#include <u.h>#include <libc.h>#include "ip.h" intparseip(uchar *to, char *from){ int i; char *p; p = from; memset(to, 0, 4); for(i = 0; i < 4 && *p; i++){ to[i] = strtoul(p, &p, 0); if(*p == '.') p++; } switch(CLASS(to)){ case 0: /* class A - 1 byte net */ case 1: if(i == 3){ to[3] = to[2]; to[2] = to[1]; to[1] = 0; } else if (i == 2){ to[3] = to[1]; to[1] = 0; } break; case 2: /* class B - 2 byte net */ if(i == 3){ to[3] = to[2]; to[2] = 0; } break; } return 0;}
#include <u.h>
#include <libc.h>
#include "ip.h"
int
parseip(uchar *to, char *from)
{
int i;
char *p;
p = from;
memset(to, 0, 4);
for(i = 0; i < 4 && *p; i++){
to[i] = strtoul(p, &p, 0);
if(*p == '.')
p++;
}
switch(CLASS(to)){
case 0: /* class A - 1 byte net */
case 1:
if(i == 3){
to[3] = to[2];
to[2] = to[1];
to[1] = 0;
} else if (i == 2){
to[3] = to[1];
to[1] = 0;
}
break;
case 2: /* class B - 2 byte net */
if(i == 3){
to[3] = to[2];
to[2] = 0;
}
break;
}
return 0;
}