Linux preempt-rt

Check our new training course

Real-Time Linux with PREEMPT_RT

Check our new training course
with Creative Commons CC-BY-SA
lecture and lab materials

Bootlin logo

Elixir Cross Referencer

   1
   2
   3
   4
   5
   6
   7
   8
   9
  10
  11
  12
  13
  14
  15
  16
  17
  18
  19
  20
  21
  22
  23
  24
  25
  26
  27
  28
  29
  30
  31
  32
  33
  34
  35
  36
  37
  38
  39
  40
  41
  42
  43
  44
  45
  46
  47
  48
  49
  50
  51
  52
  53
  54
  55
  56
  57
  58
  59
  60
  61
  62
  63
  64
  65
  66
  67
  68
  69
  70
  71
  72
  73
  74
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88
  89
  90
  91
  92
  93
  94
  95
  96
  97
  98
  99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
/* vi: set sw=4 ts=4: */
/*
 * Mini find implementation for busybox
 *
 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
 *
 * Reworked by David Douthitt <n9ubh@callsign.net> and
 *  Matt Kraai <kraai@alumni.carnegiemellon.edu>.
 *
 * Licensed under GPLv2, see file LICENSE in this source tree.
 */
/* findutils-4.1.20:
 *
 * # find file.txt -exec 'echo {}' '{}  {}' ';'
 * find: echo file.txt: No such file or directory
 * # find file.txt -exec 'echo' '{}  {}' '; '
 * find: missing argument to '-exec'
 * # find file.txt -exec 'echo {}' '{}  {}' ';' junk
 * find: paths must precede expression
 * # find file.txt -exec 'echo {}' '{}  {}' ';' junk ';'
 * find: paths must precede expression
 * # find file.txt -exec 'echo' '{}  {}' ';'
 * file.txt  file.txt
 * (strace: execve("/bin/echo", ["echo", "file.txt  file.txt"], [ 30 vars ]))
 * # find file.txt -exec 'echo' '{}  {}' ';' -print -exec pwd ';'
 * file.txt  file.txt
 * file.txt
 * /tmp
 * # find -name '*.c' -o -name '*.h'
 * [shows files, *.c and *.h intermixed]
 * # find file.txt -name '*f*' -o -name '*t*'
 * file.txt
 * # find file.txt -name '*z*' -o -name '*t*'
 * file.txt
 * # find file.txt -name '*f*' -o -name '*z*'
 * file.txt
 *
 * # find t z -name '*t*' -print -o -name '*z*'
 * t
 * # find t z t z -name '*t*' -o -name '*z*' -print
 * z
 * z
 * # find t z t z '(' -name '*t*' -o -name '*z*' ')' -o -print
 * (no output)
 */
/* Testing script
 * ./busybox find "$@" | tee /tmp/bb_find
 * echo ==================
 * /path/to/gnu/find "$@" | tee /tmp/std_find
 * echo ==================
 * diff -u /tmp/std_find /tmp/bb_find && echo Identical
 */
//config:config FIND
//config:	bool "find (14 kb)"
//config:	default y
//config:	help
//config:	find is used to search your system to find specified files.
//config:
//config:config FEATURE_FIND_PRINT0
//config:	bool "Enable -print0: NUL-terminated output"
//config:	default y
//config:	depends on FIND
//config:	help
//config:	Causes output names to be separated by a NUL character
//config:	rather than a newline. This allows names that contain
//config:	newlines and other whitespace to be more easily
//config:	interpreted by other programs.
//config:
//config:config FEATURE_FIND_MTIME
//config:	bool "Enable -mtime: modification time matching"
//config:	default y
//config:	depends on FIND
//config:	help
//config:	Allow searching based on the modification time of
//config:	files, in days.
//config:
//config:config FEATURE_FIND_ATIME
//config:	bool "Enable -atime: access time matching"
//config:	default y
//config:	depends on FEATURE_FIND_MTIME
//config:	help
//config:	Allow searching based on the access time of
//config:	files, in days.
//config:
//config:config FEATURE_FIND_CTIME
//config:	bool "Enable -ctime: status change timestamp matching"
//config:	default y
//config:	depends on FEATURE_FIND_MTIME
//config:	help
//config:	Allow searching based on the status change timestamp of
//config:	files, in days.
//config:
//config:config FEATURE_FIND_MMIN
//config:	bool "Enable -mmin: modification time matching by minutes"
//config:	default y
//config:	depends on FIND
//config:	help
//config:	Allow searching based on the modification time of
//config:	files, in minutes.
//config:
//config:config FEATURE_FIND_AMIN
//config:	bool "Enable -amin: access time matching by minutes"
//config:	default y
//config:	depends on FEATURE_FIND_MMIN
//config:	help
//config:	Allow searching based on the access time of
//config:	files, in minutes.
//config:
//config:config FEATURE_FIND_CMIN
//config:	bool "Enable -cmin: status change timestamp matching by minutes"
//config:	default y
//config:	depends on FEATURE_FIND_MMIN
//config:	help
//config:	Allow searching based on the status change timestamp of
//config:	files, in minutes.
//config:
//config:config FEATURE_FIND_PERM
//config:	bool "Enable -perm: permissions matching"
//config:	default y
//config:	depends on FIND
//config:
//config:config FEATURE_FIND_TYPE
//config:	bool "Enable -type: file type matching (file/dir/link/...)"
//config:	default y
//config:	depends on FIND
//config:	help
//config:	Enable searching based on file type (file,
//config:	directory, socket, device, etc.).
//config:
//config:config FEATURE_FIND_EXECUTABLE
//config:	bool "Enable -executable: file is executable"
//config:	default y
//config:	depends on FIND
//config:
//config:config FEATURE_FIND_XDEV
//config:	bool "Enable -xdev: 'stay in filesystem'"
//config:	default y
//config:	depends on FIND
//config:
//config:config FEATURE_FIND_MAXDEPTH
//config:	bool "Enable -mindepth N and -maxdepth N"
//config:	default y
//config:	depends on FIND
//config:
//config:config FEATURE_FIND_NEWER
//config:	bool "Enable -newer: compare file modification times"
//config:	default y
//config:	depends on FIND
//config:	help
//config:	Support the 'find -newer' option for finding any files which have
//config:	modification time that is more recent than the specified FILE.
//config:
//config:config FEATURE_FIND_INUM
//config:	bool "Enable -inum: inode number matching"
//config:	default y
//config:	depends on FIND
//config:
//config:config FEATURE_FIND_SAMEFILE
//config:	bool "Enable -samefile: reference file matching"
//config:	default y
//config:	depends on FIND
//config:	help
//config:	Support the 'find -samefile' option for searching by a reference file.
//config:
//config:config FEATURE_FIND_EXEC
//config:	bool "Enable -exec: execute commands"
//config:	default y
//config:	depends on FIND
//config:	help
//config:	Support the 'find -exec' option for executing commands based upon
//config:	the files matched.
//config:
//config:config FEATURE_FIND_EXEC_PLUS
//config:	bool "Enable -exec ... {} +"
//config:	default y
//config:	depends on FEATURE_FIND_EXEC
//config:	help
//config:	Support the 'find -exec ... {} +' option for executing commands
//config:	for all matched files at once.
//config:	Without this option, -exec + is a synonym for -exec ;
//config:	(IOW: it works correctly, but without expected speedup)
//config:
//config:config FEATURE_FIND_USER
//config:	bool "Enable -user: username/uid matching"
//config:	default y
//config:	depends on FIND
//config:
//config:config FEATURE_FIND_GROUP
//config:	bool "Enable -group: group/gid matching"
//config:	default y
//config:	depends on FIND
//config:
//config:config FEATURE_FIND_NOT
//config:	bool "Enable the 'not' (!) operator"
//config:	default y
//config:	depends on FIND
//config:	help
//config:	Support the '!' operator to invert the test results.
//config:	If 'Enable full-blown desktop' is enabled, then will also support
//config:	the non-POSIX notation '-not'.
//config:
//config:config FEATURE_FIND_DEPTH
//config:	bool "Enable -depth"
//config:	default y
//config:	depends on FIND
//config:	help
//config:	Process each directory's contents before the directory itself.
//config:
//config:config FEATURE_FIND_PAREN
//config:	bool "Enable parens in options"
//config:	default y
//config:	depends on FIND
//config:	help
//config:	Enable usage of parens '(' to specify logical order of arguments.
//config:
//config:config FEATURE_FIND_SIZE
//config:	bool "Enable -size: file size matching"
//config:	default y
//config:	depends on FIND
//config:
//config:config FEATURE_FIND_PRUNE
//config:	bool "Enable -prune: exclude subdirectories"
//config:	default y
//config:	depends on FIND
//config:	help
//config:	If the file is a directory, don't descend into it. Useful for
//config:	exclusion .svn and CVS directories.
//config:
//config:config FEATURE_FIND_QUIT
//config:	bool "Enable -quit: exit"
//config:	default y
//config:	depends on FIND
//config:	help
//config:	If this action is reached, 'find' exits.
//config:
//config:config FEATURE_FIND_DELETE
//config:	bool "Enable -delete: delete files/dirs"
//config:	default y
//config:	depends on FIND && FEATURE_FIND_DEPTH
//config:	help
//config:	Support the 'find -delete' option for deleting files and directories.
//config:	WARNING: This option can do much harm if used wrong. Busybox will not
//config:	try to protect the user from doing stupid things. Use with care.
//config:
//config:config FEATURE_FIND_EMPTY
//config:	bool "Enable -empty: match empty files or directories"
//config:	default y
//config:	depends on FIND
//config:	help
//config:	Support the 'find -empty' option to find empty regular files
//config:	or directories.
//config:
//config:config FEATURE_FIND_PATH
//config:	bool "Enable -path: match pathname with shell pattern"
//config:	default y
//config:	depends on FIND
//config:	help
//config:	The -path option matches whole pathname instead of just filename.
//config:
//config:config FEATURE_FIND_REGEX
//config:	bool "Enable -regex: match pathname with regex"
//config:	default y
//config:	depends on FIND
//config:	help
//config:	The -regex option matches whole pathname against regular expression.
//config:
//config:config FEATURE_FIND_CONTEXT
//config:	bool "Enable -context: security context matching"
//config:	default n
//config:	depends on FIND && SELINUX
//config:	help
//config:	Support the 'find -context' option for matching security context.
//config:
//config:config FEATURE_FIND_LINKS
//config:	bool "Enable -links: link count matching"
//config:	default y
//config:	depends on FIND
//config:	help
//config:	Support the 'find -links' option for matching number of links.

