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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2010-05-27 14:21:17 +0800 |
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| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2010-05-27 14:21:17 +0800 |
| commit | f74ae6869a7a9124c8a5cb5f3f64491d28200cc3 (patch) | |
| tree | d354a116fe3bcbf9fc932076d516721796e74fc5 /src/dash.1 | |
| parent | [VAR] Do not poplocalvars prematurely on regular utilities (diff) | |
| download | dash-f74ae6869a7a9124c8a5cb5f3f64491d28200cc3.tar.gz dash-f74ae6869a7a9124c8a5cb5f3f64491d28200cc3.zip | |
[REDIR] Move null redirect checks into caller
The null redirect checks were added as an optimisation to avoid unnecessary memory allocations. However, we could avoid this completely by simply making the caller avoid making a redirection unless it is not null. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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