mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-21 20:40:05 +00:00
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/* Convert an IPv6 scope ID from text to the internal representation.
|
|
Copyright (C) 2016-2024 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <net-internal.h>
|
|
|
|
#include <ctype.h>
|
|
#include <errno.h>
|
|
#include <locale.h>
|
|
#include <net/if.h>
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
|
|
/* Parse SOURCE as a scope ID for ADDRESS. Return 0 on success and -1
|
|
on error. */
|
|
int
|
|
__inet6_scopeid_pton (const struct in6_addr *address, const char *scope,
|
|
uint32_t *result)
|
|
{
|
|
if (IN6_IS_ADDR_LINKLOCAL (address)
|
|
|| IN6_IS_ADDR_MC_NODELOCAL (address)
|
|
|| IN6_IS_ADDR_MC_LINKLOCAL (address))
|
|
{
|
|
uint32_t number = __if_nametoindex (scope);
|
|
if (number != 0)
|
|
{
|
|
*result = number;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (isdigit_l (scope[0], _nl_C_locobj_ptr))
|
|
{
|
|
char *end;
|
|
unsigned long long number
|
|
= ____strtoull_l_internal (scope, &end, /*base */ 10, /* group */ 0,
|
|
/* bin_cst */ false, _nl_C_locobj_ptr);
|
|
if (*end == '\0' && number <= UINT32_MAX)
|
|
{
|
|
*result = number;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|
|
|
|
libc_hidden_def (__inet6_scopeid_pton)
|