Merge pull request #1908 from GriffinRichards/name-buffer

Automatically update nickname buffer sizes

include/battle_message.h

@@ -1,7 +1,11 @@
 #ifndef GUARD_BATTLE_MESSAGE_H
 #define GUARD_BATTLE_MESSAGE_H
 
-#define TEXT_BUFF_ARRAY_COUNT   16
+// This buffer can hold many different things. Some of the things it can hold
+// that have explicit sizes are listed below to ensure it can contain them.
+#define TEXT_BUFF_ARRAY_COUNT   max(16, \
+                                max(MOVE_NAME_LENGTH + 2, /* +2 to hold the "!" and EOS. */ \
+                                    POKEMON_NAME_LENGTH + 1))
 
 // for 0xFD
 #define B_TXT_BUFF1 0x0

include/constants/global.h

@@ -92,6 +92,7 @@
 // string lengths
 #define ITEM_NAME_LENGTH 14
 #define POKEMON_NAME_LENGTH 10
+#define POKEMON_NAME_BUFFER_SIZE max(20, POKEMON_NAME_LENGTH + 1) // Frequently used buffer size. Larger than necessary
 #define PLAYER_NAME_LENGTH 7
 #define MAIL_WORDS_COUNT 9
 #define EASY_CHAT_BATTLE_WORDS_COUNT 6

src/battle_controller_link_opponent.c

@@ -556,7 +556,7 @@ static u32 CopyLinkOpponentMonData(u8 monId, u8 *dst)
 {
     struct BattlePokemon battleMon;
     struct MovePpInfo moveData;
-    u8 nickname[20];
+    u8 nickname[POKEMON_NAME_BUFFER_SIZE];
     u8 *src;
     s16 data16;
     u32 data32;

src/battle_controller_link_partner.c

@@ -450,7 +450,7 @@ static u32 CopyLinkPartnerMonData(u8 monId, u8 *dst)
 {
     struct BattlePokemon battleMon;
     struct MovePpInfo moveData;
-    u8 nickname[20];
+    u8 nickname[POKEMON_NAME_BUFFER_SIZE];
     u8 *src;
     s16 data16;
     u32 data32;

src/battle_controller_opponent.c

@@ -561,7 +561,7 @@ static u32 GetOpponentMonData(u8 monId, u8 *dst)
 {
     struct BattlePokemon battleMon;
     struct MovePpInfo moveData;
-    u8 nickname[20];
+    u8 nickname[POKEMON_NAME_BUFFER_SIZE];
     u8 *src;
     s16 data16;
     u32 data32;

src/battle_controller_player.c

@@ -1608,7 +1608,7 @@ static u32 CopyPlayerMonData(u8 monId, u8 *dst)
 {
     struct BattlePokemon battleMon;
     struct MovePpInfo moveData;
-    u8 nickname[20];
+    u8 nickname[POKEMON_NAME_BUFFER_SIZE];
     u8 *src;
     s16 data16;
     u32 data32;

src/battle_controller_player_partner.c

@@ -634,7 +634,7 @@ static u32 CopyPlayerPartnerMonData(u8 monId, u8 *dst)
 {
     struct BattlePokemon battleMon;
     struct MovePpInfo moveData;
-    u8 nickname[20];
+    u8 nickname[POKEMON_NAME_BUFFER_SIZE];
     u8 *src;
     s16 data16;
     u32 data32;

src/battle_controller_recorded_opponent.c

@@ -542,7 +542,7 @@ static u32 CopyRecordedOpponentMonData(u8 monId, u8 *dst)
 {
     struct BattlePokemon battleMon;
     struct MovePpInfo moveData;
-    u8 nickname[20];
+    u8 nickname[POKEMON_NAME_BUFFER_SIZE];
     u8 *src;
     s16 data16;
     u32 data32;

src/battle_controller_recorded_player.c

@@ -525,7 +525,7 @@ static u32 CopyRecordedPlayerMonData(u8 monId, u8 *dst)
 {
     struct BattlePokemon battleMon;
     struct MovePpInfo moveData;
-    u8 nickname[20];
+    u8 nickname[POKEMON_NAME_BUFFER_SIZE];
     u8 *src;
     s16 data16;
     u32 data32;

src/battle_controller_wally.c

@@ -452,7 +452,7 @@ static u32 CopyWallyMonData(u8 monId, u8 *dst)
 {
     struct BattlePokemon battleMon;
     struct MovePpInfo moveData;
-    u8 nickname[20];
+    u8 nickname[POKEMON_NAME_BUFFER_SIZE];
     u8 *src;
     s16 data16;
     u32 data32;

src/battle_message.c

@@ -1323,7 +1323,8 @@ const u8 gText_Draw[] = _("{HIGHLIGHT TRANSPARENT}Draw");
 static const u8 sText_SpaceIs[] = _(" is");
 static const u8 sText_ApostropheS[] = _("'s");
 
