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/* GNU SED, a batch stream editor.
Copyright (C) 1998, 1999, 2002, 2003 Free Software Foundation, Inc.
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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#ifndef BASICDEFS_H
#define BASICDEFS_H
#if defined(_AIX)
#pragma alloca
#else
# if !defined(alloca) /* predefined by HP cc +Olibcalls */
# ifdef __GNUC__
# define alloca(size) __builtin_alloca(size)
# else
# if HAVE_ALLOCA_H
# include <alloca.h>
# else
# if defined(__hpux)
void *alloca ();
# else
# if !defined(__OS2__) && !defined(WIN32)
char *alloca ();
# else
# include <malloc.h> /* OS/2 defines alloca in here */
# endif
# endif
# endif
# endif
# endif
#endif
#ifdef HAVE_WCHAR_H
# include <wchar.h>
#endif
#ifdef HAVE_LOCALE_H
# include <locale.h>
#endif
#ifdef HAVE_WCTYPE_H
# include <wctype.h>
#endif
#ifdef BOOTSTRAP
# define false 0
# define true 1
# define bool unsigned
# define __bool_true_false_are_defined 1
#else
# if HAVE_STDBOOL_H
# include <stdbool.h>
# endif
#endif
#if ENABLE_NLS
# include <libintl.h>
#else
# define gettext(msgid) (msgid)
# define ngettext(sing, plur, n) ((n) == 1 ? (sing) : (plur))
#endif
#define _(String) gettext(String)
#ifdef gettext_noop
# define N_(String) gettext_noop(String)
#else
# define N_(String) (String)
#endif
/* type countT is used to keep track of line numbers, etc. */
typedef unsigned long countT;
/* Oftentimes casts are used as an ugly hack to silence warnings
* from the compiler. However, sometimes those warnings really
* do point to something worth avoiding. I define this
* dummy marker to make searching for them with a text editor
* much easier, in case I want to verify that they are all
* legitimate. It is defined in the way it is so that it is
* easy to disable all casts so that the compiler (or lint)
* can tell me potentially interesting things about what would
* happen to the code without the explicit casts.
*/
#ifdef LOUD_LINT
# define CAST(x)
#else
# define CAST(x) (x)
#endif
/* Can the compiler grok function prototypes? */
#if (defined __STDC__ && __STDC__-0) || defined __GNUC__ || defined __SUNPRO_C || __PROTOTYPES
# define P_(s) s
#else
# define P_(s) ()
#endif
/* (VOID *) is the generic pointer type; some ancient compilers
don't know about (void *), and typically use (char *) instead.
VCAST() is used to cast to and from (VOID *)s --- but if the
compiler *does* support (void *) make this a no-op, so that
the compiler can detect if we omitted an essential function
declaration somewhere.
*/
#ifndef VOID
# define VOID void
# define VCAST(t)
#else
# define VCAST(t) (t)
#endif
/* some basic definitions to avoid undue promulgating of VCAST ugliness */
#define MALLOC(n,t) (VCAST(t *)ck_malloc((n)*sizeof(t)))
#define REALLOC(x,n,t) (VCAST(t *)ck_realloc(VCAST(VOID *)(x),(n)*sizeof(t)))
#define MEMDUP(x,n,t) (VCAST(t *)ck_memdup(VCAST(VOID *)(x),(n)*sizeof(t)))
#define FREE(x) (ck_free(VCAST(VOID *)x))
#define MEMCPY(d,s,l) (memcpy(VCAST(VOID *)(d),VCAST(const VOID *)(s),l))
#define MEMMOVE(d,s,l) (memmove(VCAST(VOID *)(d),VCAST(const VOID *)(s),l))
#define OB_MALLOC(o,n,t) (VCAST(t *)obstack_alloc(o,(n)*sizeof(t)))
#define obstack_chunk_alloc ck_malloc
#define obstack_chunk_free ck_free
#ifdef HAVE_MEMORY_H
# include <memory.h>
#endif
#ifndef HAVE_MEMMOVE
# ifndef memmove
/* ../lib/libsed.a provides a memmove() if the system doesn't.
Here is where we declare its return type; we don't prototype
it because that sometimes causes problems when we're running in
bootstrap mode on a system which really does support memmove(). */
extern VOID *memmove();
# endif
#endif
#ifndef HAVE_MEMCPY
# ifndef memcpy
# define memcpy(d, s, n) memmove(d, s, n)
# endif
#endif
#ifndef HAVE_STRERROR
extern char *strerror P_((int e));
#endif
/* handle misdesigned <ctype.h> macros (snarfed from lib/regex.c) */
/* Jim Meyering writes:
"... Some ctype macros are valid only for character codes that
isascii says are ASCII (SGI's IRIX-4.0.5 is one such system --when
using /bin/cc or gcc but without giving an ansi option). So, all
ctype uses should be through macros like ISPRINT... If
STDC_HEADERS is defined, then autoconf has verified that the ctype
macros don't need to be guarded with references to isascii. ...
Defining isascii to 1 should let any compiler worth its salt
eliminate the && through constant folding."
Solaris defines some of these symbols so we must undefine them first. */
#undef ISASCII
#if defined STDC_HEADERS || (!defined isascii && !defined HAVE_ISASCII)
# define ISASCII(c) 1
#else
# define ISASCII(c) isascii(c)
#endif
#if defined isblank || defined HAVE_ISBLANK
# define ISBLANK(c) (ISASCII (c) && isblank (c))
#else
# define ISBLANK(c) ((c) == ' ' || (c) == '\t')
#endif
#undef ISPRINT
#define ISPRINT(c) (ISASCII (c) && isprint (c))
#define ISDIGIT(c) (ISASCII (c) && isdigit (c))
#define ISALNUM(c) (ISASCII (c) && isalnum (c))
#define ISALPHA(c) (ISASCII (c) && isalpha (c))
#define ISCNTRL(c) (ISASCII (c) && iscntrl (c))
#define ISLOWER(c) (ISASCII (c) && islower (c))
#define ISPUNCT(c) (ISASCII (c) && ispunct (c))
#define ISSPACE(c) (ISASCII (c) && isspace (c))
#define ISUPPER(c) (ISASCII (c) && isupper (c))
#define ISXDIGIT(c) (ISASCII (c) && isxdigit (c))
#ifndef initialize_main
# ifdef __EMX__
# define initialize_main(argcp, argvp) \
{ _response(argcp, argvp); _wildcard(argcp, argvp); }
# else /* NOT __EMX__ */
# define initialize_main(argcp, argvp)
# endif
#endif
#endif /*!BASICDEFS_H*/
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