merge from gcc

This commit is contained in:
DJ Delorie 2010-04-24 01:03:21 +00:00
parent 6573024339
commit 2cd2156f48
6 changed files with 100 additions and 27 deletions

View file

@ -31,34 +31,46 @@ extern "C" {
#endif
#if defined(__MSDOS__) || defined(_WIN32) || defined(__OS2__) || defined (__CYGWIN__)
#ifndef HAVE_DOS_BASED_FILE_SYSTEM
#define HAVE_DOS_BASED_FILE_SYSTEM 1
# ifndef HAVE_DOS_BASED_FILE_SYSTEM
# define HAVE_DOS_BASED_FILE_SYSTEM 1
# endif
# define PATH_SEPARATOR ';'
# define HAS_DRIVE_SPEC(f) HAS_DOS_DRIVE_SPEC (f)
# define IS_DIR_SEPARATOR(c) IS_DOS_DIR_SEPARATOR (c)
# define IS_ABSOLUTE_PATH(f) IS_DOS_ABSOLUTE_PATH (f)
#else /* not DOSish */
# define PATH_SEPARATOR ':'
# define HAS_DRIVE_SPEC(f) (0)
# define IS_DIR_SEPARATOR(c) IS_UNIX_DIR_SEPARATOR (c)
# define IS_ABSOLUTE_PATH(f) IS_UNIX_ABSOLUTE_PATH (f)
#endif
#define IS_DIR_SEPARATOR(c) ((c) == '/' || (c) == '\\')
#define IS_DIR_SEPARATOR_1(dos_based, c) \
(((c) == '/') \
|| (((c) == '\\') && (dos_based)))
#define HAS_DRIVE_SPEC(f) (((f)[0]) && ((f)[1] == ':'))
#define HAS_DRIVE_SPEC_1(dos_based, f) \
((f)[0] && ((f)[1] == ':') && (dos_based))
/* Remove the drive spec from F, assuming HAS_DRIVE_SPEC (f).
The result is a pointer to the remainder of F. */
#define STRIP_DRIVE_SPEC(f) ((f) + 2)
/* Note that IS_ABSOLUTE_PATH accepts d:foo as well, although it is
only semi-absolute. This is because the users of IS_ABSOLUTE_PATH
want to know whether to prepend the current working directory to
a file name, which should not be done with a name like d:foo. */
#define IS_ABSOLUTE_PATH(f) (IS_DIR_SEPARATOR((f)[0]) || HAS_DRIVE_SPEC(f))
#define IS_DOS_DIR_SEPARATOR(c) IS_DIR_SEPARATOR_1 (1, c)
#define IS_DOS_ABSOLUTE_PATH(f) IS_ABSOLUTE_PATH_1 (1, f)
#define HAS_DOS_DRIVE_SPEC(f) HAS_DRIVE_SPEC_1 (1, f)
#else /* not DOSish */
#define IS_UNIX_DIR_SEPARATOR(c) IS_DIR_SEPARATOR_1 (0, c)
#define IS_UNIX_ABSOLUTE_PATH(f) IS_ABSOLUTE_PATH_1 (0, f)
#define IS_DIR_SEPARATOR(c) ((c) == '/')
#define IS_ABSOLUTE_PATH(f) (IS_DIR_SEPARATOR((f)[0]))
#define HAS_DRIVE_SPEC(f) (0)
#define STRIP_DRIVE_SPEC(f) (f)
#endif /* not DOSish */
/* Note that when DOS_BASED is true, IS_ABSOLUTE_PATH accepts d:foo as
well, although it is only semi-absolute. This is because the users
of IS_ABSOLUTE_PATH want to know whether to prepend the current
working directory to a file name, which should not be done with a
name like d:foo. */
#define IS_ABSOLUTE_PATH_1(dos_based, f) \
(IS_DIR_SEPARATOR_1 (dos_based, (f)[0]) \
|| HAS_DRIVE_SPEC_1 (dos_based, f))
extern int filename_cmp (const char *s1, const char *s2);
#define FILENAME_CMP(s1, s2) filename_cmp(s1, s2)