-// For displaying names of invalid moves
+// For displaying names of invalid moves.
+// This is large enough that the text for TYPE_ELECTRIC will exceed TEXT_BUFF_ARRAY_COUNT.
 static const u8 sATypeMove_Table[NUMBER_OF_MON_TYPES][17] =
 {
     [TYPE_NORMAL]   = _("a NORMAL move"),
@@ -1472,7 +1473,7 @@ static const u16 sGrammarMoveUsedTable[] =
     MOVE_COVET, 0
 };
 
-static const u8 sDummyWeirdStatusString[] = {EOS, EOS, EOS, EOS, EOS, EOS, EOS, EOS, 0, 0};
+static const u8 sText_EmptyStatus[] = _("$$$$$$$");
 
 static const struct BattleWindowText sTextOnWindowsInfo_Normal[] =
 {
@@ -2259,10 +2260,10 @@ static const u8 *TryGetStatusString(u8 *src)
     u32 chars1, chars2;
     u8 *statusPtr;
 
-    memcpy(status, sDummyWeirdStatusString, 8);
+    memcpy(status, sText_EmptyStatus, min(ARRAY_COUNT(status), ARRAY_COUNT(sText_EmptyStatus)));
 
     statusPtr = status;
-    for (i = 0; i < 8; i++)
+    for (i = 0; i < ARRAY_COUNT(status); i++)
     {
         if (*src == EOS) break; // one line required to match -g
         *statusPtr = *src;
@@ -2304,11 +2305,16 @@ static const u8 *TryGetStatusString(u8 *src)
     StringGet_Nickname(text);                                           \
     toCpy = text;
 
+// Ensure the defined length for an item name can contain the full defined length of a berry name.
+// This ensures that custom Enigma Berry names will fit in the text buffer at the top of BattleStringExpandPlaceholders.
+STATIC_ASSERT(BERRY_NAME_LENGTH + ARRAY_COUNT(sText_BerrySuffix) <= ITEM_NAME_LENGTH, BerryNameTooLong);
+
 u32 BattleStringExpandPlaceholders(const u8 *src, u8 *dst)
 {
     u32 dstID = 0; // if they used dstID, why not use srcID as well?
     const u8 *toCpy = NULL;
-    u8 text[30];
+    // This buffer may hold either the name of a trainer, pokemon, or item.
+    u8 text[max(max(max(32, TRAINER_NAME_LENGTH + 1), POKEMON_NAME_LENGTH + 1), ITEM_NAME_LENGTH)];
     u8 multiplayerId;
     s32 i;
 
@@ -2753,7 +2759,7 @@ static void ExpandBattleTextBuffPlaceholders(const u8 *src, u8 *dst)
 {
     u32 srcID = 1;
     u32 value = 0;
-    u8 text[12];
+    u8 nickname[POKEMON_NAME_LENGTH + 1];
     u16 hword;
 
     *dst = EOS;
@@ -2793,7 +2799,7 @@ static void ExpandBattleTextBuffPlaceholders(const u8 *src, u8 *dst)
         case B_BUFF_MON_NICK_WITH_PREFIX: // poke nick with prefix
             if (GetBattlerSide(src[srcID + 1]) == B_SIDE_PLAYER)
             {
-                GetMonData(&gPlayerParty[src[srcID + 2]], MON_DATA_NICKNAME, text);
+                GetMonData(&gPlayerParty[src[srcID + 2]], MON_DATA_NICKNAME, nickname);
             }
             else
             {
@@ -2802,10 +2808,10 @@ static void ExpandBattleTextBuffPlaceholders(const u8 *src, u8 *dst)
                 else
                     StringAppend(dst, sText_WildPkmnPrefix);
 
