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Allow specifying optional max value in limits

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This commit is contained in:
Brandon Fish
2019-02-19 00:05:08 -06:00
parent 380d766943
commit d2f3023191
5 changed files with 45 additions and 12 deletions
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22
lib/runtime-c-api/src/lib.rs
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@ -87,7 +87,13 @@ pub struct wasmer_global_t();
#[repr(C)]
pub struct wasmer_limits_t {
pub min: uint32_t,
pub max: uint32_t,
pub max: wasmer_limit_option_t,
}
#[repr(C)]
pub struct wasmer_limit_option_t {
pub has_some: bool,
pub some: uint32_t,
}
#[repr(C)]
@ -167,9 +173,14 @@ pub unsafe extern "C" fn wasmer_memory_new(
mut memory: *mut *mut wasmer_memory_t,
limits: wasmer_limits_t,
) -> wasmer_result_t {
let max = if limits.max.has_some {
Some(Pages(limits.max.some))
} else {
None
};
let desc = MemoryDescriptor {
minimum: Pages(limits.min),
maximum: Some(Pages(limits.max)),
maximum: max,
shared: false,
};
let result = Memory::new(desc);
@ -231,10 +242,15 @@ pub unsafe extern "C" fn wasmer_table_new(
mut table: *mut *mut wasmer_table_t,
limits: wasmer_limits_t,
) -> wasmer_result_t {
let max = if limits.max.has_some {
Some(limits.max.some)
} else {
None
};
let desc = TableDescriptor {
element: ElementType::Anyfunc,
minimum: limits.min,
maximum: Some(limits.max),
maximum: max,
};
let result = Table::new(desc);
let new_table = match result {