| 1 | /* $Id: kRdrInternal.h 3611 2007-10-29 03:37:27Z bird $ */ | 
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| 2 | /** @file | 
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| 3 | * kRdr - Internal Header. | 
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| 4 | */ | 
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| 5 |  | 
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| 6 | /* | 
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| 7 | * Copyright (c) 2006-2007 knut st. osmundsen <bird-kStuff-spam@anduin.net> | 
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| 8 | * | 
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| 9 | * This file is part of kStuff. | 
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| 10 | * | 
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| 11 | * kStuff is free software; you can redistribute it and/or | 
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| 12 | * modify it under the terms of the GNU Lesser General Public | 
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| 13 | * License as published by the Free Software Foundation; either | 
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| 14 | * version 2.1 of the License, or (at your option) any later version. | 
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| 15 | * | 
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| 16 | * In addition to the permissions in the GNU Lesser General Public | 
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| 17 | * License, you are granted unlimited permission to link the compiled | 
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| 18 | * version of this file into combinations with other programs, and to | 
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| 19 | * distribute those combinations without any restriction coming from | 
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| 20 | * the use of this file. | 
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| 21 | * | 
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| 22 | * kStuff is distributed in the hope that it will be useful, | 
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| 23 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
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| 25 | * Lesser General Public License for more details. | 
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| 26 | * | 
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| 27 | * You should have received a copy of the GNU Lesser General Public | 
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| 28 | * License along with kStuff; if not, write to the Free Software | 
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| 29 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | 
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| 30 | * 02110-1301, USA | 
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| 31 | */ | 
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| 32 |  | 
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| 33 | #ifndef ___kRdrInternal_h___ | 
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| 34 | #define ___kRdrInternal_h___ | 
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| 35 |  | 
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| 36 | #include <k/kHlpAssert.h> | 
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| 37 | #include <k/kMagics.h> | 
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| 38 | #include <k/kRdrAll.h> | 
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| 39 | #include <k/kErrors.h> | 
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| 40 |  | 
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| 41 | #ifdef __cplusplus | 
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| 42 | extern "C" { | 
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| 43 | #endif | 
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| 44 |  | 
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| 45 | /** @defgroup grp_kRdrInternal - Internals | 
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| 46 | * @internal | 
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| 47 | * @addtogroup grp_kRdr | 
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| 48 | * @{ | 
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| 49 | */ | 
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| 50 |  | 
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| 51 | /** @def KRDR_STRICT | 
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| 52 | * If defined the kRdr assertions and other runtime checks will be enabled. */ | 
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| 53 | #ifdef K_ALL_STRICT | 
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| 54 | # undef KRDR_STRICT | 
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| 55 | # define KRDR_STRICT | 
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| 56 | #endif | 
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| 57 |  | 
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| 58 | /** @name Our Assert macros | 
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| 59 | * @{ */ | 
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| 60 | #ifdef KRDR_STRICT | 
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| 61 | # define kRdrAssert(expr)                       kHlpAssert(expr) | 
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| 62 | # define kRdrAssertReturn(expr, rcRet)          kHlpAssertReturn(expr, rcRet) | 
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| 63 | # define kRdrAssertMsg(expr, msg)               kHlpAssertMsg(expr, msg) | 
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| 64 | # define kRdrAssertMsgReturn(expr, msg, rcRet)  kHlpAssertMsgReturn(expr, msg, rcRet) | 
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| 65 | #else   /* !KRDR_STRICT */ | 