-                GetMonData(&gEnemyParty[src[srcID + 2]], MON_DATA_NICKNAME, text);
+                GetMonData(&gEnemyParty[src[srcID + 2]], MON_DATA_NICKNAME, nickname);
             }
-            StringGet_Nickname(text);
+            StringGet_Nickname(nickname);
-            StringAppend(dst, text);
+            StringAppend(dst, nickname);
             srcID += 3;
             break;
         case B_BUFF_STAT: // stats

src/contest.c

@@ -2775,7 +2775,7 @@ static bool8 IsPlayerLinkLeader(void)
 
 void CreateContestMonFromParty(u8 partyIndex)
 {
-    u8 name[20];
+    u8 name[max(PLAYER_NAME_LENGTH + 1, POKEMON_NAME_BUFFER_SIZE)];
     u16 heldItem;
     s16 cool;
     s16 beauty;
@@ -2785,10 +2785,8 @@ void CreateContestMonFromParty(u8 partyIndex)
 
     StringCopy(name, gSaveBlock2Ptr->playerName);
     if (gLinkContestFlags & LINK_CONTEST_FLAG_IS_LINK)
-    {
         StripPlayerNameForLinkContest(name);
-    }
+    memcpy(gContestMons[gContestPlayerMonIndex].trainerName, name, PLAYER_NAME_LENGTH + 1);
-    memcpy(gContestMons[gContestPlayerMonIndex].trainerName, name, 8);
     if (gSaveBlock2Ptr->playerGender == MALE)
         gContestMons[gContestPlayerMonIndex].trainerGfxId = OBJ_EVENT_GFX_LINK_BRENDAN;
     else
@@ -6020,8 +6018,10 @@ static u8 GetMonNicknameLanguage(u8 *nickname)
     if (nickname[0] == EXT_CTRL_CODE_BEGIN && nickname[1] == EXT_CTRL_CODE_JPN)
         return GAME_LANGUAGE;
 
-    if (StringLength(nickname) < PLAYER_NAME_LENGTH - 1)
+    if (StringLength(nickname) <= 5)
     {
+        // Name is short enough that it might be Japanese.
+        // Make sure  all the character values are valid latin name characters.
         while (*nickname != EOS)
         {
             if ((*nickname >= CHAR_A && *nickname <= CHAR_z)
@@ -6039,12 +6039,18 @@ static u8 GetMonNicknameLanguage(u8 *nickname)
                 || *nickname == CHAR_DBL_QUOTE_LEFT
                 || *nickname == CHAR_DBL_QUOTE_RIGHT
                 || *nickname == CHAR_SGL_QUOTE_LEFT
-                || *nickname == CHAR_DBL_QUOTE_LEFT) // Most likely a typo, CHAR_SGL_QUOTE_RIGHT should be here instead.
+#ifdef BUGFIX
+                || *nickname == CHAR_SGL_QUOTE_RIGHT
+#else
+                || *nickname == CHAR_DBL_QUOTE_LEFT // Most likely a typo, CHAR_SGL_QUOTE_RIGHT should be here instead.
+#endif
+                )
             {
                 nickname++;
             }
             else
             {
+                // Invalid latin name character, assume the name was Japanese.
                 ret = LANGUAGE_JAPANESE;
                 break;
             }
@@ -6101,7 +6107,7 @@ void StripPlayerAndMonNamesForLinkContest(struct ContestPokemon *mon, s32 langua
     name = mon->trainerName;
     if (language == LANGUAGE_JAPANESE)
     {
-        name[PLAYER_NAME_LENGTH] = EOS;
+        name[7] = EOS;
         name[6] = name[4];
         name[5] = name[3];
         name[4] = name[2];

src/daycare.c

@@ -93,16 +93,14 @@ static const u8 sJapaneseEggNickname[] = _("タマゴ"); // "tamago" ("egg" in J
 
 u8 *GetMonNickname2(struct Pokemon *mon, u8 *dest)
 {
-    u8 nickname[POKEMON_NAME_LENGTH * 2];
+    u8 nickname[POKEMON_NAME_BUFFER_SIZE];
-
     GetMonData(mon, MON_DATA_NICKNAME, nickname);
     return StringCopy_Nickname(dest, nickname);
 }
 
