diff options
Diffstat (limited to 'src/evaluate.c')
| -rw-r--r-- | src/evaluate.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/evaluate.c b/src/evaluate.c index ccee7e21..030bbde4 100644 --- a/src/evaluate.c +++ b/src/evaluate.c @@ -1958,6 +1958,14 @@ static int expr_evaluate_relational(struct eval_ctx *ctx, struct expr **expr) /* fall through */ case OP_NEQ: + case OP_NEG: + if (rel->op == OP_NEG && + (right->etype != EXPR_VALUE || + right->dtype->basetype == NULL || + right->dtype->basetype->type != TYPE_BITMASK)) + return expr_binary_error(ctx->msgs, left, right, + "negation can only be used with singleton bitmask values"); + switch (right->etype) { case EXPR_RANGE: if (byteorder_conversion(ctx, &rel->left, BYTEORDER_BIG_ENDIAN) < 0) |