15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* 7zBuf.c -- Byte Buffer 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)2008-03-28 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Igor Pavlov 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Public domain */ 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "7zBuf.h" 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void Buf_Init(CBuf *p) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->data = 0; 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->size = 0; 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int Buf_Create(CBuf *p, size_t size, ISzAlloc *alloc) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->size = 0; 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (size == 0) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->data = 0; 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 1; 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->data = (Byte *)alloc->Alloc(alloc, size); 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (p->data != 0) 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->size = size; 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 1; 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void Buf_Free(CBuf *p, ISzAlloc *alloc) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) alloc->Free(alloc, p->data); 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->data = 0; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->size = 0; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 37