1 /* 2 * getflags.c - Get a file flags on an ext2 file system 3 * 4 * Copyright (C) 1993, 1994 Remy Card <card (at) 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 30 int 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 63 return r; 64 notsupp: 65 #endif /* HAVE_EXT2_IOCTLS */ 66 #endif 67 errno = EOPNOTSUPP; 68 return -1; 69 } 70
