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Diffstat (limited to 'ext/openssl/ossl_pkey.c')
-rw-r--r--ext/openssl/ossl_pkey.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/openssl/ossl_pkey.c b/ext/openssl/ossl_pkey.c
index fc93fe165c..903a3bb1e5 100644
--- a/ext/openssl/ossl_pkey.c
+++ b/ext/openssl/ossl_pkey.c
@@ -177,7 +177,7 @@ ossl_pkey_sign(VALUE self, VALUE digest, VALUE data)
str = rb_str_new(0, EVP_PKEY_size(pkey)+16);
if (!EVP_SignFinal(&ctx, (unsigned char *)RSTRING_PTR(str), &buf_len, pkey))
ossl_raise(ePKeyError, NULL);
- assert(buf_len <= RSTRING_LEN(str));
+ assert((long)buf_len <= RSTRING_LEN(str));
rb_str_set_len(str, buf_len);
return str;