readable?()
public
Returns true if stat is readable by the effective user id of this
process.
File.stat("testfile").readable?
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/*
* call-seq:
* stat.readable? => true or false
*
* Returns <code>true</code> if <i>stat</i> is readable by the
* effective user id of this process.
*
* File.stat("testfile").readable? #=> true
*
*/
static VALUE
rb_stat_r(obj)
VALUE obj;
{
struct stat *st = get_stat(obj);
if (geteuid() == 0) return Qtrue;
if (rb_stat_owned(obj))
return st->st_mode & S_IRUSR ? Qtrue : Qfalse;
if (rb_stat_grpowned(obj))
return st->st_mode & S_IRGRP ? Qtrue : Qfalse;
if (!(st->st_mode & S_IROTH)) return Qfalse;
return Qtrue;
}