 u8 *GetBoxMonNickname(struct BoxPokemon *mon, u8 *dest)
 {
-    u8 nickname[POKEMON_NAME_LENGTH * 2];
+    u8 nickname[POKEMON_NAME_BUFFER_SIZE];
-
     GetBoxMonData(mon, MON_DATA_NICKNAME, nickname);
     return StringCopy_Nickname(dest, nickname);
 }
@@ -946,12 +944,12 @@ static bool8 IsEggPending(struct DayCare *daycare)
 // gStringVar3 = first mon trainer's name
 static void _GetDaycareMonNicknames(struct DayCare *daycare)
 {
-    u8 text[12];
+    u8 otName[max(12, PLAYER_NAME_LENGTH + 1)];
     if (GetBoxMonData(&daycare->mons[0].mon, MON_DATA_SPECIES) != 0)
     {
         GetBoxMonNickname(&daycare->mons[0].mon, gStringVar1);
-        GetBoxMonData(&daycare->mons[0].mon, MON_DATA_OT_NAME, text);
+        GetBoxMonData(&daycare->mons[0].mon, MON_DATA_OT_NAME, otName);
-        StringCopy(gStringVar3, text);
+        StringCopy(gStringVar3, otName);
     }
 
     if (GetBoxMonData(&daycare->mons[1].mon, MON_DATA_SPECIES) != 0)
@@ -1146,7 +1144,7 @@ static u8 *AppendMonGenderSymbol(u8 *name, struct BoxPokemon *boxMon)
 
 static void GetDaycareLevelMenuText(struct DayCare *daycare, u8 *dest)
 {
-    u8 monNames[DAYCARE_MON_COUNT][20];
+    u8 monNames[DAYCARE_MON_COUNT][POKEMON_NAME_BUFFER_SIZE];
     u8 i;
 
     *dest = EOS;
@@ -1204,8 +1202,7 @@ static void DaycareAddTextPrinter(u8 windowId, const u8 *text, u32 x, u32 y)
 
 static void DaycarePrintMonNickname(struct DayCare *daycare, u8 windowId, u32 daycareSlotId, u32 y)
 {
-    u8 nickname[POKEMON_NAME_LENGTH * 2];
+    u8 nickname[POKEMON_NAME_BUFFER_SIZE];
-
     GetBoxMonNickname(&daycare->mons[daycareSlotId].mon, nickname);
     AppendMonGenderSymbol(nickname, &daycare->mons[daycareSlotId].mon);
     DaycareAddTextPrinter(windowId, nickname, 8, y);

src/egg_hatch.c

@@ -399,7 +399,7 @@ void ScriptHatchMon(void)
 
 static bool8 _CheckDaycareMonReceivedMail(struct DayCare *daycare, u8 daycareId)
 {
-    u8 nickname[32];
+    u8 nickname[max(32, POKEMON_NAME_BUFFER_SIZE)];
     struct DaycareMon *daycareMon = &daycare->mons[daycareId];
 
     GetBoxMonNickname(&daycareMon->mon, nickname);

src/evolution_scene.c

@@ -208,7 +208,7 @@ void BeginEvolutionScene(struct Pokemon *mon, u16 postEvoSpecies, bool8 canStopE
 
 void EvolutionScene(struct Pokemon *mon, u16 postEvoSpecies, bool8 canStopEvo, u8 partyId)
 {
-    u8 name[20];
+    u8 name[POKEMON_NAME_BUFFER_SIZE];
     u16 currSpecies;
     u32 trainerId, personality;
     const struct CompressedSpritePalette* pokePal;
@@ -467,7 +467,7 @@ static void CB2_TradeEvolutionSceneLoadGraphics(void)
 
 void TradeEvolutionScene(struct Pokemon *mon, u16 postEvoSpecies, u8 preEvoSpriteId, u8 partyId)
 {
-    u8 name[20];
+    u8 name[POKEMON_NAME_BUFFER_SIZE];
     u16 currSpecies;
     u32 trainerId, personality;
     const struct CompressedSpritePalette* pokePal;
@@ -775,8 +775,7 @@ static void Task_EvolutionScene(u8 taskId)
             var = MonTryLearningNewMove(mon, gTasks[taskId].tLearnsFirstMove);
             if (var != MOVE_NONE && !gTasks[taskId].tEvoWasStopped)
             {
-                u8 text[20];
+                u8 nickname[POKEMON_NAME_BUFFER_SIZE];
-
                 if (!(gTasks[taskId].tBits & TASK_BIT_LEARN_MOVE))
                 {
                     StopMapMusic();
@@ -786,8 +785,8 @@ static void Task_EvolutionScene(u8 taskId)
                 gTasks[taskId].tBits |= TASK_BIT_LEARN_MOVE;
                 gTasks[taskId].tLearnsFirstMove = FALSE;
                 gTasks[taskId].tLearnMoveState = MVSTATE_INTRO_MSG_1;
-                GetMonData(mon, MON_DATA_NICKNAME, text);
+                GetMonData(mon, MON_DATA_NICKNAME, nickname);
-                StringCopy_Nickname(gBattleTextBuff1, text);
+                StringCopy_Nickname(gBattleTextBuff1, nickname);
 
