TELES GmbH, Nixdorf Computer AG and Sam Hocevar, as co-
* owners or individual owners of copyright in this software, grant to any
* person or company a worldwide, royalty free, license to
*
* i) copy this software,
* ii) prepare derivative works based on this software,
* iii) distribute copies of this software or derivative works,
* iv) perform this software, or
* v) display this software,
*
* provided that this notice is not removed and that neither Oliver Laumann
* nor Teles nor Nixdorf are deemed to have made any representations as to
* the suitability of this software for any purpose nor are held responsible
* for any defects of this software.
*
* THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
*/
/* The C99 integer types header */
#include @STDINT_HEADER@
/* C Compiler features */
#ifndef __GNUC__
# define __asm__ asm
#endif
/* Under gcc, we use the __attribute__ macro to tell the compiler that a
* function does not return. */
#ifdef __GNUC__
# define elk_attribute(att) __attribute__ ((att))
#else
# define elk_attribute(att) /* */
#endif
/* Properly export Win32 symbols */
#if (defined(_WIN32) || defined(__CYGWIN__)) && \
!(defined(ELK_BUILD_DLL) || defined(ELK_STATIC))
# define elk_import __declspec(dllimport)
#else
# define elk_import /* */
#endif
#if defined(__cplusplus)
# define extern_c extern "C"
#else
# define extern_c /* */
#endif
/* Directory separator */
#ifdef WIN32
# define SEPARATOR_CHAR '\\'
# define SEPARATOR_STRING "\\"
#else
# define SEPARATOR_CHAR '/'
# define SEPARATOR_STRING "/"
#endif
/* Arithmetic shift right for compilers that don't sign extend:
*/
#if (-1 >> 1) < 0
# define ASR(n,s) ((n) >>= (s))
#else
# define NBITS(v) ((sizeof v) * 8)
# define HIBIT(v,n) (NBITS(v) - (n))
# define ASR(n,s) ((n) >>= (s),\
((n) & (1 << (HIBIT((n),(s)) - 1)) ?\
((n) |= ~(((unsigned)1 << HIBIT((n),(s))) - 1)) :\
(n)))
#endif