lib/ramfs: Switch to const strings for vnops

This commit changes all vnode operations to accept constant
string parameters to be inline with the changed definitions.

Signed-off-by: Marc Rittinghaus <marc.rittinghaus@unikraft.io>
Reviewed-by: Sergiu Moga <sergiu.moga@protonmail.com>
Approved-by: Razvan Deaconescu <razvand@unikraft.io>
Tested-by: Unikraft CI <monkey@unikraft.io>
GitHub-Closes: #866

diff --git a/lib/ramfs/ramfs_vnops.c b/lib/ramfs/ramfs_vnops.c
index d40a95d7a969ac08141b0ac99bb3e4cc99bba021..52b77f5851c00fde6c545ccabecf981b36139e8c 100644 (file)
--- a/lib/ramfs/ramfs_vnops.c
+++ b/lib/ramfs/ramfs_vnops.c
@@ -117,7 +117,7 @@ ramfs_free_node(struct ramfs_node *np)
 }
 
 static struct ramfs_node *
-ramfs_add_node(struct ramfs_node *dnp, char *name, int type)
+ramfs_add_node(struct ramfs_node *dnp, const char *name, int type)
 {
        struct ramfs_node *np, *prev;
 
@@ -175,7 +175,7 @@ ramfs_remove_node(struct ramfs_node *dnp, struct ramfs_node *np)
 }
 
 static int
-ramfs_rename_node(struct ramfs_node *np, char *name)
+ramfs_rename_node(struct ramfs_node *np, const char *name)
 {
        size_t len;
        char *tmp;
@@ -202,7 +202,7 @@ ramfs_rename_node(struct ramfs_node *np, char *name)
 }
 
 static int
-ramfs_lookup(struct vnode *dvp, char *name, struct vnode **vpp)
+ramfs_lookup(struct vnode *dvp, const char *name, struct vnode **vpp)
 {
        struct ramfs_node *np, *dnp;
        struct vnode *vp;
@@ -253,7 +253,7 @@ ramfs_lookup(struct vnode *dvp, char *name, struct vnode **vpp)
 }
 
 static int
-ramfs_mkdir(struct vnode *dvp, char *name, mode_t mode)
+ramfs_mkdir(struct vnode *dvp, const char *name, mode_t mode)
 {
        struct ramfs_node *np;
 
@@ -273,7 +273,7 @@ ramfs_mkdir(struct vnode *dvp, char *name, mode_t mode)
 }
 
 static int
-ramfs_symlink(struct vnode *dvp, char *name, char *link)
+ramfs_symlink(struct vnode *dvp, const char *name, const char *link)
 {
        struct ramfs_node *np;
        size_t len;
@@ -319,14 +319,15 @@ ramfs_readlink(struct vnode *vp, struct uio *uio)
 
 /* Remove a directory */
 static int
-ramfs_rmdir(struct vnode *dvp, struct vnode *vp, char *name __unused)
+ramfs_rmdir(struct vnode *dvp, struct vnode *vp, const char *name __unused)
 {
        return ramfs_remove_node(dvp->v_data, vp->v_data);
 }
 
 /* Remove a file */
 static int
-ramfs_remove(struct vnode *dvp, struct vnode *vp, char *name __maybe_unused)
+ramfs_remove(struct vnode *dvp, struct vnode *vp,
+            const char *name __maybe_unused)
 {
        uk_pr_debug("remove %s in %s\n", name,
                 RAMFS_NODE(dvp)->rn_name);
@@ -377,7 +378,7 @@ ramfs_truncate(struct vnode *vp, off_t length)
  * Create empty file.
  */
 static int
-ramfs_create(struct vnode *dvp, char *name, mode_t mode)
+ramfs_create(struct vnode *dvp, const char *name, mode_t mode)
 {
        struct ramfs_node *np;
 
@@ -493,8 +494,9 @@ ramfs_write(struct vnode *vp, struct uio *uio, int ioflag)
 }
 
 static int
-ramfs_rename(struct vnode *dvp1, struct vnode *vp1, char *name1 __unused,
-                        struct vnode *dvp2, struct vnode *vp2, char *name2)
+ramfs_rename(struct vnode *dvp1, struct vnode *vp1, const char *name1 __unused,
+            struct vnode *dvp2, struct vnode *vp2,
+            const char *name2)
 {
        struct ramfs_node *np, *old_np;
        int error;