method

chardev?

Ruby latest stable (v2_5_5) - 0 notes - Class: FileTest

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chardev?(p1) public

Returns true if the named file is a character device.

file_name can be an IO object.

static VALUE
rb_file_chardev_p(VALUE obj, VALUE fname)
{
#ifndef S_ISCHR
#   define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
#endif

    struct stat st;

    if (rb_stat(fname, &st) < 0) return Qfalse;
    if (S_ISCHR(st.st_mode)) return Qtrue;

    return Qfalse;
}

chardev?

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