//applet:IF_FIND(APPLET_NOEXEC(find, find, BB_DIR_USR_BIN, BB_SUID_DROP, find))

//kbuild:lib-$(CONFIG_FIND) += find.o

//usage:#define find_trivial_usage
//usage:       "[-HL] [PATH]... [OPTIONS] [ACTIONS]"
//usage:#define find_full_usage "\n\n"
//usage:       "Search for files and perform actions on them.\n"
//usage:       "First failed action stops processing of current file.\n"
//usage:       "Defaults: PATH is current directory, action is '-print'\n"
//usage:     "\n	-L,-follow	Follow symlinks"
//usage:     "\n	-H		...on command line only"
//usage:	IF_FEATURE_FIND_XDEV(
//usage:     "\n	-xdev		Don't descend directories on other filesystems"
//usage:	)
//usage:	IF_FEATURE_FIND_MAXDEPTH(
//usage:     "\n	-maxdepth N	Descend at most N levels. -maxdepth 0 applies"
//usage:     "\n			actions to command line arguments only"
//usage:     "\n	-mindepth N	Don't act on first N levels"
//usage:	)
//usage:	IF_FEATURE_FIND_DEPTH(
//usage:     "\n	-depth		Act on directory *after* traversing it"
//usage:	)
//usage:     "\n"
//usage:     "\nActions:"
//usage:	IF_FEATURE_FIND_PAREN(
//usage:     "\n	( ACTIONS )	Group actions for -o / -a"
//usage:	)
//usage:	IF_FEATURE_FIND_NOT(
//usage:     "\n	! ACT		Invert ACT's success/failure"
//usage:	)
//usage:     "\n	ACT1 [-a] ACT2	If ACT1 fails, stop, else do ACT2"
//usage:     "\n	ACT1 -o ACT2	If ACT1 succeeds, stop, else do ACT2"
//usage:     "\n			Note: -a has higher priority than -o"
//usage:     "\n	-name PATTERN	Match file name (w/o directory name) to PATTERN"
//usage:     "\n	-iname PATTERN	Case insensitive -name"
//usage:	IF_FEATURE_FIND_PATH(
//usage:     "\n	-path PATTERN	Match path to PATTERN"
//usage:     "\n	-ipath PATTERN	Case insensitive -path"
//usage:	)
//usage:	IF_FEATURE_FIND_REGEX(
//usage:     "\n	-regex PATTERN	Match path to regex PATTERN"
//usage:	)
//usage:	IF_FEATURE_FIND_TYPE(
//usage:     "\n	-type X		File type is X (one of: f,d,l,b,c,s,p)"
//usage:	)
//usage:	IF_FEATURE_FIND_EXECUTABLE(
//usage:     "\n	-executable	File is executable"
//usage:	)
//usage:	IF_FEATURE_FIND_PERM(
//usage:     "\n	-perm MASK	At least one mask bit (+MASK), all bits (-MASK),"
//usage:     "\n			or exactly MASK bits are set in file's mode"
//usage:	)
//usage:	IF_FEATURE_FIND_MTIME(
//usage:     "\n	-mtime DAYS	mtime is greater than (+N), less than (-N),"
//usage:     "\n			or exactly N days in the past"
//usage:	)
//usage:	IF_FEATURE_FIND_ATIME(
//usage:     "\n	-atime DAYS	atime +N/-N/N days in the past"
//usage:	)
//usage:	IF_FEATURE_FIND_CTIME(
//usage:     "\n	-ctime DAYS	ctime +N/-N/N days in the past"
//usage:	)
//usage:	IF_FEATURE_FIND_MMIN(
//usage:     "\n	-mmin MINS	mtime is greater than (+N), less than (-N),"
//usage:     "\n			or exactly N minutes in the past"
//usage:	)
//usage:	IF_FEATURE_FIND_AMIN(
//usage:     "\n	-amin MINS	atime +N/-N/N minutes in the past"
//usage:	)
//usage:	IF_FEATURE_FIND_CMIN(
//usage:     "\n	-cmin MINS	ctime +N/-N/N minutes in the past"
//usage:	)
//usage:	IF_FEATURE_FIND_NEWER(
//usage:     "\n	-newer FILE	mtime is more recent than FILE's"
//usage:	)
//usage:	IF_FEATURE_FIND_INUM(
//usage:     "\n	-inum N		File has inode number N"
//usage:	)
//usage:	IF_FEATURE_FIND_SAMEFILE(
//usage:     "\n	-samefile FILE	File is same as FILE"
//usage:	)
//usage:	IF_FEATURE_FIND_USER(
//usage:     "\n	-user NAME/ID	File is owned by given user"
//usage:	)
//usage:	IF_FEATURE_FIND_GROUP(
//usage:     "\n	-group NAME/ID	File is owned by given group"
//usage:	)
//usage:	IF_FEATURE_FIND_SIZE(
//usage:     "\n	-size N[bck]	File size is N (c:bytes,k:kbytes,b:512 bytes(def.))"
//usage:     "\n			+/-N: file size is bigger/smaller than N"
//usage:	)
//usage:	IF_FEATURE_FIND_LINKS(
//usage:     "\n	-links N	Number of links is greater than (+N), less than (-N),"
//usage:     "\n			or exactly N"
//usage:	)
//usage:	IF_FEATURE_FIND_CONTEXT(
//usage:     "\n	-context CTX	File has specified security context"
//usage:	)
//usage:	IF_FEATURE_FIND_EMPTY(
//usage:     "\n	-empty		Match empty file/directory"
//usage:	)
//usage:	IF_FEATURE_FIND_PRUNE(
//usage:     "\n	-prune		If current file is directory, don't descend into it"
//usage:	)
//usage:     "\nIf none of the following actions is specified, -print is assumed"
//usage:     "\n	-print		Print file name"
//usage:	IF_FEATURE_FIND_PRINT0(
//usage:     "\n	-print0		Print file name, NUL terminated"
//usage:	)
//usage:	IF_FEATURE_FIND_EXEC(
//usage:     "\n	-exec CMD ARG ;	Run CMD with all instances of {} replaced by"
//usage:     "\n			file name. Fails if CMD exits with nonzero"
//usage:	)
//usage:	IF_FEATURE_FIND_EXEC_PLUS(
//usage:     "\n	-exec CMD ARG + Run CMD with {} replaced by list of file names"
//usage:	)
//usage:	IF_FEATURE_FIND_DELETE(
//usage:     "\n	-delete		Delete current file/directory. Turns on -depth option"
//usage:	)
//usage:	IF_FEATURE_FIND_QUIT(
//usage:     "\n	-quit		Exit"
//usage:	)
//usage:
//usage:#define find_example_usage
//usage:       "$ find / -name passwd\n"
//usage:       "/etc/passwd\n"

