Ryo Hagimoto
ZBar bar code reader . http://zbar.sourceforge.net/ ZBar is licensed under the GNU LGPL 2.1 to enable development of both open source and commercial projects.
Dependents: GR-PEACH_Camera_in_barcode levkov_ov7670
LICENSE
The ZBar Bar Code Reader is Copyright (C) 2007-2009 Jeff Brown <spadix@users.sourceforge.net> The QR Code reader is Copyright (C) 1999-2009 Timothy B. Terriberry <tterribe@xiph.org>
You can redistribute this library and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
ISAAC is based on the public domain implementation by Robert J. Jenkins Jr., and is itself public domain.
Portions of the bit stream reader are copyright (C) The Xiph.Org Foundation 1994-2008, and are licensed under a BSD-style license.
The Reed-Solomon decoder is derived from an implementation (C) 1991-1995 Henry Minsky (hqm@ua.com, hqm@ai.mit.edu), and is licensed under the LGPL with permission.
zbar/refcnt.h@1:500d42699c34, 2016-04-19 (annotated)
- Committer:
- RyoheiHagimoto
- Date:
- Tue Apr 19 02:19:39 2016 +0000
- Revision:
- 1:500d42699c34
- Parent:
- 0:56c5742b9e2b
Add copying.txt and license.txt
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| RyoheiHagimoto | 0:56c5742b9e2b | 1 | /*------------------------------------------------------------------------ |
| RyoheiHagimoto | 0:56c5742b9e2b | 2 | * Copyright 2007-2009 (c) Jeff Brown <spadix@users.sourceforge.net> |
| RyoheiHagimoto | 0:56c5742b9e2b | 3 | * |
| RyoheiHagimoto | 0:56c5742b9e2b | 4 | * This file is part of the ZBar Bar Code Reader. |
| RyoheiHagimoto | 0:56c5742b9e2b | 5 | * |
| RyoheiHagimoto | 0:56c5742b9e2b | 6 | * The ZBar Bar Code Reader is free software; you can redistribute it |
| RyoheiHagimoto | 0:56c5742b9e2b | 7 | * and/or modify it under the terms of the GNU Lesser Public License as |
| RyoheiHagimoto | 0:56c5742b9e2b | 8 | * published by the Free Software Foundation; either version 2.1 of |
| RyoheiHagimoto | 0:56c5742b9e2b | 9 | * the License, or (at your option) any later version. |
| RyoheiHagimoto | 0:56c5742b9e2b | 10 | * |
| RyoheiHagimoto | 0:56c5742b9e2b | 11 | * The ZBar Bar Code Reader is distributed in the hope that it will be |
| RyoheiHagimoto | 0:56c5742b9e2b | 12 | * useful, but WITHOUT ANY WARRANTY; without even the implied warranty |
| RyoheiHagimoto | 0:56c5742b9e2b | 13 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| RyoheiHagimoto | 0:56c5742b9e2b | 14 | * GNU Lesser Public License for more details. |
| RyoheiHagimoto | 0:56c5742b9e2b | 15 | * |
| RyoheiHagimoto | 0:56c5742b9e2b | 16 | * You should have received a copy of the GNU Lesser Public License |
| RyoheiHagimoto | 0:56c5742b9e2b | 17 | * along with the ZBar Bar Code Reader; if not, write to the Free |
| RyoheiHagimoto | 0:56c5742b9e2b | 18 | * Software Foundation, Inc., 51 Franklin St, Fifth Floor, |
| RyoheiHagimoto | 0:56c5742b9e2b | 19 | * Boston, MA 02110-1301 USA |
| RyoheiHagimoto | 0:56c5742b9e2b | 20 | * |
| RyoheiHagimoto | 0:56c5742b9e2b | 21 | * http://sourceforge.net/projects/zbar |
| RyoheiHagimoto | 0:56c5742b9e2b | 22 | *------------------------------------------------------------------------*/ |
| RyoheiHagimoto | 0:56c5742b9e2b | 23 | #ifndef _REFCNT_H_ |
| RyoheiHagimoto | 0:56c5742b9e2b | 24 | #define _REFCNT_H_ |
| RyoheiHagimoto | 0:56c5742b9e2b | 25 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 26 | #include <config.h> |
| RyoheiHagimoto | 0:56c5742b9e2b | 27 | #include <assert.h> |
