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Add more comments to mem functions.

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Christoffer Lerno
2025-08-28 18:23:01 +02:00
parent c339278ff7
commit 8f3cb9c6e9
1 changed files with 36 additions and 2 deletions
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38
lib/std/core/mem.c3
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@@ -20,6 +20,9 @@ macro bool @constant_is_power_of_2($x) @const @private
return $x != 0 && ($x & ($x - 1)) == 0;
}
<*
@return "The os page size."
*>
fn usz os_pagesize()
{
$switch:
@@ -238,6 +241,9 @@ macro @volatile_store(#x, value) @builtin
return $$volatile_store(&#x, ($typeof(#x))value);
}
<*
All possible atomic orderings
*>
enum AtomicOrdering : int
{
NOT_ATOMIC, // Not atomic
@@ -739,9 +745,12 @@ fn void* tmalloc(usz size, usz alignment = 0) @builtin @inline @nodiscard
}
<*
@param $Type : "The type to allocate"
@require $vacount < 2 : "Too many arguments."
@require $vacount == 0 ||| $defined($Type a = $vaexpr[0]) : "The second argument must be an initializer for the type"
@require $Type.alignof <= DEFAULT_MEM_ALIGNMENT : "Types with alignment exceeding the default must use 'alloc_aligned' instead"
@return "A pointer to data of type $Type."
*>
macro new($Type, ...) @nodiscard
{
@@ -755,9 +764,12 @@ macro new($Type, ...) @nodiscard
}
<*
@param $Type : "The type to allocate"
@param padding : "The padding to add after the allocation"
@require $vacount < 2 : "Too many arguments."
@require $vacount == 0 ||| $defined($Type a = $vaexpr[0]) : "The second argument must be an initializer for the type"
@require $Type.alignof <= DEFAULT_MEM_ALIGNMENT : "Types with alignment exceeding the default must use 'alloc_aligned' instead"
@return "A pointer to data of type $Type."
*>
macro new_with_padding($Type, usz padding, ...) @nodiscard
{
@@ -773,8 +785,12 @@ macro new_with_padding($Type, usz padding, ...) @nodiscard
<*
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.
@param $Type : "The type to allocate"
@require $vacount < 2 : "Too many arguments."
@require $vacount == 0 ||| $defined($Type a = $vaexpr[0]) : "The second argument must be an initializer for the type"
@return "A pointer to data of type $Type with the proper alignment"
*>
macro new_aligned($Type, ...) @nodiscard
{
@@ -788,7 +804,10 @@ macro new_aligned($Type, ...) @nodiscard
}
<*
@param $Type : "The type to allocate"
@require $Type.alignof <= DEFAULT_MEM_ALIGNMENT : "Types with alignment exceeding the default must use 'alloc_aligned' instead"
@return "A pointer to uninitialized data for the type $Type"
*>
macro alloc($Type) @nodiscard
{
@@ -796,7 +815,11 @@ macro alloc($Type) @nodiscard
}
<*
@param $Type : "The type to allocate"
@param padding : "The padding to add after the allocation"
@require $Type.alignof <= DEFAULT_MEM_ALIGNMENT : "Types with alignment exceeding the default must use 'alloc_aligned' instead"
@return "A pointer to uninitialized data for the type $Type"
*>
macro alloc_with_padding($Type, usz padding) @nodiscard
{
@@ -804,8 +827,12 @@ macro alloc_with_padding($Type, usz padding) @nodiscard
}
<*
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.
@param $Type : "The type to allocate"
@return "A pointer to uninitialized data for the type $Type with the proper alignment"
*>
macro alloc_aligned($Type) @nodiscard
{
@@ -813,8 +840,11 @@ macro alloc_aligned($Type) @nodiscard
}
<*
@param $Type : "The type to allocate"
@require $vacount < 2 : "Too many arguments."
@require $vacount == 0 ||| $defined($Type a = $vaexpr[0]) : "The second argument must be an initializer for the type"
@return "A pointer to temporary data of type $Type."
*>
macro tnew($Type, ...) @nodiscard
{
@@ -828,8 +858,12 @@ macro tnew($Type, ...) @nodiscard
}
<*
@require $vacount < 2 : "Too many arguments."
@param $Type : "The type to allocate"
@param padding : "The padding to add after the allocation"
@require $vacount < 2 : "Too many arguments."
@require $vacount == 0 ||| $defined($Type a = $vaexpr[0]) : "The second argument must be an initializer for the type"
@return "A pointer to temporary data of type $Type with added padding at the end."
*>
macro temp_with_padding($Type, usz padding, ...) @nodiscard
{