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/* inet_aton.c Ben Collver <collver@softhome.net> */
/* This works if inet_addr exists like it does in CYGWIN */
#include <stddef.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#ifndef INADDR_NONE
#define INADDR_NONE ((unsigned long)-1)
#endif
/* Solaris 5.x defines extern inet_aton() in /usr/include/arpa/inet.h
However, inet_aton is not in the C library!? Solaris has inet_addr()
but does not define INADDR_NONE
*/
#ifndef INADDR_NONE
#define INADDR_NONE -1
#endif
int inet_aton(const char *cp, struct in_addr *addr)
{
unsigned long retval;
if (addr == NULL || cp == NULL)
return 0;
retval = inet_addr(cp);
if (retval == INADDR_NONE) {
return 0;
}
addr->s_addr = retval;
return 1;
}
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