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ruby--ruby/defines.h
matz 088fb2a36e * gc.c (ruby_xmalloc2): change check for integer overflow.
[ruby-dev:27399]

* gc.c (ruby_xrealloc2): ditto.

* eval.c (exec_under): avoid accessing ruby_frame->prev.
  [ruby-dev:27948]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9647 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2005-12-06 07:52:18 +00:00

263 lines
5.8 KiB
C

/************************************************
defines.h -
$Author$
$Date$
created at: Wed May 18 00:21:44 JST 1994
************************************************/
#ifndef DEFINES_H
#define DEFINES_H
#define RUBY
#ifdef __cplusplus
# ifndef HAVE_PROTOTYPES
# define HAVE_PROTOTYPES 1
# endif
# ifndef HAVE_STDARG_PROTOTYPES
# define HAVE_STDARG_PROTOTYPES 1
# endif
#endif
#undef _
#ifdef HAVE_PROTOTYPES
# define _(args) args
#else
# define _(args) ()
#endif
#undef __
#ifdef HAVE_STDARG_PROTOTYPES
# define __(args) args
#else
# define __(args) ()
#endif
#ifdef __cplusplus
#define ANYARGS ...
#else
#define ANYARGS
#endif
#define xmalloc ruby_xmalloc
#define xmalloc2 ruby_xmalloc2
#define xcalloc ruby_xcalloc
#define xrealloc ruby_xrealloc
#define xrealloc2 ruby_xrealloc2
#define xfree ruby_xfree
void *xmalloc(size_t);
void *xmalloc2(size_t,size_t);
void *xcalloc(size_t,size_t);
void *xrealloc(void*,size_t);
void *xrealloc2(void*,size_t,size_t);
void xfree(void*);
#if SIZEOF_LONG_LONG > 0
# define LONG_LONG long long
#elif SIZEOF___INT64 > 0
# define HAVE_LONG_LONG 1
# define LONG_LONG __int64
# undef SIZEOF_LONG_LONG
# define SIZEOF_LONG_LONG SIZEOF___INT64
#endif
#if SIZEOF_INT*2 <= SIZEOF_LONG_LONG
# define BDIGIT unsigned int
# define SIZEOF_BDIGITS SIZEOF_INT
# define BDIGIT_DBL unsigned LONG_LONG
# define BDIGIT_DBL_SIGNED LONG_LONG
#elif SIZEOF_INT*2 <= SIZEOF_LONG
# define BDIGIT unsigned int
# define SIZEOF_BDIGITS SIZEOF_INT
# define BDIGIT_DBL unsigned long
# define BDIGIT_DBL_SIGNED long
#elif SIZEOF_SHORT*2 <= SIZEOF_LONG
# define BDIGIT unsigned short
# define SIZEOF_BDIGITS SIZEOF_SHORT
# define BDIGIT_DBL unsigned long
# define BDIGIT_DBL_SIGNED long
#else
# define BDIGIT unsigned short
# define SIZEOF_BDIGITS (SIZEOF_LONG/2)
# define BDIGIT_DBL unsigned long
# define BDIGIT_DBL_SIGNED long
#endif
#ifdef __CYGWIN__
#undef _WIN32
#endif
#if defined(MSDOS) || defined(_WIN32) || defined(__human68k__) || defined(__EMX__)
#define DOSISH 1
#ifndef _WIN32_WCE
# define DOSISH_DRIVE_LETTER
#endif
#endif
/* define RUBY_USE_EUC/SJIS for default kanji-code */
#ifndef DEFAULT_KCODE
#if defined(DOSISH) || defined(__CYGWIN__) || defined(__MACOS__) || defined(OS2)
#define DEFAULT_KCODE KCODE_SJIS
#else
#define DEFAULT_KCODE KCODE_EUC
#endif
#endif
#ifdef __NeXT__
/* NextStep, OpenStep, Rhapsody */
#ifndef S_IRUSR
#define S_IRUSR 0000400 /* read permission, owner */
#endif
#ifndef S_IRGRP
#define S_IRGRP 0000040 /* read permission, group */
#endif
#ifndef S_IROTH
#define S_IROTH 0000004 /* read permission, other */
#endif
#ifndef S_IWUSR
#define S_IWUSR 0000200 /* write permission, owner */
#endif
#ifndef S_IWGRP
#define S_IWGRP 0000020 /* write permission, group */
