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widl: Calculate the size of buffer required.

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- Calculate the size of buffer required.
- Fix a typo.
- Set the buffer start and buffer end markers.
This commit is contained in:
Robert Shearman 2005-12-12 12:12:50 +01:00 committed by Alexandre Julliard
parent fc3821f475
commit dfb716f3d6
1 changed files with 61 additions and 4 deletions
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65
tools/widl/client.c
View file

@ -66,6 +66,60 @@ static int print_client( const char *format, ... )
}
static void print_message_buffer_size(func_t *func)
{
unsigned int total_size = 0;
if (func->args)
{
var_t *var = func->args;
while (NEXT_LINK(var)) var = NEXT_LINK(var);
while (var)
{
unsigned int alignment = 8;
switch (var->type->type)
{
case RPC_FC_BYTE:
case RPC_FC_CHAR:
case RPC_FC_USMALL:
case RPC_FC_SMALL:
total_size += 1;
alignment = 1;
break;
case RPC_FC_WCHAR:
case RPC_FC_USHORT:
case RPC_FC_SHORT:
total_size += 2 + alignment % 2;
alignment = 2;
break;
case RPC_FC_ULONG:
case RPC_FC_LONG:
case RPC_FC_FLOAT:
case RPC_FC_ERROR_STATUS_T:
total_size += 4 + alignment % 4;
alignment = 4;
break;
case RPC_FC_HYPER:
case RPC_FC_DOUBLE:
total_size += 8 + alignment % 8;
alignment = 8;
break;
default:
alignment = 1;
}
var = PREV_LINK(var);
}
}
fprintf(client, " %u", total_size);
}
static void write_function_stubs(type_t *iface)
{
func_t *func = iface->funcs;
@ -130,7 +184,7 @@ static void write_function_stubs(type_t *iface)
/* emit the message buffer size */
print_client("_StubMsg.BufferLength =");
print_client("0"); /* FIXME */
print_message_buffer_size(func);
fprintf(client, ";\n");
print_client("NdrGetBuffer(\n");
@ -138,7 +192,7 @@ static void write_function_stubs(type_t *iface)
print_client("(PMIDL_STUB_MESSAGE)&_StubMsg,\n");
print_client("_StubMsg.BufferLength,\n");
if (implicit_handle)
print_client("%_Handle);\n");
print_client("_Handle);\n");
else
print_client("%s__MIDL_AutoBindHandle);\n", iface->name);
indent--;
@ -150,14 +204,17 @@ static void write_function_stubs(type_t *iface)
/* send/receive message */
/* print_client("NdrNsSendReceive(\n"); */
/* print_client("(unsigned char *)_StubMsg.Buffer,\n"); */
/* print_client("(RPC_BINDING_HANDLE *) &%s__MIDL_AutoBindHandle);\n", iface->name); */
print_client("NdrSendReceive(\n");
indent++;
print_client("(PMIDL_STUB_MESSAGE)&_StubMsg,\n");
print_client("(unsigned char *)_StubMsg.Buffer);\n");
/* print_client("(unsigned char *)_StubMsg.Buffer,\n"); */
/* print_client("(RPC_BINDING_HANDLE *) &%s__MIDL_AutoBindHandle);\n", iface->name); */
indent--;
print_client("_StubMsg.BufferStart = (unsigned char *)_RpcMessage.Buffer;\n");
print_client("_StubMsg.BufferEnd = _StubMsg.BufferStart + _RpcMessage.BufferLength;\n");
/* unmarshal return value */
if (!is_void(def->type, NULL))
{