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 * This file can be redistributed under the terms of the GNU Library General 9 * Public License 10 */ 11 12 /* 13 * History: 14 * 93/10/30 - Creation 15 */ 16 17 #if HAVE_ERRNO_H 18 #include <errno.h> 19 #endif 20 #include <sys/types.h> 21 #include <sys/stat.h> 22 #if HAVE_EXT2_IOCTLS 23 #include <sys/ioctl.h> 24 #endif 25 26 #include "e2p.h" 27 28 int getflags (int fd, unsigned long * flags) 29 { 30 struct stat buf; 31 #if HAVE_STAT_FLAGS 32 33 if (fstat (fd, &buf) == -1) 34 return -1; 35 36 *flags = 0; 37 #ifdef UF_IMMUTABLE 38 if (buf.st_flags & UF_IMMUTABLE) 39 *flags |= EXT2_IMMUTABLE_FL; 40 #endif 41 #ifdef UF_APPEND 42 if (buf.st_flags & UF_APPEND) 43 *flags |= EXT2_APPEND_FL; 44 #endif 45 #ifdef UF_NODUMP 46 if (buf.st_flags & UF_NODUMP) 47 *flags |= EXT2_NODUMP_FL; 48 #endif 49 50 return 0; 51 #else 52 #if HAVE_EXT2_IOCTLS 53 int r, f; 54 55 if (!fstat(fd, &buf) && 56 !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) 57 goto notsupp; 58 r = ioctl (fd, EXT2_IOC_GETFLAGS, &f); 59 *flags = f; 60 return r; 61 #endif /* HAVE_EXT2_IOCTLS */ 62 #endif 63 notsupp: 64 errno = EOPNOTSUPP; 65 return -1; 66 } 67
