Libiberty's snprintf for v3?

Tue Apr 22 10:53:00 GMT 2003

"Kaveh R. Ghazi" <ghazi@caip.rutgers.edu> writes:

|> C.  I'm not sure if it's legal (portable) to traverse the va_list
|>     twice inside vsnprintf.c, once with vfprintf and once is vsprintf.

It is only legal when both traverses are either bracketed by
va_start/va_end, or you use va_copy to copy the va_alist object.  va_copy
is a C99 feature, if it isn't provided use __va_copy if defined, else a
simple assignment.

Andreas.

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Andreas Schwab, SuSE Labs, schwab@suse.de
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