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libnet: fix compil warning

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This commit is contained in:
Jacek Jendrzej
2020-01-29 22:42:41 +01:00
parent 5c756e9dc5
commit 55ed87727b
1 changed files with 14 additions and 9 deletions
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23
lib/libnet/libnet.cpp
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@@ -172,8 +172,8 @@ void netGetDefaultRoute( std::string &ip )
fp = fopen("/proc/net/route","r");
if (fp == NULL)
return;
fgets(zeile,sizeof(zeile),fp); /* skip header */
while(fgets(zeile,sizeof(zeile),fp))
char *fg = fgets(zeile,sizeof(zeile),fp); /* skip header */
while(fg && (fg = fgets(zeile,sizeof(zeile),fp)))
{
destination = 1; /* in case sscanf fails */
sscanf(zeile,"%8s %x %x", interface, &destination, &gw);
@@ -218,13 +218,18 @@ void netGetHostname( std::string &host )
void netSetHostname( std::string &host )
{
FILE * fp;
sethostname(host.c_str(), host.length());
fp = fopen("/etc/hostname", "w");
if(fp != NULL) {
fprintf(fp, "%s\n", host.c_str());
fclose(fp);
if (sethostname(host.c_str(), host.length()) < 0)
{
fprintf(stderr, "error set %s\n", host.c_str());
}
else
{
FILE * fp = fopen("/etc/hostname", "w");
if(fp != NULL)
{
fprintf(fp, "%s\n", host.c_str());
fclose(fp);
}
}
}