coreutils/lib/chown.c

1 /* provide consistent interface to chown for systems that don't interpret
36 chown (const char *file _GL_UNUSED, uid_t uid _GL_UNUSED,
45 /* Below we refer to the system's chown().  */
46 # undef chown
53 /* Provide a more-closely POSIX-conforming version of chown on
55    - chown doesn't treat an ID of -1 as meaning
57    - chown doesn't dereference symlinks.  */
90     /* Handle the case in which the system-supplied chown function
108            and pipes, so fall back on chown in that case.  */
136   result = chown (file, uid, gid);
144          so we are required to update ctime.  Since chown succeeded,
146          known systems where a 'no-op' chown skips the ctime update, a