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- Crash when creating $Type* where $Type is an optional type #2848

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- Crashes when using `io::EOF~!` in various unhandled places. #2848
This commit is contained in:
Christoffer Lerno
2026-01-27 13:32:08 +01:00
parent 3e76b7ff1c
commit 4fbb42833e
13 changed files with 365 additions and 26 deletions
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19
lib/std/core/mem.c3
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@@ -838,6 +838,7 @@ macro new_aligned($Type, #init = ...) @nodiscard @safemacro
<*
@param $Type : "The type to allocate"
@require $Type.kindof != OPTIONAL : "Expected a non-optional type"
@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 $Type"
*>
@@ -850,7 +851,8 @@ macro alloc($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"
@require $Type.kindof != OPTIONAL : "Expected a non-optional type"
@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
@@ -864,6 +866,7 @@ macro alloc_with_padding($Type, usz padding) @nodiscard
exceeding DEFAULT_MEM_ALIGNMENT. IMPORTANT! It must be freed using free_aligned.
@param $Type : "The type to allocate"
@require $Type.kindof != OPTIONAL : "Expected a non-optional type"
@return "A pointer to uninitialized data for the type $Type with the proper alignment"
*>
macro alloc_aligned($Type) @nodiscard
@@ -875,6 +878,7 @@ macro alloc_aligned($Type) @nodiscard
@param $Type : "The type to allocate"
@param #init : "The optional initializer"
@require $Type.kindof != OPTIONAL : "Expected a non-optional type"
@require !$defined(#init) ||| $defined($Type a = #init) : "#init must be an initializer for the type"
@return "A pointer to temporary data of type $Type."
*>
@@ -894,6 +898,7 @@ macro tnew($Type, #init = ...) @nodiscard @safemacro
@param padding : "The padding to add after the allocation"
@param #init : "The optional initializer"
@require $Type.kindof != OPTIONAL : "Expected a non-optional type"
@require !$defined(#init) ||| $defined($Type a = #init) : "#init must be an initializer for the type"
@return "A pointer to temporary data of type $Type with added padding at the end."
*>
@@ -908,17 +913,24 @@ macro temp_with_padding($Type, usz padding, #init = ...) @nodiscard @safemacro
$endif
}
<*
@require $Type.kindof != OPTIONAL : "Expected a non-optional type"
*>
macro talloc($Type) @nodiscard
{
return tmalloc($Type.sizeof, $Type.alignof);
}
<*
@require $Type.kindof != OPTIONAL : "Expected a non-optional type"
*>
macro talloc_with_padding($Type, usz padding) @nodiscard
{
return tmalloc($Type.sizeof + padding, $Type.alignof);
}
<*
@require $Type.kindof != OPTIONAL : "Expected a non-optional type"
@require $Type.alignof <= DEFAULT_MEM_ALIGNMENT : "Types with alignment exceeding the default must use 'new_array_aligned' instead"
*>
macro new_array($Type, usz elements) @nodiscard
@@ -929,6 +941,8 @@ macro new_array($Type, usz elements) @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.
@require $Type.kindof != OPTIONAL : "Expected a non-optional type"
*>
macro new_array_aligned($Type, usz elements) @nodiscard
{
@@ -936,6 +950,7 @@ macro new_array_aligned($Type, usz elements) @nodiscard
}
<*
@require $Type.kindof != OPTIONAL : "Expected a non-optional type"
@require $Type.alignof <= DEFAULT_MEM_ALIGNMENT : "Types with alignment exceeding the default must use 'alloc_array_aligned' instead"
*>
macro alloc_array($Type, usz elements) @nodiscard
@@ -946,6 +961,8 @@ macro alloc_array($Type, usz elements) @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.
@require $Type.kindof != OPTIONAL : "Expected a non-optional type"
*>
macro alloc_array_aligned($Type, usz elements) @nodiscard
{