show key error upon mounting mmc and fix small files in hex view

Author: suchmememanyskill

source/fs/menus/filemenu.c

@@ -130,7 +130,7 @@ void HexView(char *path, FSEntry_t entry){
         hidRead();
 
     gfx_clearscreen();
-    print = malloc(2048);
+    print = calloc(2048, 1);
 
     if ((res = f_open(&in, filePath, FA_READ | FA_OPEN_EXISTING))){
         DrawError(newErrCode(res));
@@ -146,7 +146,7 @@ void HexView(char *path, FSEntry_t entry){
         }
 
         gfx_con_setpos(0, 31);
-        gfx_hexdump(offset * 32, print, size);
+        gfx_hexdump(offset * 32, print, ((size + 31) / 32) * 32);
 
         input = hidRead();
 

source/storage/emmcfile.c

@@ -171,7 +171,7 @@ ErrCode_t DumpOrWriteEmmcPart(const char *path, const char *part, u8 write, u8 f
         if (!system_part)
             return newErrCode(TE_ERR_PARTITION_NOT_FOUND);
 
-        if (isSystemPartCrypt(system_part)){
+        if (isSystemPartCrypt(system_part) && TConf.keysDumped){
             nx_emmc_bis_init(system_part);
             crypt = true;
             lba_start = 0;

source/storage/gptmenu.c

@@ -108,18 +108,16 @@ void GptMenu(u8 MMCType){
         }
         else if (entries[res].icon == 127){
             unmountMMCPart();
-            ErrCode_t err = mountMMCPart(entries[res].name);
+            ErrCode_t err = (TConf.keysDumped) ? mountMMCPart(entries[res].name) : newErrCode(TE_ERR_KEYDUMP_FAIL);
             if (err.err){
                 DrawError(err);
             }
             else {
-                if (TConf.keysDumped){
-                    if (TConf.curExplorerLoc > LOC_SD)
-                        ResetCopyParams();
+                if (TConf.curExplorerLoc > LOC_SD)
+                    ResetCopyParams();
 
-                    TConf.curExplorerLoc = LOC_EMMC;
-                    FileExplorer("bis:/");
-                }
+                TConf.curExplorerLoc = LOC_EMMC;
+                FileExplorer("bis:/");
             }
         }
         else {