-/*-
- * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
+/*
+ * Copyright (c) 2003-2017 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_
+#ifndef ASN_SYSTEM_H
+#define ASN_SYSTEM_H
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
+#ifndef _DEFAULT_SOURCE
+#define _DEFAULT_SOURCE 1
+#endif
+
+#ifndef _BSD_SOURCE
+#define _BSD_SOURCE /* for snprintf() on some linux systems */
+#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 <limits.h> /* For LONG_MAX */
#include <stdarg.h> /* For va_start */
#include <stddef.h> /* for offsetof and ptrdiff_t */
-#ifdef WIN32
+#ifdef _WIN32
#include <malloc.h>
-#include <stdint.h>
#define snprintf _snprintf
#define vsnprintf _vsnprintf
+/* To avoid linking with ws2_32.lib, here's the definition of ntohl() */
+#define sys_ntohl(l) ((((l) << 24) & 0xff000000) \
+ | (((l) << 8) & 0xff0000) \
+ | (((l) >> 8) & 0xff00) \
+ | ((l >> 24) & 0xff))
+
#ifdef _MSC_VER /* MSVS.Net */
#ifndef __cplusplus
#define inline __inline
#endif
+#ifndef ASSUMESTDTYPES /* Standard types have been defined elsewhere */
#define ssize_t SSIZE_T
+#if _MSC_VER < 1600
typedef char int8_t;
typedef short int16_t;
typedef int int32_t;
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
+#else /* _MSC_VER >= 1600 */
+#include <stdint.h>
+#endif /* _MSC_VER < 1600 */
+#endif /* ASSUMESTDTYPES */
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <float.h>
#define finite _finite
#define copysign _copysign
#define ilogb _logb
+#else /* !_MSC_VER */
+#include <stdint.h>
#endif /* _MSC_VER */
-#else /* !WIN32 */
+#else /* !_WIN32 */
#if defined(__vxworks)
#include <types/vxTypes.h>
#else /* !defined(__vxworks) */
#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) */
-#elif defined(__hpux)
-#ifdef __GNUC__
-#include <alloca.h> /* For alloca(3) */
-#else /* !__GNUC__ */
-#define inline
-#endif /* __GNUC__ */
-#else
-#include <stdint.h> /* SUSv2+ and C99 specify this file, for uintXX_t */
-#endif /* defined(sun) */
-#endif
-
+#include <netinet/in.h> /* for ntohl() */
+#define sys_ntohl(foo) ntohl(foo)
#endif /* defined(__vxworks) */
-#endif /* WIN32 */
+#endif /* _WIN32 */
-#if __GNUC__ >= 3
-#ifndef GCC_PRINTFLIKE
-#define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
-#endif
+#if __GNUC__ >= 3 || defined(__clang__)
+#define CC_ATTRIBUTE(attr) __attribute__((attr))
#else
-#ifndef GCC_PRINTFLIKE
-#define GCC_PRINTFLIKE(fmt,var) /* nothing */
+#define CC_ATTRIBUTE(attr)
#endif
+#define CC_PRINTFLIKE(fmt, var) CC_ATTRIBUTE(format(printf, fmt, var))
+#define CC_NOTUSED CC_ATTRIBUTE(unused)
+#ifndef CC_ATTR_NO_SANITIZE
+#define CC_ATTR_NO_SANITIZE(what) CC_ATTRIBUTE(no_sanitize(what))
#endif
+/* Figure out if thread safety is requested */
+#if !defined(ASN_THREAD_SAFE) && (defined(THREAD_SAFE) || defined(_REENTRANT))
+#define ASN_THREAD_SAFE
+#endif /* Thread safety */
+
#ifndef offsetof /* If not defined by <stddef.h> */
#define offsetof(s, m) ((ptrdiff_t)&(((s *)0)->m) - (ptrdiff_t)((s *)0))
#endif /* offsetof */
#endif /* __GNUC__ */
#endif /* MIN */
-#endif /* _ASN_SYSTEM_H_ */
+#if __STDC_VERSION__ >= 199901L
+#ifndef SIZE_MAX
+#define SIZE_MAX ((~((size_t)0)) >> 1)
+#endif
+
+#ifndef RSIZE_MAX /* C11, Annex K */
+#define RSIZE_MAX (SIZE_MAX >> 1)
+#endif
+#ifndef RSSIZE_MAX /* Halve signed size even further than unsigned */
+#define RSSIZE_MAX ((ssize_t)(RSIZE_MAX >> 1))
+#endif
+#else /* Old compiler */
+#undef SIZE_MAX
+#undef RSIZE_MAX
+#undef RSSIZE_MAX
+#define SIZE_MAX ((~((size_t)0)) >> 1)
+#define RSIZE_MAX (SIZE_MAX >> 1)
+#define RSSIZE_MAX ((ssize_t)(RSIZE_MAX >> 1))
+#endif
+
+#if __STDC_VERSION__ >= 199901L
+#define ASN_PRI_SIZE "zu"
+#define ASN_PRI_SSIZE "zd"
+#define ASN_PRIuMAX PRIuMAX
+#define ASN_PRIdMAX PRIdMAX
+#else
+#define ASN_PRI_SIZE "lu"
+#define ASN_PRI_SSIZE "ld"
+#if LLONG_MAX > LONG_MAX
+#define ASN_PRIuMAX "llu"
+#define ASN_PRIdMAX "lld"
+#else
+#define ASN_PRIuMAX "lu"
+#define ASN_PRIdMAX "ld"
+#endif
+#endif
+
+#endif /* ASN_SYSTEM_H */