relax restrictions on constant names a bit (from M J T Guy)
[p5sagit/p5-mst-13.2.git] / util.h
CommitLineData
a0d0e21e 1/* util.h
a687059c 2 *
3818b22b 3 * Copyright (c) 1991-2000, Larry Wall
a687059c 4 *
d48672a2 5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
8d063cd8 7 *
8d063cd8 8 */
57843af0 9
10#ifdef VMS
11# define PERL_FILE_IS_ABSOLUTE(f) \
12 (*(f) == '/' \
13 || (strchr(f,':') \
14 || ((*(f) == '[' || *(f) == '<') \
15 && (isALNUM((f)[1]) || strchr("$-_]>",(f)[1])))))
16
17#else /* !VMS */
18# ifdef WIN32
19# define PERL_FILE_IS_ABSOLUTE(f) \
20 (*(f) == '/' \
21 || ((f)[0] && (f)[1] == ':') /* drive name */ \
22 || ((f)[0] == '\\' && (f)[1] == '\\')) /* UNC path */
23# else /* !WIN32 */
24# ifdef DOSISH
25# define PERL_FILE_IS_ABSOLUTE(f) \
26 (*(f) == '/' \
27 || ((f)[0] && (f)[1] == ':')) /* drive name */
28# else /* !DOSISH */
29# define PERL_FILE_IS_ABSOLUTE(f) (*(f) == '/')
30# endif /* DOSISH */
31# endif /* WIN32 */
32#endif /* VMS */