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Replaces unchecked integer arithmetic by guarded versions. (#21186)

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This commit is contained in:
Alexander Meißner
2021-11-09 13:35:49 +01:00
committed by GitHub
parent b4d09388aa
commit 067e29ae0b
4 changed files with 42 additions and 26 deletions
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6
program-runtime/src/log_collector.rs
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@ -17,14 +17,14 @@ pub struct LogCollector {
impl LogCollector {
pub fn log(&self, message: &str) {
let mut inner = self.inner.borrow_mut();
if inner.bytes_written + message.len() >= LOG_MESSAGES_BYTES_LIMIT {
let bytes_written = inner.bytes_written.saturating_add(message.len());
if bytes_written >= LOG_MESSAGES_BYTES_LIMIT {
if !inner.limit_warning {
inner.limit_warning = true;
inner.messages.push(String::from("Log truncated"));
}
} else {
inner.bytes_written += message.len();
inner.bytes_written = bytes_written;
inner.messages.push(message.to_string());
}
}