1 /* $NetBSD: maxfilename.cpp,v 1.1.1.1 2016/01/13 18:41:48 christos Exp $ */ 2 3 // -*- C++ -*- 4 /* Copyright (C) 1992, 2001, 2003, 2005 Free Software Foundation, Inc. 5 Written by James Clark (jjc@jclark.com) 6 7 This file is part of groff. 8 9 groff is free software; you can redistribute it and/or modify it under 10 the terms of the GNU General Public License as published by the Free 11 Software Foundation; either version 2, or (at your option) any later 12 version. 13 14 groff is distributed in the hope that it will be useful, but WITHOUT ANY 15 WARRANTY; without even the implied warranty of MERCHANTABILITY or 16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 17 for more details. 18 19 You should have received a copy of the GNU General Public License along 20 with groff; see the file COPYING. If not, write to the Free Software 21 Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */ 22 23 /* file_name_max(dir) does the same as pathconf(dir, _PC_NAME_MAX) */ 24 25 #include "lib.h" 26 27 #include <sys/types.h> 28 29 #ifdef HAVE_UNISTD_H 30 #include <unistd.h> 31 #endif /* HAVE_UNISTD_H */ 32 33 #ifdef _POSIX_VERSION 34 35 size_t file_name_max(const char *fname) 36 { 37 return pathconf(fname, _PC_NAME_MAX); 38 } 39 40 #else /* not _POSIX_VERSION */ 41 42 #ifdef HAVE_DIRENT_H 43 #include <dirent.h> 44 #else /* not HAVE_DIRENT_H */ 45 #ifdef HAVE_SYS_DIR_H 46 #include <sys/dir.h> 47 #endif /* HAVE_SYS_DIR_H */ 48 #endif /* not HAVE_DIRENT_H */ 49 50 #ifndef NAME_MAX 51 #ifdef MAXNAMLEN 52 #define NAME_MAX MAXNAMLEN 53 #else /* !MAXNAMLEN */ 54 #ifdef MAXNAMELEN 55 #define NAME_MAX MAXNAMELEN 56 #else /* !MAXNAMELEN */ 57 #define NAME_MAX 14 58 #endif /* !MAXNAMELEN */ 59 #endif /* !MAXNAMLEN */ 60 #endif /* !NAME_MAX */ 61 62 size_t file_name_max(const char *) 63 { 64 return NAME_MAX; 65 } 66 67 #endif /* not _POSIX_VERSION */ 68