Use constant strings to fix warnings

sesman/chansrv/chansrv_fuse.c

@@ -2246,7 +2246,7 @@ static void xfuse_cb_rename(fuse_req_t req,
     char       *cptr;
     char        old_full_path[1024];
     char        new_full_path[1024];
-    char       *cp;
+    const char *cp;
 
     tui32 device_id;
 

sesman/chansrv/devredir.c

@@ -430,7 +430,8 @@ void devredir_send_server_device_announce_resp(tui32 device_id)
  * @return 0 on success, -1 on failure
  *****************************************************************************/
 
-int dev_redir_send_drive_create_request(tui32 device_id, char *path,
+int dev_redir_send_drive_create_request(tui32 device_id,
+                                        const char *path,
                                         tui32 DesiredAccess,
                                         tui32 CreateOptions,
                                         tui32 CreateDisposition,
@@ -997,7 +998,7 @@ dev_redir_proc_query_dir_response(IRP *irp,
  *****************************************************************************/
 
 int APP_CC
-dev_redir_get_dir_listing(void *fusep, tui32 device_id, char *path)
+dev_redir_get_dir_listing(void *fusep, tui32 device_id, const char *path)
 {
     tui32  DesiredAccess;
     tui32  CreateOptions;
@@ -1044,8 +1045,8 @@ dev_redir_get_dir_listing(void *fusep, tui32 device_id, char *path)
 }
 
 int APP_CC
-dev_redir_file_open(void *fusep, tui32 device_id, char *path,
-                    int mode, int type, char *gen_buf)
+dev_redir_file_open(void *fusep, tui32 device_id, const char *path,
+                    int mode, int type, const char *gen_buf)
 {
     tui32  DesiredAccess;
     tui32  CreateOptions;
@@ -1162,7 +1163,7 @@ int devredir_file_close(void *fusep, tui32 device_id, tui32 FileId)
  *****************************************************************************/
 
 int APP_CC
-devredir_rmdir_or_file(void *fusep, tui32 device_id, char *path, int mode)
+devredir_rmdir_or_file(void *fusep, tui32 device_id, const char *path, int mode)
 {
     tui32  DesiredAccess;
     tui32  CreateOptions;
@@ -1446,7 +1447,7 @@ devredir_cvt_slash(char *path)
 }
 
 void APP_CC
-devredir_cvt_to_unicode(char *unicode, char *path)
+devredir_cvt_to_unicode(char *unicode, const char *path)
 {
     char *dest;
     char *src;

sesman/chansrv/devredir.h

@@ -48,7 +48,8 @@ void devredir_send_server_device_announce_resp(tui32 device_id);
 void dev_redir_send_drive_dir_request(IRP *irp, tui32 device_id,
                                       tui32 InitialQuery, char *Path);
 
-int  dev_redir_send_drive_create_request(tui32 device_id, char *path,
+int  dev_redir_send_drive_create_request(tui32 device_id,
+                                         const char *path,
                                          tui32 DesiredAccess,
                                          tui32 CreateOptions,
                                          tui32 CreateDisposition,
@@ -81,7 +82,7 @@ void devredir_insert_DeviceIoRequest(struct stream *s,
                                      tui32 MinorFunction);
 
 void devredir_cvt_slash(char *path);
-void devredir_cvt_to_unicode(char *unicode, char *path);
+void devredir_cvt_to_unicode(char *unicode, const char *path);
 void devredir_cvt_from_unicode_len(char *path, char *unicode, int len);
 int  dev_redir_string_ends_with(char *string, char c);
 
@@ -94,10 +95,10 @@ void devredir_proc_cid_rename_file(IRP *irp, tui32 IoStatus);
 void devredir_proc_cid_rename_file_resp(IRP *irp, tui32 IoStatus);
 
 /* called from FUSE module */
-int dev_redir_get_dir_listing(void *fusep, tui32 device_id, char *path);
+int dev_redir_get_dir_listing(void *fusep, tui32 device_id, const char *path);
 
-int dev_redir_file_open(void *fusep, tui32 device_id, char *path,
-                        int mode, int type, char *gen_buf);
+int dev_redir_file_open(void *fusep, tui32 device_id, const char *path,
+                        int mode, int type, const char *gen_buf);
 
 int devredir_file_close(void *fusep, tui32 device_id, tui32 file_id);
 
@@ -109,7 +110,7 @@ dev_redir_file_write(void *fusep, tui32 DeviceId, tui32 FileId,
                      const char *buf, int Length, tui64 Offset);
 
 int APP_CC
-devredir_rmdir_or_file(void *fusep, tui32 device_id, char *path, int mode);
+devredir_rmdir_or_file(void *fusep, tui32 device_id, const char *path, int mode);
 
 int send_channel_data(int chan_id, char *data, int size);