| 1 | /* Macros for taking apart, interpreting and processing file names. |
| 2 | |
| 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. |
| 7 | |
| 8 | Copyright 2000, 2001, 2007, 2010 Free Software Foundation, Inc. |
| 9 | |
| 10 | This file is part of BFD, the Binary File Descriptor library. |
| 11 | |
| 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. |
| 16 | |
| 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. |
| 21 | |
| 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. */ |
| 25 | |
| 26 | #ifndef FILENAMES_H |
| 27 | #define FILENAMES_H |
| 28 | |
| 29 | #ifdef __cplusplus |
| 30 | extern "C" { |
| 31 | #endif |
| 32 | |
| 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 |
| 45 | |
| 46 | #define IS_DIR_SEPARATOR_1(dos_based, c) \ |
| 47 | (((c) == '/') \ |
| 48 | || (((c) == '\\') && (dos_based))) |
| 49 | |
| 50 | #define HAS_DRIVE_SPEC_1(dos_based, f) \ |
| 51 | ((f)[0] && ((f)[1] == ':') && (dos_based)) |
| 52 | |
| 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) |
| 56 | |
| 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) |
| 60 | |
| 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) |
| 63 | |
| 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)) |
| 72 | |
| 73 | extern int filename_cmp (const char *s1, const char *s2); |
| 74 | #define FILENAME_CMP(s1, s2) filename_cmp(s1, s2) |
| 75 | |
| 76 | #ifdef __cplusplus |
| 77 | } |
| 78 | #endif |
| 79 | |
| 80 | #endif /* FILENAMES_H */ |