1/* Pathname support. 2 Copyright (C) 2001-2004, 2007 Free Software Foundation, Inc. 3 4 This program is free software: you can redistribute it and/or modify 5 it under the terms of the GNU General Public License as published by 6 the Free Software Foundation; either version 3 of the License, or 7 (at your option) any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 16 17#ifndef _FILENAME_H 18#define _FILENAME_H 19 20#ifdef __cplusplus 21extern "C" { 22#endif 23 24 25/* Pathname support. 26 ISSLASH(C) tests whether C is a directory separator character. 27 IS_ABSOLUTE_PATH(P) tests whether P is an absolute path. If it is not, 28 it may be concatenated to a directory pathname. 29 IS_PATH_WITH_DIR(P) tests whether P contains a directory specification. 30 */ 31#if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ || defined __EMX__ || defined __DJGPP__ 32 /* Win32, Cygwin, OS/2, DOS */ 33# define ISSLASH(C) ((C) == '/' || (C) == '\\') 34# define HAS_DEVICE(P) \ 35 ((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \ 36 && (P)[1] == ':') 37# define IS_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P)) 38# define IS_PATH_WITH_DIR(P) \ 39 (strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P)) 40# define FILE_SYSTEM_PREFIX_LEN(P) (HAS_DEVICE (P) ? 2 : 0) 41#else 42 /* Unix */ 43# define ISSLASH(C) ((C) == '/') 44# define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0]) 45# define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL) 46# define FILE_SYSTEM_PREFIX_LEN(P) 0 47#endif 48 49/* Concatenate a directory filename, a relative filename and an optional 50 suffix. Return a freshly allocated filename. */ 51extern char *concatenated_filename (const char *directory, 52 const char *filename, const char *suffix); 53 54#ifdef __cplusplus 55} 56#endif 57 58#endif /* _FILENAME_H */ 59