208 lines
5.1 KiB
C
208 lines
5.1 KiB
C
/* Portability cruft. Include after config.h and sys/types.h.
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Copyright (C) 1996, 1998, 1999 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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#undef PARAMS
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#if defined (__STDC__) && __STDC__
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# ifndef _PTR_T
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# define _PTR_T
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typedef void * ptr_t;
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# endif
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# define PARAMS(x) x
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#else
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# ifndef _PTR_T
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# define _PTR_T
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typedef char * ptr_t;
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# endif
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# define PARAMS(x) ()
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#endif
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#ifdef HAVE_UNISTD_H
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# include <fcntl.h>
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# include <unistd.h>
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#else
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# define O_RDONLY 0
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# define SEEK_SET 0
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# define SEEK_CUR 1
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int open(), read(), close();
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#endif
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#include <errno.h>
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#ifndef errno
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extern int errno;
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#endif
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#ifndef HAVE_STRERROR
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extern int sys_nerr;
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extern char *sys_errlist[];
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# define strerror(E) (0 <= (E) && (E) < sys_nerr ? _(sys_errlist[E]) : _("Unknown system error"))
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#endif
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/* Some operating systems treat text and binary files differently. */
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#if O_BINARY
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# include <io.h>
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# ifdef HAVE_SETMODE
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# define SET_BINARY(fd) setmode (fd, O_BINARY)
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# else
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# define SET_BINARY(fd) _setmode (fd, O_BINARY)
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# endif
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#else
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# ifndef O_BINARY
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# define O_BINARY 0
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# define SET_BINARY(fd) (void)0
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# endif
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#endif
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#ifdef HAVE_DOS_FILE_NAMES
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# define IS_SLASH(c) ((c) == '/' || (c) == '\\')
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# define FILESYSTEM_PREFIX_LEN(f) ((f)[0] && (f)[1] == ':' ? 2 : 0)
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#endif
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#ifndef IS_SLASH
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# define IS_SLASH(c) ((c) == '/')
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#endif
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#ifndef FILESYSTEM_PREFIX_LEN
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# define FILESYSTEM_PREFIX_LEN(f) 0
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#endif
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/* This assumes _WIN32, like DJGPP, has D_OK. Does it? In what header? */
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#ifdef D_OK
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# ifdef EISDIR
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# define is_EISDIR(e, f) \
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((e) == EISDIR \
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|| ((e) == EACCES && access (f, D_OK) == 0 && ((e) = EISDIR, 1)))
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# else
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# define is_EISDIR(e, f) ((e) == EACCES && access (f, D_OK) == 0)
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# endif
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#endif
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#ifndef is_EISDIR
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# ifdef EISDIR
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# define is_EISDIR(e, f) ((e) == EISDIR)
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# else
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# define is_EISDIR(e, f) 0
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# endif
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#endif
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#if STAT_MACROS_BROKEN
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# undef S_ISDIR
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# undef S_ISREG
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#endif
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#if !defined(S_ISDIR) && defined(S_IFDIR)
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# define S_ISDIR(Mode) (((Mode) & S_IFMT) == S_IFDIR)
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#endif
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#if !defined(S_ISREG) && defined(S_IFREG)
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# define S_ISREG(Mode) (((Mode) & S_IFMT) == S_IFREG)
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#endif
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#ifdef STDC_HEADERS
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# include <stdlib.h>
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#else
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char *getenv ();
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ptr_t malloc(), realloc(), calloc();
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void free();
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#endif
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#if __STDC__
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# include <stddef.h>
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#endif
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#ifdef STDC_HEADERS
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# include <limits.h>
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#endif
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#ifndef CHAR_BIT
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# define CHAR_BIT 8
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#endif
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/* The extra casts work around common compiler bugs. */
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#define TYPE_SIGNED(t) (! ((t) 0 < (t) -1))
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#define TYPE_MINIMUM(t) ((t) (TYPE_SIGNED (t) \
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? ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1) \
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: (t) 0))
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#define TYPE_MAXIMUM(t) ((t) (~ (t) 0 - TYPE_MINIMUM (t)))
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#ifndef CHAR_MAX
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# define CHAR_MAX TYPE_MAXIMUM (char)
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#endif
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#ifndef INT_MAX
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# define INT_MAX TYPE_MAXIMUM (int)
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#endif
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#ifndef UCHAR_MAX
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# define UCHAR_MAX TYPE_MAXIMUM (unsigned char)
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#endif
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#if !defined(STDC_HEADERS) && defined(HAVE_STRING_H) && defined(HAVE_MEMORY_H)
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# include <memory.h>
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#endif
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#if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
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# include <string.h>
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#else
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# include <strings.h>
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# undef strchr
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# define strchr index
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# undef strrchr
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# define strrchr rindex
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# undef memcpy
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# define memcpy(d, s, n) bcopy (s, d, n)
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#endif
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#ifndef HAVE_MEMCHR
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ptr_t memchr();
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#endif
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#if ! defined HAVE_MEMMOVE && ! defined memmove
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# define memmove(d, s, n) bcopy (s, d, n)
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#endif
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#include <ctype.h>
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#ifndef isgraph
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# define isgraph(C) (isprint(C) && !isspace(C))
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#endif
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#if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII))
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# define IN_CTYPE_DOMAIN(c) 1
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#else
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# define IN_CTYPE_DOMAIN(c) isascii(c)
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#endif
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#define ISALPHA(C) (IN_CTYPE_DOMAIN (C) && isalpha (C))
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#define ISUPPER(C) (IN_CTYPE_DOMAIN (C) && isupper (C))
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#define ISLOWER(C) (IN_CTYPE_DOMAIN (C) && islower (C))
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#define ISDIGIT(C) (IN_CTYPE_DOMAIN (C) && isdigit (C))
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#define ISXDIGIT(C) (IN_CTYPE_DOMAIN (C) && isxdigit (C))
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#define ISSPACE(C) (IN_CTYPE_DOMAIN (C) && isspace (C))
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#define ISPUNCT(C) (IN_CTYPE_DOMAIN (C) && ispunct (C))
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#define ISALNUM(C) (IN_CTYPE_DOMAIN (C) && isalnum (C))
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#define ISPRINT(C) (IN_CTYPE_DOMAIN (C) && isprint (C))
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#define ISGRAPH(C) (IN_CTYPE_DOMAIN (C) && isgraph (C))
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#define ISCNTRL(C) (IN_CTYPE_DOMAIN (C) && iscntrl (C))
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#define TOLOWER(C) (ISUPPER(C) ? tolower(C) : (C))
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#if ENABLE_NLS
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# include <libintl.h>
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# define _(String) gettext (String)
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#else
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# define _(String) String
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#endif
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#define N_(String) String
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#if HAVE_SETLOCALE
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# include <locale.h>
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#endif
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#ifndef initialize_main
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#define initialize_main(argcp, argvp)
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#endif
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