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improve debug statements for arg syscalls

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This commit is contained in:
Mark McCaskey 2019-04-03 14:59:24 -07:00
parent 7d728fc4cc
commit d04d1bf2a9
1 changed files with 24 additions and 3 deletions
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27
lib/wasi/src/syscalls/mod.rs
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@ -93,7 +93,24 @@ pub fn args_get(
let state = get_wasi_state(ctx);
let memory = ctx.memory(0);
write_buffer_array(memory, &*state.args, argv, argv_buf)
let result = write_buffer_array(memory, &*state.args, argv, argv_buf);
debug!(
"=> args:\n{}",
state
.args
.iter()
.enumerate()
.map(|(i, v)| format!(
"{:>20}: {}",
i,
::std::str::from_utf8(v).unwrap().to_string()
))
.collect::<Vec<String>>()
.join("\n")
);
result
}
/// ### `args_sizes_get()`
@ -116,8 +133,12 @@ pub fn args_sizes_get(
let state = get_wasi_state(ctx);
argc.set(state.args.len() as u32);
argv_buf_size.set(state.args.iter().map(|v| v.len() as u32 + 1).sum());
let argc_val = state.args.len() as u32;
let argv_buf_size_val = state.args.iter().map(|v| v.len() as u32 + 1).sum();
argc.set(argc_val);
argv_buf_size.set(argv_buf_size_val);
debug!("=> argc={}, argv_buf_size={}", argc_val, argv_buf_size_val);
__WASI_ESUCCESS
}