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check snprintf return value for error

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rofl0r 2016-12-20 22:18:21 +00:00
parent 6ae959e051
commit bf6eeff75a
1 changed files with 1 additions and 1 deletions
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2
src/core.c
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@ -244,7 +244,7 @@ static int tunnel_to(int sock, ip_type ip, unsigned short port, proxy_type pt, c
ulen ? "Proxy-Authorization: Basic " : dst,
dst, ulen ? "\r\n" : dst);
if(len != send(sock, buff, len, 0))
if(len < 0 || len != send(sock, buff, len, 0))
goto err;
len = 0;