function defs for ramfs

src/kernel/shared/memory.h

@@ -39,6 +39,8 @@
 #define KMALLOC_LINK_NEXT   2
 #define KMALLOC_LINK_LAST   4
 
+#define PAGE_SIZE_BYTES 4096
+
 typedef struct BIOS_data{
     uint16_t com_ports[4];
     uint16_t lpt_ports[3];

src/kernel/system/ramfs.c

@@ -9,6 +9,12 @@
 fileops_t ramfs_ops = 
 {
     ramfs_create,
+    ramfs_delete,
+    ramfs_write,
+    ramfs_read,
+    ramfs_open,
+    ramfs_close,
+    ramfs_rfopen,
 };
 
 vfile_t root_dir = {"/", FS_FILE_IS_DIR | FS_FILE_SYSTEM, &ramfs_ops};
@@ -16,13 +22,39 @@ vfile_t root_dir = {"/", FS_FILE_IS_DIR | FS_FILE_SYSTEM, &ramfs_ops};
 void ramfs_init(){
     mlog(MODULE_NAME, "Initializing VFS\n", MLOG_PRINT);
     root_dir.private = kmalloc(1);
-    root_dir.size = 4096;//one page is 4096 bytes
+    root_dir.size = PAGE_SIZE_BYTES;//one page is 4096 bytes
+}
+
+vfile_t *resolve_path(char *pathname){
+    
 }
 
 vfile_t *ramfs_create(char *path, FS_FILE_FLAGS flags){
+    
     return 0;
 }
 
+int ramfs_delete(vfile_t *file){
+    
+}
+int ramfs_write(vfile_t *file, char *buffer, uint32_t offset, uint32_t count){
+    
+}
+int ramfs_read(vfile_t *file, char *buffer, uint32_t offset, uint32_t count){
+    
+}
+vfile_t *ramfs_open(char *path){
+    
+}
+void ramfs_close(vfile_t *file){
+    file->refcount--;
+    if(file->refcount < 0) file->refcount = 0;
+    return;
+}
+vfile_t *ramfs_rfopen(char *name, vfile_t *parent){
+    
+}
+
 vfile_t *get_root_dir(){
     return &root_dir;
 }

src/kernel/system/ramfs.h

@@ -4,4 +4,11 @@
 void ramfs_init();
 vfile_t *ramfs_create(char *path, FS_FILE_FLAGS flags);
 //Will never create a new reference
-vfile_t *get_root_dir();
+vfile_t *get_root_dir();
+
+int ramfs_delete(vfile_t *file);
+int ramfs_write(vfile_t *file, char *buffer, uint32_t offset, uint32_t count);
+int ramfs_read(vfile_t *file, char *buffer, uint32_t offset, uint32_t count);
+vfile_t *ramfs_open(char *path);
+void ramfs_close(vfile_t *file);
+vfile_t *ramfs_rfopen(char *name, vfile_t *parent);

src/kernel/system/vfs.c

@@ -6,6 +6,7 @@
 #define MODULE_NAME "KVFS"
 
 // !TODO: Modify code to become thread-safe
+// 3 months later: does this count?
 
 
 // void add_file(vfile_t *vfile, vfile_t *current_dir){
@@ -80,7 +81,7 @@ vfile_t *rfopen(char *name, vfile_t *dir){
     if(!dir || !name || !dir->fileops || !dir->fileops->rfopen){
         return 0;
     }
-    return dir->fileops->rfopen(name);
+    return dir->fileops->rfopen(name, dir);
 }
 
 int readdir(vfile_t* file, vfile_t* buffer, uint32_t offset, uint32_t count){

src/kernel/system/vfs.h

@@ -20,7 +20,7 @@ typedef struct fileops{
     struct virtual_file *(*open)(char *path);
     void (*close)(struct virtual_file *file);
     // int (*readdir)(struct virtual_file* file, struct virtual_file *buffer, uint32_t count, uint32_t offset);
-    struct virtual_file *(*rfopen)(char *name);
+    struct virtual_file *(*rfopen)(char *name, struct virtual_file *parent);
 } fileops_t;
 
 typedef struct virtual_file{