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-rw-r--r--file.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/file.c b/file.c
index e333c868a9c..d10aeaa3e09 100644
--- a/file.c
+++ b/file.c
@@ -4792,7 +4792,7 @@ ruby_enc_find_extname(const char *name, long *len, rb_encoding *enc)
* File.extname("test.rb") #=> ".rb"
* File.extname("a/b/d/test.rb") #=> ".rb"
* File.extname(".a/b/d/test.rb") #=> ".rb"
- * File.extname("foo.") #=> ""
+ * File.extname("foo.") #=> "."
* File.extname("test") #=> ""
* File.extname(".profile") #=> ""
* File.extname(".profile.sh") #=> ".sh"
@@ -4810,7 +4810,7 @@ rb_file_s_extname(VALUE klass, VALUE fname)
name = StringValueCStr(fname);
len = RSTRING_LEN(fname);
e = ruby_enc_find_extname(name, &len, rb_enc_get(fname));
- if (len <= 1)
+ if (len < 1)
return rb_str_new(0, 0);
extname = rb_str_subseq(fname, e - name, len); /* keep the dot, too! */
OBJ_INFECT(extname, fname);