                 if (var == MON_HAS_MAX_MOVES)
                     gTasks[taskId].tState = EVOSTATE_REPLACE_MOVE;
@@ -1195,13 +1194,12 @@ static void Task_TradeEvolutionScene(u8 taskId)
             var = MonTryLearningNewMove(mon, gTasks[taskId].tLearnsFirstMove);
             if (var != MOVE_NONE && !gTasks[taskId].tEvoWasStopped)
             {
-                u8 text[20];
+                u8 nickname[POKEMON_NAME_BUFFER_SIZE];
-
                 gTasks[taskId].tBits |= TASK_BIT_LEARN_MOVE;
                 gTasks[taskId].tLearnsFirstMove = FALSE;
                 gTasks[taskId].tLearnMoveState = 0;
-                GetMonData(mon, MON_DATA_NICKNAME, text);
+                GetMonData(mon, MON_DATA_NICKNAME, nickname);
-                StringCopy_Nickname(gBattleTextBuff1, text);
+                StringCopy_Nickname(gBattleTextBuff1, nickname);
 
                 if (var == MON_HAS_MAX_MOVES)
                     gTasks[taskId].tState = T_EVOSTATE_REPLACE_MOVE;

src/hall_of_fame.c

@@ -44,7 +44,7 @@ struct HallofFameMon
     u32 personality;
     u16 species:9;
     u16 lvl:7;
-    u8 nick[POKEMON_NAME_LENGTH];
+    u8 nickname[POKEMON_NAME_LENGTH];
 };
 
 struct HallofFameTeam
@@ -338,7 +338,7 @@ static const struct HallofFameMon sDummyFameMon =
     .personality = 0,
     .species = SPECIES_NONE,
     .lvl = 0,
-    .nick = {0}
+    .nickname = {0}
 };
 
 // Unused, order of party slots on Hall of Fame screen
@@ -442,18 +442,16 @@ static void Task_Hof_InitMonData(u8 taskId)
 
     for (i = 0; i < PARTY_SIZE; i++)
     {
-        u8 nick[POKEMON_NAME_LENGTH + 2];
+        u8 nickname[POKEMON_NAME_LENGTH + 1];
         if (GetMonData(&gPlayerParty[i], MON_DATA_SPECIES))
         {
             sHofMonPtr->mon[i].species = GetMonData(&gPlayerParty[i], MON_DATA_SPECIES_OR_EGG);
             sHofMonPtr->mon[i].tid = GetMonData(&gPlayerParty[i], MON_DATA_OT_ID);
             sHofMonPtr->mon[i].personality = GetMonData(&gPlayerParty[i], MON_DATA_PERSONALITY);
             sHofMonPtr->mon[i].lvl = GetMonData(&gPlayerParty[i], MON_DATA_LEVEL);
-            GetMonData(&gPlayerParty[i], MON_DATA_NICKNAME, nick);
+            GetMonData(&gPlayerParty[i], MON_DATA_NICKNAME, nickname);
             for (j = 0; j < POKEMON_NAME_LENGTH; j++)
-            {
+                sHofMonPtr->mon[i].nickname[j] = nickname[j];
-                sHofMonPtr->mon[i].nick[j] = nick[j];
-            }
             gTasks[taskId].tMonNumber++;
         }
         else
@@ -462,7 +460,7 @@ static void Task_Hof_InitMonData(u8 taskId)
             sHofMonPtr->mon[i].tid = 0;
             sHofMonPtr->mon[i].personality = 0;
             sHofMonPtr->mon[i].lvl = 0;
-            sHofMonPtr->mon[i].nick[0] = EOS;
+            sHofMonPtr->mon[i].nickname[0] = EOS;
         }
     }
 
