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-rw-r--r--variable.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/variable.c b/variable.c
index 04d826bf2d..7e56e8df89 100644
--- a/variable.c
+++ b/variable.c
@@ -196,6 +196,7 @@ rb_class_path(klass)
}
else {
char *s = "Class";
+ size_t len;
if (TYPE(klass) == T_MODULE) {
if (rb_obj_class(klass) == rb_cModule) {
@@ -205,8 +206,9 @@ rb_class_path(klass)
s = rb_class2name(RBASIC(klass)->klass);
}
}
- path = rb_str_new(0, 2 + strlen(s) + 3 + 2 * SIZEOF_LONG + 1);
- sprintf(RSTRING(path)->ptr, "#<%s:0x%lx>", s, klass);
+ len = 2 + strlen(s) + 3 + 2 * SIZEOF_LONG + 1;
+ path = rb_str_new(0, len);
+ snprintf(RSTRING(path)->ptr, len, "#<%s:0x%lx>", s, klass);
RSTRING(path)->len = strlen(RSTRING(path)->ptr);
rb_ivar_set(klass, tmp_classpath, path);