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Have the same length==0 in value_blob as in value_text to avoid null access #23

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Have the same length==0 in value_blob as in value_text to avoid null access #23

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3 changes: 3 additions & 0 deletions src/api.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -118,6 +118,9 @@ pub fn mprintf(base: &str) -> Result<*mut c_char, MprintfError> {
/// from the given sqlite3_value, as a u8 slice.
pub fn value_blob<'a>(value: &*mut sqlite3_value) -> &'a [u8] {
let n = value_bytes(value);
if n == 0 {
return &[];
}
let b = unsafe { sqlite3ext_value_blob(value.to_owned()) };
return unsafe { from_raw_parts(b.cast::<u8>(), n as usize) };
}
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