/**************************************************************************
MISC Support Routines
**************************************************************************/
FILE_LICENCE ( GPL2_OR_LATER );
#include <stdlib.h>
#include <ctype.h>
#include <byteswap.h>
#include <ipxe/in.h>
#include <ipxe/timer.h>
INET_ATON - Convert an ascii x.x.x.x to binary form
int inet_aton ( const char *cp, struct in_addr *inp ) {
const char *p = cp;
const char *digits_start;
unsigned long ip = 0;
unsigned long val;
int j;
for(j = 0; j <= 3; j++) {
digits_start = p;
val = strtoul(p, ( char ** ) &p, 10);
if ((p == digits_start) || (val > 255)) return 0;
if ( ( j < 3 ) && ( *(p++) != '.' ) ) return 0;
ip = (ip << 8) | val;
}
if ( *p == '\0' ) {
inp->s_addr = htonl(ip);
return 1;
return 0;
unsigned long strtoul ( const char *p, char **endp, int base ) {
unsigned long ret = 0;
unsigned int charval;
base = strtoul_base ( &p, base );
while ( 1 ) {
charval = strtoul_charval ( *p );
if ( charval >= ( unsigned int ) base )
break;
ret = ( ( ret * base ) + charval );
p++;
if ( endp )
*endp = ( char * ) p;
return ( ret );
/*
* Local variables:
* c-basic-offset: 8
* End:
*/