summaryrefslogtreecommitdiff
path: root/string.c
diff options
context:
space:
mode:
Diffstat (limited to 'string.c')
-rw-r--r--string.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/string.c b/string.c
index ff9e6bd..46f9725 100644
--- a/string.c
+++ b/string.c
@@ -1381,16 +1381,16 @@ static VALUE
rb_str_reverse_bang(str)
VALUE str;
{
- char *s, *e, *p, *q;
+ char *s, *e;
+ char c;
s = RSTRING(str)->ptr;
e = s + RSTRING(str)->len - 1;
- p = q = ALLOCA_N(char, RSTRING(str)->len);
-
- while (e >= s) {
- *p++ = *e--;
+ while (s < e) {
+ c = *s;
+ *s++ = *e;
+ *e-- = c;
}
- MEMCPY(RSTRING(str)->ptr, q, char, RSTRING(str)->len);
return str;
}