1f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* 2f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * Dropbear - a SSH2 server 3f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 4f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * Copyright (c) 2002,2003 Matt Johnston 5f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * All rights reserved. 6f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 7f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * Permission is hereby granted, free of charge, to any person obtaining a copy 8f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * of this software and associated documentation files (the "Software"), to deal 9f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * in the Software without restriction, including without limitation the rights 10f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * copies of the Software, and to permit persons to whom the Software is 12f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * furnished to do so, subject to the following conditions: 13f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 14f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * The above copyright notice and this permission notice shall be included in 15f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * all copies or substantial portions of the Software. 16f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 17f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 20f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * SOFTWARE. */ 24f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 25f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#ifndef _BUFFER_H_ 26f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 27f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#define _BUFFER_H_ 28f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 29f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#include "includes.h" 30f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 31f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectstruct buf { 32f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 33f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project unsigned char * data; 34f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project unsigned int len; /* the used size */ 35f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project unsigned int pos; 36f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project unsigned int size; /* the memory size */ 37f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 38f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project}; 39f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 40f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projecttypedef struct buf buffer; 41f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 42f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectbuffer * buf_new(unsigned int size); 43f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectvoid buf_resize(buffer *buf, unsigned int newsize); 44f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectvoid buf_free(buffer* buf); 45f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectvoid buf_burn(buffer* buf); 46f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectbuffer* buf_newcopy(buffer* buf); 47f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectvoid buf_setlen(buffer* buf, unsigned int len); 48f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectvoid buf_incrlen(buffer* buf, unsigned int incr); 49f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectvoid buf_setpos(buffer* buf, unsigned int pos); 50f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectvoid buf_incrpos(buffer* buf, int incr); /* -ve is ok, to go backwards */ 51f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectvoid buf_incrwritepos(buffer* buf, unsigned int incr); 52f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectunsigned char buf_getbyte(buffer* buf); 53f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectunsigned char buf_getbool(buffer* buf); 54f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectvoid buf_putbyte(buffer* buf, unsigned char val); 55f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectunsigned char* buf_getptr(buffer* buf, unsigned int len); 56f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectunsigned char* buf_getwriteptr(buffer* buf, unsigned int len); 57f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectunsigned char* buf_getstring(buffer* buf, unsigned int *retlen); 58f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectvoid buf_eatstring(buffer *buf); 59f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectvoid buf_putint(buffer* buf, unsigned int val); 60f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectvoid buf_putstring(buffer* buf, const unsigned char* str, unsigned int len); 61f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectvoid buf_putbytes(buffer *buf, const unsigned char *bytes, unsigned int len); 62f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectvoid buf_putmpint(buffer* buf, mp_int * mp); 63f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectint buf_getmpint(buffer* buf, mp_int* mp); 64f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectunsigned int buf_getint(buffer* buf); 65f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 66f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#endif /* _BUFFER_H_ */ 67