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#ifndef CONST86
#   if TCL_MAJOR_VERSION > 8
#	define CONST86 const
#   else
#	define CONST86
#   endif
#endif

/*
 * Backwards compatibility for size type change
 */
#if TCL_MAJOR_VERSION < 9 && TCL_MINOR_VERSION < 7
    #include <limits.h>
    #define TCL_SIZE_MAX INT_MAX

    #ifndef Tcl_Size
        typedef int Tcl_Size;
    #endif

    #define TCL_SIZE_MODIFIER ""
    #define Tcl_GetSizeIntFromObj Tcl_GetIntFromObj
    #define Tcl_NewSizeIntObj     Tcl_NewIntObj
    #define Tcl_NewSizeIntFromObj Tcl_NewWideIntObj
#endif

#include <openssl/ssl.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include <openssl/opensslv.h>

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#else
#define dprintf(...) if (0) { fprintf(stderr, __VA_ARGS__); }
#define dprintBuffer(bufferName, bufferLength) /**/
#define dprintFlags(statePtr) /**/
#endif

#define TCLTLS_SSL_ERROR(ssl,err) ((char*)ERR_reason_error_string((unsigned long)SSL_get_error((ssl),(err))))
#define REASON()	ERR_reason_error_string(ERR_get_error())

/* Common list append macros */
#define LAPPEND_BARRAY(interp, obj, text, value, size) {\
    if (text != NULL) Tcl_ListObjAppendElement(interp, obj, Tcl_NewStringObj(text, -1)); \
    Tcl_ListObjAppendElement(interp, obj, Tcl_NewByteArrayObj(value, size)); \
}
#define LAPPEND_STR(interp, obj, text, value, size) {\
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Tcl_Obj         *Tls_NewX509Obj(Tcl_Interp *interp, X509 *cert);
Tcl_Obj		*Tls_NewCAObj(Tcl_Interp *interp, const SSL *ssl, int peer);
void            Tls_Error(State *statePtr, char *msg);
void            Tls_Free(char *blockPtr);
void            Tls_Clean(State *statePtr);
int             Tls_WaitForConnect(State *statePtr, int *errorCodePtr, int handshakeFailureIsPermanent);
int             Tls_DigestCommands(Tcl_Interp *interp);
int             Tls_EncryptCommands(Tcl_Interp *interp);
int             Tls_InfoCommands(Tcl_Interp *interp);
int             Tls_KDFCommands(Tcl_Interp *interp);
int             Tls_RandCommands(Tcl_Interp *interp);

BIO             *BIO_new_tcl(State* statePtr, int flags);

EVP_CIPHER	*Util_GetCipher(Tcl_Interp *interp, Tcl_Obj *cipherObj, int no_null);
EVP_MD		*Util_GetDigest(Tcl_Interp *interp, Tcl_Obj *digestObj, int no_null);
unsigned char	*Util_GetIV(Tcl_Interp *interp, Tcl_Obj *ivObj, Tcl_Size *len, int max, int no_null);
unsigned char	*Util_GetKey(Tcl_Interp *interp, Tcl_Obj *keyObj, Tcl_Size *len, char *name, int max, int no_null);
unsigned char	*Util_GetSalt(Tcl_Interp *interp, Tcl_Obj *saltObj, Tcl_Size *len, int max, int no_null);
int		Util_GetInt(Tcl_Interp *interp, Tcl_Obj *dataObj, int *value, char *name, int min, int max);
#if OPENSSL_VERSION_NUMBER >= 0x30000000L
EVP_MAC		*Util_GetMAC(Tcl_Interp *interp, Tcl_Obj *MacObj, int no_null);
#endif

#define PTR2INT(x) ((int) ((intptr_t) (x)))

#endif /* _TLSINT_H */