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fix(variables): add null terminator to the end of strings written into variables

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This commit is contained in:
Alex Zenla
2025-10-30 23:15:18 -04:00
parent 0368a170a8
commit a2f017ba30
2 changed files with 6 additions and 2 deletions
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4
src/integrations/bootloader_interface.rs
View File

@@ -85,8 +85,10 @@ impl BootloaderInterface {
.encode_utf16() .encode_utf16()
.flat_map(|c| c.to_le_bytes()) .flat_map(|c| c.to_le_bytes())
.collect::<Vec<u8>>(); .collect::<Vec<u8>>();
// Write the bytes (including the null terminator) into the data buffer. // Write the bytes into the data buffer.
data.extend_from_slice(&encoded); data.extend_from_slice(&encoded);
// Add a null terminator to the end of the entry.
data.push(0);
} }
Self::VENDOR.set( Self::VENDOR.set(
"LoaderEntries", "LoaderEntries",

4
src/utils/variables.rs
View File

@@ -84,10 +84,12 @@ impl VariableController {
/// a [CString16]. The variable `class` controls the attributes for the variable. /// a [CString16]. The variable `class` controls the attributes for the variable.
pub fn set_cstr16(&self, key: &str, value: &str, class: VariableClass) -> Result<()> { pub fn set_cstr16(&self, key: &str, value: &str, class: VariableClass) -> Result<()> {
// Encode the value as a CString16 little endian. // Encode the value as a CString16 little endian.
let encoded = value let mut encoded = value
.encode_utf16() .encode_utf16()
.flat_map(|c| c.to_le_bytes()) .flat_map(|c| c.to_le_bytes())
.collect::<Vec<u8>>(); .collect::<Vec<u8>>();
// Add a null terminator to the end of the value.
encoded.push(0);
self.set(key, &encoded, class) self.set(key, &encoded, class)
} }