homebrew_on_menu_plugin/src/romfs_helper.cpp

#include "romfs_helper.h"
#include "utils/logger.h"
#include "utils/StringTools.h"
#include <stdio.h>
#include <sys/dir.h>

FileInfos gFileInfos[FILE_INFO_SIZE] __attribute__((section(".data")));

void unmountRomfs(uint32_t id) {
    if(id >= FILE_INFO_SIZE) {
        return;
    }
    if(gFileInfos[id].romfsMounted) {
        char romName [10];
        snprintf(romName,10,"%08X", id);
        DEBUG_FUNCTION_LINE("Unmounting %s\n", romName);
        int res = romfsUnmount(romName);
        DEBUG_FUNCTION_LINE("res: %d\n",res);
        gFileInfos[id].romfsMounted = false;
    }
}

void unmountAllRomfs() {
    for(int i = 0; i < FILE_INFO_SIZE; i++) {
        unmountRomfs(i);
    }
}

bool mountRomfs(uint32_t id) {
    if(id >= FILE_INFO_SIZE) {
        DEBUG_FUNCTION_LINE("HANDLE WAS TOO BIG %d\n", id);
        return false;
    }
    if(!gFileInfos[id].romfsMounted) {
        char buffer [256];
        snprintf(buffer,256,"fs:/vol/external01/%s", gFileInfos[id].path);
        char romName [10];
        snprintf(romName,10,"%08X", id);
        DEBUG_FUNCTION_LINE("Mount %s as %s\n", buffer, romName);
        if(romfsMount(romName,buffer) == 0) {
            DEBUG_FUNCTION_LINE("Mounted successfully \n");
            gFileInfos[id].romfsMounted = true;
            return true;
        } else {
            DEBUG_FUNCTION_LINE("Mounting failed\n");
            return false;
        }
    }
    return true;
}




int32_t getRPXInfoForID(uint32_t id, romfs_fileInfo * info) {
    if(!mountRomfs(id)) {
        return -1;
    }
    DIR *dir;
    struct dirent *entry;
    char romName [10];
    snprintf(romName,10,"%08X", id);

    char root[12];
    snprintf(root,12,"%08X:/", id);

    if (!(dir = opendir(root))) {
        return -2;
    }
    bool found = false;
    int res = -3;
    while ((entry = readdir(dir)) != NULL) {
        if(StringTools::EndsWith(entry->d_name, ".rpx")) {
            if(romfs_GetFileInfoPerPath(romName, entry->d_name, info) >= 0) {
                found = true;
                res = 0;
            }
            break;
        }
    }

    closedir(dir);

    if(!found) {
        return -4;
    }
    return res;
}