Mercurial > dropbear
view buffer.h @ 1838:60cd5cdb165c
Update .hgignore and .gitignore with tests
author | Matt Johnston <matt@codeconstruct.com.au> |
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date | Mon, 18 Oct 2021 14:26:59 +0800 |
parents | 064f5be2fc45 |
children | 8b4274d34fe8 |
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/* * Dropbear - a SSH2 server * * Copyright (c) 2002,2003 Matt Johnston * All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef DROPBEAR_BUFFER_H_ #define DROPBEAR_BUFFER_H_ #include "includes.h" struct buf { /* don't manipulate data member outside of buffer.c - it is a pointer into the malloc holding buffer itself */ unsigned char * data; unsigned int len; /* the used size */ unsigned int pos; unsigned int size; /* the memory size */ }; typedef struct buf buffer; buffer * buf_new(unsigned int size); /* Possibly returns a new buffer*, like realloc() */ buffer * buf_resize(buffer *buf, unsigned int newsize); void buf_free(buffer* buf); void buf_burn(const buffer* buf); buffer* buf_newcopy(const buffer* buf); void buf_setlen(buffer* buf, unsigned int len); void buf_incrlen(buffer* buf, unsigned int incr); void buf_setpos(buffer* buf, unsigned int pos); void buf_incrpos(buffer* buf, unsigned int incr); void buf_decrpos(buffer* buf, unsigned int decr); void buf_incrwritepos(buffer* buf, unsigned int incr); unsigned char buf_getbyte(buffer* buf); unsigned char buf_getbool(buffer* buf); void buf_putbyte(buffer* buf, unsigned char val); unsigned char* buf_getptr(const buffer* buf, unsigned int len); unsigned char* buf_getwriteptr(const buffer* buf, unsigned int len); char* buf_getstring(buffer* buf, unsigned int *retlen); buffer * buf_getstringbuf(buffer *buf); buffer * buf_getbuf(buffer *buf); void buf_eatstring(buffer *buf); void buf_putint(buffer* buf, unsigned int val); void buf_putstring(buffer* buf, const char* str, unsigned int len); void buf_putbufstring(buffer *buf, const buffer* buf_str); void buf_putbytes(buffer *buf, const unsigned char *bytes, unsigned int len); void buf_putmpint(buffer* buf, mp_int * mp); int buf_getmpint(buffer* buf, mp_int* mp); unsigned int buf_getint(buffer* buf); #endif /* DROPBEAR_BUFFER_H_ */