int main(int argc, char *argv[]) { struct stat sb; struct timespec ts[2]; int atflag; int Aflag, aflag, cflag, mflag, ch, fd, len, rval, timeset; char *p; char *myname; myname = basename(argv[0]); Aflag = aflag = cflag = mflag = timeset = 0; atflag = 0; ts[0].tv_sec = ts[1].tv_sec = 0; ts[0].tv_nsec = ts[1].tv_nsec = UTIME_NOW; while ((ch = getopt(argc, argv, "A:acd:fhmr:t:")) != -1) switch(ch) { case 'A': Aflag = timeoffset(optarg); break; case 'a': aflag = 1; break; case 'c': cflag = 1; break; case 'd': timeset = 1; stime_darg(optarg, ts); break; case 'f': /* No-op for compatibility. */ break; case 'h': cflag = 1; atflag = AT_SYMLINK_NOFOLLOW; break; case 'm': mflag = 1; break; case 'r': timeset = 1; stime_file(optarg, ts); break; case 't': timeset = 1; stime_arg1(optarg, ts); break; default: usage(myname); } argc -= optind; argv += optind; if (aflag == 0 && mflag == 0) aflag = mflag = 1; if (timeset) { if (Aflag) { /* * We're setting the time to an offset from a specified * time. God knows why, but it means that we can set * that time once and for all here. */ if (aflag) ts[0].tv_sec += Aflag; if (mflag) ts[1].tv_sec += Aflag; Aflag = 0; /* done our job */ } } else { /* * If no -r or -t flag, at least two operands, the first of * which is an 8 or 10 digit number, use the obsolete time * specification, otherwise use the current time. */ if (argc > 1) { strtol(argv[0], &p, 10); len = p - argv[0]; if (*p == '\0' && (len == 8 || len == 10)) { timeset = 1; stime_arg2(*argv++, len == 10, ts); } } /* Both times default to the same. */ ts[1] = ts[0]; } if (!aflag) ts[0].tv_nsec = UTIME_OMIT; if (!mflag) ts[1].tv_nsec = UTIME_OMIT; if (*argv == NULL) usage(myname); if (Aflag) cflag = 1; for (rval = 0; *argv; ++argv) { /* See if the file exists. */ if (fstatat(AT_FDCWD, *argv, &sb, atflag) != 0) { if (errno != ENOENT) { rval = 1; warn("%s", *argv); continue; } if (!cflag) { /* Create the file. */ fd = open(*argv, O_WRONLY | O_CREAT, DEFFILEMODE); if (fd == -1 || fstat(fd, &sb) || close(fd)) { rval = 1; warn("%s", *argv); continue; } /* If using the current time, we're done. */ if (!timeset) continue; } else continue; } /* * We're adjusting the times based on the file times, not a * specified time (that gets handled above). */ if (Aflag) { if (aflag) { ts[0] = sb.st_atim; ts[0].tv_sec += Aflag; } if (mflag) { ts[1] = sb.st_mtim; ts[1].tv_sec += Aflag; } } if (!utimensat(AT_FDCWD, *argv, ts, atflag)) continue; rval = 1; warn("%s", *argv); } exit(rval); }
int main(int argc, char *argv[]) { struct stat sb; struct timeval tv[2]; int (*stat_f)(const char *, struct stat *); int (*utimes_f)(const char *, const struct timeval *); int Aflag, aflag, cflag, mflag, ch, fd, len, rval, timeset; char *p; char *myname; myname = basename(argv[0]); Aflag = aflag = cflag = mflag = timeset = 0; stat_f = stat; utimes_f = utimes; if (gettimeofday(&tv[0], NULL) == -1) err(1, "gettimeofday"); while ((ch = getopt(argc, argv, "A:acd:fhmr:t:")) != -1) switch(ch) { case 'A': Aflag = timeoffset(optarg); break; case 'a': aflag = 1; break; case 'c': cflag = 1; break; case 'd': timeset = 1; stime_darg(optarg, tv); break; case 'f': /* No-op for compatibility. */ break; case 'h': cflag = 1; stat_f = lstat; utimes_f = lutimes; break; case 'm': mflag = 1; break; case 'r': timeset = 1; stime_file(optarg, tv); break; case 't': timeset = 1; stime_arg1(optarg, tv); break; default: usage(myname); } argc -= optind; argv += optind; if (aflag == 0 && mflag == 0) aflag = mflag = 1; if (timeset) { if (Aflag) { /* * We're setting the time to an offset from a specified * time. God knows why, but it means that we can set * that time once and for all here. */ if (aflag) tv[0].tv_sec += Aflag; if (mflag) tv[1].tv_sec += Aflag; Aflag = 0; /* done our job */ } } else { /* * If no -r or -t flag, at least two operands, the first of * which is an 8 or 10 digit number, use the obsolete time * specification, otherwise use the current time. */ if (argc > 1) { strtol(argv[0], &p, 10); len = p - argv[0]; if (*p == '\0' && (len == 8 || len == 10)) { timeset = 1; stime_arg2(*argv++, len == 10, tv); } } /* Both times default to the same. */ tv[1] = tv[0]; } if (*argv == NULL) usage(myname); if (Aflag) cflag = 1; for (rval = 0; *argv; ++argv) { /* See if the file exists. */ if (stat_f(*argv, &sb) != 0) { if (errno != ENOENT) { rval = 1; warn("%s", *argv); continue; } if (!cflag) { /* Create the file. */ fd = open(*argv, O_WRONLY | O_CREAT, DEFFILEMODE); if (fd == -1 || fstat(fd, &sb) || close(fd)) { rval = 1; warn("%s", *argv); continue; } /* If using the current time, we're done. */ if (!timeset) continue; } else continue; } if (!aflag) TIMESPEC_TO_TIMEVAL(&tv[0], &sb.st_atim); if (!mflag) TIMESPEC_TO_TIMEVAL(&tv[1], &sb.st_mtim); /* * We're adjusting the times based on the file times, not a * specified time (that gets handled above). */ if (Aflag) { if (aflag) { TIMESPEC_TO_TIMEVAL(&tv[0], &sb.st_atim); tv[0].tv_sec += Aflag; } if (mflag) { TIMESPEC_TO_TIMEVAL(&tv[1], &sb.st_mtim); tv[1].tv_sec += Aflag; } } /* Try utimes(2). */ if (!utimes_f(*argv, tv)) continue; /* If the user specified a time, nothing else we can do. */ if (timeset || Aflag) { rval = 1; warn("%s", *argv); continue; } /* * System V and POSIX 1003.1 require that a NULL argument * set the access/modification times to the current time. * The permission checks are different, too, in that the * ability to write the file is sufficient. Take a shot. */ if (!utimes_f(*argv, NULL)) continue; rval = 1; warn("%s", *argv); } exit(rval); }