asn1c/skeletons/asn_system.h

66 lines
1.7 KiB
C

/*-
* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
* Redistribution and modifications are permitted subject to BSD license.
*/
/*
* Miscellaneous system-dependent types.
*/
#ifndef _ASN_SYSTEM_H_
#define _ASN_SYSTEM_H_
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h> /* For snprintf(3) */
#include <stdlib.h> /* For *alloc(3) */
#include <string.h> /* For memcpy(3) */
#include <sys/types.h> /* For size_t */
#include <stdarg.h> /* For va_start */
#include <stddef.h> /* for offsetof and ptrdiff_t */
#ifdef WIN32
#define snprintf _snprintf
#define vsnprintf _vsnprintf
#define alloca(size) _alloca(size)
#else /* !WIN32 */
#include <inttypes.h> /* C99 specifies this file */
/*
* 1. Earlier FreeBSD version didn't have <stdint.h>,
* but <inttypes.h> was present.
* 2. Sun Solaris requires <alloca.h> for alloca(3),
* but does not have <stdint.h>.
*/
#if (!defined(__FreeBSD__) || !defined(_SYS_INTTYPES_H_))
#if defined(sun)
#include <alloca.h> /* For alloca(3) */
#include <ieeefp.h> /* for finite(3) */
#else
#include <stdint.h> /* SUSv2+ and C99 specify this file, for uintXX_t */
#endif /* defined(sun) */
#endif
#endif /* WIN32 */
#ifndef __GNUC__
#define __attribute__(ignore)
#endif
#ifndef offsetof /* If not defined by <stddef.h> */
#define offsetof(s, m) ((ptrdiff_t)&(((s *)0)->m) - (ptrdiff_t)((s *)0))
#endif /* offsetof */
#ifndef MIN /* Suitable for comparing primitive types (integers) */
#if defined(__GNUC__)
#define MIN(a,b) ({ __typeof a _a = a; __typeof b _b = b; \
((_a)<(_b)?(_a):(_b)); })
#else /* !__GNUC__ */
#define MIN(a,b) ((a)<(b)?(a):(b)) /* Unsafe variant */
#endif /* __GNUC__ */
#endif /* MIN */
#endif /* _ASN_SYSTEM_H_ */