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[binutils.git] / include / filenames.h
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1 /* Macros for taking apart, interpreting and processing file names.
3 These are here because some non-Posix (a.k.a. DOSish) systems have
4 drive letter brain-damage at the beginning of an absolute file name,
5 use forward- and back-slash in path names interchangeably, and
6 some of them have case-insensitive file names.
8 Copyright 2000, 2001, 2007, 2010 Free Software Foundation, Inc.
10 This file is part of BFD, the Binary File Descriptor library.
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 2 of the License, or
15 (at your option) any later version.
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
22 You should have received a copy of the GNU General Public License
23 along with this program; if not, write to the Free Software
24 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
26 #ifndef FILENAMES_H
27 #define FILENAMES_H
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
33 #if defined(__MSDOS__) || defined(_WIN32) || defined(__OS2__) || defined (__CYGWIN__)
34 # ifndef HAVE_DOS_BASED_FILE_SYSTEM
35 # define HAVE_DOS_BASED_FILE_SYSTEM 1
36 # endif
37 # define HAS_DRIVE_SPEC(f) HAS_DOS_DRIVE_SPEC (f)
38 # define IS_DIR_SEPARATOR(c) IS_DOS_DIR_SEPARATOR (c)
39 # define IS_ABSOLUTE_PATH(f) IS_DOS_ABSOLUTE_PATH (f)
40 #else /* not DOSish */
41 # define HAS_DRIVE_SPEC(f) (0)
42 # define IS_DIR_SEPARATOR(c) IS_UNIX_DIR_SEPARATOR (c)
43 # define IS_ABSOLUTE_PATH(f) IS_UNIX_ABSOLUTE_PATH (f)
44 #endif
46 #define IS_DIR_SEPARATOR_1(dos_based, c) \
47 (((c) == '/') \
48 || (((c) == '\\') && (dos_based)))
50 #define HAS_DRIVE_SPEC_1(dos_based, f) \
51 ((f)[0] && ((f)[1] == ':') && (dos_based))
53 /* Remove the drive spec from F, assuming HAS_DRIVE_SPEC (f).
54 The result is a pointer to the remainder of F. */
55 #define STRIP_DRIVE_SPEC(f) ((f) + 2)
57 #define IS_DOS_DIR_SEPARATOR(c) IS_DIR_SEPARATOR_1 (1, c)
58 #define IS_DOS_ABSOLUTE_PATH(f) IS_ABSOLUTE_PATH_1 (1, f)
59 #define HAS_DOS_DRIVE_SPEC(f) HAS_DRIVE_SPEC_1 (1, f)
61 #define IS_UNIX_DIR_SEPARATOR(c) IS_DIR_SEPARATOR_1 (0, c)
62 #define IS_UNIX_ABSOLUTE_PATH(f) IS_ABSOLUTE_PATH_1 (0, f)
64 /* Note that when DOS_BASED is true, IS_ABSOLUTE_PATH accepts d:foo as
65 well, although it is only semi-absolute. This is because the users
66 of IS_ABSOLUTE_PATH want to know whether to prepend the current
67 working directory to a file name, which should not be done with a
68 name like d:foo. */
69 #define IS_ABSOLUTE_PATH_1(dos_based, f) \
70 (IS_DIR_SEPARATOR_1 (dos_based, (f)[0]) \
71 || HAS_DRIVE_SPEC_1 (dos_based, f))
73 extern int filename_cmp (const char *s1, const char *s2);
74 #define FILENAME_CMP(s1, s2) filename_cmp(s1, s2)
76 #ifdef __cplusplus
78 #endif
80 #endif /* FILENAMES_H */