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https://github.com/DS-Homebrew/flashcard-archive.git
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117 lines
2.9 KiB
C
117 lines
2.9 KiB
C
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#ifndef extlink_filestruct_h
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#define extlink_filestruct_h
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// extlink.dat structure
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typedef u16 UnicodeChar;
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#define ExtLinkBody_MaxLength (256)
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#define ExtLinkBody_ID (0x30545845) // EXT0
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typedef struct {
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u32 ID,dummy1,dummy2,dummy3; // dummy is ZERO.
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char DataFullPathFilenameAlias[ExtLinkBody_MaxLength];
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char DataPathAlias[ExtLinkBody_MaxLength];
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char DataFilenameAlias[ExtLinkBody_MaxLength];
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char NDSFullPathFilenameAlias[ExtLinkBody_MaxLength];
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char NDSPathAlias[ExtLinkBody_MaxLength];
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char NDSFilenameAlias[ExtLinkBody_MaxLength];
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UnicodeChar DataFullPathFilenameUnicode[ExtLinkBody_MaxLength];
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UnicodeChar DataPathUnicode[ExtLinkBody_MaxLength];
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UnicodeChar DataFilenameUnicode[ExtLinkBody_MaxLength];
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UnicodeChar NDSFullPathFilenameUnicode[ExtLinkBody_MaxLength];
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UnicodeChar NDSPathUnicode[ExtLinkBody_MaxLength];
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UnicodeChar NDSFilenameUnicode[ExtLinkBody_MaxLength];
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} TExtLinkBody;
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static bool GetFileBody_From_MoonShell2_ExtLink(const char **res_pFullPathFilenameAlias,void **res_pfilebuf,u32 *res_filesize)
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{
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*res_pFullPathFilenameAlias=NULL;
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*res_pfilebuf=NULL;
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*res_filesize=0;
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/*
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consolePrintf("Start disk driver.\n");
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if(FAT_InitFiles()==false){
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consolePrintf("DLDI init error.\n");
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return(false);
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}
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*/
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static char FullAlias[ExtLinkBody_MaxLength];
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{
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const char *pfn="/moonshl2/extlink.dat"; // This full path file name is fixation. It is never moved.
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FILE *pf=FAT_fopen(pfn,"r");
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if(pf==NULL){
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consolePrintf("Extend link data file not found. [%s]\n",pfn);
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return(false);
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}
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u32 ID,IDSize;
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IDSize=FAT_fread(&ID,1,4,pf);
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if((IDSize==0)||(ID==0)){
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consolePrintf("Please call this application from MoonShell2 by way of the extend link. [%s]\n",pfn);
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FAT_fclose(pf); pf=NULL;
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return(false);
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}
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if(ExtLinkBody_ID!=ID){
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consolePrintf("Extend link ID error. (0x%08x!=0x%08x)\n",ExtLinkBody_ID,ID);
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FAT_fclose(pf); pf=NULL;
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return(false);
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}
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u32 Dummy[3];
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FAT_fread(Dummy,1,4*3,pf);
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FAT_fread(FullAlias,1,ExtLinkBody_MaxLength,pf);
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FAT_fclose(pf); pf=NULL;
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}
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u8 *pfilebuf=NULL;
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u32 filesize=0;
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{
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const char *pfn=FullAlias;
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FILE *pf=FAT_fopen(pfn,"r");
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if(pf==NULL){
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consolePrintf("File not found. [%s]\n",pfn);
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return(false);
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}
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FAT_fseek(pf,0,SEEK_END);
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filesize=FAT_ftell(pf);
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FAT_fseek(pf,0,SEEK_SET);
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pfilebuf=malloc(filesize);
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if(pfilebuf==NULL){
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consolePrintf("Memory overflow. [%s] %dbyte.\n",pfn,filesize);
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FAT_fclose(pf); pf=NULL;
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return(false);
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}
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if(FAT_fread(pfilebuf,1,filesize,pf)!=filesize){
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consolePrintf("File read error. [%s] %dbyte.\n",pfn,filesize);
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FAT_fclose(pf); pf=NULL;
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return(false);
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}
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FAT_fclose(pf); pf=NULL;
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}
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*res_pFullPathFilenameAlias=FullAlias;
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*res_pfilebuf=pfilebuf;
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*res_filesize=filesize;
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return(true);
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}
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#endif
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