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vfs: initial symlink implementation

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Matheus
2022-10-20 21:05:39 -03:00
parent 185fd9dd22
commit 2aaa3da856
4 changed files with 159 additions and 10 deletions
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src/include/kernel/vfs.h
+7 -1
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@@ -6,6 +6,7 @@
#include <errno.h>
#include <dirent.h>
#include <poll.h>
#include <stdbool.h>
struct _vnode_t;
struct _fscalls_t;
@@ -65,6 +66,10 @@ typedef struct _fscalls_t {
int (*chmod)(vnode_t* node, mode_t mode);
// create socket in address
int (*mksocket)(dirnode_t* ref, char* path, mode_t mode);
// creates a symlink
int (*symlink)(dirnode_t* ref, char* path, char* target, mode_t mode);
// reads a symlink
int (*readlink)(vnode_t* node, char** buff, size_t* linksize);
} fscalls_t;
int vfs_mksocket(dirnode_t* ref, char* path, mode_t mode);
@@ -81,6 +86,7 @@ int vfs_getdirent(dirnode_t* node, dent_t* buff, size_t count, uintmax_t offset,
int vfs_ioctl(vnode_t* node, unsigned long request, void* arg, int* result);
int vfs_poll(vnode_t* node, pollfd* fd);
int vfs_chmod(vnode_t* node, mode_t mode);
int vfs_symlink(dirnode_t* ref, char* path, char* target, mode_t mode);
void vfs_init();
dirnode_t* vfs_root();
@@ -89,7 +95,7 @@ void vfs_releasenode(vnode_t* node);
vnode_t* vfs_newnode(char* name, fs_t* fs, void* fsdata);
dirnode_t* vfs_newdirnode(char* name, fs_t* fs, void* fsdata, dirnode_t* parent);
void vfs_destroynode(vnode_t* node);
int vfs_resolvepath(vnode_t** result, dirnode_t** parent, dirnode_t* ref, char* path, char* name);
int vfs_resolvepath(vnode_t** result, dirnode_t** parent, dirnode_t* ref, char* path, char* name, bool followlinks, int maxloop);
#define UNIMPLEMENTED { return ENOSYS; }