Don't clean up stuff twice.

[openssl.git] / crypto / evp / evp.h

diff --git a/crypto/evp/evp.h b/crypto/evp/evp.h
index a26594e9bdcc36d308d85953c61c8cedc9323e57..ff9e67f7c663f6aec7049acf6758f33669d14546 100644 (file)
--- a/crypto/evp/evp.h
+++ b/crypto/evp/evp.h
@@ -271,6 +271,8 @@ struct env_md_ctx_st
 
 #define EVP_MD_CTX_FLAG_ONESHOT                0x0001 /* digest update will be called
                                                * once only */
+#define EVP_MD_CTX_FLAG_CLEANED                0x0002 /* context has already been
+                                               * cleaned */
 
 struct evp_cipher_st
        {
@@ -457,6 +459,8 @@ EVP_MD_CTX *EVP_MD_CTX_create(void);
 void   EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
 int     EVP_MD_CTX_copy(EVP_MD_CTX *out,const EVP_MD_CTX *in);  
 #define EVP_MD_CTX_set_flags(ctx,flgs) ((ctx)->flags|=(flgs))
+#define EVP_MD_CTX_clear_flags(ctx,flgs) ((ctx)->flags&=~(flgs))
+#define EVP_MD_CTX_test_flags(ctx,flgs) ((ctx)->flags&(flgs))
 int    EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
 int    EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
 int    EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,