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Always call res_init() before getaddrinfo().

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Unfortunately, glibc assumes that /etc/resolv.conf is a static file that
never changes. Even on servers, /etc/resolv.conf might be a dynamically
generated file, and we never know when it changes. So just call
res_init() every time, so glibc uses up-to-date nameserver information.

Conflicts:
	src/have.h
	src/net.c
	src/net_setup.c
This commit is contained in:
Guus Sliepen 2015-04-12 15:42:48 +02:00
commit 95921696a4
5 changed files with 21 additions and 17 deletions
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4
src/net_setup.c
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@ -857,14 +857,14 @@ static bool setup_myself(void) {
}
if(get_config_int(lookup_config(config_tree, "UDPRcvBuf"), &udp_rcvbuf)) {
if(udp_rcvbuf <= 0) {
if(udp_rcvbuf < 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "UDPRcvBuf cannot be negative!");
return false;
}
}
if(get_config_int(lookup_config(config_tree, "UDPSndBuf"), &udp_sndbuf)) {
if(udp_sndbuf <= 0) {
if(udp_sndbuf < 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "UDPSndBuf cannot be negative!");
return false;
}