Finally include romfs opening code

Makefile

@@ -38,7 +38,7 @@ INCLUDES	:=	inc
 EXEFS_SRC	:=	exefs_src
 APP_TITLE   :=  JKSV
 APP_AUTHOR  :=  JK
-APP_VERSION :=  04.17.2019
+APP_VERSION :=  04.18.2019
 ROMFS	    :=	romfs
 
 #---------------------------------------------------------------------------------

README.MD

@@ -17,6 +17,8 @@ JKSV on Switch started as a small project/port to test some things and get famil
     * Ability to remove downloaded firmware updates from NAND.
     * Terminating processes by [ID](https://switchbrew.org/wiki/Title_list#System_Modules). Allowing you to dump normally unopenable system archives.
     * Mount by System Save [ID](https://switchbrew.org/wiki/Flash_Filesystem#System_Savegames). Normally used when the terminated process makes JKSV unable to rescan titles without the Switch crashing.
+	* Mount and open RomFS of process the homebrew menu takes over (if launched as NRO)
+		* Hold R while opening a game or applet with Atmosphere so the homebrew menu loads. Open JKSV and press minus and select **Mount Process RomFS**. The romfs of the app should appear in the browser along with your SD on the right.
 
 # Building:
 1. Requires [devkitPro](https://devkitpro.org/) and [libnx](https://github.com/switchbrew/libnx)

inc/ex.h

@@ -0,0 +1,17 @@
+#ifndef EX_H
+#define EX_H
+
+#include <switch.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+Result fsOpenDataFileSystemByCurrentProcess(FsFileSystem *out);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // EX_H

src/ex.c

@@ -0,0 +1,38 @@
+#include <switch.h>
+
+#include "ex.h"
+
+Result fsOpenDataFileSystemByCurrentProcess(FsFileSystem *out)
+{
+    Result ret = 0;
+
+    IpcCommand c;
+    ipcInitialize(&c);
+    struct
+    {
+        uint64_t mag;
+        uint64_t cmd;
+    } *raw = serviceIpcPrepareHeader(fsGetServiceSession(), &c, sizeof(*raw));
+    raw->mag = SFCI_MAGIC;
+    raw->cmd = 2;
+
+    ret = serviceIpcDispatch(fsGetServiceSession());
+    if(R_SUCCEEDED(ret))
+    {
+        IpcParsedCommand p;
+        struct
+        {
+            uint64_t mag;
+            uint64_t res;
+        } *resp;
+
+        serviceIpcParse(fsGetServiceSession(), &p, sizeof(*resp));
+        resp = p.Raw;
+
+        ret = resp->res;
+        if(R_SUCCEEDED(ret))
+            serviceCreateSubservice(&out->s, fsGetServiceSession(), &p, 0);
+    }
+
+    return ret;
+}

src/main.cpp

@@ -19,9 +19,6 @@ extern "C"
         nsInitialize();
         setsysInitialize();
         accountInitialize();
-
-        void *add = NULL;
-        svcSetHeapSize(&add, 0x12000000);
     }
 
     void userAppExit(void)

src/ui.cpp

@@ -11,7 +11,7 @@
 #include "util.h"
 #include "file.h"
 
-#define VER_STRING "v. 04.17.2019"
+#define VER_STRING "v. 04.18.2019"
 
 //background that can be drawn from "/JKSV/back.jpg"
 //txtSide and fldSide are to fake alpha blending so the framerate doesn't suffer

src/ui/advmode.cpp

@@ -490,6 +490,8 @@ namespace ui
         {
             if(prevState == EX_MNU)
                 mstate = EX_MNU;
+            else if(prevState == TTL_SEL)
+                mstate = TTL_SEL;
             else if(ui::clsMode)
                 mstate = CLS_FLD;
             else

src/ui/clsui.cpp

@@ -9,6 +9,7 @@
 #include "data.h"
 #include "file.h"
 #include "util.h"
+#include "ex.h"
 
 static ui::menu userMenu, titleMenu, devMenu;
 extern ui::menu folderMenu;
@@ -253,6 +254,7 @@ namespace ui
         devMenu.addOpt("Remove Downloaded Update");
         devMenu.addOpt("Terminate Process ID");
         devMenu.addOpt("Mount System Save ID");
+        devMenu.addOpt("Mount Process RomFS");
     }
 
     void updateExMenu(const uint64_t& down, const uint64_t& held, const touchPosition& p)
@@ -467,6 +469,21 @@ namespace ui
                         }
                     }
                     break;
+
+                case 10:
+                    {
+                        fsdevUnmountDevice("sv");
+                        FsFileSystem tromfs;
+                        Result res = fsOpenDataFileSystemByCurrentProcess(&tromfs);
+                        if(R_SUCCEEDED(res))
+                        {
+                            fsdevMountDevice("tromfs", tromfs);
+                            advModePrep("tromfs:/", false);
+                            data::curData.setType(FsSaveDataType_SystemSaveData);
+                            ui::mstate = ADV_MDE;
+                            ui::prevState = EX_MNU;
+                        }
+                    }
             }
         }
         else if(down & KEY_B)

src/ui/ttlsel.cpp

@@ -7,6 +7,7 @@
 #include "uiupdate.h"
 #include "file.h"
 #include "util.h"
+#include "ex.h"
 
 extern std::vector<ui::button> ttlNav;