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ip2net fix

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This commit is contained in:
bolvan 2019-04-06 16:21:21 +03:00
parent 92edb373e1
commit 366b065641
1 changed files with 6 additions and 3 deletions
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9
ip2net/ip2net.c
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@ -6,7 +6,10 @@
#include "qsort.h"
#define ALLOC_STEP 16384
#define PCTMULT 3/4
// minimum subnet fill percent is PCTMULT/PCTDIV (for example 3/4)
#define PCTMULT 3
#define PCTDIV 4
typedef unsigned int uint;
typedef unsigned char uchar;
@ -64,10 +67,10 @@ int main()
mask = mask_from_bitcount(zct);
ip_start = iplist[pos] & mask;
subnet_ct = ~mask+1;
if (iplist[pos]>(ip_start+subnet_ct*PCTMULT)) continue;
if (iplist[pos]>(ip_start+subnet_ct*(PCTDIV-PCTMULT)/PCTDIV)) continue;
ip_end = ip_start | ~mask;
for(p=pos, ip_ct=0 ; p<ipct && iplist[p]<=ip_end; p++) ip_ct++;
if (ip_ct>=(subnet_ct*PCTMULT))
if (ip_ct>=(subnet_ct*PCTMULT/PCTDIV))
{
subnet_ok=1;
pos_end = p;