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Improve APIs for detecting the current country #597

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162 changes: 157 additions & 5 deletions libctru/include/3ds/services/cfgu.h
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,152 @@ typedef enum
CFG_MODEL_N2DSXL = 5, ///< New 2DS XL (JAN)
} CFG_SystemModel;

/// Configuration country values.
typedef enum
{
CFG_COUNTRY_JP = 1,
CFG_COUNTRY_AI = 8,
CFG_COUNTRY_AG = 9,
CFG_COUNTRY_AR = 10,
CFG_COUNTRY_AW = 11,
CFG_COUNTRY_BS = 12,
CFG_COUNTRY_BB = 13,
CFG_COUNTRY_BZ = 14,
CFG_COUNTRY_BO = 15,
CFG_COUNTRY_BR = 16,
CFG_COUNTRY_VG = 17,
CFG_COUNTRY_CA = 18,
CFG_COUNTRY_KY = 19,
CFG_COUNTRY_CL = 20,
CFG_COUNTRY_CO = 21,
CFG_COUNTRY_CR = 22,
CFG_COUNTRY_DM = 23,
CFG_COUNTRY_DO = 24,
CFG_COUNTRY_EC = 25,
CFG_COUNTRY_SV = 26,
CFG_COUNTRY_GF = 27,
CFG_COUNTRY_GD = 28,
CFG_COUNTRY_GP = 29,
CFG_COUNTRY_GT = 30,
CFG_COUNTRY_GY = 31,
CFG_COUNTRY_HT = 32,
CFG_COUNTRY_HN = 33,
CFG_COUNTRY_JM = 34,
CFG_COUNTRY_MQ = 35,
CFG_COUNTRY_MX = 36,
CFG_COUNTRY_MS = 37,
CFG_COUNTRY_AN = 38,
CFG_COUNTRY_NI = 39,
CFG_COUNTRY_PA = 40,
CFG_COUNTRY_PY = 41,
CFG_COUNTRY_PE = 42,
CFG_COUNTRY_KN = 43,
CFG_COUNTRY_LC = 44,
CFG_COUNTRY_VC = 45,
CFG_COUNTRY_SR = 46,
CFG_COUNTRY_TT = 47,
CFG_COUNTRY_TC = 48,
CFG_COUNTRY_US = 49,
CFG_COUNTRY_UY = 50,
CFG_COUNTRY_VI = 51,
CFG_COUNTRY_VE = 52,
CFG_COUNTRY_AL = 64,
CFG_COUNTRY_AU = 65,
CFG_COUNTRY_AT = 66,
CFG_COUNTRY_BE = 67,
CFG_COUNTRY_BA = 68,
CFG_COUNTRY_BW = 69,
CFG_COUNTRY_BG = 70,
CFG_COUNTRY_HR = 71,
CFG_COUNTRY_CY = 72,
CFG_COUNTRY_CZ = 73,
CFG_COUNTRY_DK = 74,
CFG_COUNTRY_EE = 75,
CFG_COUNTRY_FI = 76,
CFG_COUNTRY_FR = 77,
CFG_COUNTRY_DE = 78,
CFG_COUNTRY_GR = 79,
CFG_COUNTRY_HU = 80,
CFG_COUNTRY_IS = 81,
CFG_COUNTRY_IE = 82,
CFG_COUNTRY_IT = 83,
CFG_COUNTRY_LV = 84,
CFG_COUNTRY_LS = 85,
CFG_COUNTRY_LI = 86,
CFG_COUNTRY_LT = 87,
CFG_COUNTRY_LU = 88,
CFG_COUNTRY_MK = 89,
CFG_COUNTRY_MT = 90,
CFG_COUNTRY_ME = 91,
CFG_COUNTRY_MZ = 92,
CFG_COUNTRY_NA = 93,
CFG_COUNTRY_NL = 94,
CFG_COUNTRY_NZ = 95,
CFG_COUNTRY_NO = 96,
CFG_COUNTRY_PL = 97,
CFG_COUNTRY_PT = 98,
CFG_COUNTRY_RO = 99,
CFG_COUNTRY_RU = 100,
CFG_COUNTRY_RS = 101,
CFG_COUNTRY_SK = 102,
CFG_COUNTRY_SI = 103,
CFG_COUNTRY_ZA = 104,
CFG_COUNTRY_ES = 105,
CFG_COUNTRY_SZ = 106,
CFG_COUNTRY_SE = 107,
CFG_COUNTRY_CH = 108,
CFG_COUNTRY_TR = 109,
CFG_COUNTRY_GB = 110,
CFG_COUNTRY_ZM = 111,
CFG_COUNTRY_ZW = 112,
CFG_COUNTRY_AZ = 113,
CFG_COUNTRY_MR = 114,
CFG_COUNTRY_ML = 115,
CFG_COUNTRY_NE = 116,
CFG_COUNTRY_TD = 117,
CFG_COUNTRY_SD = 118,
CFG_COUNTRY_ER = 119,
CFG_COUNTRY_DJ = 120,
CFG_COUNTRY_SO = 121,
CFG_COUNTRY_AD = 122,
CFG_COUNTRY_GI = 123,
CFG_COUNTRY_GG = 124,
CFG_COUNTRY_IM = 125,
CFG_COUNTRY_JE = 126,
CFG_COUNTRY_MC = 127,
CFG_COUNTRY_TW = 128,
CFG_COUNTRY_KR = 136,
CFG_COUNTRY_HK = 144,
CFG_COUNTRY_MO = 145,
CFG_COUNTRY_ID = 152,
CFG_COUNTRY_SG = 153,
CFG_COUNTRY_TH = 154,
CFG_COUNTRY_PH = 155,
CFG_COUNTRY_MY = 156,
CFG_COUNTRY_CN = 160,
CFG_COUNTRY_AE = 168,
CFG_COUNTRY_IN = 169,
CFG_COUNTRY_EG = 170,
CFG_COUNTRY_OM = 171,
CFG_COUNTRY_QA = 172,
CFG_COUNTRY_KW = 173,
CFG_COUNTRY_SA = 174,
CFG_COUNTRY_SY = 175,
CFG_COUNTRY_BH = 176,
CFG_COUNTRY_JO = 177,
CFG_COUNTRY_SM = 184,
CFG_COUNTRY_VA = 185,
CFG_COUNTRY_BM = 186,
} CFG_Country;

