| | 1 | // |
| | 2 | // "$Id$" |
| | 3 | // |
| | 4 | // Shared data class for the CUPS PPD Compiler. |
| | 5 | // |
| | 6 | // Copyright 2007-2009 by Apple Inc. |
| | 7 | // Copyright 2002-2005 by Easy Software Products. |
| | 8 | // |
| | 9 | // These coded instructions, statements, and computer programs are the |
| | 10 | // property of Apple Inc. and are protected by Federal copyright |
| | 11 | // law. Distribution and use rights are outlined in the file "LICENSE.txt" |
| | 12 | // which should have been included with this file. If this file is |
| | 13 | // file is missing or damaged, see the license at "http://www.cups.org/". |
| | 14 | // |
| | 15 | // Contents: |
| | 16 | // |
| | 17 | // ppdcShared::ppdcShared() - Create shared data. |
| | 18 | // ppdcShared::~ppdcShared() - Destroy shared data. |
| | 19 | // ppdcShared::release() - Decrement the use count and delete as needed. |
| | 20 | // ppdcShared::retain() - Increment the use count for this data. |
| | 21 | // |
| | 22 | |
| | 23 | // |
| | 24 | // Include necessary headers... |
| | 25 | // |
| | 26 | |
| | 27 | #include "ppdc-private.h" |
| | 28 | |
| | 29 | |
| | 30 | // |
| | 31 | // 'ppdcShared::ppdcShared()' - Create shared data. |
| | 32 | // |
| | 33 | |
| | 34 | ppdcShared::ppdcShared() |
| | 35 | { |
| | 36 | use = 1; |
| | 37 | } |
| | 38 | |
| | 39 | |
| | 40 | // |
| | 41 | // 'ppdcShared::~ppdcShared()' - Destroy shared data. |
| | 42 | // |
| | 43 | |
| | 44 | ppdcShared::~ppdcShared() |
| | 45 | { |
| | 46 | } |
| | 47 | |
| | 48 | |
| | 49 | // |
| | 50 | // 'ppdcShared::release()' - Decrement the use count and delete as needed. |
| | 51 | // |
| | 52 | |
| | 53 | void |
| | 54 | ppdcShared::release(void) |
| | 55 | { |
| | 56 | DEBUG_printf(("%s: %p release use=%d", class_name(), this, use)); |
| | 57 | |
| | 58 | use --; |
| | 59 | |
| | 60 | #ifdef DEBUG |
| | 61 | if (use < 0) |
| | 62 | { |
| | 63 | fprintf(stderr, "ERROR: Over-release of %s: %p\n", class_name(), this); |
| | 64 | abort(); |
| | 65 | } |
| | 66 | #endif /* DEBUG */ |
| | 67 | |
| | 68 | if (use == 0) |
| | 69 | delete this; |
| | 70 | } |
| | 71 | |
| | 72 | |
| | 73 | // |
| | 74 | // 'ppdcShared::retain()' - Increment the use count for this data. |
| | 75 | // |
| | 76 | |
| | 77 | void |
| | 78 | ppdcShared::retain() |
| | 79 | { |
| | 80 | use ++; |
| | 81 | |
| | 82 | DEBUG_printf(("%s: %p retain use=%d", class_name(), this, use)); |
| | 83 | } |
| | 84 | |
| | 85 | |
| | 86 | // |
| | 87 | // End of "$Id$". |
| | 88 | // |
projects / thirdparty / cups.git / blame_incremental