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|---|---|---|---|
| 1 | /* GATE PROJECT LICENSE: | ||
| 2 | +----------------------------------------------------------------------------+ | ||
| 3 | | Copyright(c) 2018-2025, Stefan Meislinger <sm@opengate.at> | | ||
| 4 | | All rights reserved. | | ||
| 5 | | | | ||
| 6 | | Redistribution and use in source and binary forms, with or without | | ||
| 7 | | modification, are permitted provided that the following conditions are met:| | ||
| 8 | | | | ||
| 9 | | 1. Redistributions of source code must retain the above copyright notice, | | ||
| 10 | | this list of conditions and the following disclaimer. | | ||
| 11 | | 2. Redistributions in binary form must reproduce the above copyright | | ||
| 12 | | notice, this list of conditions and the following disclaimer in the | | ||
| 13 | | documentation and/or other materials provided with the distribution. | | ||
| 14 | | | | ||
| 15 | | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"| | ||
| 16 | | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | | ||
| 17 | | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | | ||
| 18 | | ARE DISCLAIMED.IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | | ||
| 19 | | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | | ||
| 20 | | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | | ||
| 21 | | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | | ||
| 22 | | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | | ||
| 23 | | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | | ||
| 24 | | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | | ||
| 25 | | THE POSSIBILITY OF SUCH DAMAGE. | | ||
| 26 | +----------------------------------------------------------------------------+ | ||
| 27 | */ | ||
| 28 | |||
| 29 | #include "gate/handles.h" | ||
| 30 | |||
| 31 | 30 | void* gate_handlestore_create(gate_handlestore_t* store, gate_size_t handlesize) | |
| 32 | { | ||
| 33 |
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30 | if (!store) |
| 34 | { | ||
| 35 | ✗ | return NULL; | |
| 36 | } | ||
| 37 | 30 | gate_mem_clear(store, sizeof(gate_handlestore_t)); | |
| 38 | |||
| 39 |
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30 | if (handlesize > sizeof(store->data)) |
| 40 | { | ||
| 41 | /* handle is allocated on heap */ | ||
| 42 | 13 | store->ptr = gate_mem_alloc(handlesize); | |
| 43 | } | ||
| 44 | else | ||
| 45 | { | ||
| 46 | /* handle is embedded */ | ||
| 47 | 17 | store->ptr = (void*)&store->data[0]; | |
| 48 | } | ||
| 49 | 30 | return store->ptr; | |
| 50 | } | ||
| 51 | 26 | void gate_handlestore_destroy(gate_handlestore_t* store) | |
| 52 | { | ||
| 53 |
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26 | if (store->ptr && (store->ptr != (void*)&store->data[0])) |
| 54 | { | ||
| 55 | /* handle on heap -> deallocate */ | ||
| 56 | 13 | gate_mem_dealloc(store->ptr); | |
| 57 | } | ||
| 58 | 26 | gate_mem_clear(store, sizeof(gate_handlestore_t)); | |
| 59 | 26 | } | |
| 60 | 195 | void* gate_handlestore_access(gate_handlestore_t* store) | |
| 61 | { | ||
| 62 | 195 | return store->ptr; | |
| 63 | } | ||
| 64 | |||
| 65 | 4 | void gate_handlestore_move(gate_handlestore_t* target_store, gate_handlestore_t* source_store) | |
| 66 | { | ||
| 67 | 4 | gate_mem_clear(target_store, sizeof(gate_handlestore_t)); | |
| 68 |
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4 | if (source_store) |
| 69 | { | ||
| 70 |
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4 | if (source_store->ptr == (void*)&source_store->data[0]) |
| 71 | { | ||
| 72 | 4 | gate_mem_copy(&target_store->data[0], &source_store->data[0], sizeof(target_store->data)); | |
| 73 | 4 | target_store->ptr = &target_store->data[0]; | |
| 74 | } | ||
| 75 | else | ||
| 76 | { | ||
| 77 | ✗ | target_store->ptr = source_store->ptr; | |
| 78 | } | ||
| 79 | 4 | gate_mem_clear(source_store, sizeof(gate_handlestore_t)); | |
| 80 | } | ||
| 81 | 4 | } | |
| 82 | |||
| 83 |