62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/* - | Copyright | ------------------------------------------------------------
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Copyright (c) 2026 Randy Jordan
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do
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so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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* --------------------------------------------------------------------------*/
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#ifndef CI2_ARENA_H
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#define CI2_ARENA_H
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#include <stddef.h>
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struct CI2_Arena
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{
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char* beg;
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char* end;
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};
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typedef struct CI2_Arena CI2_Arena;
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/* Initialize an Arena with an existing buffer */
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extern void
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ci2_arena_back(struct CI2_Arena* a, char* buf, ptrdiff_t len);
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/* Allocate a new Arena */
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extern struct CI2_Arena
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ci2_arena_new(ptrdiff_t cap);
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/* Get the current capacity of an Arena */
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extern ptrdiff_t
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ci2_arena_capacity(struct CI2_Arena a);
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/* Make an allocation from an Arena and do not zero.*/
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extern void*
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ci2_arena_malloc(struct CI2_Arena* a,
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ptrdiff_t size,
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ptrdiff_t align,
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ptrdiff_t count);
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/* Make an allocation from an Arena and zero.*/
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extern void*
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ci2_arena_calloc(struct CI2_Arena* a,
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ptrdiff_t size,
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ptrdiff_t align,
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ptrdiff_t count);
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#endif // ci2_arena.h
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