0be7f5293d
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@657 ec53bebd-3082-4978-b11e-865c3cabbd6b
41 lines
666 B
C
41 lines
666 B
C
#ifdef HAVE_CONFIG_H
|
|
#include <config.h>
|
|
#endif
|
|
|
|
#include "roken.h"
|
|
|
|
#include <sys/types.h>
|
|
#include <stdio.h>
|
|
#include <netinet/in.h>
|
|
#include <netdb.h>
|
|
|
|
RCSID("$Id$");
|
|
|
|
/* Minimal implementation of inet_aton. Doesn't handle hex numbers. */
|
|
|
|
int inet_aton(const char *cp, struct in_addr *adr)
|
|
{
|
|
unsigned int a, b, c, d;
|
|
|
|
int num;
|
|
|
|
num = sscanf(cp, "%u.%u.%u.%u", &a, &b, &c, &d);
|
|
|
|
if(num < 2)
|
|
return 0;
|
|
|
|
if(num == 2){
|
|
c = b & 0xffff;
|
|
b = b >> 16;
|
|
}
|
|
if(num < 4){
|
|
d = c & 0xff;
|
|
c = c >> 8;
|
|
}
|
|
|
|
if(a > 255 || b > 255 || c > 255 || d > 255)
|
|
return 0;
|
|
adr->s_addr = htonl((a << 24) | (b << 16) | (c << 8) | d);
|
|
return 1;
|
|
}
|