From 46ef075a99b3ea8e8bd5641405f745c43fdaefb2 Mon Sep 17 00:00:00 2001 From: Matt Caswell Date: Thu, 17 Oct 2019 17:19:21 +0100 Subject: [PATCH] Allow strings in params to be of zero length Sometimes it is useful to be able to pass NULL/zero length strings Reviewed-by: Richard Levitte (Merged from https://github.com/openssl/openssl/pull/10152) --- crypto/params.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/crypto/params.c b/crypto/params.c index 58a4710e47..5d1fc6a6f2 100644 --- a/crypto/params.c +++ b/crypto/params.c @@ -776,6 +776,9 @@ static int get_string_internal(const OSSL_PARAM *p, void **val, size_t max_len, if (used_len != NULL) *used_len = sz; + if (sz == 0) + return 1; + if (*val == NULL) { char *const q = OPENSSL_malloc(sz); -- 2.25.1