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60 lines
2.2 KiB
C
60 lines
2.2 KiB
C
/* Pathname support.
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Copyright (C) 2001-2004 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef _PATHNAME_H
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#define _PATHNAME_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Pathname support.
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ISSLASH(C) tests whether C is a directory separator character.
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IS_ABSOLUTE_PATH(P) tests whether P is an absolute path. If it is not,
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it may be concatenated to a directory pathname.
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IS_PATH_WITH_DIR(P) tests whether P contains a directory specification.
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*/
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#if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ || defined __EMX__ || defined __DJGPP__
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/* Win32, Cygwin, OS/2, DOS */
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# define ISSLASH(C) ((C) == '/' || (C) == '\\')
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# define HAS_DEVICE(P) \
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((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \
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&& (P)[1] == ':')
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# define IS_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P))
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# define IS_PATH_WITH_DIR(P) \
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(strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P))
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# define FILE_SYSTEM_PREFIX_LEN(P) (HAS_DEVICE (P) ? 2 : 0)
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#else
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/* Unix */
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# define ISSLASH(C) ((C) == '/')
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# define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0])
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# define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL)
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# define FILE_SYSTEM_PREFIX_LEN(P) 0
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#endif
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/* Concatenate a directory pathname, a relative pathname and an optional
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suffix. Return a freshly allocated pathname. */
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extern char *concatenated_pathname (const char *directory,
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const char *filename, const char *suffix);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _PATHNAME_H */
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