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1 /* Macros for taking apart, interpreting and processing file names.
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2
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3 These are here because some non-Posix (a.k.a. DOSish) systems have
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4 drive letter brain-damage at the beginning of an absolute file name,
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5 use forward- and back-slash in path names interchangeably, and
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6 some of them have case-insensitive file names.
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7
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8 Copyright 2000, 2001, 2007 Free Software Foundation, Inc.
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9
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10 This file is part of BFD, the Binary File Descriptor library.
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11
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12 This program is free software; you can redistribute it and/or modify
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13 it under the terms of the GNU General Public License as published by
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14 the Free Software Foundation; either version 2 of the License, or
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15 (at your option) any later version.
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16
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17 This program is distributed in the hope that it will be useful,
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18 but WITHOUT ANY WARRANTY; without even the implied warranty of
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19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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20 GNU General Public License for more details.
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21
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22 You should have received a copy of the GNU General Public License
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23 along with this program; if not, write to the Free Software
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24 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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25
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26 #ifndef FILENAMES_H
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27 #define FILENAMES_H
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28
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29 #ifdef __cplusplus
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30 extern "C" {
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31 #endif
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32
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33 #if defined(__MSDOS__) || defined(_WIN32) || defined(__OS2__) || defined (__CYGWIN__)
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34
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35 #ifndef HAVE_DOS_BASED_FILE_SYSTEM
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36 #define HAVE_DOS_BASED_FILE_SYSTEM 1
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37 #endif
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38
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39 #define IS_DIR_SEPARATOR(c) ((c) == '/' || (c) == '\\')
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40 /* Note that IS_ABSOLUTE_PATH accepts d:foo as well, although it is
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41 only semi-absolute. This is because the users of IS_ABSOLUTE_PATH
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42 want to know whether to prepend the current working directory to
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43 a file name, which should not be done with a name like d:foo. */
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44 #define IS_ABSOLUTE_PATH(f) (IS_DIR_SEPARATOR((f)[0]) || (((f)[0]) && ((f)[1] == ':')))
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45
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46 #else /* not DOSish */
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47
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48 #define IS_DIR_SEPARATOR(c) ((c) == '/')
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49 #define IS_ABSOLUTE_PATH(f) (IS_DIR_SEPARATOR((f)[0]))
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50
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51 #endif /* not DOSish */
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52
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53 extern int filename_cmp (const char *s1, const char *s2);
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54 #define FILENAME_CMP(s1, s2) filename_cmp(s1, s2)
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55
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56 #ifdef __cplusplus
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57 }
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58 #endif
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59
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60 #endif /* FILENAMES_H */
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