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validate_compressed_buffer binding

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This commit is contained in:
Robert Habermeier 2016-06-15 19:14:46 +02:00
parent 25f1f22c86
commit b38f33531e
1 changed files with 11 additions and 0 deletions
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11
util/src/snappy.rs
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@ -46,6 +46,11 @@ extern {
compressed_len: size_t, compressed_len: size_t,
result: *mut size_t, result: *mut size_t,
) -> c_int; ) -> c_int;
fn snappy_validate_compressed_buffer(
compressed: *const c_char,
compressed_len: size_t,
) -> c_int;
} }
/// Errors that can occur during usage of snappy. /// Errors that can occur during usage of snappy.
@ -151,4 +156,10 @@ pub fn decompress_into(input: &[u8], output: &mut [u8]) -> Result<usize, Error>
SNAPPY_BUFFER_TOO_SMALL => Err(Error::BufferTooSmall), SNAPPY_BUFFER_TOO_SMALL => Err(Error::BufferTooSmall),
_ => panic!("snappy returned unspecified status"), _ => panic!("snappy returned unspecified status"),
} }
}
/// Validate a compressed buffer. True if valid, false if not.
pub fn validate_compressed_buffer(input: &[u8]) -> bool {
let status = unsafe { snappy_validate_compressed_buffer(input.as_ptr() as *const c_char, input.len() as size_t )};
status == SNAPPY_OK
} }