1 /* 2 * cook - file construction tool 3 * Copyright (C) 1999, 2006, 2007 Peter Miller; 4 * All rights reserved. 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 3 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program. If not, see 18 * <http://www.gnu.org/licenses/>. 19 */ 20 21 #include <common/input/private.h> 22 #include <common/mem.h> 23 24 25 input_ty * input_new(input_vtbl_ty * vptr)26input_new(input_vtbl_ty *vptr) 27 { 28 input_ty *result; 29 30 result = mem_alloc(vptr->size); 31 result->vptr = vptr; 32 result->pushback_buf = 0; 33 result->pushback_len = 0; 34 result->pushback_max = 0; 35 return result; 36 } 37 38 39 long input_generic_read(input_ty * fp,void * data_v,long len)40input_generic_read(input_ty *fp, void *data_v, long len) 41 { 42 char *data; 43 long result; 44 int c; 45 46 data = data_v; 47 for (result = 0; result < len; ++result) 48 { 49 c = fp->vptr->get(fp); 50 if (c < 0) 51 break; 52 *data++ = c; 53 } 54 return result; 55 } 56