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Remove all the occurences of VLAs

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There's generally no strict reason for using them, and they are somewhat
fishy, so let's avoid them.
This commit is contained in:
Théophane Hufschmitt 2022-11-18 13:02:06 +01:00 • committed by Robert Hensing
parent 5196613e82
commit ba3cb4a049
3 changed files with 14 additions and 17 deletions
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13
src/libexpr/eval.cc
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@ -41,6 +41,7 @@
#include <boost/coroutine2/coroutine.hpp>
#include <boost/coroutine2/protected_fixedsize_stack.hpp>
#include <boost/context/stack_context.hpp>
#include <boost/container/small_vector.hpp>
#endif
@ -1691,7 +1692,8 @@ void EvalState::callFunction(Value & fun, size_t nrArgs, Value * * args, Value &
/* We have all the arguments, so call the primop with
the previous and new arguments. */
Value * vArgs[arity];
assert(arity < 64);
Value * vArgs[64];
auto n = argsDone;
for (Value * arg = &vCur; arg->isPrimOpApp(); arg = arg->primOpApp.left)
vArgs[--n] = arg->primOpApp.right;
@ -1748,11 +1750,12 @@ void ExprCall::eval(EvalState & state, Env & env, Value & v)
Value vFun;
fun->eval(state, env, vFun);
Value * vArgs[args.size()];
boost::container::small_vector<Value *, 64> vArgs(args.size());
for (size_t i = 0; i < args.size(); ++i)
vArgs[i] = args[i]->maybeThunk(state, env);
state.callFunction(vFun, args.size(), vArgs, v, pos);
state.callFunction(vFun, args.size(), vArgs.data(), v, pos);
}
@ -1991,8 +1994,8 @@ void ExprConcatStrings::eval(EvalState & state, Env & env, Value & v)
return result;
};
Value values[es->size()];
Value * vTmpP = values;
boost::container::small_vector<Value, 64> values(es->size());
Value * vTmpP = values.data();
for (auto & [i_pos, i] : *es) {
Value & vTmp = *vTmpP++;