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Ivar Fatland
2025-10-11 03:43:53 +02:00
parent c240443828
commit ffbc42f558
1 changed files with 6 additions and 2 deletions
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cig.h
+6 -2
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@@ -90,8 +90,12 @@ allocator_t borrow_allocator_interface(borrow_allocator_t *this);
// use a variable that won't collide with yours inside macros.
#define UNIQUE __macro_internal_34bba35b8b9b20a75f9881e3795630e25d36e620d9c9741e2e9141ba82ec6ef6__
// Using the return a keyword in the statement following this macro will cause
// a guaranteed memory leak.
// Can be used to mimic rust borrow semantics. with_borrow(foos_allocator) {
// foo(foos_allocator); }. If a function should return ownership assume that
// my_allocator was passed in by an outer function void *bar;
// with_borrow(foos_allocator) {bar = foo(foos_allocator, my_allocator); } Using
// the return a keyword in the statement following this macro will cause a
// guaranteed memory leak.
#define with_borrow(NAME) \
for (allocator_t NAME = borrow_allocator_interface(&borrow_allocator_create()); !((borrow_allocator_t*)NAME.this)->head; ((borrow_allocator_t*)NAME.this)->head = (borrow_allocator_reset(((borrow_allocator_t*)NAME.this)), (linked_allocation_node_t*) 1)) \
for (int UNIQUE = 0; UNIQUE < 1; UNIQUE++)