#endif
#ifndef S_IWOTH
#define S_IWOTH 0000002 /* write permission, other */
#endif
#ifndef S_IXUSR
#define S_IXUSR 0000100 /* execute/search permission, owner */
#endif
#ifndef S_IXGRP
#define S_IXGRP 0000010 /* execute/search permission, group */
#endif
#ifndef S_IXOTH
#define S_IXOTH 0000001 /* execute/search permission, other */
#endif
#ifndef S_IRWXU
#define S_IRWXU 0000700 /* read, write, execute permissions, owner */
#endif
#ifndef S_IRWXG
#define S_IRWXG 0000070 /* read, write, execute permissions, group */
#endif
#ifndef S_IRWXO
#define S_IRWXO 0000007 /* read, write, execute permissions, other */
#endif
#ifndef S_ISBLK
#define S_ISBLK(mode) (((mode) & (0170000)) == (0060000))
#endif
#ifndef S_ISCHR
#define S_ISCHR(mode) (((mode) & (0170000)) == (0020000))
#endif
#ifndef S_ISDIR
#define S_ISDIR(mode) (((mode) & (0170000)) == (0040000))
#endif
#ifndef S_ISFIFO
#define S_ISFIFO(mode) (((mode) & (0170000)) == (0010000))
#endif
#ifndef S_ISREG
#define S_ISREG(mode) (((mode) & (0170000)) == (0100000))
#endif
/* Do not trust WORDS_BIGENDIAN from configure since -arch compiler flag may
result in a different endian. Instead trust __BIG_ENDIAN__ and
__LITTLE_ENDIAN__ which are set correctly by -arch. */
#undef WORDS_BIGENDIAN
#ifdef __BIG_ENDIAN__
#define WORDS_BIGENDIAN
#endif
#ifndef __APPLE__
/* NextStep, OpenStep (but not Rhapsody) */
#ifndef GETPGRP_VOID
#define GETPGRP_VOID 1
#endif
#ifndef WNOHANG
#define WNOHANG 01
#endif
#ifndef WUNTRACED
#define WUNTRACED 02
#endif
#ifndef X_OK
#define X_OK 1
#endif
#endif /* __APPLE__ */
#endif /* NeXT */
#ifdef _WIN32
#include "win32/win32.h"
#endif
#if defined(__VMS)
#include "vms/vms.h"
#endif
#if defined(__BEOS__)
#include <net/socket.h> /* intern.h needs fd_set definition */
#endif
#ifdef RUBY_EXPORT
#undef RUBY_EXTERN
#endif
#ifndef RUBY_EXTERN
#define RUBY_EXTERN extern
#endif
#ifndef EXTERN
#define EXTERN RUBY_EXTERN /* deprecated */
#endif
#ifndef RUBY_MBCHAR_MAXSIZE
#define RUBY_MBCHAR_MAXSIZE INT_MAX
/* MB_CUR_MAX will not work well in C locale */
#endif
#if defined(sparc) || defined(__sparc__)
static inline void
flush_register_windows(void)
{
asm
#ifdef __GNUC__
volatile
#endif
# if defined(__sparc_v9__) || defined(__sparcv9) || defined(__arch64__)
("flushw")
# elif defined(linux) || defined(__linux__)
("ta 0x83")
# else /* Solaris, OpenBSD, NetBSD, etc. */
("ta 0x03")
# endif /* trap always to flush register windows if we are on a Sparc system */
;
}
# define FLUSH_REGISTER_WINDOWS flush_register_windows()
#elif defined(__ia64__)
NOINLINE(void flush_register_windows(void));
# define FLUSH_REGISTER_WINDOWS flush_register_windows()
#else
# define FLUSH_REGISTER_WINDOWS ((void)0)
#endif
#if defined(DOSISH)
#define PATH_SEP ";"
#elif defined(riscos)
#define PATH_SEP ","
#else
#define PATH_SEP ":"
#endif
#define PATH_SEP_CHAR PATH_SEP[0]
#if defined(__human68k__)
#define PATH_ENV "path"
#else
#define PATH_ENV "PATH"
#endif
#if defined(DOSISH) && !defined(__human68k__) && !defined(__EMX__)
#define ENV_IGNORECASE
#endif
#ifndef RUBY_PLATFORM
#define RUBY_PLATFORM "unknown-unknown"
#endif
#endif