// =================================================================== // // Copyright (c) 2005, Intel Corp. // All rights reserved. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Intel Corporation nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE // COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED // OF THE POSSIBILITY OF SUCH DAMAGE. // =================================================================== #ifndef __VTPM_BUFFER_H__ #define __VTPM_BUFFER_H__ #include // for pointer NULL #include "tcg.h" typedef UINT32 tpm_size_t; // first version, probably will be expanded... #define NULL_BUF {0,0,0,0} typedef struct { // private!! tpm_size_t size, alloc_size; BYTE * bytes; BOOL is_owner; // do we own this buffer, and need to free it? } buffer_t; // allocate the buffer if initsize > 0, copying over initval if provided TPM_RESULT buffer_init (buffer_t * buf, tpm_size_t initsize, const BYTE* initval); // Create a new buffer from a BYTE *. Use buffer_free to destroy original BYTE * TPM_RESULT buffer_init_convert (buffer_t * buf, tpm_size_t initsize, BYTE* initval); // make an alias to a constant array, no copying TPM_RESULT buffer_init_const (buffer_t * buf, tpm_size_t size, const BYTE* val); // make an alias into buf, with given offset and length // if len = 0, make the alias go to the end of buf TPM_RESULT buffer_init_alias (buffer_t * buf, const buffer_t * b, tpm_size_t offset, tpm_size_t); // make an alias buffer into a bytestream TPM_RESULT buffer_init_alias_convert (buffer_t * buf, tpm_size_t size, BYTE* val); // "copy constructor" TPM_RESULT buffer_init_copy (buffer_t * buf, const buffer_t * src); // copy into the start of a TPM_RESULT buffer_copy (buffer_t * dest, const buffer_t* src); // are they equal? BOOL buffer_eq (const buffer_t * a, const buffer_t * b); // set the buffer to a constant byte void buffer_memset (buffer_t * buf, BYTE b); tpm_size_t buffer_len (const buffer_t* buf); TPM_RESULT buffer_free (buffer_t * buf); TPM_RESULT buffer_append_raw (buffer_t * buf, tpm_size_t len, const BYTE* bytes); #endif // _TOOLS_H_ n13' href='#n13'>13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37