@@ -1115,7 +1113,7 @@ static void HallOfFame_PrintWelcomeText(u8 unusedPossiblyWindowId, u8 unused2)
 
 static void HallOfFame_PrintMonInfo(struct HallofFameMon* currMon, u8 unused1, u8 unused2)
 {
-    u8 text[30];
+    u8 text[max(32, POKEMON_NAME_LENGTH + 1)];
     u8 *stringPtr;
     s32 dexNumber;
     s32 width;
@@ -1148,8 +1146,8 @@ static void HallOfFame_PrintMonInfo(struct HallofFameMon* currMon, u8 unused1, u
         AddTextPrinterParameterized3(0, FONT_NORMAL, 0x10, 1, sMonInfoTextColors, TEXT_SKIP_DRAW, text);
     }
 
-    // nick, species names, gender and level
+    // nickname, species names, gender and level
-    memcpy(text, currMon->nick, POKEMON_NAME_LENGTH);
+    memcpy(text, currMon->nickname, POKEMON_NAME_LENGTH);
     text[POKEMON_NAME_LENGTH] = EOS;
     if (currMon->species == SPECIES_EGG)
     {

src/menu_specialized.c

@@ -918,7 +918,7 @@ static u8 *GetConditionMenuMonString(u8 *dst, u16 boxId, u16 monId)
     *(dst++) = TEXT_COLOR_TRANSPARENT;
     *(dst++) = TEXT_COLOR_LIGHT_BLUE;
     if (GetBoxOrPartyMonData(box, mon, MON_DATA_IS_EGG, NULL))
-        return StringCopyPadded(dst, gText_EggNickname, 0, 12);
+        return StringCopyPadded(dst, gText_EggNickname, 0, POKEMON_NAME_LENGTH + 2);
     GetBoxOrPartyMonData(box, mon, MON_DATA_NICKNAME, dst);
     StringGet_Nickname(dst);
     species = GetBoxOrPartyMonData(box, mon, MON_DATA_SPECIES, NULL);
@@ -1020,7 +1020,7 @@ void GetConditionMenuMonNameAndLocString(u8 *locationDst, u8 *nameDst, u16 boxId
         locationDst[3] = TEXT_COLOR_TRANSPARENT;
         locationDst[4] = TEXT_COLOR_LIGHT_BLUE;
         if (box == TOTAL_BOXES_COUNT) // Party mon.
-            BufferConditionMenuSpacedStringN(&locationDst[5], gText_InParty, 8);
+            BufferConditionMenuSpacedStringN(&locationDst[5], gText_InParty, BOX_NAME_LENGTH);
         else
             BufferConditionMenuSpacedStringN(&locationDst[5], GetBoxNamePtr(box), BOX_NAME_LENGTH);
     }
@@ -1029,7 +1029,7 @@ void GetConditionMenuMonNameAndLocString(u8 *locationDst, u8 *nameDst, u16 boxId
         for (i = 0; i < POKEMON_NAME_LENGTH + 2; i++)
             nameDst[i] = CHAR_SPACE;
         nameDst[i] = EOS;
-        for (i = 0; i < 8; i++)
+        for (i = 0; i < BOX_NAME_LENGTH; i++)
             locationDst[i] = CHAR_SPACE;
         locationDst[i] = EOS;
     }

src/pokemon.c

@@ -2406,7 +2406,7 @@ void CreateMonWithEVSpread(struct Pokemon *mon, u16 species, u8 level, u8 fixedI
 void CreateBattleTowerMon(struct Pokemon *mon, struct BattleTowerPokemon *src)
 {
     s32 i;
-    u8 nickname[30];
+    u8 nickname[max(32, POKEMON_NAME_BUFFER_SIZE)];
     u8 language;
     u8 value;
 
@@ -2460,7 +2460,7 @@ void CreateBattleTowerMon(struct Pokemon *mon, struct BattleTowerPokemon *src)
 void CreateBattleTowerMon_HandleLevel(struct Pokemon *mon, struct BattleTowerPokemon *src, bool8 lvl50)
 {
     s32 i;
-    u8 nickname[30];
+    u8 nickname[max(32, POKEMON_NAME_BUFFER_SIZE)];
     u8 level;
     u8 language;
     u8 value;
@@ -4629,7 +4629,7 @@ void CopyPlayerPartyMonToBattleData(u8 battlerId, u8 partyIndex)
 {
     u16 *hpSwitchout;
     s32 i;
-    u8 nickname[POKEMON_NAME_LENGTH * 2];
+    u8 nickname[POKEMON_NAME_BUFFER_SIZE];
 
