diff -r cd74667f6c85 -r 4adad7faf452 src/server/public/vfs.h
--- a/src/server/public/vfs.h	Sat Jan 25 15:34:30 2020 +0100
+++ b/src/server/public/vfs.h	Sat Jan 25 21:37:38 2020 +0100
@@ -48,13 +48,13 @@
 #define VFS_ENTRY         VFSEntry
 
 struct VFS {
-    SYS_FILE (*open)(VFSContext *ctx, char *path, int oflags);
-    int (*stat)(VFSContext *ctx, char *path, struct stat *buf);
+    SYS_FILE (*open)(VFSContext *ctx, const char *path, int oflags);
+    int (*stat)(VFSContext *ctx, const char *path, struct stat *buf);
     int (*fstat)(VFSContext *ctx, SYS_FILE fd, struct stat *buf);
-    VFS_DIR (*opendir)(VFSContext *ctx, char *path);
+    VFS_DIR (*opendir)(VFSContext *ctx, const char *path);
     VFS_DIR (*fdopendir)(VFSContext *ctx, SYS_FILE fd);
-    int (*mkdir)(VFSContext *ctx, char *path);
-    int (*unlink)(VFSContext *ctx, char *path);
+    int (*mkdir)(VFSContext *ctx, const char *path);
+    int (*unlink)(VFSContext *ctx, const char *path);
     uint32_t flags;
     void *instance;
 };
@@ -118,20 +118,20 @@
  */
 VFSContext* vfs_request_context(Session *sn, Request *rq);
 
-SYS_FILE vfs_open(VFSContext *ctx, char *path, int oflags);
-SYS_FILE vfs_openRO(VFSContext *ctx, char *path);
-SYS_FILE vfs_openWO(VFSContext *ctx, char *path);
-SYS_FILE vfs_openRW(VFSContext *ctx, char *path);
-int vfs_stat(VFSContext *ctx, char *path, struct stat *buf);
+SYS_FILE vfs_open(VFSContext *ctx, const char *path, int oflags);
+SYS_FILE vfs_openRO(VFSContext *ctx, const char *path);
+SYS_FILE vfs_openWO(VFSContext *ctx, const char *path);
+SYS_FILE vfs_openRW(VFSContext *ctx, const char *path);
+int vfs_stat(VFSContext *ctx, const char *path, struct stat *buf);
 int vfs_fstat(VFSContext *ctx, SYS_FILE fd, struct stat *buf);
 void vfs_close(SYS_FILE fd);
-VFS_DIR vfs_opendir(VFSContext *ctx, char *path);
+VFS_DIR vfs_opendir(VFSContext *ctx, const char *path);
 VFS_DIR vfs_fdopendir(VFSContext *ctx, SYS_FILE fd);
 int vfs_readdir(VFS_DIR dir, VFS_ENTRY *entry);
 int vfs_readdir_stat(VFS_DIR dir, VFS_ENTRY *entry);
 void vfs_closedir(VFS_DIR dir);
-int vfs_mkdir(VFSContext *ctx, char *path);
-int vfs_unlink(VFSContext *ctx, char *path);
+int vfs_mkdir(VFSContext *ctx, const char *path);
+int vfs_unlink(VFSContext *ctx, const char *path);
 
 #ifdef	__cplusplus
 }