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 #include "config.h" 20 #if HAVE_ERRNO_H 21 #include <errno.h> 22 #endif 23 #include <sys/types.h> 24 #include <sys/stat.h> 25 #if HAVE_EXT2_IOCTLS 26 #include <sys/ioctl.h> 27 #endif 28 29 #include "e2p.h" 30 31 int getflags (int fd, unsigned long * flags) 32 { 33 struct stat buf; 34 #if HAVE_STAT_FLAGS 35 36 if (fstat (fd, &buf) == -1) 37 return -1; 38 39 *flags = 0; 40 #ifdef UF_IMMUTABLE 41 if (buf.st_flags & UF_IMMUTABLE) 42 *flags |= EXT2_IMMUTABLE_FL; 43 #endif 44 #ifdef UF_APPEND 45 if (buf.st_flags & UF_APPEND) 46 *flags |= EXT2_APPEND_FL; 47 #endif 48 #ifdef UF_NODUMP 49 if (buf.st_flags & UF_NODUMP) 50 *flags |= EXT2_NODUMP_FL; 51 #endif 52 53 return 0; 54 #else 55 #if HAVE_EXT2_IOCTLS 56 int r, f; 57 58 if (!fstat(fd, &buf) && 59 !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) 60 goto notsupp; 61 r = ioctl(fd, EXT2_IOC_GETFLAGS, &f); 62 *flags = f; 63 64 return r; 65 notsupp: 66 #endif /* HAVE_EXT2_IOCTLS */ 67 #endif 68 errno = EOPNOTSUPP; 69 return -1; 70 } 71
