cmd/sharefs: remove readlink

This filesystem does not support symbolic links, so readlink is not useful, and unreachable in this case because of the check in getattr.

Signed-off-by: Ophestra <cat@gensokyo.uk>

cmd/sharefs/fuse-helper.c

@@ -82,19 +82,6 @@ int sharefs_getattr(const char *pathname, struct stat *statbuf, struct fuse_file
     return impl_getattr(ctx, statbuf);
 }
 
-int sharefs_readlink(const char *pathname, char *buf, size_t bufsiz) {
-    int res;
-    struct fuse_context *ctx;
-    struct sharefs_private *priv;
-    GET_CONTEXT_PRIV(ctx, priv);
-    MUST_TRANSLATE_PATHNAME(pathname);
-
-    if ((res = readlinkat(priv->dirfd, pathname, buf, bufsiz - 1)) == -1)
-        return -errno;
-    buf[res] = '\0';
-    return 0;
-}
-
 int sharefs_readdir(const char *pathname, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi, enum fuse_readdir_flags flags) {
     int fd;
     DIR *dp;

cmd/sharefs/fuse-helper.h

@@ -12,7 +12,6 @@ struct sharefs_private {
 };
 
 int sharefs_getattr(const char *pathname, struct stat *statbuf, struct fuse_file_info *fi);
-int sharefs_readlink(const char *pathname, char *buf, size_t bufsiz);
 int sharefs_readdir(const char *pathname, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi, enum fuse_readdir_flags flags);
 int sharefs_mkdir(const char *pathname, mode_t mode);
 int sharefs_unlink(const char *pathname);

cmd/sharefs/fuse.go

@@ -240,7 +240,6 @@ func _main(argc int, argv **C.char) int {
 
 		// implemented in fuse-helper.c
 		getattr:  closure(C.sharefs_getattr),
-		readlink: closure(C.sharefs_readlink),
 		readdir:  closure(C.sharefs_readdir),
 		mkdir:    closure(C.sharefs_mkdir),
 		unlink:   closure(C.sharefs_unlink),