Function ccall

js/sql-debug.js:501–522

(ident, returnType, argTypes, args, opts)

// C calling interface.
function ccall (ident, returnType, argTypes, args, opts) {
  var func = getCFunc(ident);
  var cArgs = [];
  var stack = 0;
  if (args) {
    for (var i = 0; i < args.length; i++) {
      var converter = toC[argTypes[i]];
      if (converter) {
        if (stack === 0) stack = stackSave();
        cArgs[i] = converter(args[i]);
      } else {
        cArgs[i] = args[i];
      }
    }
  }
  var ret = func.apply(null, cArgs);
  if (returnType === 'string') ret = Pointer_stringify(ret);
  if (stack !== 0) {
    stackRestore(stack);
  }
  return ret;
}

function cwrap (ident, returnType, argTypes) {
  argTypes = argTypes || [];