#include <fnmatch.h>
#include "libbb.h"
#include "common_bufsiz.h"
#if ENABLE_FEATURE_FIND_REGEX
# include "xregex.h"
#endif
/* GNUism: */
#ifndef FNM_CASEFOLD
# define FNM_CASEFOLD 0
#endif

#if 1
# define dbg(...) ((void)0)
#else
# define dbg(...) bb_error_msg(__VA_ARGS__)
#endif


/* This is a NOEXEC applet. Be very careful! */


typedef int (*action_fp)(const char *fileName, const struct stat *statbuf, void *) FAST_FUNC;

typedef struct {
	action_fp f;
#if ENABLE_FEATURE_FIND_NOT
	bool invert;
#endif
} action;

#define ACTS(name, ...) typedef struct { action a; __VA_ARGS__ } action_##name;
#define ACTF(name) \
	static int FAST_FUNC func_##name(const char *fileName UNUSED_PARAM, \
		const struct stat *statbuf UNUSED_PARAM, \
		action_##name* ap UNUSED_PARAM)

                        ACTS(print)
                        ACTS(name,  const char *pattern; bool iname;)
IF_FEATURE_FIND_PATH(   ACTS(path,  const char *pattern; bool ipath;))
IF_FEATURE_FIND_REGEX(  ACTS(regex, regex_t compiled_pattern;))
IF_FEATURE_FIND_PRINT0( ACTS(print0))
IF_FEATURE_FIND_TYPE(   ACTS(type,  int type_mask;))
IF_FEATURE_FIND_EXECUTABLE(ACTS(executable))
IF_FEATURE_FIND_PERM(   ACTS(perm,  char perm_char; mode_t perm_mask;))
IF_FEATURE_FIND_MTIME(  ACTS(mtime, unsigned char time_type; unsigned char mtime_char; unsigned mtime_days;))
IF_FEATURE_FIND_MMIN(   ACTS(mmin,  unsigned char time_type; unsigned char mmin_char; unsigned mmin_mins;))
IF_FEATURE_FIND_NEWER(  ACTS(newer, time_t newer_mtime;))
IF_FEATURE_FIND_INUM(   ACTS(inum,  ino_t inode_num;))
IF_FEATURE_FIND_SAMEFILE(ACTS(samefile, ino_t inode_num; dev_t device;))
IF_FEATURE_FIND_USER(   ACTS(user,  uid_t uid;))
IF_FEATURE_FIND_SIZE(   ACTS(size,  char size_char; off_t size;))
IF_FEATURE_FIND_CONTEXT(ACTS(context, security_context_t context;))
IF_FEATURE_FIND_PAREN(  ACTS(paren, action ***subexpr;))
IF_FEATURE_FIND_PRUNE(  ACTS(prune))
IF_FEATURE_FIND_QUIT(   ACTS(quit))
IF_FEATURE_FIND_DELETE( ACTS(delete))
IF_FEATURE_FIND_EMPTY(  ACTS(empty))
IF_FEATURE_FIND_EXEC(   ACTS(exec,
				char **exec_argv; /* -exec ARGS */
				unsigned *subst_count;
				int exec_argc; /* count of ARGS */
				IF_FEATURE_FIND_EXEC_PLUS(
					/*
					 * filelist is NULL if "exec ;"
					 * non-NULL if "exec +"
					 */
					char **filelist;
					int filelist_idx;
					int file_len;
				)
				))
IF_FEATURE_FIND_GROUP(  ACTS(group, gid_t gid;))
IF_FEATURE_FIND_LINKS(  ACTS(links, char links_char; int links_count;))

struct globals {
	IF_FEATURE_FIND_XDEV(dev_t *xdev_dev;)
	IF_FEATURE_FIND_XDEV(int xdev_count;)
#if ENABLE_FEATURE_FIND_MAXDEPTH
	int minmaxdepth[2];
#endif
	action ***actions;
	smallint need_print;
	smallint xdev_on;
	smalluint exitstatus;
	recurse_flags_t recurse_flags;
	IF_FEATURE_FIND_EXEC_PLUS(unsigned max_argv_len;)
} FIX_ALIASING;
#define G (*(struct globals*)bb_common_bufsiz1)
#define INIT_G() do { \
	setup_common_bufsiz(); \
	BUILD_BUG_ON(sizeof(G) > COMMON_BUFSIZE); \
	/* we have to zero it out because of NOEXEC */ \
	memset(&G, 0, sizeof(G)); \
	IF_FEATURE_FIND_MAXDEPTH(G.minmaxdepth[1] = INT_MAX;) \
	IF_FEATURE_FIND_EXEC_PLUS(G.max_argv_len = bb_arg_max() - 2048;) \
	G.need_print = 1; \
	G.recurse_flags = ACTION_RECURSE; \
} while (0)

/* Return values of ACTFs ('action functions') are a bit mask:
 * bit 1=1: prune (use SKIP constant for setting it)
 * bit 0=1: matched successfully (TRUE)
 */

static int exec_actions(action ***appp, const char *fileName, const struct stat *statbuf)
{
	int cur_group;
	int cur_action;
	int rc = 0;
	action **app, *ap;

	/* "action group" is a set of actions ANDed together.
	 * groups are ORed together.
	 * We simply evaluate each group until we find one in which all actions
	 * succeed. */

	/* -prune is special: if it is encountered, then we won't
	 * descend into current directory. It doesn't matter whether
	 * action group (in which -prune sits) will succeed or not:
	 * find * -prune -name 'f*' -o -name 'm*' -- prunes every dir
	 * find * -name 'f*' -o -prune -name 'm*' -- prunes all dirs
	 *     not starting with 'f' */

	/* We invert TRUE bit (bit 0). Now 1 there means 'failure'.
	 * and bitwise OR in "rc |= TRUE ^ ap->f()" will:
	 * (1) make SKIP (-prune) bit stick; and (2) detect 'failure'.
	 * On return, bit is restored.  */

	cur_group = -1;
	while ((app = appp[++cur_group]) != NULL) {
		rc &= ~TRUE; /* 'success' so far, clear TRUE bit */
		cur_action = -1;
		while (1) {
			ap = app[++cur_action];
			if (!ap) /* all actions in group were successful */
				return rc ^ TRUE; /* restore TRUE bit */
			rc |= TRUE ^ ap->f(fileName, statbuf, ap);
#if ENABLE_FEATURE_FIND_NOT
			if (ap->invert) rc ^= TRUE;
#endif
			dbg("grp %d action %d rc:0x%x", cur_group, cur_action, rc);
			if (rc & TRUE) /* current group failed, try next */
				break;
		}
	}
	dbg("returning:0x%x", rc ^ TRUE);
	return rc ^ TRUE; /* restore TRUE bit */
}

#if !FNM_CASEFOLD
static char *strcpy_upcase(char *dst, const char *src)
{
	char *d = dst;
	while (1) {
		unsigned char ch = *src++;
		if (ch >= 'a' && ch <= 'z')
			ch -= ('a' - 'A');
		*d++ = ch;
		if (ch == '\0')
			break;
	}
	return dst;
}
#endif