// Configuration country info structure.
typedef struct
{
u8 unk[2];
u8 state;
u8 country;
} CFG_CountryInfo;

/// Initializes CFGU.
Result cfguInit(void);

Expand Down Expand Up @@ -85,17 +231,17 @@ Result CFGU_GetModelNintendo2DS(u8* value);

/**
* @brief Gets a string representing a country code.
* @param code Country code to use.
* @param string Pointer to output the string to.
* @param code Country code to use. (see @ref CFG_Country)
* @param string Pointer to output the string to. (must contain at least 2 bytes)
*/
Result CFGU_GetCountryCodeString(u16 code, u16* string);
Result CFGU_GetCountryCodeString(u16 code, char *string);

/**
* @brief Gets a country code ID from its string.
* @param string String to use.
* @param code Pointer to output the country code to.
* @param code Pointer to output the country code to. (see @ref CFG_Country)
*/
Result CFGU_GetCountryCodeID(u16 string, u16* code);
Result CFGU_GetCountryCodeID(const char *string, u16* code);

/**
* @brief Checks if NFC (code name: fangate) is supported.
Expand Down Expand Up @@ -155,6 +301,12 @@ Result CFG_UpdateConfigSavegame(void);
*/
Result CFGU_GetSystemLanguage(u8* language);

/**
* @brief Gets the system's country info.
* @param language Pointer to write the country info to. (see @ref CFG_CountryInfo)
*/
Result CFGU_GetSystemCountryInfo(CFG_CountryInfo* country);

/**
* @brief Deletes the NAND LocalFriendCodeSeed file, then recreates it using the LocalFriendCodeSeed data stored in memory.
*/
Expand Down
17 changes: 13 additions & 4 deletions libctru/source/services/cfgu.c
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
#include <stdlib.h>
#include <string.h>
#include <3ds/types.h>
#include <3ds/result.h>
#include <3ds/svc.h>
Expand All @@ -10,6 +11,8 @@
static Handle cfguHandle;
static int cfguRefCount;

#define MIN(x,y) ((x) > (y) ? (y) : (x))

Result cfguInit(void)
{
Result ret;
Expand Down Expand Up @@ -103,7 +106,7 @@ Result CFGU_GetModelNintendo2DS(u8* value)
return (Result)cmdbuf[1];
}

Result CFGU_GetCountryCodeString(u16 code, u16* string)
Result CFGU_GetCountryCodeString(u16 code, char* string)
{
Result ret = 0;
u32 *cmdbuf = getThreadCommandBuffer();
Expand All @@ -113,18 +116,19 @@ Result CFGU_GetCountryCodeString(u16 code, u16* string)

if(R_FAILED(ret = svcSendSyncRequest(cfguHandle)))return ret;

*string = (u16)cmdbuf[2] & 0xFFFF;
memcpy(string, &cmdbuf[2], 2);

return (Result)cmdbuf[1];
}

Result CFGU_GetCountryCodeID(u16 string, u16* code)
Result CFGU_GetCountryCodeID(const char* string, u16* code)
{
Result ret = 0;
u32 *cmdbuf = getThreadCommandBuffer();

cmdbuf[0] = IPC_MakeHeader(0xA,1,0); // 0xA0040
cmdbuf[1] = (u32)string;
cmdbuf[1] = 0;
memcpy(&cmdbuf[1], string, MIN(strnlen(string, 2), 2));

if(R_FAILED(ret = svcSendSyncRequest(cfguHandle)))return ret;

Expand Down Expand Up @@ -246,6 +250,11 @@ Result CFGU_GetSystemLanguage(u8* language)
return CFGU_GetConfigInfoBlk2(1, 0xA0002, language);
}

Result CFGU_GetSystemCountryInfo(CFG_CountryInfo* country)
{
return CFGU_GetConfigInfoBlk2(4, 0xB0000, country);
}

Result CFGI_RestoreLocalFriendCodeSeed(void)
{
Result ret = 0;
Expand Down