diff options
Diffstat (limited to 'src/core/settings.c')
| -rw-r--r-- | src/core/settings.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/core/settings.c b/src/core/settings.c index 1037b06a..bece1afe 100644 --- a/src/core/settings.c +++ b/src/core/settings.c @@ -2242,6 +2242,37 @@ const struct setting_type setting_type_base64 __setting_type = { }; /** + * Parse UUID/GUID setting value + * + * @v type Setting type + * @v value Formatted setting value + * @v buf Buffer to contain raw value + * @v len Length of buffer + * @v size Integer size, in bytes + * @ret len Length of raw value, or negative error + */ +static int parse_uuid_setting ( const struct setting_type *type, + const char *value, void *buf, size_t len ) { + union uuid uuid; + int rc; + + /* Parse UUID */ + if ( ( rc = uuid_aton ( value, &uuid ) ) != 0 ) + return rc; + + /* Mangle GUID byte ordering */ + if ( type == &setting_type_guid ) + uuid_mangle ( &uuid ); + + /* Copy value */ + if ( len > sizeof ( uuid ) ) + len = sizeof ( uuid ); + memcpy ( buf, uuid.raw, len ); + + return ( sizeof ( uuid ) ); +} + +/** * Format UUID/GUID setting value * * @v type Setting type @@ -2274,12 +2305,14 @@ static int format_uuid_setting ( const struct setting_type *type, /** UUID setting type */ const struct setting_type setting_type_uuid __setting_type = { .name = "uuid", + .parse = parse_uuid_setting, .format = format_uuid_setting, }; /** GUID setting type */ const struct setting_type setting_type_guid __setting_type = { .name = "guid", + .parse = parse_uuid_setting, .format = format_uuid_setting, }; |