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bus: Properly va_copy() argument list before passing it to printf() functions

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As we later potentially use args again, we can't consume it with printf
functions without copying it first. Clone list before passing it to any
consuming function.

Fixes #621.
This commit is contained in:
Martin Willi 2014-06-19 10:10:54 +02:00
parent 758dc8a953
commit 8b855a97c2
1 changed files with 3 additions and 1 deletions
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4
src/libcharon/bus/bus.c
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@ -391,7 +391,9 @@ METHOD(bus_t, vlog, void,
{
len++;
data.message = malloc(len);
len = vsnprintf(data.message, len, format, args);
va_copy(data.args, args);
len = vsnprintf(data.message, len, format, data.args);
va_end(data.args);
}
if (len > 0)
{