vec: add missing out-of-memory check

thestinger · thestinger · commit c9816be35a1b · 2014-11-25T11:19:20.000-05:00
Closes #19305
diff --git a/src/libcollections/vec.rs b/src/libcollections/vec.rs
@@ -165,6 +165,7 @@ impl<T> Vec<T> {
             let size = capacity.checked_mul(mem::size_of::<T>())
                                .expect("capacity overflow");
             let ptr = unsafe { allocate(size, mem::min_align_of::<T>()) };
+            if ptr.is_null() { ::alloc::oom() }
             Vec { ptr: ptr as *mut T, len: 0, cap: capacity }
         }
     }

Original file line number	Diff line number	Diff line change
`@@ -165,6 +165,7 @@ impl<T> Vec<T> {`
`165`	`165`	`let size = capacity.checked_mul(mem::size_of::<T>())`
`166`	`166`	`.expect("capacity overflow");`
`167`	`167`	`let ptr = unsafe { allocate(size, mem::min_align_of::<T>()) };`
	`168`	`+ if ptr.is_null() { ::alloc::oom() }`
`168`	`169`	`Vec { ptr: ptr as *mut T, len: 0, cap: capacity }`
`169`	`170`	`}`
`170`	`171`	`}`