/* $OpenBSD: makeinodes.c,v 1.2 2021/07/18 11:25:47 schwarze Exp $ */ /* * Copyright (c) 2016, 2021 Ingo Schwarze * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #define HSIZE 64 int main(int argc, char *argv[]) { struct stat sb1, sb2; long long diff; int fd, rev; if (argc > 1 && strcmp(argv[1], "-r") == 0) { rev = 1; argc--; argv++; } else rev = 0; if (argc != 2) { fputs("usage: makeinodes [-r] dirname\n", stderr); return 1; } if (mkdir(argv[1], 0755) == -1) err(1, "mkdir(%s)", argv[1]); if (chdir(argv[1]) == -1) err(1, "chdir(%s)", argv[1]); if (mkdir("man1", 0755) == -1) err(1, "mkdir(man1)"); if (chdir("man1") == -1) err(1, "chdir(man1)"); if ((fd = open("1", O_WRONLY | O_CREAT | O_EXCL, 0644)) == -1) err(1, "open(1)"); if (fstat(fd, &sb1) == -1) err(1, "fstat(1)"); if (close(fd) == -1) err(1, "close(1)"); if ((fd = open("2", O_WRONLY | O_CREAT | O_EXCL, 0644)) == -1) err(1, "open(2)"); if (fstat(fd, &sb2) == -1) err(1, "fstat(2)"); if (close(fd) == -1) err(1, "close(2)"); while ((diff = sb2.st_ino % HSIZE - sb1.st_ino % HSIZE) == 0) { if ((fd = open("3", O_WRONLY | O_CREAT | O_EXCL, 0644)) == -1) err(1, "open(3)"); if (fstat(fd, &sb2) == -1) err(1, "fstat(3)"); if (close(fd) == -1) err(1, "close(3)"); if (rename("3", "2") == -1) err(1, "rename(3, 2)"); } if ((diff < 0) == rev) { if (rename("1", "one.1") == -1) err(1, "rename(1, one)"); if (rename("2", "two.1") == -1) err(1, "rename(2, two)"); } else { if (rename("2", "one.1") == -1) err(1, "rename(2, one)"); if (rename("1", "two.1") == -1) err(1, "rename(1, two)"); } return 0; }