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| 66 | # define kRdrAssert(expr)                       do { } while (0) | 
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| 67 | # define kRdrAssertReturn(expr, rcRet)          do { if (!(expr)) return (rcRet); } while (0) | 
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| 68 | # define kRdrAssertMsg(expr, msg)               do { } while (0) | 
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| 69 | # define kRdrAssertMsgReturn(expr, msg, rcRet)  do { if (!(expr)) return (rcRet); } while (0) | 
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| 70 | #endif  /* !KRDR_STRICT */ | 
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| 71 |  | 
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| 72 | #define kRdrAssertPtr(ptr)                      kRdrAssertMsg(K_VALID_PTR(ptr), ("%s = %p\n", #ptr, (ptr))) | 
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| 73 | #define kRdrAssertPtrReturn(ptr, rcRet)         kRdrAssertMsgReturn(K_VALID_PTR(ptr), ("%s = %p -> %d\n", #ptr, (ptr), (rcRet)), (rcRet)) | 
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| 74 | #define kRdrAssertPtrNull(ptr)                  kRdrAssertMsg(!(ptr) || K_VALID_PTR(ptr), ("%s = %p\n", #ptr, (ptr))) | 
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| 75 | #define kRdrAssertPtrNullReturn(ptr, rcRet)     kRdrAssertMsgReturn(!(ptr) || K_VALID_PTR(ptr), ("%s = %p -> %d\n", #ptr, (ptr), (rcRet)), (rcRet)) | 
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| 76 | #define kRdrAssertRC(rc)                        kRdrAssertMsg((rc) == 0, ("%s = %d\n", #rc, (rc))) | 
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| 77 | #define kRdrAssertRCReturn(rc, rcRet)           kRdrAssertMsgReturn((rc) == 0, ("%s = %d -> %d\n", #rc, (rc), (rcRet)), (rcRet)) | 
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| 78 | #define kRdrAssertFailed()                      kRdrAssert(0) | 
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| 79 | #define kRdrAssertFailedReturn(rcRet)           kRdrAssertReturn(0, (rcRet)) | 
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| 80 | #define kRdrAssertMsgFailed(msg)                kRdrAssertMsg(0, msg) | 
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| 81 | #define kRdrAssertMsgFailedReturn(msg, rcRet)   kRdrAssertMsgReturn(0, msg, (rcRet)) | 
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| 82 | /** @} */ | 
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| 83 |  | 
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| 84 | /** Return / crash validation of a reader argument. */ | 
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| 85 | #define KRDR_VALIDATE_EX(pRdr, rc) \ | 
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| 86 | do  { \ | 
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| 87 | if (    (pRdr)->u32Magic != KRDR_MAGIC \ | 
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| 88 | ||  (pRdr)->pOps == NULL \ | 
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| 89 | )\ | 
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| 90 | { \ | 
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| 91 | return (rc); \ | 
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| 92 | } \ | 
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| 93 | } while (0) | 
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| 94 |  | 
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| 95 | /** Return / crash validation of a reader argument. */ | 
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| 96 | #define KRDR_VALIDATE(pRdr) \ | 
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| 97 | KRDR_VALIDATE_EX(pRdr, KERR_INVALID_PARAMETER) | 
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| 98 |  | 
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| 99 | /** Return / crash validation of a reader argument. */ | 
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| 100 | #define KRDR_VALIDATE_VOID(pRdr) \ | 
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| 101 | do  { \ | 
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| 102 | if (    !K_VALID_PTR(pRdr) \ | 
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| 103 | ||  (pRdr)->u32Magic != KRDR_MAGIC \ | 
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| 104 | ||  (pRdr)->pOps == NULL \ | 
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| 105 | )\ | 
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| 106 | { \ | 
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| 107 | return; \ | 
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| 108 | } \ | 
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| 109 | } while (0) | 
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| 110 |  | 
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| 111 |  | 
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| 112 | /** @name Built-in Providers | 
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| 113 | * @{ */ | 
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| 114 | extern const KRDROPS g_kRdrFileOps; | 
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| 115 | /** @} */ | 
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| 116 |  | 
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| 117 | /** @} */ | 
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| 118 |  | 
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| 119 | #ifdef __cplusplus | 
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| 120 | } | 
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| 121 | #endif | 
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| 122 |  | 
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| 123 | #endif | 
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| 124 |  | 
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