>> I have a package which contains a code like following:
>>
>> #include <stdio.h>
>>
>> FILE *file_handle;
>>
>> int foo(int something, const char *fmt, ...)
>> {
>> // some statements
>> ....
>> va_list ap;
>> int res = vfprintf(file_handle, fmt, ap);
>> va_end(ap);
>> return res;
>> }
>>
>> This code works fine by libc wouldn't be rebuilt (new versions, or new
>> gcc - this moment is ambiguous to me).
>> Then this code begins segfaulting into this place.
>> If we try to rebuild our package, it will begin to work fine again.GvB> Should that work at all? GvB> man va_arg: GvB> va_end() GvB> Each invocation of va_start() must be matched by a corresponding invo- GvB> cation of va_end() in the same function. After the call va_end(ap) the GvB> variable ap is undefined. Multiple traversals of the list, each brack- GvB> eted by va_start() and va_end() are possible. va_end() may be a macro GvB> or a function. GvB> You need to call va_start() before the vfprintf or not call va_end(). GvB> Does that solve the problem? Yes, my first _mail_ contained a mistake, src-code didn't. Full code here: http://svn.uvw.ru/mhddfs/trunk/src/debug.c -- ... mpd is off . ''`. Dmitry E. Oboukhov : :’ : email: un...@debian.org jabber://un...@uvw.ru `. `~’ GPGKey: 1024D / F8E26537 2006-11-21 `- 1B23 D4F8 8EC0 D902 0555 E438 AB8C 00CF F8E2 6537
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