diff options
| author | Harald Welte <laforge@netfilter.org> | 2009-12-24 11:12:11 +0100 |
|---|---|---|
| committer | Harald Welte <laforge@netfilter.org> | 2009-12-24 11:12:11 +0100 |
| commit | aa8989c4d538b19fd0890a1afbdda42a5f311752 (patch) | |
| tree | 808a0d2d9c7e2e06f64b5c8a8489858250818215 /openbsc/src/debug.c | |
| parent | aa6c9ca48b5dd15bab130b64136dfc8a1311fe8c (diff) | |
debug: workaround for strange va_list corruption bug
Diffstat (limited to 'openbsc/src/debug.c')
| -rw-r--r-- | openbsc/src/debug.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/openbsc/src/debug.c b/openbsc/src/debug.c index 30e27a8d5..15271fe72 100644 --- a/openbsc/src/debug.c +++ b/openbsc/src/debug.c @@ -223,8 +223,15 @@ static void _debugp(unsigned int subsys, int level, char *file, int line, output = 1; } - if (output) - _output(tar, subsys, file, line, cont, format, ap); + if (output) { + /* FIXME: copying the va_list is an ugly workaround against a bug + * hidden somewhere in _output. If we do not copy here, the first + * call to _output() will corrupt the va_list contents, and any + * further _output() calls with the same va_list will segfault */ + va_list bp; + va_copy(bp, ap); + _output(tar, subsys, file, line, cont, format, bp); + } } } |