119 lines
3.2 KiB
HolyC
119 lines
3.2 KiB
HolyC
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U8 *FileRead(U8 *filename,I64 *_size=NULL,I64 *_attr=NULL)
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{//Read whole file from disk.
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CHashGeneric *tmph;
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U8 *absname,*altname,*curname,*res=NULL;
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I64 i,size=0,attr=0;
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CDirContext *dirc;
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CArcCompress *arc;
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absname=FileNameAbs(filename);
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altname=ToggleZorNotZ(absname);
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if ((tmph=HashFind(absname,adam_task->hash_table,HTT_FILE))||
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(tmph=HashFind(altname,adam_task->hash_table,HTT_FILE))) {
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size=tmph->user_data1;
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res=MAlloc(size+1);
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MemCpy(res,tmph->user_data0,size);
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res[size]=0; //Terminate
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attr=FileAttr(tmph->str,attr);
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} else {
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for (i=0;i<2 && !res;i++) {//Try name, then altname
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if (!i)
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curname=absname;
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else
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curname=altname;
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if (dirc=DirContextNew(curname)) {
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switch (dirc->dv->fs_type) {
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case FSt_REDSEA:
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res=RedSeaFileRead(dirc->dv,Fs->cur_dir,dirc->mask,&size,&attr);
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break;
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case FSt_FAT32:
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res=FAT32FileRead(dirc->dv,Fs->cur_dir,dirc->mask,&size,&attr);
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break;
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default:
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PrintErr("File System Not Supported\n");
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}
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DirContextDel(dirc);
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}
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}
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//Search parent directories.
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for (i=0;i<2 && !res;i++) {//Try name, then altname
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if (!i)
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curname=absname;
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else
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curname=altname;
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if (dirc=DirContextNew(curname)) {
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while (!res && StrCmp(Fs->cur_dir,"/")) {
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Cd("..");
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switch (Fs->cur_dv->fs_type) {
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case FSt_REDSEA:
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res=RedSeaFileRead(dirc->dv,Fs->cur_dir,dirc->mask,&size,&attr);
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break;
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case FSt_FAT32:
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res=FAT32FileRead(dirc->dv,Fs->cur_dir,dirc->mask,&size,&attr);
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break;
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default:
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PrintErr("File System Not Supported\n");
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}
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}
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DirContextDel(dirc);
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}
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}
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if (!res)
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PrintErr("File not found: \"%s\".\n",filename);
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if (res && attr & RS_ATTR_RESIDENT)
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HashGenericAdd(curname,HTT_FILE,AMAllocIdent(res),size,0,adam_task);
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}
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if (res && attr & RS_ATTR_COMPRESSED) {
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arc=res;
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size=arc->expanded_size;
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res=ExpandBuf(arc);
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Free(arc);
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}
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if (_attr) *_attr=attr;
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if (_size) *_size=size;
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Free(absname);
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Free(altname);
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return res;
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}
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I64 FileWrite(U8 *filename,U8 *fbuf,I64 size,CDate cdt=0,I64 attr=0)
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{//Write whole file to disk.
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I64 c=0;
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CHashGeneric *tmph;
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CDirContext *dirc;
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U8 *fbuf2,*absname=FileNameAbs(filename);
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if (dirc=DirContextNew(filename,FALSE,TRUE)) {
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attr=FileAttr(dirc->mask,attr);
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if (attr&RS_ATTR_COMPRESSED) {
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fbuf=CompressBuf(fbuf,size);
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size=fbuf(CArcCompress *)->compressed_size;
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fbuf2=fbuf;
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} else
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fbuf2=NULL;
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if (!cdt) cdt=Now;
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switch (dirc->dv->fs_type) {
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case FSt_REDSEA:
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c=RedSeaFileWrite(dirc->dv,Fs->cur_dir,dirc->mask,fbuf,size,cdt,attr);
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break;
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case FSt_FAT32:
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c=FAT32FileWrite(dirc->dv,Fs->cur_dir,dirc->mask,fbuf,size,cdt,attr);
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break;
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default:
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PrintErr("File System Not Supported\n");
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}
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if (tmph=HashFind(absname,adam_task->hash_table,HTT_FILE)) {
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if (attr & RS_ATTR_RESIDENT) {
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Free(tmph->user_data0);
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tmph->user_data0=AMAllocIdent(fbuf);
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tmph->user_data1=size;
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} else
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HashRemDel(tmph,adam_task->hash_table);
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} else if (attr & RS_ATTR_RESIDENT)
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HashGenericAdd(absname,HTT_FILE,AMAllocIdent(fbuf),size,0,adam_task);
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Free(fbuf2);
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DirContextDel(dirc);
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}
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Free(absname);
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return c;
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}
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