From 8b3774be3dd9f472bddd99e84e3c9fe2ff99d7ac Mon Sep 17 00:00:00 2001 From: Nobuyoshi Nakada Date: Tue, 18 Jun 2019 13:27:05 +0900 Subject: Fix memory leak * string.c (str_make_independent_expand): free independent buffer. [Bug# 15935] Co-Authored-By: luke-gru (Luke Gruber) --- string.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'string.c') diff --git a/string.c b/string.c index e811e8aa9d..fdb7e4003c 100644 --- a/string.c +++ b/string.c @@ -2069,7 +2069,7 @@ static void str_make_independent_expand(VALUE str, long len, long expand, const int termlen) { char *ptr; - const char *oldptr; + char *oldptr; long capa = len + expand; if (len > capa) len = capa; @@ -2088,6 +2088,9 @@ str_make_independent_expand(VALUE str, long len, long expand, const int termlen) if (oldptr) { memcpy(ptr, oldptr, len); } + if (FL_TEST_RAW(str, STR_NOEMBED|STR_NOFREE|STR_SHARED) == STR_NOEMBED) { + xfree(oldptr); + } STR_SET_NOEMBED(str); FL_UNSET(str, STR_SHARED|STR_NOFREE); TERM_FILL(ptr + len, termlen); -- cgit v1.2.3