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/* This is file ACCESS.C */ /* ** Copyright (C) 1993 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954 ** ** This file is distributed under the terms listed in the document ** "copying.dj", available from DJ Delorie at the address above. ** A copy of "copying.dj" should accompany this file; if not, a copy ** should be available from where this file was obtained. This file ** may not be distributed without a verbatim copy of "copying.dj". ** ** This file is distributed WITHOUT ANY WARRANTY; without even the implied ** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. */ #include <fcntl.h> #include <sys/stat.h> #include <unistd.h> int access(const char *fn, int flags) { struct stat s; if (stat(fn, &s)) return -1; if (s.st_mode & S_IFDIR) return 0; if (flags & W_OK) { if (s.st_mode & S_IWRITE) return 0; return -1; } return 0; }
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