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annotate include/filenames.h @ 67:f6334be47118

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update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
date Tue, 22 Mar 2011 17:18:12 +0900
parents b7f97abdc517
children 04ced10e8804
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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8 Copyright 2000, 2001, 2007, 2010 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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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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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 # ifndef HAVE_DOS_BASED_FILE_SYSTEM
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35 # define HAVE_DOS_BASED_FILE_SYSTEM 1
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36 # endif
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37 # define HAS_DRIVE_SPEC(f) HAS_DOS_DRIVE_SPEC (f)
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38 # define IS_DIR_SEPARATOR(c) IS_DOS_DIR_SEPARATOR (c)
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39 # define IS_ABSOLUTE_PATH(f) IS_DOS_ABSOLUTE_PATH (f)
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40 #else /* not DOSish */
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41 # define HAS_DRIVE_SPEC(f) (0)
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42 # define IS_DIR_SEPARATOR(c) IS_UNIX_DIR_SEPARATOR (c)
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43 # define IS_ABSOLUTE_PATH(f) IS_UNIX_ABSOLUTE_PATH (f)
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44 #endif
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45
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46 #define IS_DIR_SEPARATOR_1(dos_based, c) \
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47 (((c) == '/') \
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48 || (((c) == '\\') && (dos_based)))
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49
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50 #define HAS_DRIVE_SPEC_1(dos_based, f) \
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51 ((f)[0] && ((f)[1] == ':') && (dos_based))
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52
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53 /* Remove the drive spec from F, assuming HAS_DRIVE_SPEC (f).
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54 The result is a pointer to the remainder of F. */
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55 #define STRIP_DRIVE_SPEC(f) ((f) + 2)
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57 #define IS_DOS_DIR_SEPARATOR(c) IS_DIR_SEPARATOR_1 (1, c)
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58 #define IS_DOS_ABSOLUTE_PATH(f) IS_ABSOLUTE_PATH_1 (1, f)
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59 #define HAS_DOS_DRIVE_SPEC(f) HAS_DRIVE_SPEC_1 (1, f)
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61 #define IS_UNIX_DIR_SEPARATOR(c) IS_DIR_SEPARATOR_1 (0, c)
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62 #define IS_UNIX_ABSOLUTE_PATH(f) IS_ABSOLUTE_PATH_1 (0, f)
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64 /* Note that when DOS_BASED is true, IS_ABSOLUTE_PATH accepts d:foo as
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65 well, although it is only semi-absolute. This is because the users
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66 of IS_ABSOLUTE_PATH want to know whether to prepend the current
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67 working directory to a file name, which should not be done with a
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68 name like d:foo. */
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69 #define IS_ABSOLUTE_PATH_1(dos_based, f) \
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70 (IS_DIR_SEPARATOR_1 (dos_based, (f)[0]) \
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71 || HAS_DRIVE_SPEC_1 (dos_based, f))
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72
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73 extern int filename_cmp (const char *s1, const char *s2);
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74 #define FILENAME_CMP(s1, s2) filename_cmp(s1, s2)
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76 extern int filename_ncmp (const char *s1, const char *s2,
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77 size_t n);
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78
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79 #ifdef __cplusplus
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80 }
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81 #endif
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83 #endif /* FILENAMES_H */