Imported Upstream version 4.1cupstream/4.1cupstream

1 files changed, 205 insertions, 0 deletions

diff --git a/basicdefs.h b/basicdefs.h
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+++ b/basicdefs.h
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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
+# include <stdbool.h>
+#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) ((t *)(void *)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*/