usbloadergx/source/homebrewboot/HomebrewFiles.cpp

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/****************************************************************************
* HomebrewFiles Class
* for USB Loader GX
***************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/dirent.h>
#include "HomebrewFiles.h"
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HomebrewFiles::HomebrewFiles(const char * path)
{
filecount = 0;
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FileInfo = (FileInfos *) malloc(sizeof(FileInfos));
if (!FileInfo)
{
return;
}
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memset(&FileInfo[filecount], 0, sizeof(FileInfos));
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this->LoadPath(path);
this->SortList();
}
HomebrewFiles::~HomebrewFiles()
{
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if (FileInfo)
{
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free(FileInfo);
FileInfo = NULL;
}
}
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bool HomebrewFiles::LoadPath(const char * folderpath)
{
struct stat st;
DIR *dir = NULL;
struct dirent *dirent = NULL;
char filename[1024];
dir = opendir(folderpath);
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if (dir == NULL)
{
return false;
}
while ((dirent = readdir(dir)) != 0)
{
snprintf(filename, 1024, "%s/%s", folderpath, dirent->d_name);
if(stat(filename, &st) != 0)
continue;
snprintf(filename, 1024, dirent->d_name);
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if ((st.st_mode & S_IFDIR) != 0)
{
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if (strcmp(filename, ".") != 0 && strcmp(filename, "..") != 0)
{
char currentname[200];
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snprintf(currentname, sizeof(currentname), "%s%s/", folderpath, filename);
this->LoadPath(currentname);
}
}
else
{
char temp[5];
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for (int i = 0; i < 5; i++)
{
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temp[i] = filename[strlen(filename) - 4 + i];
}
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if ((strncasecmp(temp, ".dol", 4) == 0 || strncasecmp(temp, ".elf", 4) == 0) && filecount < MAXHOMEBREWS
&& filename[0] != '.')
{
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FileInfo = (FileInfos *) realloc(FileInfo, (filecount + 1) * sizeof(FileInfos));
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if (!FileInfo)
{
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free(FileInfo);
FileInfo = NULL;
filecount = 0;
closedir(dir);
return false;
}
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memset(&(FileInfo[filecount]), 0, sizeof(FileInfo));
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strlcpy(FileInfo[filecount].FilePath, folderpath, sizeof(FileInfo[filecount].FilePath));
strlcpy(FileInfo[filecount].FileName, filename, sizeof(FileInfo[filecount].FileName));
FileInfo[filecount].FileSize = st.st_size;
filecount++;
}
}
}
closedir(dir);
return true;
}
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char * HomebrewFiles::GetFilename(int ind)
{
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if (ind > filecount)
return NULL;
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else return FileInfo[ind].FileName;
}
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char * HomebrewFiles::GetFilepath(int ind)
{
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if (ind > filecount)
return NULL;
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else return FileInfo[ind].FilePath;
}
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unsigned int HomebrewFiles::GetFilesize(int ind)
{
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if (ind > filecount || !filecount || !FileInfo)
return 0;
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else return FileInfo[ind].FileSize;
}
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static int ListCompare(const void *a, const void *b)
{
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FileInfos *ab = (FileInfos*) a;
FileInfos *bb = (FileInfos*) b;
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return stricmp((char *) ab->FilePath, (char *) bb->FilePath);
}
void HomebrewFiles::SortList()
{
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qsort(FileInfo, filecount, sizeof(FileInfos), ListCompare);
}