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libnet: avoid unterminated strings

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Signed-off-by: MarkusVolk <f_l_k@t-online.de>


Origin commit data
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Branch: ni/coolstream
Commit: 6a51539434
Author: Markus Volk <f_l_k@t-online.de>
Date: 2020-01-14 (Tue, 14 Jan 2020)



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This commit was generated by Migit
This commit is contained in:
Markus Volk
2020-01-14 21:22:46 +01:00
committed by vanhofen
parent cc67e50f9d
commit 8af885bb1d
1 changed files with 2 additions and 2 deletions
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4
lib/libnet/libnet.cpp
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@@ -102,7 +102,7 @@ void netGetIP(std::string &dev, std::string &ip, std::string &mask, std::string
memset(&req,0,sizeof(req)); memset(&req,0,sizeof(req));
strncpy(req.ifr_name, dev.c_str(), sizeof(req.ifr_name)); strncpy(req.ifr_name, dev.c_str(), sizeof(req.ifr_name)-1);
saddr = (struct sockaddr_in *) &req.ifr_addr; saddr = (struct sockaddr_in *) &req.ifr_addr;
addr= (unsigned char*) &saddr->sin_addr.s_addr; addr= (unsigned char*) &saddr->sin_addr.s_addr;
@@ -290,7 +290,7 @@ void netGetMacAddr(std::string &ifname, unsigned char *mac)
return; return;
ifr.ifr_addr.sa_family = AF_INET; ifr.ifr_addr.sa_family = AF_INET;
strncpy(ifr.ifr_name, ifname.c_str(), sizeof(ifr.ifr_name)); strncpy(ifr.ifr_name, ifname.c_str(), sizeof(ifr.ifr_name)-1);
if(ioctl(fd, SIOCGIFHWADDR, &ifr) < 0) if(ioctl(fd, SIOCGIFHWADDR, &ifr) < 0)
return; return;