toaruos/kernel/core/fs/devfs.c

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/*
* ToAruOS DevFS
*
* vim:noexpandtab
* vim:tabstop=4
*/
#include <system.h>
#include <fs.h>
uint32_t read_devfs(fs_node_t *node, uint32_t offset, uint32_t size, uint8_t *buffer);
uint32_t write_devfs(fs_node_t *node, uint32_t offset, uint32_t size, uint8_t *buffer);
void open_devfs(fs_node_t *node, uint8_t read, uint8_t write);
void close_devfs(fs_node_t *node);
struct dirent *readdir_devfs(fs_node_t *node, uint32_t index);
fs_node_t *finddir_devfs(fs_node_t *node, char *name);
fs_node_t * devfs_root;
/*
* Install the DevFS to the given path.
* Path should be `/dev`
*/
void
devfs_install(char * path) {
fs_node_t * dev_node = kopen(path,0);
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kprintf("Installing devfs... %s\n", dev_node->name);
}
/*
* These functions require that the requested node have a valid handler of their own
* and are not part of the devfs natively
*/
uint32_t read_devfs(fs_node_t *node, uint32_t offset, uint32_t size, uint8_t *buffer) {
return -1;
}
uint32_t write_devfs(fs_node_t *node, uint32_t offset, uint32_t size, uint8_t *buffer) {
return -1;
}