1 /* 2 * Copyright 2002-2006, Haiku Inc. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * Jonas Sundstrom, jonas.sundstrom@kirilla.com 7 */ 8 9 10 #include <fs_info.h> 11 12 #include <stdio.h> 13 #include <string.h> 14 15 16 static void 17 usage() 18 { 19 fprintf(stderr, 20 "Usage: isvolume {-OPTION} [volumename]\n" 21 " Where OPTION is one of:\n" 22 " -readonly - volume is read-only\n" 23 " -query - volume supports queries\n" 24 " -attribute - volume supports attributes\n" 25 " -mime - volume supports MIME information\n" 26 " -shared - volume is shared\n" 27 " -persistent - volume is backed on permanent storage\n" 28 " -removable - volume is on removable media\n" 29 " If the option is true for the named volume, 'yes' is printed\n" 30 " and if the option is false, 'no' is printed. Multiple options\n" 31 " can be specified in which case all of them must be true.\n\n" 32 " If no volume is specified, the volume of the current directory is assumed.\n"); 33 } 34 35 36 int 37 main(int32 argc, char** argv) 38 { 39 dev_t volumeDevice = dev_for_path("."); 40 uint32 isVolumeFlags = 0; 41 fs_info volumeInfo; 42 43 for (int i = 1; i < argc; i++) { 44 if (!strcmp(argv[i], "--help")) { 45 usage(); 46 return 0; 47 } 48 49 if (argv[i][0] == '-') { 50 if (! strcmp(argv[i], "-readonly")) 51 isVolumeFlags |= B_FS_IS_READONLY; 52 else if (! strcmp(argv[i], "-query")) 53 isVolumeFlags |= B_FS_HAS_QUERY; 54 else if (! strcmp(argv[i], "-attribute")) 55 isVolumeFlags |= B_FS_HAS_ATTR; 56 else if (! strcmp(argv[i], "-mime")) 57 isVolumeFlags |= B_FS_HAS_MIME; 58 else if (! strcmp(argv[i], "-shared")) 59 isVolumeFlags |= B_FS_IS_SHARED; 60 else if (! strcmp(argv[i], "-persistent")) 61 isVolumeFlags |= B_FS_IS_PERSISTENT; 62 else if (! strcmp(argv[i], "-removable")) 63 isVolumeFlags |= B_FS_IS_REMOVABLE; 64 else { 65 fprintf(stderr, 66 "%s: option %s is not understood (use --help for help)\n", argv[0], argv[i]); 67 return 1; 68 } 69 } else { 70 volumeDevice = dev_for_path(argv[i]); 71 72 if (volumeDevice < 0) { 73 fprintf(stderr, "%s: can't get information about volume: %s\n", argv[0], argv[i]); 74 return 1; 75 } 76 } 77 } 78 79 if (fs_stat_dev(volumeDevice, &volumeInfo) == B_OK) { 80 if (volumeInfo.flags & isVolumeFlags) 81 printf("yes\n"); 82 else 83 printf("no\n"); 84 85 return 0; 86 } else { 87 fprintf(stderr, "%s: can't get information about dev_t: %ld\n", argv[0], volumeDevice); 88 return 1; 89 } 90 } 91