fd_t: Update internal length if resize succeeds

Fixes #65
bad-alloc-heavy-industries · Jun 5, 2023 · c410e00 · c410e00
1 parent 80ad63f
commit c410e00
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/substrate/fd b/substrate/fd
@@ -126,7 +126,13 @@ namespace substrate
 		}
 
 		SUBSTRATE_NO_DISCARD(inline bool resize(const off_t newSize) const noexcept)
-			{ return internal::fdtruncate(fd, newSize) == 0; }
+		{
+			if (internal::fdtruncate(fd, newSize) != 0)
+				return false;
+
+			_length = newSize;
+			return true;
+		}
 
 		SUBSTRATE_NO_DISCARD(inline mmap_t map(const int32_t prot, const int flags = MAP_SHARED) noexcept)
 		{