From aca6948338bd036d404971c0744766a2e3191107 Mon Sep 17 00:00:00 2001 From: "Kaveh R. Ghazi" Date: Fri, 13 Feb 1998 00:22:24 +0000 Subject: [PATCH] system.h: New file to get common systems includes and various definitions and... * system.h: New file to get common systems includes and various definitions and declarations based on autoconf macros. From-SVN: r17891 --- gcc/ChangeLog | 5 ++ gcc/system.h | 188 ++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 193 insertions(+) create mode 100644 gcc/system.h diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7ac40d5b935..8622556052f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi + + * system.h: New file to get common systems includes and various + definitions and declarations based on autoconf macros. + Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com) * cccp.c (new_include_prefix): Correctly handle -I./. diff --git a/gcc/system.h b/gcc/system.h new file mode 100644 index 00000000000..920e5128c68 --- /dev/null +++ b/gcc/system.h @@ -0,0 +1,188 @@ +/* system.h - Get common system includes and various definitions and + declarations based on autoconf macros. + Copyright (C) 1998 Free Software Foundation, Inc. + + */ + +#ifndef __GCC_SYSTEM_H__ +#define __GCC_SYSTEM_H__ + +#include +#include + +/* 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." + + Bruno Haible adds: + + "... Furthermore, isupper(c) etc. have an undefined result if c is + outside the range -1 <= c <= 255. One is tempted to write isupper(c) + with c being of type `char', but this is wrong if c is an 8-bit + character >= 128 which gets sign-extended to a negative value. + The macro ISUPPER protects against this as well." */ + +#if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII)) +# define IN_CTYPE_DOMAIN(c) 1 +#else +# define IN_CTYPE_DOMAIN(c) isascii(c) +#endif + +#ifdef isblank +# define ISBLANK(c) (IN_CTYPE_DOMAIN (c) && isblank (c)) +#else +# define ISBLANK(c) ((c) == ' ' || (c) == '\t') +#endif +#ifdef isgraph +# define ISGRAPH(c) (IN_CTYPE_DOMAIN (c) && isgraph (c)) +#else +# define ISGRAPH(c) (IN_CTYPE_DOMAIN (c) && isprint (c) && !isspace (c)) +#endif + +#define ISPRINT(c) (IN_CTYPE_DOMAIN (c) && isprint (c)) +#define ISALNUM(c) (IN_CTYPE_DOMAIN (c) && isalnum (c)) +#define ISALPHA(c) (IN_CTYPE_DOMAIN (c) && isalpha (c)) +#define ISCNTRL(c) (IN_CTYPE_DOMAIN (c) && iscntrl (c)) +#define ISLOWER(c) (IN_CTYPE_DOMAIN (c) && islower (c)) +#define ISPUNCT(c) (IN_CTYPE_DOMAIN (c) && ispunct (c)) +#define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace (c)) +#define ISUPPER(c) (IN_CTYPE_DOMAIN (c) && isupper (c)) +#define ISXDIGIT(c) (IN_CTYPE_DOMAIN (c) && isxdigit (c)) +#define ISDIGIT_LOCALE(c) (IN_CTYPE_DOMAIN (c) && isdigit (c)) + +/* ISDIGIT differs from ISDIGIT_LOCALE, as follows: + - Its arg may be any int or unsigned int; it need not be an unsigned char. + - It's guaranteed to evaluate its argument exactly once. + - It's typically faster. + Posix 1003.2-1992 section 2.5.2.1 page 50 lines 1556-1558 says that + only '0' through '9' are digits. Prefer ISDIGIT to ISDIGIT_LOCALE unless + it's important to use the locale's definition of `digit' even when the + host does not conform to Posix. */ +#define ISDIGIT(c) ((unsigned) (c) - '0' <= 9) + + +#include +#include +#include + +#ifndef errno +extern int errno; +#endif + +#ifdef HAVE_STRING_H +# include +#else +# ifdef HAVE_STRINGS_H +# include +# endif +#endif + +#ifdef HAVE_STDLIB_H +# include +#endif + +#ifdef HAVE_UNISTD_H +# include +#endif + +#ifdef HAVE_SYS_PARAM_H +# include +#endif + +#if HAVE_LIMITS_H +# include +#endif + +#ifdef TIME_WITH_SYS_TIME +# include +# include +#else +# if HAVE_SYS_TIME_H +# include +# else +# include +#endif +#endif + +#ifdef HAVE_FCNTL_H +# include +#else +# include +#endif + +#ifndef SEEK_SET +# define SEEK_SET 0 +# define SEEK_CUR 1 +# define SEEK_END 2 +#endif +#ifndef F_OK +# define F_OK 0 +# define X_OK 1 +# define W_OK 2 +# define R_OK 4 +#endif + + + +#ifndef bcopy +# ifdef HAVE_BCOPY +# ifdef NEED_DECLARATION_BCOPY +void bcopy (); +# endif +# else /* ! HAVE_BCOPY */ +# define bcopy(src,dst,len) memcpy ((dst),(src),(len)) +# endif +#endif + +#ifndef bcmp +# ifdef HAVE_BCMP +# ifdef NEED_DECLARATION_BCMP +void bcmp (); +# endif +# else /* ! HAVE_BCMP */ +# define bcmp(left,right,len) memcmp ((left),(right),(len)) +# endif +#endif + +#ifndef bzero +# ifdef HAVE_BZERO +# ifdef NEED_DECLARATION_BZERO +void bzero (); +# endif +# else /* ! HAVE_BZERO */ +# define bzero(dst,len) memset ((dst),0,(len)) +# endif +#endif + +#ifndef index +# ifdef HAVE_INDEX +# ifdef NEED_DECLARATION_INDEX +extern char *index (); +# endif +# else /* ! HAVE_INDEX */ +# define index strchr +# endif +#endif + +#ifndef rindex +# ifdef HAVE_RINDEX +# ifdef NEED_DECLARATION_RINDEX +extern char *rindex (); +# endif +# else /* ! HAVE_RINDEX */ +# define rindex strrchr +# endif +#endif + +#ifdef NEED_DECLARATION_FREE +extern void free (); +#endif + +#endif /* __GCC_SYSTEM_H__ */