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Annotation of embedaddon/libiconv/srclib/filename.h, revision 1.1.1.1

1.1       misho       1: /* Basic filename support macros.
                      2:    Copyright (C) 2001-2004, 2007-2019 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 <https://www.gnu.org/licenses/>.  */
                     16: 
                     17: #ifndef _FILENAME_H
                     18: #define _FILENAME_H
                     19: 
                     20: #ifdef __cplusplus
                     21: extern "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 __CYGWIN__ || defined __EMX__ || defined __DJGPP__
                     32:   /* Native Windows, 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: 
                     50: #ifdef __cplusplus
                     51: }
                     52: #endif
                     53: 
                     54: #endif /* _FILENAME_H */