Fix users of KDFs to use params not ctls

[openssl.git] / crypto / asn1 / a_i2d_fp.c

diff --git a/crypto/asn1/a_i2d_fp.c b/crypto/asn1/a_i2d_fp.c
index c3ed991b79435c8c0a6f14366aa3abea2b047167..e718bf4cb150684792d0081756ccee8035939ef1 100644 (file)
--- a/crypto/asn1/a_i2d_fp.c
+++ b/crypto/asn1/a_i2d_fp.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL license (the "License").  You may not use
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
  * https://www.openssl.org/source/license.html
@@ -15,7 +15,7 @@
 #ifndef NO_OLD_ASN1
 
 # ifndef OPENSSL_NO_STDIO
-int ASN1_i2d_fp(i2d_of_void *i2d, FILE *out, void *x)
+int ASN1_i2d_fp(i2d_of_void *i2d, FILE *out, const void *x)
 {
     BIO *b;
     int ret;
@@ -31,13 +31,16 @@ int ASN1_i2d_fp(i2d_of_void *i2d, FILE *out, void *x)
 }
 # endif
 
-int ASN1_i2d_bio(i2d_of_void *i2d, BIO *out, unsigned char *x)
+int ASN1_i2d_bio(i2d_of_void *i2d, BIO *out, const void *x)
 {
     char *b;
     unsigned char *p;
     int i, j = 0, n, ret = 1;
 
     n = i2d(x, NULL);
+    if (n <= 0)
+        return 0;
+
     b = OPENSSL_malloc(n);
     if (b == NULL) {
         ASN1err(ASN1_F_ASN1_I2D_BIO, ERR_R_MALLOC_FAILURE);
@@ -65,7 +68,7 @@ int ASN1_i2d_bio(i2d_of_void *i2d, BIO *out, unsigned char *x)
 #endif
 
 #ifndef OPENSSL_NO_STDIO
-int ASN1_item_i2d_fp(const ASN1_ITEM *it, FILE *out, void *x)
+int ASN1_item_i2d_fp(const ASN1_ITEM *it, FILE *out, const void *x)
 {
     BIO *b;
     int ret;
@@ -81,7 +84,7 @@ int ASN1_item_i2d_fp(const ASN1_ITEM *it, FILE *out, void *x)
 }
 #endif
 
-int ASN1_item_i2d_bio(const ASN1_ITEM *it, BIO *out, void *x)
+int ASN1_item_i2d_bio(const ASN1_ITEM *it, BIO *out, const void *x)
 {
     unsigned char *b = NULL;
     int i, j = 0, n, ret = 1;