ACTF(name)
{
	int r;
	const char *tmp = bb_basename(fileName);
	/* GNU findutils: find DIR/ -name DIR
	 * prints "DIR/" (DIR// prints "DIR//" etc).
	 * Need to strip trailing "/".
	 * Such names can come only from top-level names, but
	 * we can't do this before recursive_action() call,
	 * since then "find FILE/ -name FILE"
	 * would also work (on non-directories), which is wrong.
	 */
	char *trunc_slash = NULL;

	if (*tmp == '\0') {
		/* "foo/bar/[//...]" */
		while (tmp != fileName && tmp[-1] == '/')
			tmp--;
		if (tmp == fileName) { /* entire fileName is "//.."? */
			/* yes, convert "//..." to "/"
			 * Testcases:
			 * find / -maxdepth 1 -name /: prints /
			 * find // -maxdepth 1 -name /: prints //
			 * find / -maxdepth 1 -name //: prints nothing
			 * find // -maxdepth 1 -name //: prints nothing
			 */
			if (tmp[1])
				trunc_slash = (char*)tmp + 1;
		} else {
			/* no, it's "foo/bar/[//...]", go back to 'b' */
			trunc_slash = (char*)tmp;
			while (tmp != fileName && tmp[-1] != '/')
				tmp--;
		}
	}

	/* Was using FNM_PERIOD flag too,
	 * but somewhere between 4.1.20 and 4.4.0 GNU find stopped using it.
	 * find -name '*foo' should match .foo too:
	 */
	if (trunc_slash) *trunc_slash = '\0';
#if FNM_CASEFOLD
	r = fnmatch(ap->pattern, tmp, (ap->iname ? FNM_CASEFOLD : 0));
#else
	if (ap->iname)
		tmp = strcpy_upcase(alloca(strlen(tmp) + 1), tmp);
	r = fnmatch(ap->pattern, tmp, 0);
#endif
	if (trunc_slash) *trunc_slash = '/';
	return r == 0;
}

#if ENABLE_FEATURE_FIND_PATH
ACTF(path)
{
# if FNM_CASEFOLD
	return fnmatch(ap->pattern, fileName, (ap->ipath ? FNM_CASEFOLD : 0)) == 0;
# else
	if (ap->ipath)
		fileName = strcpy_upcase(alloca(strlen(fileName) + 1), fileName);
	return fnmatch(ap->pattern, fileName, 0) == 0;
# endif
}
#endif
#if ENABLE_FEATURE_FIND_REGEX
ACTF(regex)
{
	regmatch_t match;
	if (regexec(&ap->compiled_pattern, fileName, 1, &match, 0 /*eflags*/))
		return 0; /* no match */
	if (match.rm_so)
		return 0; /* match doesn't start at pos 0 */
	if (fileName[match.rm_eo])
		return 0; /* match doesn't end exactly at end of pathname */
	return 1;
}
#endif
#if ENABLE_FEATURE_FIND_TYPE
ACTF(type)
{
	return ((statbuf->st_mode & S_IFMT) == ap->type_mask);
}
#endif
#if ENABLE_FEATURE_FIND_EXECUTABLE
ACTF(executable)
{
	return access(fileName, X_OK) == 0;
}
#endif
#if ENABLE_FEATURE_FIND_PERM
ACTF(perm)
{
	/* -perm [+/]mode: at least one of perm_mask bits are set */
	if (ap->perm_char == '+' || ap->perm_char == '/')
		return (statbuf->st_mode & ap->perm_mask) != 0;
	/* -perm -mode: all of perm_mask are set */
	if (ap->perm_char == '-')
		return (statbuf->st_mode & ap->perm_mask) == ap->perm_mask;
	/* -perm mode: file mode must match perm_mask */
	return (statbuf->st_mode & 07777) == ap->perm_mask;
}
#endif

#if 0 \
 || ENABLE_FEATURE_FIND_AMIN  \
 || ENABLE_FEATURE_FIND_ATIME \
 || ENABLE_FEATURE_FIND_CMIN  \
 || ENABLE_FEATURE_FIND_CTIME \
 || ENABLE_FEATURE_FIND_MMIN  \
 || ENABLE_FEATURE_FIND_MTIME
static int time_cmp(const struct stat *statbuf, unsigned type_and_char, time_t N_from_user, unsigned unit)
{
	time_t ftime, file_age;

	ftime = statbuf->st_mtime;
# if ENABLE_FEATURE_FIND_ATIME || ENABLE_FEATURE_FIND_CTIME
#  if ENABLE_FEATURE_FIND_ATIME
	if ((type_and_char >> 8) == 'a')
		ftime = statbuf->st_atime;
#  endif
#  if ENABLE_FEATURE_FIND_CTIME
	if ((type_and_char >> 8) == 'c')
		ftime = statbuf->st_ctime;
#  endif
	type_and_char &= 0xff;
# endif
	file_age = time(NULL) - ftime;
	N_from_user *= unit;
	switch (type_and_char) {
	case '+': return file_age >= N_from_user + unit;
	case '-': return file_age < N_from_user;
	/* just numeric time */
	default:  return file_age >= N_from_user && file_age < N_from_user + unit;
	}
}
#endif

#if ENABLE_FEATURE_FIND_MTIME
ACTF(mtime)
{
	return time_cmp(statbuf,
# if ENABLE_FEATURE_FIND_ATIME || ENABLE_FEATURE_FIND_CTIME
			(ap->time_type << 8) |
# endif
				ap->mtime_char,
			ap->mtime_days, 24*60*60);
}
#endif
#if ENABLE_FEATURE_FIND_MMIN
ACTF(mmin)
{
	return time_cmp(statbuf,
# if ENABLE_FEATURE_FIND_ATIME || ENABLE_FEATURE_FIND_CTIME
			(ap->time_type << 8) |
# endif
				ap->mmin_char,
			ap->mmin_mins, 60);
}
#endif
#if ENABLE_FEATURE_FIND_NEWER
ACTF(newer)
{
	return (ap->newer_mtime < statbuf->st_mtime);
}
#endif
#if ENABLE_FEATURE_FIND_INUM
ACTF(inum)
{
	return (statbuf->st_ino == ap->inode_num);
}
#endif
#if ENABLE_FEATURE_FIND_SAMEFILE
ACTF(samefile)
{
	return statbuf->st_ino == ap->inode_num &&
	       statbuf->st_dev == ap->device;
}
#endif
#if ENABLE_FEATURE_FIND_EXEC
static int do_exec(action_exec *ap, const char *fileName)
{
	int i, rc;
# if ENABLE_FEATURE_FIND_EXEC_PLUS
	int size = ap->exec_argc + ap->filelist_idx + 1;
# else
	int size = ap->exec_argc + 1;
# endif
# if ENABLE_USE_PORTABLE_CODE
	char **argv = alloca(sizeof(char*) * size);
# else /* gcc 4.3.1 generates smaller code: */
	char *argv[size];
# endif
	char **pp = argv;

	for (i = 0; i < ap->exec_argc; i++) {
		const char *arg = ap->exec_argv[i];

# if ENABLE_FEATURE_FIND_EXEC_PLUS
		if (ap->filelist) {
			/* Handling "-exec +"
			 * Only one exec_argv[i] has substitution in it.
			 * Expand that one exec_argv[i] into file list.
			 */
			if (ap->subst_count[i] == 0) {
				*pp++ = xstrdup(arg);
			} else {
				int j = 0;
				while (ap->filelist[j]) {
					/* 2nd arg here should be ap->subst_count[i], but it is always 1: */
					*pp++ = xmalloc_substitute_string(arg, 1, "{}", ap->filelist[j]);
					free(ap->filelist[j]);
					j++;
				}
			}
		} else
# endif
		{
			/* Handling "-exec ;" */
			*pp++ = xmalloc_substitute_string(arg, ap->subst_count[i], "{}", fileName);
		}
	}
	*pp = NULL; /* terminate the list */

