shishantbiswas/c3c
1
1
Fork 0
mirror of https://github.com/c3lang/c3c.git synced 2026-02-27 03:51:18 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add mem_allocator realloc_array Macros (#2760)

Browse Source 
* Add mem_allocator `realloc_array` Macros

* test, ensure `realloc_array` to 0 size returns `null`

* update release notes

---------

Co-authored-by: Christoffer Lerno <christoffer@aegik.com>
This commit is contained in:
Zack Puhl
2026-01-25 10:12:44 -05:00
committed by GitHub
parent 6cffb888ea
commit 75d454b6a6
3 changed files with 33 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
lib/std/core/mem_allocator.c3
View File

@@ -304,6 +304,31 @@ macro alloc_array_try(Allocator allocator, $Type, usz elements) @nodiscard
return (($Type*)malloc_try(allocator, $Type.sizeof * elements))[:elements];
}
<*
@require $Type.alignof <= mem::DEFAULT_MEM_ALIGNMENT : "Types with alignment exceeding the default must use 'alloc_array_aligned' instead"
*>
macro realloc_array(Allocator allocator, void* ptr, $Type, usz elements) @nodiscard
{
return realloc_array_try(allocator, ptr, $Type, elements)!!;
}
<*
Allocate using an aligned allocation. This is necessary for types with a default memory alignment
exceeding DEFAULT_MEM_ALIGNMENT. IMPORTANT! It must be freed using free_aligned.
*>
macro realloc_array_aligned(Allocator allocator, void* ptr, $Type, usz elements) @nodiscard
{
return (($Type*)realloc_aligned(allocator, ptr, $Type.sizeof * elements, $Type.alignof))[:elements]!!;
}
<*
@require $Type.alignof <= mem::DEFAULT_MEM_ALIGNMENT : "Types with alignment exceeding the default must use 'alloc_array_aligned' instead"
*>
macro realloc_array_try(Allocator allocator, void* ptr, $Type, usz elements) @nodiscard
{
return (($Type*)realloc_try(allocator, ptr, $Type.sizeof * elements))[:elements];
}
<*
Clone a value.