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ast_call_check_types should not check more parameters than actually available in both the call and the function type - fixes a crash introduced by this on variadic functions

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Wolfgang (Blub) Bumiller 2012-10-29 14:35:50 +01:00
parent 6126db10df
commit bd739528ad
1 changed files with 5 additions and 2 deletions
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5
ast.c
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@ -675,8 +675,11 @@ bool ast_call_check_types(ast_call *self)
size_t i;
bool retval = true;
const ast_expression *func = self->func;
size_t count = self->params_count;
if (count > func->expression.params_count)
count = func->expression.params_count;
for (i = 0; i < self->params_count; ++i) {
for (i = 0; i < count; ++i) {
if (!ast_compare_type(self->params[i], (ast_expression*)(func->expression.params[i]))) {
asterror(ast_ctx(self), "invalid type for parameter %u in function call",
(unsigned int)(i+1));