Latest revision as of 19:18, 14 December 2024

Request

Index Word

Description

0

Header	0x00260080	Cmd	0x0026	Param	2	Xlat	0

1-2

u64, Friend Code

Index Word

Description

0

Header	0x00260080	Cmd	0x0026	Param	2	Xlat	0

1

Result code

2

bool, IsValidFriendCode

Returns whether or not the given friend code is valid. The following logic is used (everything is in little-endian byte order):

is_valid = friend_code != 0 &&

(u32)(friend_code >> 32) <= 127 &&

FRDU:PrincipalIdToFriendCode((u32)(friend_code & 0xFFFFFFFF)) == friend_code

@@ Line 1: / Line 1: @@
 =Request=
-{| class="wikitable" border="1"
+{{IPC/Request}}
-|-
+{{IPC/RequestHeader|0x0026|2|0}}
-!  Index Word
+{{IPC/RequestEntryRange|2|u64, Friend Code}}
-!  Description
+{{IPC/RequestEnd}}
-|-
-| 0
-| Header code [0x00260080]
-|-
-| 1-2
-| (u64) friend code to validate
-|}
-The friend code can be derived from the textual form of "1234-5678-9012" by stripping the slashes and then converting the string to an integer.
+=Response=
+{{IPC/Request}}
+{{#vardefine:ipc_offset|0}}
+{{IPC/RequestHeader|0x0026|2|0}}
+{{IPC/RequestEntry|Result code}}
+{{IPC/RequestEntry|bool, IsValidFriendCode}}
+{{IPC/RequestEnd}}
+=Description=
+Returns whether or not the given friend code is valid. The following logic is used (everything is in little-endian byte order):
+<code>
+is_valid = friend_code != 0 &&
-This function just calls [[FRDU:PrincipalIdToFriendCode]] with the lower half of the friend code and checks if the checksum byte returned matches the input.
+(u32)(friend_code >> 32) <= 127 &&
-=Response=
+[[FRDU:PrincipalIdToFriendCode]]((u32)(friend_code & 0xFFFFFFFF)) == friend_code
-{| class="wikitable" border="1"
+</code>
-|-
-!  Index Word
-!  Description
-|-
-| 0
-| Header code
-|-
-| 1
-| Result code
-|-
-| 2
-| 1 if the provided friend code is valid, 0 otherwise
-|}