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libiconv 1.16

    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 */