| 1 | /* Copyright (C) 2010-2020 The RetroArch team |
| 2 | * |
| 3 | * --------------------------------------------------------------------------------------- |
| 4 | * The following license statement only applies to this file (vector_list.c). |
| 5 | * --------------------------------------------------------------------------------------- |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, |
| 8 | * to any person obtaining a copy of this software and associated documentation files (the "Software"), |
| 9 | * to deal in the Software without restriction, including without limitation the rights to |
| 10 | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, |
| 11 | * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
| 16 | * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| 19 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #include <boolean.h> |
| 24 | #include <stdlib.h> |
| 25 | #include <stddef.h> |
| 26 | |
| 27 | /* default type is void*, override by defining VECTOR_LIST_TYPE before inclusion */ |
| 28 | #ifndef VECTOR_LIST_TYPE |
| 29 | #define VECTOR_LIST_TYPE void* |
| 30 | #define VECTOR_LIST_TYPE_DEFINED |
| 31 | #endif |
| 32 | |
| 33 | /* default name is void, override by defining VECTOR_LIST_NAME before inclusion */ |
| 34 | #ifndef VECTOR_LIST_NAME |
| 35 | #define VECTOR_LIST_NAME void |
| 36 | #define VECTOR_LIST_NAME_DEFINED |
| 37 | #endif |
| 38 | |
| 39 | #define CAT_I(a,b) a##b |
| 40 | #define CAT(a,b) CAT_I(a, b) |
| 41 | #define MAKE_TYPE_NAME() CAT(VECTOR_LIST_NAME, _vector_list) |
| 42 | #define TYPE_NAME() MAKE_TYPE_NAME() |
| 43 | |
| 44 | struct TYPE_NAME() |
| 45 | { |
| 46 | /* VECTOR_LIST_TYPE for pointers will expand to a pointer-to-pointer */ |
| 47 | VECTOR_LIST_TYPE *data; |
| 48 | unsigned size; |
| 49 | unsigned count; |
| 50 | }; |
| 51 | |
| 52 | static struct TYPE_NAME()* CAT(TYPE_NAME(), _new(void)) |
| 53 | { |
| 54 | struct TYPE_NAME() *list = (struct TYPE_NAME()*)calloc(1, sizeof(*list)); |
| 55 | |
| 56 | list->size = 8; |
| 57 | list->data = (VECTOR_LIST_TYPE*)calloc(list->size, sizeof(*list->data)); |
| 58 | |
| 59 | return list; |
| 60 | } |
| 61 | |
| 62 | static bool CAT(TYPE_NAME(), _append(struct TYPE_NAME() *list, VECTOR_LIST_TYPE elem)) |
| 63 | { |
| 64 | if (list->size == list->count) |
| 65 | { |
| 66 | list->size *= 2; |
| 67 | list->data = (VECTOR_LIST_TYPE*)realloc(list->data, list->size * sizeof(*list->data)); |
| 68 | |
| 69 | if (!list->data) |
| 70 | return false; |
| 71 | } |
| 72 | |
| 73 | list->data[list->count] = elem; |
| 74 | list->count++; |
| 75 | |
| 76 | return true; |
| 77 | } |
| 78 | |
| 79 | static void CAT(TYPE_NAME(), _free(struct TYPE_NAME() *list)) |
| 80 | { |
| 81 | if (list) |
| 82 | { |
| 83 | if (list->data) |
| 84 | free(list->data); |
| 85 | free(list); |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | #ifdef VECTOR_LIST_TYPE_DEFINED |
| 90 | #undef VECTOR_LIST_TYPE |
| 91 | #endif |
| 92 | |
| 93 | #ifdef VECTOR_LIST_NAME_DEFINED |
| 94 | #undef VECTOR_LIST_NAME |
| 95 | #endif |