Add explanatory comment about fitting into a size_t.

[openssl.git] / crypto / evp / encode.c

diff --git a/crypto/evp/encode.c b/crypto/evp/encode.c
index e026a8f0caf89b5a8f73ebf4b2bcb089f7b6d380..abb1044378c398ac1ce2b0de8b12a1791a556fb8 100644 (file)
--- a/crypto/evp/encode.c
+++ b/crypto/evp/encode.c
@@ -55,7 +55,7 @@ abcdefghijklmnopqrstuvwxyz0123456789+/";
 #define B64_WS                  0xE0
 #define B64_ERROR               0xFF
 #define B64_NOT_BASE64(a)       (((a)|0x13) == 0xF3)
-#define B64_BASE64(a)           !B64_NOT_BASE64(a)
+#define B64_BASE64(a)           (!B64_NOT_BASE64(a))
 
 static const unsigned char data_ascii2bin[128] = {
     0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
@@ -102,6 +102,14 @@ void EVP_ENCODE_CTX_free(EVP_ENCODE_CTX *ctx)
 {
     OPENSSL_free(ctx);
 }
+
+int EVP_ENCODE_CTX_copy(EVP_ENCODE_CTX *dctx, EVP_ENCODE_CTX *sctx)
+{
+    memcpy(dctx, sctx, sizeof(EVP_ENCODE_CTX));
+
+    return 1;
+}
+
 int EVP_ENCODE_CTX_num(EVP_ENCODE_CTX *ctx)
 {
     return ctx->num;