From 53ec5ac69f59ac435b18297a594933e83e236766 Mon Sep 17 00:00:00 2001 From: Eelco Dolstra Date: Wed, 2 May 2018 13:56:34 +0200 Subject: Fix some random -Wconversion warnings --- src/libexpr/attr-set.cc | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'src/libexpr/attr-set.cc') diff --git a/src/libexpr/attr-set.cc b/src/libexpr/attr-set.cc index b284daa3c2f7..0474865c6d7d 100644 --- a/src/libexpr/attr-set.cc +++ b/src/libexpr/attr-set.cc @@ -24,13 +24,15 @@ static void * allocBytes(size_t n) /* Allocate a new array of attributes for an attribute set with a specific capacity. The space is implicitly reserved after the Bindings structure. */ -Bindings * EvalState::allocBindings(Bindings::size_t capacity) +Bindings * EvalState::allocBindings(size_t capacity) { - return new (allocBytes(sizeof(Bindings) + sizeof(Attr) * capacity)) Bindings(capacity); + if (capacity > std::numeric_limits::max()) + throw Error("attribute set of size %d is too big", capacity); + return new (allocBytes(sizeof(Bindings) + sizeof(Attr) * capacity)) Bindings((Bindings::size_t) capacity); } -void EvalState::mkAttrs(Value & v, unsigned int capacity) +void EvalState::mkAttrs(Value & v, size_t capacity) { if (capacity == 0) { v = vEmptySet; -- cgit 1.4.1