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-rw-r--r--lib/libcrypto/cryptlib.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/libcrypto/cryptlib.h b/lib/libcrypto/cryptlib.h
index a0489e57fc9..37ce7721fb0 100644
--- a/lib/libcrypto/cryptlib.h
+++ b/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