lattice_point.h: export fractional_part with C linkage
[barvinok.git] / lib / dirname.h
blob91e7ed33666f8cd467b404ffee8e6344f5e8d1b2
1 /* Take file names apart into directory and base names.
3 Copyright (C) 1998, 2001, 2003-2006 Free Software Foundation, Inc.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
8 any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
19 #ifndef DIRNAME_H_
20 # define DIRNAME_H_ 1
22 # include <stdbool.h>
23 # include <stddef.h>
25 # ifndef DIRECTORY_SEPARATOR
26 # define DIRECTORY_SEPARATOR '/'
27 # endif
29 # ifndef ISSLASH
30 # define ISSLASH(C) ((C) == DIRECTORY_SEPARATOR)
31 # endif
33 # ifndef FILE_SYSTEM_PREFIX_LEN
34 # if FILE_SYSTEM_ACCEPTS_DRIVE_LETTER_PREFIX
35 /* This internal macro assumes ASCII, but all hosts that support drive
36 letters use ASCII. */
37 # define _IS_DRIVE_LETTER(c) (((unsigned int) (c) | ('a' - 'A')) - 'a' \
38 <= 'z' - 'a')
39 # define FILE_SYSTEM_PREFIX_LEN(Filename) \
40 (_IS_DRIVE_LETTER ((Filename)[0]) && (Filename)[1] == ':' ? 2 : 0)
41 # else
42 # define FILE_SYSTEM_PREFIX_LEN(Filename) 0
43 # endif
44 # endif
46 # ifndef FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE
47 # define FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE 0
48 # endif
50 # ifndef DOUBLE_SLASH_IS_DISTINCT_ROOT
51 # define DOUBLE_SLASH_IS_DISTINCT_ROOT 0
52 # endif
54 # if FILE_SYSTEM_DRIVE_PREFIX_CAN_BE_RELATIVE
55 # define IS_ABSOLUTE_FILE_NAME(F) ISSLASH ((F)[FILE_SYSTEM_PREFIX_LEN (F)])
56 # else
57 # define IS_ABSOLUTE_FILE_NAME(F) \
58 (ISSLASH ((F)[0]) || 0 < FILE_SYSTEM_PREFIX_LEN (F))
59 # endif
60 # define IS_RELATIVE_FILE_NAME(F) (! IS_ABSOLUTE_FILE_NAME (F))
62 char *base_name (char const *file);
63 char *dir_name (char const *file);
64 size_t base_len (char const *file);
65 size_t dir_len (char const *file);
66 char *last_component (char const *file);
68 bool strip_trailing_slashes (char *file);
70 #endif /* not DIRNAME_H_ */