Commited some old changes, idk what they were

2024-07-30 21:07:05 +02:00
parent 8e004221e1
commit 105076a8ce
14 changed files with 238 additions and 222 deletions
@@ -1,80 +0,0 @@
-#ifndef FILESYS_H
-#define FILESYS_H
-
-#include <disk/disk.h>
-#include <memory/addresses.h>
-#include <string.h>
-
-typedef struct {
-    char filename[10];
-    char filetype[3];
-    uint8_t reserved;
-    uint8_t startAddress;
-    uint8_t length;
-} __attribute__ ((packed)) fileEntry_t;
-
-char* filetable = (char*)FILETABLE_LOC; // Pretty sure we don't have to care about the bootloader at 0x7c00
-
-fileEntry_t* findFile(const char* filename) {
-    if (strlen(filename) > 14) { return NULL; } // Filename too long
-    static char filenameBuf[16];
-    strcpy(filenameBuf, filename);
-
-    char* filetype = strchr(filenameBuf, '.');
-    *filetype++ = '\0'; // Split filename and filetype by a NULL
-
-    char* ft = filetable;
-    while (*ft != '\0') {
-        if (strcmp(filenameBuf, ft) != 0) { // Filename doesn't match
-            ft += 16; // Goto next entry
-            continue;
-        }
-        ft += 10; // Goto filetype
-        
-        if (strcmp(filetype, ft) != 0) {
-            ft += 6; // Goto next entry
-            continue;
-        }
-        ft -= 10; // Go back to start of entry
-        
-        return (fileEntry_t*)ft;
-    }
-
-    return NULL; // No such file
-}
-
-void updateFiletable() {
-    // TODO: Update the filetable by writing data from memory to disk!
-}
-
-uint8_t readFile(char* filename, void* buffer) { // Hopefully the buffer is large enought :/
-    fileEntry_t* file = findFile(filename);
-    if (file == NULL) { return 1; } // File doesn't exist!
-
-    diskRead(file->startAddress, file->length, buffer);
-    return 0; // Success
-}
-
-uint8_t writeFile(char* filename, void* buffer) { // TODO: Add length so we don't write too much/too little
-    fileEntry_t* file = findFile(filetable);
-    if (file == NULL) { // File exists -> override
-        // File doesn't exist -> create new file
-        file = (fileEntry_t*)filetable;
-        while (*(char*)file != '\0') { file++; } // Find end of the filetable
-         
-        *strchr(filename, '.') = '\0';
-
-        char* filetype = filename + strlen(filename); // + 1?
-        fileEntry_t* previous = file - 1;
-
-        strcpy(file->filename, filename);
-        strcpy(file->filetype, filetype);
-        file->startAddress = previous->startAddress + previous->length;
-        file->length = 1; // TODO: Add lenght! Currently will just assume 1 sector :/
-    }
-
-    diskWrite(file->startAddress, file->length, buffer); // Write the file
-    return 0; // Success
-}
-
-#endif