1/* 2 * getflags.c - Get a file flags on an ext2 file system 3 * 4 * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr> 5 * Laboratoire MASI, Institut Blaise Pascal 6 * Universite Pierre et Marie Curie (Paris VI) 7 * 8 * %Begin-Header% 9 * This file may be redistributed under the terms of the GNU Library 10 * General Public License, version 2. 11 * %End-Header% 12 */ 13 14/* 15 * History: 16 * 93/10/30 - Creation 17 */ 18 19#if HAVE_ERRNO_H 20#include <errno.h> 21#endif 22#include <sys/types.h> 23#include <sys/stat.h> 24#if HAVE_EXT2_IOCTLS 25#include <sys/ioctl.h> 26#endif 27 28#include "e2p.h" 29 30int getflags (int fd, unsigned long * flags) 31{ 32 struct stat buf; 33#if HAVE_STAT_FLAGS 34 35 if (fstat (fd, &buf) == -1) 36 return -1; 37 38 *flags = 0; 39#ifdef UF_IMMUTABLE 40 if (buf.st_flags & UF_IMMUTABLE) 41 *flags |= EXT2_IMMUTABLE_FL; 42#endif 43#ifdef UF_APPEND 44 if (buf.st_flags & UF_APPEND) 45 *flags |= EXT2_APPEND_FL; 46#endif 47#ifdef UF_NODUMP 48 if (buf.st_flags & UF_NODUMP) 49 *flags |= EXT2_NODUMP_FL; 50#endif 51 52 return 0; 53#else 54#if HAVE_EXT2_IOCTLS 55 int r, f; 56 57 if (!fstat(fd, &buf) && 58 !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) 59 goto notsupp; 60 r = ioctl (fd, EXT2_IOC_GETFLAGS, &f); 61 *flags = f; 62 return r; 63#endif /* HAVE_EXT2_IOCTLS */ 64#endif 65notsupp: 66 errno = EOPNOTSUPP; 67 return -1; 68} 69