(__hurd_file_name_lookup_retry, __hurd_file_name_lookup,
authormiles <miles>
Wed, 19 Jun 1996 20:11:26 +0000 (20:11 +0000)
committermiles <miles>
Wed, 19 Jun 1996 20:11:26 +0000 (20:11 +0000)
__hurd_file_name_split):
  Add & use LOOKUP argument.
  Rename nested function lookup to lookup_op.
(__file_name_lookup, __file_name_lookup_under):
  Pass 0 for lookup arg to __hurd_file_name_lookup.
(__file_name_split):
  Likewise for __hurd_file_name_split.

hurd/hurdlookup.c

index a5a114a..bfee614 100644 (file)
@@ -45,6 +45,10 @@ error_t
 __hurd_file_name_lookup (error_t (*use_init_port)
                           (int which, error_t (*operate) (file_t)),
                         file_t (*get_dtable_port) (int fd),
+                        error_t (*lookup)
+                          (file_t dir, char *name, int flags, mode_t mode,
+                           retry_type *do_retry, string_t retry_name,
+                           mach_port_t *result),
                         const char *file_name, int flags, mode_t mode,
                         file_t *result)
 {
@@ -52,20 +56,23 @@ __hurd_file_name_lookup (error_t (*use_init_port)
   enum retry_type doretry;
   char retryname[1024];                /* XXX string_t LOSES! */
 
-  error_t lookup (mach_port_t startdir)
+  error_t lookup_op (mach_port_t startdir)
     {
       while (file_name[0] == '/')
        file_name++;
 
-      return lookup_error (__dir_lookup (startdir, file_name, flags, mode,
-                                        &doretry, retryname, result));
+      return lookup_error ((*lookup) (startdir, file_name, flags, mode,
+                                     &doretry, retryname, result));
     }
 
+  if (! lookup)
+    lookup = __dir_lookup;
+
   err = (*use_init_port) (file_name[0] == '/'
                          ? INIT_PORT_CRDIR : INIT_PORT_CWDIR,
-                         &lookup);
+                         &lookup_op);
   if (! err)
-    err = __hurd_file_name_lookup_retry (use_init_port, get_dtable_port,
+    err = __hurd_file_name_lookup_retry (use_init_port, get_dtable_port, lookup,
                                         doretry, retryname, flags, mode,
                                         result);
 
@@ -77,6 +84,10 @@ error_t
 __hurd_file_name_lookup_retry (error_t (*use_init_port)
                                 (int which, error_t (*operate) (file_t)),
                               file_t (*get_dtable_port) (int fd),
+                              error_t (*lookup)
+                                (file_t dir, char *name, int flags, mode_t mode,
+                                 retry_type *do_retry, string_t retry_name,
+                                 mach_port_t *result),
                               enum retry_type doretry,
                               char retryname[1024],
                               int flags, mode_t mode,
@@ -86,13 +97,13 @@ __hurd_file_name_lookup_retry (error_t (*use_init_port)
   char *file_name;
   int nloops;
 
-  error_t lookup (file_t startdir)
+  error_t lookup_op (file_t startdir)
     {
       while (file_name[0] == '/')
        file_name++;
 
-      return lookup_error (__dir_lookup (startdir, file_name, flags, mode,
-                                        &doretry, retryname, result));
+      return lookup_error ((*lookup) (startdir, file_name, flags, mode,
+                                     &doretry, retryname, result));
     }
   error_t reauthenticate (file_t unauth)
     {
@@ -112,6 +123,9 @@ __hurd_file_name_lookup_retry (error_t (*use_init_port)
       return err;
     }
 
+  if (! lookup)
+    lookup = __dir_lookup;
+
   nloops = 0;
   err = 0;
   do
@@ -291,12 +305,12 @@ __hurd_file_name_lookup_retry (error_t (*use_init_port)
 
       if (startdir != MACH_PORT_NULL)
        {
-         err = lookup (startdir);
+         err = lookup_op (startdir);
          __mach_port_deallocate (__mach_task_self (), startdir);
          startdir = MACH_PORT_NULL;
        }
       else
-       err = (*use_init_port) (dirport, &lookup);
+       err = (*use_init_port) (dirport, &lookup_op);
     } while (! err);
 
   return err;
@@ -307,6 +321,10 @@ error_t
 __hurd_file_name_split (error_t (*use_init_port)
                          (int which, error_t (*operate) (file_t)),
                        file_t (*get_dtable_port) (int fd),
+                       error_t (*lookup)
+                         (file_t dir, char *name, int flags, mode_t mode,
+                          retry_type *do_retry, string_t retry_name,
+                          mach_port_t *result),
                        const char *file_name,
                        file_t *dir, char **name)
 {
@@ -334,8 +352,9 @@ __hurd_file_name_split (error_t (*use_init_port)
          memcpy (dirname, file_name, lastslash - file_name);
          dirname[lastslash - file_name] = '\0';
          *name = (char *) lastslash + 1;
-         return __hurd_file_name_lookup (use_init_port, get_dtable_port,
-                                         dirname, 0, 0, dir);
+         return
+           __hurd_file_name_lookup (use_init_port, get_dtable_port, lookup,
+                                    dirname, 0, 0, dir);
        }
     }
   else
@@ -354,7 +373,7 @@ __file_name_lookup (const char *file_name, int flags, mode_t mode)
   error_t err;
   file_t result;
 
-  err = __hurd_file_name_lookup (&_hurd_ports_use, &__getdport,
+  err = __hurd_file_name_lookup (&_hurd_ports_use, &__getdport, 0,
                                 file_name, flags, mode & ~_hurd_umask,
                                 &result);
 
@@ -369,7 +388,7 @@ __file_name_split (const char *file_name, char **name)
   error_t err;
   file_t result;
 
-  err = __hurd_file_name_split (&_hurd_ports_use, &__getdport,
+  err = __hurd_file_name_split (&_hurd_ports_use, &__getdport, 0,
                                file_name, &result, name);
 
   return err ? (__hurd_fail (err), MACH_PORT_NULL) : result;
@@ -390,7 +409,7 @@ __file_name_lookup_under (file_t startdir,
              _hurd_ports_use (which, operate));
     }
 
-  err = __hurd_file_name_lookup (&use_init_port, &__getdport,
+  err = __hurd_file_name_lookup (&use_init_port, &__getdport, 0,
                                 file_name, flags, mode & ~_hurd_umask,
                                 &result);