diff options
Diffstat (limited to 'src/core/uuid.c')
-rw-r--r-- | src/core/uuid.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/core/uuid.c b/src/core/uuid.c index c43d421..b6600af 100644 --- a/src/core/uuid.c +++ b/src/core/uuid.c @@ -25,7 +25,9 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #include <stdint.h> #include <stdio.h> +#include <errno.h> #include <byteswap.h> +#include <ipxe/base16.h> #include <ipxe/uuid.h> /** @file @@ -53,3 +55,29 @@ const char * uuid_ntoa ( const union uuid *uuid ) { uuid->canonical.e[4], uuid->canonical.e[5] ); return buf; } + +/** + * Parse UUID + * + * @v string UUID string + * @v uuid UUID to fill in + * @ret rc Return status code + */ +int uuid_aton ( const char *string, union uuid *uuid ) { + int len; + int rc; + + /* Decode as hex string with optional '-' separator */ + len = hex_decode ( ( '-' | HEX_DECODE_OPTIONAL ), string, uuid->raw, + sizeof ( *uuid ) ); + if ( len < 0 ) { + rc = len; + return rc; + } + + /* Check length */ + if ( len != sizeof ( *uuid ) ) + return -EINVAL; + + return 0; +} |