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LocalIP (Linux): simplify ffNetifGetDefaultRouteImpl

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Fix #1336
This commit is contained in:
李通洲 2024-10-13 08:55:03 +08:00
parent 986d36c028
commit 3a914f2d27
1 changed files with 3 additions and 5 deletions
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8
src/common/netif/netif_linux.c
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@ -12,12 +12,10 @@ bool ffNetifGetDefaultRouteImpl(char iface[IF_NAMESIZE + 1], uint32_t* ifIndex)
FILE* FF_AUTO_CLOSE_FILE netRoute = fopen("/proc/net/route", "r"); FILE* FF_AUTO_CLOSE_FILE netRoute = fopen("/proc/net/route", "r");
if (!netRoute) return false; if (!netRoute) return false;
// skip first line // skip first line #1336
flockfile(netRoute); fseek(netRoute, 128, SEEK_SET);
while (getc_unlocked(netRoute) != '\n');
funlockfile(netRoute);
unsigned long long destination; //, gateway, flags, refCount, use, metric, mask, mtu,
unsigned long long destination; //, gateway, flags, refCount, use, metric, mask, mtu,
while (fscanf(netRoute, "%" FF_STR(IF_NAMESIZE) "s%llx%*[^\n]", iface, &destination) == 2) while (fscanf(netRoute, "%" FF_STR(IF_NAMESIZE) "s%llx%*[^\n]", iface, &destination) == 2)
{ {
if (destination != 0) continue; if (destination != 0) continue;