# if ENABLE_FEATURE_FIND_EXEC_PLUS
	if (ap->filelist) {
		ap->filelist[0] = NULL;
		ap->filelist_idx = 0;
		ap->file_len = 0;
	}
# endif

	rc = spawn_and_wait(argv);
	if (rc < 0)
		bb_simple_perror_msg(argv[0]);

	i = 0;
	while (argv[i])
		free(argv[i++]);
	return rc == 0; /* return 1 if exitcode 0 */
}
ACTF(exec)
{
# if ENABLE_FEATURE_FIND_EXEC_PLUS
	if (ap->filelist) {
		int rc;

		ap->filelist = xrealloc_vector(ap->filelist, 8, ap->filelist_idx);
		ap->filelist[ap->filelist_idx++] = xstrdup(fileName);
		ap->file_len += strlen(fileName) + sizeof(char*) + 1;
		/* If we have lots of files already, exec the command */
		rc = 1;
		if (ap->file_len >= G.max_argv_len)
			rc = do_exec(ap, NULL);
		return rc;
	}
# endif
	return do_exec(ap, fileName);
}
# if ENABLE_FEATURE_FIND_EXEC_PLUS
static int flush_exec_plus(void)
{
	action *ap;
	action **app;
	action ***appp = G.actions;
	while ((app = *appp++) != NULL) {
		while ((ap = *app++) != NULL) {
			if (ap->f == (action_fp)func_exec) {
				action_exec *ae = (void*)ap;
				if (ae->filelist_idx != 0) {
					int rc = do_exec(ae, NULL);
#  if ENABLE_FEATURE_FIND_NOT
					if (ap->invert) rc = !rc;
#  endif
					if (rc == 0)
						return 1;
				}
			}
		}
	}
	return 0;
}
# endif
#endif
#if ENABLE_FEATURE_FIND_USER
ACTF(user)
{
	return (statbuf->st_uid == ap->uid);
}
#endif
#if ENABLE_FEATURE_FIND_GROUP
ACTF(group)
{
	return (statbuf->st_gid == ap->gid);
}
#endif
#if ENABLE_FEATURE_FIND_PRINT0
ACTF(print0)
{
	printf("%s%c", fileName, '\0');
	return TRUE;
}
#endif
ACTF(print)
{
	puts(fileName);
	return TRUE;
}
#if ENABLE_FEATURE_FIND_PAREN
ACTF(paren)
{
	return exec_actions(ap->subexpr, fileName, statbuf);
}
#endif
#if ENABLE_FEATURE_FIND_SIZE
ACTF(size)
{
	if (ap->size_char == '+')
		return statbuf->st_size > ap->size;
	if (ap->size_char == '-')
		return statbuf->st_size < ap->size;
	return statbuf->st_size == ap->size;
}
#endif
#if ENABLE_FEATURE_FIND_PRUNE
/*
 * -prune: if -depth is not given, return true and do not descend
 * current dir; if -depth is given, return false with no effect.
 * Example:
 * find dir -name 'asm-*' -prune -o -name '*.[chS]' -print
 */
ACTF(prune)
{
	return SKIP + TRUE;
}
#endif
#if ENABLE_FEATURE_FIND_QUIT
ACTF(quit)
{
	exit(G.exitstatus);
}
#endif
#if ENABLE_FEATURE_FIND_DELETE
ACTF(delete)
{
	int rc;
	if (S_ISDIR(statbuf->st_mode)) {
		/* "find . -delete" skips rmdir(".") */
		rc = 0;
		if (NOT_LONE_CHAR(fileName, '.'))
			rc = rmdir(fileName);
	} else {
		rc = unlink(fileName);
	}
	if (rc < 0)
		bb_simple_perror_msg(fileName);
	return TRUE;
}
#endif
#if ENABLE_FEATURE_FIND_EMPTY
ACTF(empty)
{
	if (S_ISDIR(statbuf->st_mode)) {
		DIR *dir;
		struct dirent *dent;

		dir = opendir(fileName);
		if (!dir) {
			bb_simple_perror_msg(fileName);
			return FALSE;
		}

		while ((dent = readdir(dir)) != NULL
		 && DOT_OR_DOTDOT(dent->d_name)
		) {
			continue;
		}
		closedir(dir);
		return dent == NULL;
	}
	return S_ISREG(statbuf->st_mode) && statbuf->st_size == 0;
}
#endif
#if ENABLE_FEATURE_FIND_CONTEXT
ACTF(context)
{
	security_context_t con;
	int rc;

	if (G.recurse_flags & ACTION_FOLLOWLINKS) {
		rc = getfilecon(fileName, &con);
	} else {
		rc = lgetfilecon(fileName, &con);
	}
	if (rc < 0)
		return FALSE;
	rc = strcmp(ap->context, con);
	freecon(con);
	return rc == 0;
}
#endif
#if ENABLE_FEATURE_FIND_LINKS
ACTF(links)
{
	switch(ap->links_char) {
	case '-' : return (statbuf->st_nlink <  ap->links_count);
	case '+' : return (statbuf->st_nlink >  ap->links_count);
	default:   return (statbuf->st_nlink == ap->links_count);
	}
}
#endif

static int FAST_FUNC fileAction(
		struct recursive_state *state IF_NOT_FEATURE_FIND_MAXDEPTH(UNUSED_PARAM),
		const char *fileName,
		struct stat *statbuf)
{
	int r;
	int same_fs = 1;

#if ENABLE_FEATURE_FIND_XDEV
	if (S_ISDIR(statbuf->st_mode) && G.xdev_count) {
		int i;
		for (i = 0; i < G.xdev_count; i++) {
			if (G.xdev_dev[i] == statbuf->st_dev)
				goto found;
		}
		//bb_error_msg("'%s': not same fs", fileName);
		same_fs = 0;
 found: ;
	}
#endif

#if ENABLE_FEATURE_FIND_MAXDEPTH
	if (state->depth < G.minmaxdepth[0]) {
		if (same_fs)
			return TRUE; /* skip this, continue recursing */
		return SKIP; /* stop recursing */
	}
	if (state->depth > G.minmaxdepth[1])
		return SKIP; /* stop recursing */
#endif

	r = exec_actions(G.actions, fileName, statbuf);
	/* Had no explicit -print[0] or -exec? then print */
	if ((r & TRUE) && G.need_print)
		puts(fileName);

#if ENABLE_FEATURE_FIND_MAXDEPTH
	if (S_ISDIR(statbuf->st_mode)) {
		if (state->depth == G.minmaxdepth[1])
			return SKIP;
	}
#endif
	/* -xdev stops on mountpoints, but AFTER mountpoit itself
	 * is processed as usual */
	if (!same_fs) {
		return SKIP;
	}

	/* Cannot return 0: our caller, recursive_action(),
	 * will perror() and skip dirs (if called on dir) */
	return (r & SKIP) ? SKIP : TRUE;
}


#if ENABLE_FEATURE_FIND_TYPE
static int find_type(const char *type)
{
	int mask = 0;

	if (*type == 'b')
		mask = S_IFBLK;
	else if (*type == 'c')
		mask = S_IFCHR;
	else if (*type == 'd')
		mask = S_IFDIR;
	else if (*type == 'p')
		mask = S_IFIFO;
	else if (*type == 'f')
		mask = S_IFREG;
	else if (*type == 'l')
		mask = S_IFLNK;
	else if (*type == 's')
		mask = S_IFSOCK;

	if (mask == 0 || type[1] != '\0')
		bb_error_msg_and_die(bb_msg_invalid_arg_to, type, "-type");

	return mask;
}
#endif

#if ENABLE_FEATURE_FIND_PERM \
 || ENABLE_FEATURE_FIND_MTIME || ENABLE_FEATURE_FIND_MMIN \
 || ENABLE_FEATURE_FIND_SIZE  || ENABLE_FEATURE_FIND_LINKS
static const char* plus_minus_num(const char* str)
{
	if (*str == '-' || *str == '+')
		str++;
	return str;
}
#endif

