C++ (Cpp) __endprotoent_p示例

示例#1

文件： getprotoname.c 项目： 2trill2spill/freebsd

static int
files_getprotobyname(void *retval, void *mdata, va_list ap)
{
	struct protoent pe;
	struct protoent_data *ped;
	char **cp;
	int error;

	char *name;
	struct protoent	*pptr;
	char *buffer;
	size_t buflen;
	int *errnop;

	name = va_arg(ap, char *);
	pptr = va_arg(ap, struct protoent *);
	buffer = va_arg(ap, char *);
	buflen = va_arg(ap, size_t);
	errnop = va_arg(ap, int *);


	if ((ped = __protoent_data_init()) == NULL) {
		*errnop = errno;
		return (NS_NOTFOUND);
	}

	__setprotoent_p(ped->stayopen, ped);
	while ((error = __getprotoent_p(&pe, ped)) == 0) {
		if (strcmp(pe.p_name, name) == 0)
			break;
		for (cp = pe.p_aliases; *cp != 0; cp++)
			if (strcmp(*cp, name) == 0)
				goto found;
	}
found:
	if (!ped->stayopen)
		__endprotoent_p(ped);
	if (error != 0) {
		*errnop = errno;
		return (NS_NOTFOUND);
	}
	if (__copy_protoent(&pe, pptr, buffer, buflen) != 0) {
		*errnop = errno;
		return (NS_RETURN);
	}

	*((struct protoent **)retval) = pptr;
	return (NS_SUCCESS);
}

示例#2

文件： getproto.c 项目： 5432935/crossbridge

static int
files_getprotobynumber(void *retval, void *mdata, va_list ap)
{
	struct protoent pe;
	struct protoent_data *ped;
	int error;

	int number;
	struct protoent	*pptr;
	char *buffer;
	size_t buflen;
	int *errnop;

	number = va_arg(ap, int);
	pptr = va_arg(ap, struct protoent *);
	buffer = va_arg(ap, char *);
	buflen = va_arg(ap, size_t);
	errnop = va_arg(ap, int *);

	if ((ped = __protoent_data_init()) == NULL) {
		*errnop = errno;
		return (NS_NOTFOUND);
	}

	__setprotoent_p(ped->stayopen, ped);
	while ((error = __getprotoent_p(&pe, ped)) == 0)
		if (pe.p_proto == number)
			break;
	if (!ped->stayopen)
		__endprotoent_p(ped);
	if (error != 0) {
		*errnop = errno;
		return (NS_NOTFOUND);
	}
	if (__copy_protoent(&pe, pptr, buffer, buflen) != 0) {
		*errnop = errno;
		return (NS_RETURN);
	}

	*((struct protoent **)retval) = pptr;
	return (NS_SUCCESS);
}