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r1671: make [relative] pointers in idl much more generic, treating them just

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like normal pointers in most cases. This means we can now support
relative pointers to unions, builtin types etc, whereas we could only
previously support relative pointers to structures.

metze needs this for the PAC decoding.
This commit is contained in:
Andrew Tridgell
2004-08-09 19:40:24 +00:00
committed by Gerald (Jerry) Carter
parent 74cc2cda92
commit 0d063725e1
2 changed files with 23 additions and 17 deletions
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36
source/build/pidl/parser.pm
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@@ -368,7 +368,7 @@ sub ParseElementPushScalar($$$)
}
if (util::has_property($e, "relative")) {
pidl "\tNDR_CHECK(ndr_push_relative(ndr, NDR_SCALARS, $var_prefix$e->{NAME}, (ndr_push_const_fn_t) ndr_push_$e->{TYPE}));\n";
pidl "\tNDR_CHECK(ndr_push_relative(ndr, NDR_SCALARS, $var_prefix$e->{NAME}));\n";
} elsif (util::is_inline_array($e)) {
ParseArrayPush($e, "r->", "NDR_SCALARS");
} elsif (util::need_wire_pointer($e)) {
@@ -520,14 +520,17 @@ sub ParseElementPullScalar($$$)
start_flags($e);
if (util::has_property($e, "relative")) {
pidl "\tNDR_CHECK(ndr_pull_relative(ndr, (const void **)&$var_prefix$e->{NAME}, sizeof(*$var_prefix$e->{NAME}), (ndr_pull_flags_fn_t)ndr_pull_$e->{TYPE}));\n";
} elsif (util::is_inline_array($e)) {
if (util::is_inline_array($e)) {
ParseArrayPull($e, "r->", "NDR_SCALARS");
} elsif (util::need_wire_pointer($e)) {
pidl "\tNDR_CHECK(ndr_pull_ptr(ndr, &_ptr_$e->{NAME}));\n";
pidl "\tif (_ptr_$e->{NAME}) {\n";
pidl "\t\tNDR_ALLOC(ndr, $var_prefix$e->{NAME});\n";
if (util::has_property($e, "relative")) {
# NOTE: this assumes a pointer can hold a uint32. Not legal C
pidl "\t\t$var_prefix$e->{NAME} = (void *)_ptr_$e->{NAME};\n";
} else {
pidl "\t\tNDR_ALLOC(ndr, $var_prefix$e->{NAME});\n";
}
pidl "\t} else {\n";
pidl "\t\t$var_prefix$e->{NAME} = NULL;\n";
pidl "\t}\n";
@@ -568,11 +571,12 @@ sub ParseElementPushBuffer($$$)
if (util::need_wire_pointer($e)) {
pidl "\tif ($var_prefix$e->{NAME}) {\n";
if (util::has_property($e, "relative")) {
pidl "\t\tNDR_CHECK(ndr_push_relative(ndr, NDR_BUFFERS, $var_prefix$e->{NAME}));\n";
}
}
if (util::has_property($e, "relative")) {
pidl "\tNDR_CHECK(ndr_push_relative(ndr, NDR_BUFFERS, $cprefix$var_prefix$e->{NAME}, (ndr_push_const_fn_t) ndr_push_$e->{TYPE}));\n";
} elsif (util::is_inline_array($e)) {
if (util::is_inline_array($e)) {
ParseArrayPush($e, "r->", "NDR_BUFFERS");
} elsif (util::array_size($e)) {
ParseArrayPush($e, "r->", "NDR_SCALARS|NDR_BUFFERS");
@@ -645,14 +649,16 @@ sub ParseElementPullBuffer($$$)
return;
}
if (util::has_property($e, "relative")) {
return;
}
start_flags($e);
if (util::need_wire_pointer($e)) {
pidl "\tif ($var_prefix$e->{NAME}) {\n";
if (util::has_property($e, "relative")) {
pidl "\t\tstruct ndr_pull_save _relative_save;\n";
pidl "\t\tndr_pull_save(ndr, &_relative_save);\n";
pidl "\t\tNDR_CHECK(ndr_pull_set_offset(ndr, (uint32_t)$var_prefix$e->{NAME}));\n";
pidl "\t\tNDR_ALLOC(ndr, $var_prefix$e->{NAME});\n";
}
}
if (util::is_inline_array($e)) {
@@ -682,6 +688,9 @@ sub ParseElementPullBuffer($$$)
}
if (util::need_wire_pointer($e)) {
if (util::has_property($e, "relative")) {
pidl "\t\tndr_pull_restore(ndr, &_relative_save);\n";
}
pidl "\t}\n";
}
@@ -784,8 +793,7 @@ sub ParseStructPull($)
# declare any internal pointers we need
foreach my $e (@{$struct->{ELEMENTS}}) {
if (util::need_wire_pointer($e) &&
!util::has_property($e, "relative")) {
if (util::need_wire_pointer($e)) {
pidl "\tuint32_t _ptr_$e->{NAME};\n";
}
}