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Add bounds check for peeks

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This commit is contained in:
Colin Davidson
2022-08-29 02:03:12 -07:00
parent 83c002c197
commit 7a6fc3a93b
1 changed files with 4 additions and 2 deletions
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core/container/queue/queue.odin
+4 -2
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@@ -99,12 +99,14 @@ get_ptr :: proc(q: ^$Q/Queue($T), #any_int i: int, loc := #caller_location) -> ^
return &q.data[idx]
}
peek_front :: proc(q: ^$Q/Queue($T)) -> ^T {
peek_front :: proc(q: ^$Q/Queue($T), loc := #caller_location) -> ^T {
runtime.bounds_check_error_loc(loc, 0, builtin.len(q.data))
idx := q.offset%builtin.len(q.data)
return &q.data[idx]
}
peek_back :: proc(q: ^$Q/Queue($T)) -> ^T {
peek_back :: proc(q: ^$Q/Queue($T), loc := #caller_location) -> ^T {
runtime.bounds_check_error_loc(loc, int(q.len - 1), builtin.len(q.data))
idx := (uint(q.len - 1)+q.offset)%builtin.len(q.data)
return &q.data[idx]
}