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Diffstat (limited to 'basicdefs.h')
| -rw-r--r-- | basicdefs.h | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/basicdefs.h b/basicdefs.h new file mode 100644 index 0000000..c36cc6f --- /dev/null +++ b/basicdefs.h @@ -0,0 +1,205 @@ +/* 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) (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*/ |