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UTF16-to UTF8 Translation

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Pirater12 2018-07-17 22:19:18 +05:30 committed by Dave Murphy
parent 18267ef6fb
commit 2c1f84406e
2 changed files with 52 additions and 10 deletions
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10
libctru/include/3ds/services/frd.h
View File

@ -93,9 +93,10 @@ Result FRD_GetMyProfile(Profile *profile);
/**
* @brief Gets the current user's screen name.
* @param name Pointer to write the current user's screen name to. 11-byte UTF-16 screen name (with null terminator)
* @param name Pointer to write the current user's screen name to.
* @param max_size Max size of the screen name.
*/
Result FRD_GetMyScreenName(u16 *name);
Result FRD_GetMyScreenName(char *name, size_t max_size);
/**
* @brief Gets the current user's Mii data.
@ -118,8 +119,9 @@ Result FRD_GetMyFavoriteGame(u64 *titleId);
/**
* @brief Gets the current user's comment on their friend profile.
* @param comment Pointer to write the current user's comment to.
* @param max_size Max size of the comment.
*/
Result FRD_GetMyComment(u16 *comment);
Result FRD_GetMyComment(char *comment, size_t max_size);
/**
* @brief Gets the current user's firend key list
@ -141,7 +143,7 @@ Result FRD_IsFromFriendList(FriendKey *friendKeyList, bool *isFromList);
* @brief Updates the game mode description string.
* @param desc Pointer to write the game mode description to.
*/
Result FRD_UpdateGameModeDescription(u16 *desc);
Result FRD_UpdateGameModeDescription(const char *desc);
/**
* @brief Returns the friend code using the given principal ID.

52
libctru/source/services/frd.c
View File

@ -4,6 +4,42 @@
static Handle frdHandle;
static int frdRefCount;
static void frdConvertToUTF8(char* out, const u16* in, size_t max)
{
if (!in || !*in)
{
out[0] = 0;
return;
}
ssize_t units = utf16_to_utf8((uint8_t*)out, in, max);
if (units < 0)
{
out[0] = 0;
return;
}
out[units] = 0;
}
static void frdConvertToUTF16(u16* out, const char* in, size_t max)
{
if (!in || !*in)
{
out[0] = 0;
return;
}
ssize_t units = utf8_to_utf16(out, (const uint8_t*)in, max-1);
if (units < 0)
{
out[0] = 0;
return;
}
out[units] = 0;
}
Result frdInit(void)
{
Result ret = 0;
@ -108,7 +144,7 @@ Result FRD_GetMyProfile(Profile *profile)
return (Result)cmdbuf[1];
}
Result FRD_GetMyScreenName(u16 *name)
Result FRD_GetMyScreenName(char *name, size_t max_size)
{
Result ret = 0;
u32 *cmdbuf = getThreadCommandBuffer();
@ -117,7 +153,7 @@ Result FRD_GetMyScreenName(u16 *name)
if (R_FAILED(ret = svcSendSyncRequest(frdHandle))) return ret;
memcpy(name, &cmdbuf[2], FRIENDS_SCREEN_NAME_SIZE); // 11-byte UTF-16 screen name (with null terminator)
frdConvertToUTF8(name, (u16*)&cmdbuf[2], max_size);
return (Result)cmdbuf[1];
}
@ -164,7 +200,7 @@ Result FRD_GetMyFavoriteGame(u64 *titleId)
return (Result)cmdbuf[1];
}
Result FRD_GetMyComment(u16 *comment)
Result FRD_GetMyComment(char *comment, size_t max_size)
{
Result ret = 0;
u32 *cmdbuf = getThreadCommandBuffer();
@ -173,7 +209,7 @@ Result FRD_GetMyComment(u16 *comment)
if (R_FAILED(ret = svcSendSyncRequest(frdHandle))) return ret;
memcpy(comment, &cmdbuf[2], FRIENDS_COMMENT_SIZE); // 16-byte UTF-16 comment
frdConvertToUTF8(comment, (u16*)&cmdbuf[2], max_size);
return (Result)cmdbuf[1];
}
@ -212,14 +248,18 @@ Result FRD_IsFromFriendList(FriendKey *friendKeyList, bool *isFromList)
return (Result)cmdbuf[1];
}
Result FRD_UpdateGameModeDescription(u16 *desc)
Result FRD_UpdateGameModeDescription(const char *desc)
{
u16 u16_desc[strlen(desc) + 1];
frdConvertToUTF16(u16_desc, desc, strlen(desc) + 1);
Result ret = 0;
u32 *cmdbuf = getThreadCommandBuffer();
cmdbuf[0] = IPC_MakeHeader(0x1D,0,2); // 0x1D0002
cmdbuf[1] = 0x400802;
cmdbuf[2] = (uintptr_t)desc;
cmdbuf[2] = (uintptr_t)u16_desc;
if (R_FAILED(ret = svcSendSyncRequest(frdHandle))) return ret;