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1.1 ! root 1: .\" Copyright (c) 1989 The Regents of the University of California. ! 2: .\" All rights reserved. ! 3: .\" ! 4: .\" Redistribution and use in source and binary forms are permitted provided ! 5: .\" that: (1) source distributions retain this entire copyright notice and ! 6: .\" comment, and (2) distributions including binaries display the following ! 7: .\" acknowledgement: ``This product includes software developed by the ! 8: .\" University of California, Berkeley and its contributors'' in the ! 9: .\" documentation or other materials provided with the distribution and in ! 10: .\" all advertising materials mentioning features or use of this software. ! 11: .\" Neither the name of the University nor the names of its contributors may ! 12: .\" be used to endorse or promote products derived from this software without ! 13: .\" specific prior written permission. ! 14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED ! 15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF ! 16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ! 17: .\" ! 18: .\" @(#)chflags.2 6.3 (Berkeley) 6/23/90 ! 19: .\" ! 20: .TH CHFALGS 2 "June 23, 1990" ! 21: .UC 7 ! 22: .SH NAME ! 23: chflags, fchflags \- set file flags ! 24: .SH SYNOPSIS ! 25: .nf ! 26: .ft B ! 27: chflags(path, flags) ! 28: char *path; ! 29: long flags; ! 30: .LP ! 31: .ft B ! 32: fchflags(fd, flags) ! 33: int fd; ! 34: long flags; ! 35: .fi ! 36: .ft R ! 37: .SH DESCRIPTION ! 38: The file whose name ! 39: is given by \fIpath\fP ! 40: or referenced by the descriptor ! 41: .I fd ! 42: has its flags changed to ! 43: .IR flags . ! 44: .PP ! 45: Only the owner of a file (or the super-user) may change the flags. ! 46: The owner may only change the lower 16 bits of the flags; ! 47: the super-user may change all 32 bits of the flags. ! 48: .SH RETURN VALUE ! 49: Upon successful completion, a value of 0 is returned. ! 50: Otherwise, \-1 is returned and the global variable ! 51: .I errno ! 52: is set to indicate the error. ! 53: .SH ERRORS ! 54: .I Chflags ! 55: fails if one or more of the following are true: ! 56: .TP 15 ! 57: [ENOTDIR] ! 58: A component of the path prefix is not a directory. ! 59: .TP 15 ! 60: [EINVAL] ! 61: The pathname contains a character with the high-order bit set. ! 62: .TP 15 ! 63: [ENAMETOOLONG] ! 64: A component of a pathname exceeded 255 characters, ! 65: or an entire path name exceeded 1023 characters. ! 66: .TP 15 ! 67: [ENOENT] ! 68: The named file does not exist. ! 69: .TP 15 ! 70: [EACCES] ! 71: Search permission is denied for a component of the path prefix. ! 72: .TP 15 ! 73: [ELOOP] ! 74: Too many symbolic links were encountered in translating the pathname. ! 75: .TP 15 ! 76: [EPERM] ! 77: The effective user ID does not match the owner of the file and ! 78: the effective user ID is not the super-user. ! 79: .TP 15 ! 80: [EROFS] ! 81: The named file resides on a read-only file system. ! 82: .TP 15 ! 83: [EFAULT] ! 84: .I Path ! 85: points outside the process's allocated address space. ! 86: .TP 15 ! 87: [EIO] ! 88: An I/O error occurred while reading from or writing to the file system. ! 89: .PP ! 90: .I Fchflags ! 91: will fail if: ! 92: .TP 15 ! 93: [EBADF] ! 94: The descriptor is not valid. ! 95: .TP 15 ! 96: [EINVAL] ! 97: .I Fd ! 98: refers to a socket, not to a file. ! 99: .TP 15 ! 100: [EPERM] ! 101: The effective user ID does not match the owner of the file and ! 102: the effective user ID is not the super-user. ! 103: .TP 15 ! 104: [EROFS] ! 105: The file resides on a read-only file system. ! 106: .TP 15 ! 107: [EIO] ! 108: An I/O error occurred while reading from or writing to the file system. ! 109: .SH "SEE ALSO" ! 110: chmod(2), open(2), chown(2), stat(2)
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