/* Say no to GCCism */
#define USE_NESTED_FUNCTION 0

#if !USE_NESTED_FUNCTION
struct pp_locals {
	action*** appp;
	unsigned cur_group;
	unsigned cur_action;
	IF_FEATURE_FIND_NOT( bool invert_flag; )
};
static action* alloc_action(struct pp_locals *ppl, int sizeof_struct, action_fp f)
{
	action *ap = xzalloc(sizeof_struct);
	action **app;
	action ***group = &ppl->appp[ppl->cur_group];
	*group = app = xrealloc(*group, (ppl->cur_action+2) * sizeof(ppl->appp[0][0]));
	app[ppl->cur_action++] = ap;
	app[ppl->cur_action] = NULL;
	ap->f = f;
	IF_FEATURE_FIND_NOT( ap->invert = ppl->invert_flag; )
	IF_FEATURE_FIND_NOT( ppl->invert_flag = 0; )
	return ap;
}
#endif

static action*** parse_params(char **argv)
{
	enum {
	                        OPT_FOLLOW     ,
	IF_FEATURE_FIND_XDEV(   OPT_XDEV       ,)
	IF_FEATURE_FIND_DEPTH(  OPT_DEPTH      ,)
	                        PARM_a         ,
	                        PARM_o         ,
	IF_FEATURE_FIND_NOT(	PARM_char_not  ,)
#if ENABLE_DESKTOP
	                        PARM_and       ,
	                        PARM_or        ,
	IF_FEATURE_FIND_NOT(    PARM_not       ,)
#endif
	                        PARM_print     ,
	IF_FEATURE_FIND_PRINT0( PARM_print0    ,)
	IF_FEATURE_FIND_PRUNE(  PARM_prune     ,)
	IF_FEATURE_FIND_QUIT(   PARM_quit      ,)
	IF_FEATURE_FIND_DELETE( PARM_delete    ,)
	IF_FEATURE_FIND_EMPTY(	PARM_empty     ,)
	IF_FEATURE_FIND_EXEC(   PARM_exec      ,)
	IF_FEATURE_FIND_EXECUTABLE(PARM_executable,)
	IF_FEATURE_FIND_PAREN(  PARM_char_brace,)
	/* All options/actions starting from here require argument */
	                        PARM_name      ,
	                        PARM_iname     ,
	IF_FEATURE_FIND_PATH(   PARM_path      ,)
#if ENABLE_DESKTOP
	/* -wholename is a synonym for -path */
	/* We support it because Linux kernel's "make tags" uses it */
	IF_FEATURE_FIND_PATH(   PARM_wholename ,)
#endif
	IF_FEATURE_FIND_PATH(   PARM_ipath     ,)
	IF_FEATURE_FIND_REGEX(  PARM_regex     ,)
	IF_FEATURE_FIND_TYPE(   PARM_type      ,)
	IF_FEATURE_FIND_PERM(   PARM_perm      ,)
	IF_FEATURE_FIND_MTIME(  PARM_mtime     ,)
	IF_FEATURE_FIND_ATIME(  PARM_atime     ,)
	IF_FEATURE_FIND_CTIME(  PARM_ctime     ,)
	IF_FEATURE_FIND_MMIN(   PARM_mmin      ,)
	IF_FEATURE_FIND_AMIN(   PARM_amin      ,)
	IF_FEATURE_FIND_CMIN(   PARM_cmin      ,)
	IF_FEATURE_FIND_NEWER(  PARM_newer     ,)
	IF_FEATURE_FIND_INUM(   PARM_inum      ,)
	IF_FEATURE_FIND_SAMEFILE(PARM_samefile ,)
	IF_FEATURE_FIND_USER(   PARM_user      ,)
	IF_FEATURE_FIND_GROUP(  PARM_group     ,)
	IF_FEATURE_FIND_SIZE(   PARM_size      ,)
	IF_FEATURE_FIND_CONTEXT(PARM_context   ,)
	IF_FEATURE_FIND_LINKS(  PARM_links     ,)
	IF_FEATURE_FIND_MAXDEPTH(OPT_MINDEPTH,OPT_MAXDEPTH,)
	};

	static const char params[] ALIGN1 =
	                        "-follow\0"
	IF_FEATURE_FIND_XDEV(   "-xdev\0"                 )
	IF_FEATURE_FIND_DEPTH(  "-depth\0"                )
	                        "-a\0"
	                        "-o\0"
	IF_FEATURE_FIND_NOT(    "!\0"       )
#if ENABLE_DESKTOP
	                        "-and\0"
	                        "-or\0"
	IF_FEATURE_FIND_NOT(	"-not\0"    )
#endif
	                        "-print\0"
	IF_FEATURE_FIND_PRINT0( "-print0\0" )
	IF_FEATURE_FIND_PRUNE(  "-prune\0"  )
	IF_FEATURE_FIND_QUIT(   "-quit\0"  )
	IF_FEATURE_FIND_DELETE( "-delete\0" )
	IF_FEATURE_FIND_EMPTY(	"-empty\0"  )
	IF_FEATURE_FIND_EXEC(   "-exec\0"   )
	IF_FEATURE_FIND_EXECUTABLE("-executable\0")
	IF_FEATURE_FIND_PAREN(  "(\0"       )
	/* All options/actions starting from here require argument */
	                        "-name\0"
	                        "-iname\0"
	IF_FEATURE_FIND_PATH(   "-path\0"   )
#if ENABLE_DESKTOP
	IF_FEATURE_FIND_PATH(   "-wholename\0")
#endif
	IF_FEATURE_FIND_PATH(   "-ipath\0"  )
	IF_FEATURE_FIND_REGEX(  "-regex\0"  )
	IF_FEATURE_FIND_TYPE(   "-type\0"   )
	IF_FEATURE_FIND_PERM(   "-perm\0"   )
	IF_FEATURE_FIND_MTIME(  "-mtime\0"  )
	IF_FEATURE_FIND_ATIME(  "-atime\0"  )
	IF_FEATURE_FIND_CTIME(  "-ctime\0"  )
	IF_FEATURE_FIND_MMIN(   "-mmin\0"   )
	IF_FEATURE_FIND_AMIN(   "-amin\0"   )
	IF_FEATURE_FIND_CMIN(   "-cmin\0"   )
	IF_FEATURE_FIND_NEWER(  "-newer\0"  )
	IF_FEATURE_FIND_INUM(   "-inum\0"   )
	IF_FEATURE_FIND_SAMEFILE("-samefile\0")
	IF_FEATURE_FIND_USER(   "-user\0"   )
	IF_FEATURE_FIND_GROUP(  "-group\0"  )
	IF_FEATURE_FIND_SIZE(   "-size\0"   )
	IF_FEATURE_FIND_CONTEXT("-context\0")
	IF_FEATURE_FIND_LINKS(  "-links\0"  )
	IF_FEATURE_FIND_MAXDEPTH("-mindepth\0""-maxdepth\0")
	;

#if !USE_NESTED_FUNCTION
	struct pp_locals ppl;
#define appp        (ppl.appp       )
#define cur_group   (ppl.cur_group  )
#define cur_action  (ppl.cur_action )
#define invert_flag (ppl.invert_flag)
#define ALLOC_ACTION(name) (action_##name*)alloc_action(&ppl, sizeof(action_##name), (action_fp) func_##name)
#else
	action*** appp;
	unsigned cur_group;
	unsigned cur_action;
	IF_FEATURE_FIND_NOT( bool invert_flag; )

	/* This is the only place in busybox where we use nested function.
	 * So far more standard alternatives were bigger. */
	/* Auto decl suppresses "func without a prototype" warning: */
	auto action* alloc_action(int sizeof_struct, action_fp f);
	action* alloc_action(int sizeof_struct, action_fp f)
	{
		action *ap;
		appp[cur_group] = xrealloc(appp[cur_group], (cur_action+2) * sizeof(appp[0][0]));
		appp[cur_group][cur_action++] = ap = xzalloc(sizeof_struct);
		appp[cur_group][cur_action] = NULL;
		ap->f = f;
		IF_FEATURE_FIND_NOT( ap->invert = invert_flag; )
		IF_FEATURE_FIND_NOT( invert_flag = 0; )
		return ap;
	}
#define ALLOC_ACTION(name) (action_##name*)alloc_action(sizeof(action_##name), (action_fp) func_##name)
#endif

	cur_group = 0;
	cur_action = 0;
	IF_FEATURE_FIND_NOT( invert_flag = 0; )
	appp = xzalloc(2 * sizeof(appp[0])); /* appp[0],[1] == NULL */

	while (*argv) {
		const char *arg = argv[0];
		int parm = index_in_strings(params, arg);
		const char *arg1 = argv[1];

		dbg("arg:'%s' arg1:'%s' parm:%d PARM_type:%d", arg, arg1, parm, PARM_type);

		if (parm >= PARM_name) {
			/* All options/actions starting from -name require argument */
			if (!arg1)
				bb_error_msg_and_die(bb_msg_requires_arg, arg);
			argv++;
		}

		/* We can use big switch() here, but on i386
		 * it doesn't give smaller code. Other arches? */

