33 lines
1.3 KiB
Rust
33 lines
1.3 KiB
Rust
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// nih-plug: plugins, but rewritten in Rust
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// Copyright (C) 2022 Robbert van der Helm
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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/// Early exit out of a VST3 function when one of the passed pointers is null
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macro_rules! check_null_ptr {
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($ptr:expr $(, $ptrs:expr)* $(, )?) => {
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check_null_ptr_msg!("Null pointer passed to function", $ptr $(, $ptrs)*)
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};
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}
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/// The same as [check_null_ptr!], but with a custom message.
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macro_rules! check_null_ptr_msg {
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($msg:expr, $ptr:expr $(, $ptrs:expr)* $(, )?) => {
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if $ptr.is_null() $(|| $ptrs.is_null())* {
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nih_debug_assert_failure!($msg);
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return kInvalidArgument;
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}
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};
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}
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