     gBattleMons[battlerId].species = GetMonData(&gPlayerParty[partyIndex], MON_DATA_SPECIES, NULL);
     gBattleMons[battlerId].item = GetMonData(&gPlayerParty[partyIndex], MON_DATA_HELD_ITEM, NULL);

src/pokenav_conditions.c

@@ -348,7 +348,7 @@ static u8 *CopyConditionMonNameGender(u8 *str, u16 listId, bool8 skipPadding)
     *(str++) = TEXT_COLOR_LIGHT_BLUE;
 
     if (GetBoxOrPartyMonData(boxId, monId, MON_DATA_IS_EGG, NULL))
-        return StringCopyPadded(str, gText_EggNickname, CHAR_SPACE, 12);
+        return StringCopyPadded(str, gText_EggNickname, CHAR_SPACE, POKEMON_NAME_LENGTH + 2);
 
     GetBoxOrPartyMonData(boxId, monId, MON_DATA_NICKNAME, str);
     StringGet_Nickname(str);
@@ -445,7 +445,7 @@ static void CopyMonNameGenderLocation(s16 listId, u8 loadId)
     }
     else
     {
-        for (i = 0; i < 12; i++)
+        for (i = 0; i < POKEMON_NAME_LENGTH + 2; i++)
             menu->nameText[loadId][i] = CHAR_SPACE;
         menu->nameText[loadId][i] = EOS;
 

src/trade.c

@@ -1864,7 +1864,7 @@ static void SetSelectedMon(u8 cursorPosition)
 static void DrawSelectedMonScreen(u8 whichParty)
 {
     s8 nameStringWidth;
-    u8 nickname[20];
+    u8 nickname[POKEMON_NAME_BUFFER_SIZE];
     u8 movesString[56];
     u8 i;
     u8 partyIdx;
@@ -1950,7 +1950,7 @@ static void DrawSelectedMonScreen(u8 whichParty)
 
 static u8 GetMonNicknameWidth(u8 *str, u8 whichParty, u8 partyIdx)
 {
-    u8 nickname[POKEMON_NAME_LENGTH];
+    u8 nickname[POKEMON_NAME_LENGTH + 1];
 
     if (whichParty == TRADE_PLAYER)
         GetMonData(&gPlayerParty[partyIdx], MON_DATA_NICKNAME, nickname);
@@ -2006,8 +2006,8 @@ static void PrintPartyMonNickname(u8 whichParty, u8 windowId, u8 *nickname)
 static void PrintPartyNicknames(u8 whichParty)
 {
     u8 i;
-    u8 nickname[20];
+    u8 nickname[POKEMON_NAME_BUFFER_SIZE];
-    u8 str[32];
+    u8 str[max(32, POKEMON_NAME_BUFFER_SIZE)];
     struct Pokemon *party = (whichParty == TRADE_PLAYER) ? gPlayerParty : gEnemyParty;
 
     for (i = 0; i < sTradeMenu->partyCounts[whichParty]; i++)
@@ -2023,7 +2023,7 @@ static void PrintLevelAndGender(u8 whichParty, u8 monIdx, u8 x, u8 y, u8 width,
     u8 level;
     u32 symbolTile;
     u8 gender;
-    u8 nickname[POKEMON_NAME_LENGTH];
+    u8 nickname[POKEMON_NAME_LENGTH + 1];
 
     CopyToBgTilemapBufferRect_ChangePalette(1, gTradeMenuMonBox_Tilemap, width, height, 6, 3, 0);
     CopyBgTilemapBufferToVram(1);
@@ -3330,7 +3330,7 @@ static void LoadTradeSequenceSpriteSheetsAndPalettes(void)
 static void BufferTradeSceneStrings(void)
 {
     u8 mpId;
-    u8 name[20];
+    u8 name[POKEMON_NAME_BUFFER_SIZE];
     const struct InGameTrade *ingameTrade;
 
     if (sTradeAnim->isLinkTrade)
@@ -4539,7 +4539,7 @@ u16 GetInGameTradeSpeciesInfo(void)
 
 static void BufferInGameTradeMonName(void)
 {
-    u8 nickname[32];
+    u8 nickname[max(32, POKEMON_NAME_BUFFER_SIZE)];
     const struct InGameTrade *inGameTrade = &sIngameTrades[gSpecialVar_0x8004];
     GetMonData(&gPlayerParty[gSpecialVar_0x8005], MON_DATA_NICKNAME, nickname);
     StringCopy_Nickname(gStringVar1, nickname);