mirror of
https://github.com/fluencelabs/wasmer
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22 lines
670 B
Rust
22 lines
670 B
Rust
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use crate::{memory::LinearMemory, vm};
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pub unsafe extern "C" fn memory_grow_static(
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memory_index: u32,
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by_pages: u32,
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ctx: *mut vm::Ctx,
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) -> i32 {
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if let Some(old) = (*(*ctx).local_backing).memories[memory_index as usize].grow_static(by_pages)
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{
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// Store the new size back into the vmctx.
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(*(*ctx).memories.add(memory_index as usize)).size =
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(old as usize + by_pages as usize) * LinearMemory::PAGE_SIZE as usize;
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old
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} else {
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-1
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}
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}
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pub unsafe extern "C" fn memory_size(memory_index: u32, ctx: *mut vm::Ctx) -> u32 {
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(*(*ctx).local_backing).memories[memory_index as usize].current_pages()
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}
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