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author | Nick Mathewson <nickm@torproject.org> | 2014-04-18 20:26:47 -0400 |
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committer | Nick Mathewson <nickm@torproject.org> | 2014-04-18 20:26:47 -0400 |
commit | 08325b58bef83bfed181c493f269ef57477152c0 (patch) | |
tree | 7e685f9b0ed310fe10c687b854beb7c48f0e724e /src/common/address.c | |
parent | 0cca8dc35a4e59944b83db0a36c7033e09fb98b4 (diff) | |
download | tor-08325b58bef83bfed181c493f269ef57477152c0.tar.gz tor-08325b58bef83bfed181c493f269ef57477152c0.zip |
scan-build: Add a check for result from getaddrinfo
As documented, getaddrinfo always sets its result when it returns
no error. But scan-build doesn't know that, and thinks we might
be def
Diffstat (limited to 'src/common/address.c')
-rw-r--r-- | src/common/address.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/common/address.c b/src/common/address.c index e5930dedca..2825b123da 100644 --- a/src/common/address.c +++ b/src/common/address.c @@ -236,7 +236,9 @@ tor_addr_lookup(const char *name, uint16_t family, tor_addr_t *addr) hints.ai_family = family; hints.ai_socktype = SOCK_STREAM; err = sandbox_getaddrinfo(name, NULL, &hints, &res); - if (!err) { + /* The check for 'res' here shouldn't be necessary, but it makes static + * analysis tools happy. */ + if (!err && res) { best = NULL; for (res_p = res; res_p; res_p = res_p->ai_next) { if (family == AF_UNSPEC) { |