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[settings] Add fetch_ipv6_setting() 

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2013-12-04 23:36:53 +00:00
parent 17451b53e2
commit 60c4e62e5d
2 changed files with 45 additions and 0 deletions
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38
src/core/settings.c
View File

@ -877,6 +877,44 @@ int fetch_ipv4_setting ( struct settings *settings,
return fetch_ipv4_array_setting ( settings, setting, inp, 1 );
}
/**
* Fetch value of IPv6 address setting
*
* @v settings Settings block, or NULL to search all blocks
* @v setting Setting to fetch
* @v inp IPv6 addresses to fill in
* @v count Maximum number of IPv6 addresses
* @ret len Length of setting, or negative error
*/
int fetch_ipv6_array_setting ( struct settings *settings,
const struct setting *setting,
struct in6_addr *inp, unsigned int count ) {
int len;
len = fetch_raw_setting ( settings, setting, inp,
( sizeof ( *inp ) * count ) );
if ( len < 0 )
return len;
if ( ( len % sizeof ( *inp ) ) != 0 )
return -ERANGE;
return len;
}
/**
* Fetch value of IPv6 address setting
*
* @v settings Settings block, or NULL to search all blocks
* @v setting Setting to fetch
* @v inp IPv6 address to fill in
* @ret len Length of setting, or negative error
*/
int fetch_ipv6_setting ( struct settings *settings,
const struct setting *setting,
struct in6_addr *inp ) {
return fetch_ipv6_array_setting ( settings, setting, inp, 1 );
}
/**
* Extract numeric value of setting
*

7
src/include/ipxe/settings.h
View File

@ -16,6 +16,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
struct settings;
struct in_addr;
struct in6_addr;
union uuid;
/** A setting */
@ -341,6 +342,12 @@ extern int fetch_ipv4_array_setting ( struct settings *settings,
extern int fetch_ipv4_setting ( struct settings *settings,
const struct setting *setting,
struct in_addr *inp );
extern int fetch_ipv6_array_setting ( struct settings *settings,
const struct setting *setting,
struct in6_addr *inp, unsigned int count);
extern int fetch_ipv6_setting ( struct settings *settings,
const struct setting *setting,
struct in6_addr *inp );
extern int fetch_int_setting ( struct settings *settings,
const struct setting *setting, long *value );
extern int fetch_uint_setting ( struct settings *settings,