1 files changed, 3 insertions, 0 deletions

diff --git a/src/lib/libcrypto/cryptlib.h b/src/lib/libcrypto/cryptlib.h
index a0489e57fc..37ce7721fb 100644
--- a/src/lib/libcrypto/cryptlib.h
+++ b/src/lib/libcrypto/cryptlib.h
@@ -89,6 +89,9 @@ extern "C" {
 #define X509_CERT_DIR_EVP        "SSL_CERT_DIR"
 #define X509_CERT_FILE_EVP       "SSL_CERT_FILE"
 
+/* size of string represenations */
+#define DECIMAL_SIZE(type)     ((sizeof(type)*8+2)/3+1)
+
 #ifdef  __cplusplus
 }
 #endif