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lilyball
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Implement interior null checking in .to_c_str(), among other changes.

CString.unwrap() drops ownership of the buffer on the floor. Put this in
the docs.
Previous dicussions about CString suggested that interior nulls should
throw an error. This was never implemented. Add this now, using a
condition (named null_byte) to allow for recovery.

Add method .to_c_str_unchecked() that skips this check.
.with_c_str() is a replacement for the old .as_c_str(), to avoid
unnecessary boilerplate.

Replace all usages of .to_c_str().with_ref() with .with_c_str().
LLVMConstStringInContext() doesn't need a null-terminated string. It
takes a length instead. Using .to_c_str() here triggers an ICE whenever
the string literal embeds a null, as in "\x00".
@erickt
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erickt commented Aug 15, 2013

This is awesome! Thanks so much for cleaning up the API!

bors added a commit that referenced this pull request Aug 16, 2013
Implement interior null checking in `.to_c_str()`, among other changes.
@bors bors closed this Aug 16, 2013
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3 participants