/*
* call-seq:
* str.reverse! => str
*
* Reverses <i>str</i> in place.
*/
static VALUE
rb_str_reverse_bang(str)
VALUE str;
{
char *s, *e;
char c;
if (RSTRING(str)->len > 1) {
rb_str_modify(str);
s = RSTRING(str)->ptr;
e = s + RSTRING(str)->len - 1;
while (s < e) {
c = *s;
*s++ = *e;
*e-- = c;
}
}
return str;
}