allocWithOptionsRetAddr
Function parameters
Parameters
Type definitions in this namespace
Types
Functions in this namespace
Functions
- rawAlloc
- This function is not intended to be called except from within the
- rawResize
- This function is not intended to be called except from within the
- rawRemap
- This function is not intended to be called except from within the
- rawFree
- This function is not intended to be called except from within the
- create
- Returns a pointer to undefined memory.
- destroy
- `ptr` should be the return value of `create`, or otherwise
- alloc
- Allocates an array of `n` items of type `T` and sets all the
- allocSentinel
- Allocates an array of `n + 1` items of type `T` and sets the first `n`
- resize
- Request to modify the size of an allocation.
- remap
- Request to modify the size of an allocation, allowing relocation.
- realloc
- This function requests a new size for an existing allocation, which
- free
- Free an array allocated with `alloc`.
- dupe
- Copies `m` to newly allocated memory.
- dupeZ
- Copies `m` to newly allocated memory, with a null-terminated element.
Error sets in this namespace
Error Sets
Source
Implementation
pub fn allocWithOptionsRetAddr(
self: Allocator,
comptime Elem: type,
n: usize,
/// null means naturally aligned
comptime optional_alignment: ?Alignment,
comptime optional_sentinel: ?Elem,
return_address: usize,
) Error!AllocWithOptionsPayload(Elem, optional_alignment, optional_sentinel) {
if (optional_sentinel) |sentinel| {
const ptr = try self.allocAdvancedWithRetAddr(Elem, optional_alignment, n + 1, return_address);
ptr[n] = sentinel;
return ptr[0..n :sentinel];
} else {
return self.allocAdvancedWithRetAddr(Elem, optional_alignment, n, return_address);
}
}