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| author | Jonathan Nieder <jrnieder@gmail.com> | 2011-03-15 16:03:47 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2011-03-15 16:03:47 +0800 |
| commit | fd45f364a8387f7193f2b9be5d316ffb4361a5da (patch) | |
| tree | c81bb63705ec933ccdfcaabd39bb8f74cbd1d42d /src/bltin | |
| parent | [EXPAND] Free IFS state after here document expansion (diff) | |
| download | dash-fd45f364a8387f7193f2b9be5d316ffb4361a5da.tar.gz dash-fd45f364a8387f7193f2b9be5d316ffb4361a5da.zip | |
[DEBUG] Use va_copy when reusing a va_list
When tracing (with the DEBUG compile-time option set to 1 or 2), exverror calls TRACEV to print its arguments before passing them on. So the arguments are consumed by the time exvwarning looks for them, resulting in a segfault: $ sh -c '"' sh: Syntax error: Unterminated quoted string $ sh -o debug -c '"' sh: Segmentation fault (core dumped) Make a copy with va_copy to avoid this. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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