diff options
Diffstat (limited to 'thirdparty/mbedtls/library/pem.c')
| -rw-r--r-- | thirdparty/mbedtls/library/pem.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/thirdparty/mbedtls/library/pem.c b/thirdparty/mbedtls/library/pem.c index c09651f4a2..ac86d7e479 100644 --- a/thirdparty/mbedtls/library/pem.c +++ b/thirdparty/mbedtls/library/pem.c @@ -442,7 +442,7 @@ int mbedtls_pem_write_buffer( const char *header, const char *footer, unsigned char *buf, size_t buf_len, size_t *olen ) { int ret; - unsigned char *encode_buf, *c, *p = buf; + unsigned char *encode_buf = NULL, *c, *p = buf; size_t len = 0, use_len, add_len = 0; mbedtls_base64_encode( NULL, 0, &use_len, der_data, der_len ); @@ -454,7 +454,8 @@ int mbedtls_pem_write_buffer( const char *header, const char *footer, return( MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL ); } - if( ( encode_buf = mbedtls_calloc( 1, use_len ) ) == NULL ) + if( use_len != 0 && + ( ( encode_buf = mbedtls_calloc( 1, use_len ) ) == NULL ) ) return( MBEDTLS_ERR_PEM_ALLOC_FAILED ); if( ( ret = mbedtls_base64_encode( encode_buf, use_len, &use_len, der_data, |