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Wrap intrinsics.overflow_add to safe_add

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gingerBill
2022-10-15 12:52:07 +01:00
parent 7662808bc9
commit ff51c5ee56
3 changed files with 10 additions and 48 deletions
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core/mem/virtual/arena.odin
+1 -5
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@@ -1,7 +1,6 @@
package mem_virtual
import "core:mem"
import "core:intrinsics"
Arena_Kind :: enum uint {
Growing = 0, // chained memory blocks (singly linked list)
@@ -57,7 +56,7 @@ arena_alloc :: proc(arena: ^Arena, size: uint, alignment: uint, loc := #caller_l
switch arena.kind {
case .Growing:
if arena.curr_block == nil || (intrinsics.overflow_add(arena.curr_block.used, size) or_else 0) > arena.curr_block.reserved {
if arena.curr_block == nil || (safe_add(arena.curr_block.used, size) or_else 0) > arena.curr_block.reserved {
size = mem.align_forward_uint(size, alignment)
if arena.minimum_block_size == 0 {
arena.minimum_block_size = DEFAULT_ARENA_GROWING_MINIMUM_BLOCK_SIZE
@@ -299,6 +298,3 @@ arena_temp_end :: proc(temp: Arena_Temp, loc := #caller_location) {
arena_check_temp :: proc(arena: ^Arena, loc := #caller_location) {
assert(arena.temp_count == 0, "Arena_Temp not been ended", loc)
}