/* Options always return true. They always take effect
 * rather than being processed only when their place in the
 * expression is reached.
 */
		/* Options */
		if (parm == OPT_FOLLOW) {
			dbg("follow enabled: %d", __LINE__);
			G.recurse_flags |= ACTION_FOLLOWLINKS | ACTION_DANGLING_OK;
		}
#if ENABLE_FEATURE_FIND_XDEV
		else if (parm == OPT_XDEV) {
			dbg("%d", __LINE__);
			G.xdev_on = 1;
		}
#endif
#if ENABLE_FEATURE_FIND_MAXDEPTH
		else if (parm == OPT_MINDEPTH || parm == OPT_MINDEPTH + 1) {
			dbg("%d", __LINE__);
			G.minmaxdepth[parm - OPT_MINDEPTH] = xatoi_positive(arg1);
		}
#endif
#if ENABLE_FEATURE_FIND_DEPTH
		else if (parm == OPT_DEPTH) {
			dbg("%d", __LINE__);
			G.recurse_flags |= ACTION_DEPTHFIRST;
		}
#endif
/* Actions are grouped by operators
 * ( expr )              Force precedence
 * ! expr                True if expr is false
 * -not expr             Same as ! expr
 * expr1 [-a[nd]] expr2  And; expr2 is not evaluated if expr1 is false
 * expr1 -o[r] expr2     Or; expr2 is not evaluated if expr1 is true
 * expr1 , expr2         List; both expr1 and expr2 are always evaluated
 * We implement: (), -a, -o
 */
		/* Operators */
		else if (parm == PARM_a IF_DESKTOP(|| parm == PARM_and)) {
			dbg("%d", __LINE__);
			/* no further special handling required */
		}
		else if (parm == PARM_o IF_DESKTOP(|| parm == PARM_or)) {
			dbg("%d", __LINE__);
			/* start new OR group */
			cur_group++;
			appp = xrealloc(appp, (cur_group+2) * sizeof(appp[0]));
			/*appp[cur_group] = NULL; - already NULL */
			appp[cur_group+1] = NULL;
			cur_action = 0;
		}
#if ENABLE_FEATURE_FIND_NOT
		else if (parm == PARM_char_not IF_DESKTOP(|| parm == PARM_not)) {
			/* also handles "find ! ! -name 'foo*'" */
			invert_flag ^= 1;
			dbg("invert_flag:%d", invert_flag);
		}
#endif
		/* Actions */
		else if (parm == PARM_print) {
			dbg("%d", __LINE__);
			G.need_print = 0;
			(void) ALLOC_ACTION(print);
		}
#if ENABLE_FEATURE_FIND_PRINT0
		else if (parm == PARM_print0) {
			dbg("%d", __LINE__);
			G.need_print = 0;
			(void) ALLOC_ACTION(print0);
		}
#endif
#if ENABLE_FEATURE_FIND_PRUNE
		else if (parm == PARM_prune) {
			dbg("%d", __LINE__);
			(void) ALLOC_ACTION(prune);
		}
#endif
#if ENABLE_FEATURE_FIND_QUIT
		else if (parm == PARM_quit) {
			dbg("%d", __LINE__);
			(void) ALLOC_ACTION(quit);
		}
#endif
#if ENABLE_FEATURE_FIND_DELETE
		else if (parm == PARM_delete) {
			dbg("%d", __LINE__);
			G.need_print = 0;
			G.recurse_flags |= ACTION_DEPTHFIRST;
			(void) ALLOC_ACTION(delete);
		}
#endif
#if ENABLE_FEATURE_FIND_EMPTY
		else if (parm == PARM_empty) {
			dbg("%d", __LINE__);
			(void) ALLOC_ACTION(empty);
		}
#endif
#if ENABLE_FEATURE_FIND_EXEC
		else if (parm == PARM_exec) {
			int i;
			action_exec *ap;
			IF_FEATURE_FIND_EXEC_PLUS(int all_subst = 0;)
			dbg("%d", __LINE__);
			G.need_print = 0;
			ap = ALLOC_ACTION(exec);
			ap->exec_argv = ++argv; /* first arg after -exec */
			/*ap->exec_argc = 0; - ALLOC_ACTION did it */
			while (1) {
				if (!*argv) /* did not see ';' or '+' until end */
					bb_error_msg_and_die(bb_msg_requires_arg, "-exec");
				// find -exec echo Foo ">{}<" ";"
				// executes "echo Foo >FILENAME<",
				// find -exec echo Foo ">{}<" "+"
				// executes "echo Foo FILENAME1 FILENAME2 FILENAME3...".
				if ((argv[0][0] == ';' || argv[0][0] == '+')
				 && argv[0][1] == '\0'
				) {
# if ENABLE_FEATURE_FIND_EXEC_PLUS
					if (argv[0][0] == '+')
						ap->filelist = xzalloc(sizeof(ap->filelist[0]));
# endif
					break;
				}
				argv++;
				ap->exec_argc++;
			}
			if (ap->exec_argc == 0)
				bb_error_msg_and_die(bb_msg_requires_arg, arg);
			ap->subst_count = xmalloc(ap->exec_argc * sizeof(int));
			i = ap->exec_argc;
			while (i--) {
				ap->subst_count[i] = count_strstr(ap->exec_argv[i], "{}");
				IF_FEATURE_FIND_EXEC_PLUS(all_subst += ap->subst_count[i];)
			}
# if ENABLE_FEATURE_FIND_EXEC_PLUS
			/*
			 * coreutils expects {} to appear only once in "-exec +"
			 */
			if (all_subst != 1 && ap->filelist)
				bb_simple_error_msg_and_die("only one '{}' allowed for -exec +");
# endif
		}
#endif
#if ENABLE_FEATURE_FIND_PAREN
		else if (parm == PARM_char_brace) {
			action_paren *ap;
			char **endarg;
			unsigned nested = 1;

