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| author | Steinar H. Gunderson <sesse@google.com> | 2007-09-29 13:56:36 +0000 |
|---|---|---|
| committer | Steinar H. Gunderson <sesse@google.com> | 2007-09-29 13:56:36 +0000 |
| commit | 22c2794e764e6a40f28d997a495714b5e6369758 (patch) | |
| tree | 0abaaf8f26e1f800df9cc55041073f2e1ef39694 /ares_mkquery.c | |
| parent | cccd9a58cd2ef71da3c2f9e8ed598771edbb2ed7 (diff) | |
| download | c-ares-22c2794e764e6a40f28d997a495714b5e6369758.tar.gz c-ares-22c2794e764e6a40f28d997a495714b5e6369758.tar.bz2 c-ares-22c2794e764e6a40f28d997a495714b5e6369758.zip | |
In ares_mkquery, make sure we set buflen and buf to reasonable values if there's an error. (Patch from the Google tree)
Diffstat (limited to 'ares_mkquery.c')
| -rw-r--r-- | ares_mkquery.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/ares_mkquery.c b/ares_mkquery.c index cfd15a9..9c84446 100644 --- a/ares_mkquery.c +++ b/ares_mkquery.c @@ -88,6 +88,10 @@ int ares_mkquery(const char *name, int dnsclass, int type, unsigned short id, unsigned char *q; const char *p; + /* Set our results early, in case we bail out early with an error. */ + *buflen = 0; + *buf = NULL; + /* Compute the length of the encoded name so we can check buflen. * Start counting at 1 for the zero-length label at the end. */ len = 1; |