xref: /onnv-gate/usr/src/cmd/perl/5.8.4/distrib/util.h (revision 0:68f95e015346)
1 /*    util.h
2  *
3  *    Copyright (C) 1991, 1992, 1993, 1999, 2001, 2002,
4  *    by Larry Wall and others
5  *
6  *    You may distribute under the terms of either the GNU General Public
7  *    License or the Artistic License, as specified in the README file.
8  *
9  */
10 
11 #ifdef VMS
12 #  define PERL_FILE_IS_ABSOLUTE(f) \
13 	(*(f) == '/'							\
14 	 || (strchr(f,':')						\
15 	     || ((*(f) == '[' || *(f) == '<')				\
16 		 && (isALNUM((f)[1]) || strchr("$-_]>",(f)[1])))))
17 
18 #else		/* !VMS */
19 #  ifdef WIN32
20 #    define PERL_FILE_IS_ABSOLUTE(f) \
21 	(*(f) == '/' || *(f) == '\\'		/* UNC/rooted path */	\
22 	 || ((f)[0] && (f)[1] == ':'))		/* drive name */
23 #  else		/* !WIN32 */
24 #  ifdef NETWARE
25 #    define PERL_FILE_IS_ABSOLUTE(f) \
26 	(((f)[0] && (f)[1] == ':')		/* drive name */	\
27 	 || ((f)[0] == '\\' && (f)[1] == '\\')	/* UNC path */	\
28 	 ||	((f)[3] == ':'))				/* volume name, currently only sys */
29 #  else		/* !NETWARE */
30 #    if defined( DOSISH) || defined(EPOC)
31 #      define PERL_FILE_IS_ABSOLUTE(f) \
32 	(*(f) == '/'							\
33 	 || ((f)[0] && (f)[1] == ':'))		/* drive name */
34 #    else	/* NEITHER DOSISH NOR EPOCISH */
35 #      ifdef MACOS_TRADITIONAL
36 #        define PERL_FILE_IS_ABSOLUTE(f)	(strchr(f, ':') && *(f) != ':')
37 #      else /* !MACOS_TRADITIONAL */
38 #        define PERL_FILE_IS_ABSOLUTE(f)	(*(f) == '/')
39 #      endif /* MACOS_TRADITIONAL */
40 #    endif	/* DOSISH */
41 #   endif	/* NETWARE */
42 #  endif	/* WIN32 */
43 #endif		/* VMS */
44