			dbg("%d", __LINE__);
			endarg = argv;
			while (1) {
				if (!*++endarg)
					bb_simple_error_msg_and_die("unpaired '('");
				if (LONE_CHAR(*endarg, '('))
					nested++;
				else if (LONE_CHAR(*endarg, ')') && !--nested) {
					*endarg = NULL;
					break;
				}
			}
			ap = ALLOC_ACTION(paren);
			ap->subexpr = parse_params(argv + 1);
			*endarg = (char*) ")"; /* restore NULLed parameter */
			argv = endarg;
		}
#endif
		else if (parm == PARM_name || parm == PARM_iname) {
			action_name *ap;
			dbg("%d", __LINE__);
			ap = ALLOC_ACTION(name);
			ap->pattern = arg1;
			ap->iname = (parm == PARM_iname);
		}
#if ENABLE_FEATURE_FIND_PATH
		else if (parm == PARM_path IF_DESKTOP(|| parm == PARM_wholename) || parm == PARM_ipath) {
			action_path *ap;
			dbg("%d", __LINE__);
			ap = ALLOC_ACTION(path);
			ap->pattern = arg1;
			ap->ipath = (parm == PARM_ipath);
		}
#endif
#if ENABLE_FEATURE_FIND_REGEX
		else if (parm == PARM_regex) {
			action_regex *ap;
			dbg("%d", __LINE__);
			ap = ALLOC_ACTION(regex);
			xregcomp(&ap->compiled_pattern, arg1, 0 /*cflags*/);
		}
#endif
#if ENABLE_FEATURE_FIND_TYPE
		else if (parm == PARM_type) {
			action_type *ap;
			ap = ALLOC_ACTION(type);
			ap->type_mask = find_type(arg1);
			dbg("created:type mask:%x", ap->type_mask);
		}
#endif
#if ENABLE_FEATURE_FIND_EXECUTABLE
		else if (parm == PARM_executable) {
			(void) ALLOC_ACTION(executable);
		}
#endif
#if ENABLE_FEATURE_FIND_PERM
/* -perm BITS   File's mode bits are exactly BITS (octal or symbolic).
 *              Symbolic modes use mode 0 as a point of departure.
 * -perm -BITS  All of the BITS are set in file's mode.
 * -perm [+/]BITS  At least one of the BITS is set in file's mode.
 */
		else if (parm == PARM_perm) {
			action_perm *ap;
			dbg("%d", __LINE__);
			ap = ALLOC_ACTION(perm);
			ap->perm_char = arg1[0];
			arg1 = (arg1[0] == '/' ? arg1+1 : plus_minus_num(arg1));
			/*ap->perm_mask = 0; - ALLOC_ACTION did it */
			ap->perm_mask = bb_parse_mode(arg1, ap->perm_mask);
			if (ap->perm_mask == (mode_t)-1)
				bb_error_msg_and_die("invalid mode '%s'", arg1);
		}
#endif
#if ENABLE_FEATURE_FIND_MTIME
		else if (parm == PARM_mtime
# if ENABLE_FEATURE_FIND_ATIME
		 || parm == PARM_atime
# endif
# if ENABLE_FEATURE_FIND_CTIME
		 || parm == PARM_ctime
# endif
		) {
			action_mtime *ap;
			dbg("%d", __LINE__);
			ap = ALLOC_ACTION(mtime);
# if ENABLE_FEATURE_FIND_AMIN || ENABLE_FEATURE_FIND_CMIN
			ap->time_type = arg[1];
# endif
			ap->mtime_char = arg1[0];
			ap->mtime_days = xatoul(plus_minus_num(arg1));
		}
#endif
#if ENABLE_FEATURE_FIND_MMIN
		else if (parm == PARM_mmin
# if ENABLE_FEATURE_FIND_AMIN
		 || parm == PARM_amin
# endif
# if ENABLE_FEATURE_FIND_CMIN
		 || parm == PARM_cmin
# endif
		) {
			action_mmin *ap;
			dbg("%d", __LINE__);
			ap = ALLOC_ACTION(mmin);
# if ENABLE_FEATURE_FIND_AMIN || ENABLE_FEATURE_FIND_CMIN
			ap->time_type = arg[1];
# endif
			ap->mmin_char = arg1[0];
			ap->mmin_mins = xatoul(plus_minus_num(arg1));
		}
#endif
#if ENABLE_FEATURE_FIND_NEWER
		else if (parm == PARM_newer) {
			struct stat stat_newer;
			action_newer *ap;
			dbg("%d", __LINE__);
			ap = ALLOC_ACTION(newer);
			xstat(arg1, &stat_newer);
			ap->newer_mtime = stat_newer.st_mtime;
		}
#endif
#if ENABLE_FEATURE_FIND_INUM
		else if (parm == PARM_inum) {
			action_inum *ap;
			dbg("%d", __LINE__);
			ap = ALLOC_ACTION(inum);
			ap->inode_num = xatoul(arg1);
		}
#endif
#if ENABLE_FEATURE_FIND_SAMEFILE
		else if (parm == PARM_samefile) {
			action_samefile *ap;
			struct stat stbuf;
			dbg("%d", __LINE__);
			if (G.recurse_flags & (ACTION_FOLLOWLINKS |
					       ACTION_FOLLOWLINKS_L0))
				xstat(arg1, &stbuf);
			else if (lstat(arg1, &stbuf))
				bb_perror_msg_and_die("can't stat '%s'", arg1);
			ap = ALLOC_ACTION(samefile);
			ap->inode_num = stbuf.st_ino;
			ap->device = stbuf.st_dev;
		}
#endif
#if ENABLE_FEATURE_FIND_USER
		else if (parm == PARM_user) {
			action_user *ap;
			dbg("%d", __LINE__);
			ap = ALLOC_ACTION(user);
			ap->uid = bb_strtou(arg1, NULL, 10);
			if (errno)
				ap->uid = xuname2uid(arg1);
		}
#endif
#if ENABLE_FEATURE_FIND_GROUP
		else if (parm == PARM_group) {
			action_group *ap;
			dbg("%d", __LINE__);
			ap = ALLOC_ACTION(group);
			ap->gid = bb_strtou(arg1, NULL, 10);
			if (errno)
				ap->gid = xgroup2gid(arg1);
		}
#endif
#if ENABLE_FEATURE_FIND_SIZE
		else if (parm == PARM_size) {
/* -size n[bckw]: file uses n units of space
 * b (default): units are 512-byte blocks
 * c: 1 byte
 * k: kilobytes
 * w: 2-byte words
 */
#if ENABLE_LFS
#define XATOU_SFX xatoull_sfx
#else
#define XATOU_SFX xatoul_sfx
#endif
			static const struct suffix_mult find_suffixes[] ALIGN_SUFFIX = {
				{ "c", 1 },
				{ "w", 2 },
				{ "", 512 },
				{ "b", 512 },
				{ "k", 1024 },
				{ "", 0 }
			};
			action_size *ap;
			dbg("%d", __LINE__);
			ap = ALLOC_ACTION(size);
			ap->size_char = arg1[0];
			ap->size = XATOU_SFX(plus_minus_num(arg1), find_suffixes);
		}
#endif
#if ENABLE_FEATURE_FIND_CONTEXT
		else if (parm == PARM_context) {
			action_context *ap;
			dbg("%d", __LINE__);
			ap = ALLOC_ACTION(context);
			/*ap->context = NULL; - ALLOC_ACTION did it */
			/* SELinux headers erroneously declare non-const parameter */
			if (selinux_raw_to_trans_context((char*)arg1, &ap->context))
				bb_simple_perror_msg(arg1);
		}
#endif
#if ENABLE_FEATURE_FIND_LINKS
		else if (parm == PARM_links) {
			action_links *ap;
			dbg("%d", __LINE__);
			ap = ALLOC_ACTION(links);
			ap->links_char = arg1[0];
			ap->links_count = xatoul(plus_minus_num(arg1));
		}
#endif
		else {
			bb_error_msg("unrecognized: %s", arg);
			bb_show_usage();
		}
		argv++;
	}
	dbg("exiting %s", __func__);
	return appp;
#undef ALLOC_ACTION
#undef appp
#undef cur_action
#undef invert_flag
}

int find_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int find_main(int argc UNUSED_PARAM, char **argv)
{
	int i, firstopt;
	char **past_HLP, *saved;

	INIT_G();

	/* "find -type f" + getopt("+HLP") => disaster.
	 * Need to avoid getopt running into a non-HLP option.
	 * Do this by temporarily storing NULL there:
	 */
	past_HLP = argv;
	for (;;) {
		saved = *++past_HLP;
		if (!saved)
			break;
		if (saved[0] != '-')
			break;
		if (!saved[1])
			break; /* it is "-" */
		if (saved[1] == '-' && !saved[2]) {
			/* it is "--" */
			/* Try: find -- /dev/null */
			saved = *++past_HLP;
			break;
		}
		if ((saved+1)[strspn(saved+1, "HLP")] != '\0')
			break;
	}
	*past_HLP = NULL;
	/* "+": stop on first non-option */
	i = getopt32(argv, "+""HLP");
	if (i & (1<<0))
		G.recurse_flags |= ACTION_FOLLOWLINKS_L0 | ACTION_DANGLING_OK;
	if (i & (1<<1))
		G.recurse_flags |= ACTION_FOLLOWLINKS | ACTION_DANGLING_OK;
	/* -P is default and is ignored */
	argv = past_HLP; /* same result as "argv += optind;" */
	*past_HLP = saved;

	for (firstopt = 0; argv[firstopt]; firstopt++) {
		if (argv[firstopt][0] == '-')
			break;
		if (ENABLE_FEATURE_FIND_NOT && LONE_CHAR(argv[firstopt], '!'))
			break;
		if (ENABLE_FEATURE_FIND_PAREN && LONE_CHAR(argv[firstopt], '('))
			break;
	}
	if (firstopt == 0) {
		*--argv = (char*)".";
		firstopt++;
	}

	G.actions = parse_params(&argv[firstopt]);
	argv[firstopt] = NULL;

#if ENABLE_FEATURE_FIND_XDEV
	if (G.xdev_on) {
		struct stat stbuf;

		G.xdev_count = firstopt;
		G.xdev_dev = xzalloc(G.xdev_count * sizeof(G.xdev_dev[0]));
		for (i = 0; argv[i]; i++) {
			/* not xstat(): shouldn't bomb out on
			 * "find not_exist exist -xdev" */
			if (stat(argv[i], &stbuf) == 0)
				G.xdev_dev[i] = stbuf.st_dev;
			/* else G.xdev_dev[i] stays 0 and
			 * won't match any real device dev_t
			 */
		}
	}
#endif

	for (i = 0; argv[i]; i++) {
		if (!recursive_action(argv[i],
				G.recurse_flags,/* flags */
				fileAction,     /* file action */
				fileAction,     /* dir action */
				NULL)           /* user data */
		) {
			G.exitstatus |= EXIT_FAILURE;
		}
	}

	IF_FEATURE_FIND_EXEC_PLUS(G.exitstatus |= flush_exec_plus();)
	return G.exitstatus;
}