1 /////////////////////////////////////////////////////////////////////////////// 2 // BSD 3-Clause License 3 // 4 // Copyright (c) 2019, Nefelus Inc 5 // All rights reserved. 6 // 7 // Redistribution and use in source and binary forms, with or without 8 // modification, are permitted provided that the following conditions are met: 9 // 10 // * Redistributions of source code must retain the above copyright notice, this 11 // list of conditions and the following disclaimer. 12 // 13 // * Redistributions in binary form must reproduce the above copyright notice, 14 // this list of conditions and the following disclaimer in the documentation 15 // and/or other materials provided with the distribution. 16 // 17 // * Neither the name of the copyright holder nor the names of its 18 // contributors may be used to endorse or promote products derived from 19 // this software without specific prior written permission. 20 // 21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 22 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 25 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 // POSSIBILITY OF SUCH DAMAGE. 32 33 #pragma once 34 35 #include "odb.h" 36 37 #ifdef __GNUC__ 38 #define ADS_FORMAT_PRINTF(F, A) __attribute__((format(printf, F, A))) 39 #else 40 #define ADS_FORMAT_PRINTF(F, A) 41 #endif 42 43 namespace odb { 44 45 ///////////////////////////////// 46 // Base exception class 47 ///////////////////////////////// 48 class ZException 49 { 50 public: 51 const char* _msg; 52 bool _free_msg; 53 54 ZException(); 55 ZException(const char* fmt, ...) ADS_FORMAT_PRINTF(2, 3); 56 ZException(const ZException& ex); 57 ~ZException(); 58 }; 59 60 class ZOutOfMemory : public ZException 61 { 62 public: ZOutOfMemory()63 ZOutOfMemory() 64 { 65 _free_msg = false; 66 _msg = "Out of memory"; 67 } 68 }; 69 70 class ZIOError : public ZException 71 { 72 public: 73 ZIOError(int err); 74 ZIOError(int err, const char* msg); 75 }; 76 77 class ZAssert : public ZException 78 { 79 public: 80 ZAssert(const char* expr, const char* file, int line); 81 }; 82 83 // See http://cnicholson.net/2009/02/stupid-c-tricks-adventures-in-assert 84 // Avoids unused variable warnings. 85 #ifdef NDEBUG 86 #define ZASSERT(x) \ 87 do { \ 88 (void) sizeof(x); \ 89 } while (0) 90 #else 91 #define ZASSERT(x) assert(x) 92 #endif 93 94 #define ZALLOCATED(expr) \ 95 do { \ 96 if ((expr) == NULL) \ 97 throw ZOutOfMemory(); \ 98 } while (0); 99 100 } // namespace odb 101