| Alexandre Lision | 8af73cb | 2013-12-10 14:11:20 -0500 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| 4 | * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| 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 2 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, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | /* |
| 22 | * THIS FILE IS INCLUDED BY scanner.c. |
| 23 | * DO NOT COMPILE THIS FILE ALONE! |
| 24 | */ |
| 25 | |
| 26 | PJ_DEF(void) pj_cis_buf_init( pj_cis_buf_t *cis_buf) |
| 27 | { |
| 28 | pj_bzero(cis_buf->cis_buf, sizeof(cis_buf->cis_buf)); |
| 29 | cis_buf->use_mask = 0; |
| 30 | } |
| 31 | |
| 32 | PJ_DEF(pj_status_t) pj_cis_init(pj_cis_buf_t *cis_buf, pj_cis_t *cis) |
| 33 | { |
| 34 | unsigned i; |
| 35 | |
| 36 | cis->cis_buf = cis_buf->cis_buf; |
| 37 | |
| 38 | for (i=0; i<PJ_CIS_MAX_INDEX; ++i) { |
| 39 | if ((cis_buf->use_mask & (1 << i)) == 0) { |
| 40 | cis->cis_id = i; |
| 41 | cis_buf->use_mask |= (1 << i); |
| 42 | return PJ_SUCCESS; |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | cis->cis_id = PJ_CIS_MAX_INDEX; |
| 47 | return PJ_ETOOMANY; |
| 48 | } |
| 49 | |
| 50 | PJ_DEF(pj_status_t) pj_cis_dup( pj_cis_t *new_cis, pj_cis_t *existing) |
| 51 | { |
| 52 | pj_status_t status; |
| 53 | unsigned i; |
| 54 | |
| 55 | /* Warning: typecasting here! */ |
| 56 | status = pj_cis_init((pj_cis_buf_t*)existing->cis_buf, new_cis); |
| 57 | if (status != PJ_SUCCESS) |
| 58 | return status; |
| 59 | |
| 60 | for (i=0; i<256; ++i) { |
| 61 | if (PJ_CIS_ISSET(existing, i)) |
| 62 | PJ_CIS_SET(new_cis, i); |
| 63 | else |
| 64 | PJ_CIS_CLR(new_cis, i); |
| 65 | } |
| 66 | |
| 67 | return PJ_SUCCESS; |
| 68 | } |
| 69 | |