| RyoheiHagimoto | 0:56c5742b9e2b | 28 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 29 | #if defined(_WIN32) |
| RyoheiHagimoto | 0:56c5742b9e2b | 30 | # include <windows.h> |
| RyoheiHagimoto | 0:56c5742b9e2b | 31 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 32 | typedef volatile LONG refcnt_t; /* FIXME where did volatile come from? */ |
| RyoheiHagimoto | 0:56c5742b9e2b | 33 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 34 | static inline int _zbar_refcnt (refcnt_t *cnt, |
| RyoheiHagimoto | 0:56c5742b9e2b | 35 | int delta) |
| RyoheiHagimoto | 0:56c5742b9e2b | 36 | { |
| RyoheiHagimoto | 0:56c5742b9e2b | 37 | int rc = -1; |
| RyoheiHagimoto | 0:56c5742b9e2b | 38 | if(delta > 0) |
| RyoheiHagimoto | 0:56c5742b9e2b | 39 | while(delta--) |
| RyoheiHagimoto | 0:56c5742b9e2b | 40 | rc = InterlockedIncrement(cnt); |
| RyoheiHagimoto | 0:56c5742b9e2b | 41 | else if(delta < 0) |
| RyoheiHagimoto | 0:56c5742b9e2b | 42 | while(delta++) |
| RyoheiHagimoto | 0:56c5742b9e2b | 43 | rc = InterlockedDecrement(cnt); |
| RyoheiHagimoto | 0:56c5742b9e2b | 44 | assert(rc >= 0); |
| RyoheiHagimoto | 0:56c5742b9e2b | 45 | return(rc); |
| RyoheiHagimoto | 0:56c5742b9e2b | 46 | } |
| RyoheiHagimoto | 0:56c5742b9e2b | 47 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 48 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 49 | #elif defined(HAVE_LIBPTHREAD) |
| RyoheiHagimoto | 0:56c5742b9e2b | 50 | # include <pthread.h> |
| RyoheiHagimoto | 0:56c5742b9e2b | 51 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 52 | typedef int refcnt_t; |
| RyoheiHagimoto | 0:56c5742b9e2b | 53 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 54 | extern pthread_mutex_t _zbar_reflock; |
| RyoheiHagimoto | 0:56c5742b9e2b | 55 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 56 | static inline int _zbar_refcnt (refcnt_t *cnt, |
| RyoheiHagimoto | 0:56c5742b9e2b | 57 | int delta) |
| RyoheiHagimoto | 0:56c5742b9e2b | 58 | { |
| RyoheiHagimoto | 0:56c5742b9e2b | 59 | pthread_mutex_lock(&_zbar_reflock); |
| RyoheiHagimoto | 0:56c5742b9e2b | 60 | int rc = (*cnt += delta); |
| RyoheiHagimoto | 0:56c5742b9e2b | 61 | pthread_mutex_unlock(&_zbar_reflock); |
| RyoheiHagimoto | 0:56c5742b9e2b | 62 | assert(rc >= 0); |
| RyoheiHagimoto | 0:56c5742b9e2b | 63 | return(rc); |
| RyoheiHagimoto | 0:56c5742b9e2b | 64 | } |
| RyoheiHagimoto | 0:56c5742b9e2b | 65 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 66 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 67 | #else |
| RyoheiHagimoto | 0:56c5742b9e2b | 68 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 69 | typedef int refcnt_t; |
| RyoheiHagimoto | 0:56c5742b9e2b | 70 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 71 | static inline int _zbar_refcnt (refcnt_t *cnt, |
| RyoheiHagimoto | 0:56c5742b9e2b | 72 | int delta) |
| RyoheiHagimoto | 0:56c5742b9e2b | 73 | { |
| RyoheiHagimoto | 0:56c5742b9e2b | 74 | int rc = (*cnt += delta); |
| RyoheiHagimoto | 0:56c5742b9e2b | 75 | assert(rc >= 0); |
| RyoheiHagimoto | 0:56c5742b9e2b | 76 | return(rc); |
| RyoheiHagimoto | 0:56c5742b9e2b | 77 | } |
| RyoheiHagimoto | 0:56c5742b9e2b | 78 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 79 | #endif |
| RyoheiHagimoto | 0:56c5742b9e2b | 80 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 81 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 82 | void _zbar_refcnt_init(void); |
| RyoheiHagimoto | 0:56c5742b9e2b | 83 | |
| RyoheiHagimoto | 0:56c5742b9e2b | 84 | #endif |
| RyoheiHagimoto | 0:56c5742b9e2b | 85 |