## common-h.in -- Process this file with configure to produce common.h
## Copyright (C) 2000 Gary V. Vaughan
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2, or (at your option)
## any later version.
##  
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
##  
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

#if defined __CYGWIN32__ && !defined __CYGWIN__
#  define __CYGWIN__ __CYGWIN32__
#endif
#if defined __CYGWIN__ && !defined WIN32
#  define WIN32
#endif

#ifndef WIFEXITED
#  define WIFEXITED(stat)      (((stat) & 0xff) == 0)
#endif
#ifndef WEXITSTATUS
#  define WEXITSTATUS(stat)    ((unsigned)(stat) >> 8)
#endif
#ifndef WIFSTOPPED
#  define WIFSTOPPED(stat)     (((stat) & 0xff) == 0x7f)
#endif
#ifndef WSTOPSIG
#  define WSTOPSIG(stat)       WEXITSTATUS(stat)
#endif
#ifndef WIFSIGNALED
#  define WIFSIGNALED(stat)    (!WIFEXITED(stat) && !WIFSTOPPED(stat))
#endif
#ifndef WTERMSIG
#  define WTERMSIG(stat)       ((stat) & 0x7f)
#endif

#ifdef __cplusplus
#  define BEGIN_C_DECLS		extern "C" {
#  define END_C_DECLS		}
#else
#  define BEGIN_C_DECLS
#  define END_C_DECLS
#endif

#ifdef __GNUC__
#  ifndef const
#    define const	__const
#  endif
#  ifndef signed
#    define signed	__signed
#  endif
#  ifndef volatile
#    define volatile	__volatile
#  endif
#else
#  ifdef __STDC__
#    undef  signed
#    define signed
#    undef  volatile
#    define volatile
#  endif
#endif

#ifdef __STDC__
#define STR(x)		#x
#define CONC(x, y)	x##y
#else
#define STR(x)		"x"
#define CONC(x, y)	x/**/y
#endif

/* If FALSE is defined, we presume TRUE is defined too.  In this case,
   merely typedef boolean as being int.  Or else, define these all.  */
#ifndef FALSE
/* Do not use `enum boolean': this tag is used in SVR4 <sys/types.h>.  */
typedef enum { FALSE = 0, TRUE = 1 } myboolean;
#else
typedef int myboolean;
#endif
#ifndef boolean
#  define boolean myboolean
#endif

#ifndef EXIT_SUCCESS
#  define EXIT_SUCCESS  0
#  define EXIT_FAILURE  1
#endif

## @start 1
BEGIN_C_DECLS

#define XCALLOC(type, num)                                      \
        ((type *) xcalloc ((num), sizeof(type)))
#define XMALLOC(type, num)                                      \
        ((type *) xmalloc ((num) * sizeof(type)))
#define XREALLOC(type, p, num)                                  \
        ((type *) xrealloc ((p), (num) * sizeof(type)))
#define XFREE(stale)                    do {                    \
        if (stale) { free ((void *) stale);  stale = 0; }       \
                                        } while (0)

extern void *xcalloc          (size_t num, size_t size);
extern void *xmalloc          (size_t num);
extern void *xrealloc         (void *p, size_t num);
extern char *xstrdup          (const char *string);

END_C_DECLS

#if WITH_DMALLOC
#  include <dmalloc.h>
#endif
## @end 1

## Local variables:
## mode: C
## End: