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Check argument pointers for null to WASI calls

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This commit is contained in:
Mark McCaskey
2019-10-03 10:50:07 -07:00
parent b45b1c12f1
commit 70b55b801d
4 changed files with 32 additions and 9 deletions
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6
lib/runtime-c-api/wasmer.hh
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@ -606,7 +606,11 @@ bool wasmer_validate(const uint8_t *wasm_bytes, uint32_t wasm_bytes_len);
/// empty values.
wasmer_import_object_t *wasmer_wasi_generate_default_import_object();
/// Creates a WASI import object
/// Creates a WASI import object.
///
/// This function treats null pointers as empty collections.
/// For example, passing null for a string in `args`, will lead to a zero
/// length argument in that position.
wasmer_import_object_t *wasmer_wasi_generate_import_object(const wasmer_byte_array *args,
unsigned int args_len,
const wasmer_byte_array *envs,