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authorMiles Bader <miles@gnu.org>1996-06-19 20:11:26 +0000
committerMiles Bader <miles@gnu.org>1996-06-19 20:11:26 +0000
commit92ea4fece749488110975caffdce425d1dc041d3 (patch)
treed8456b7bfab8c9c184153670eb32e8db648bd12f /hurd/hurdlookup.c
parent959c3674459c4b33a00da703def9249a6a322a00 (diff)
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(__hurd_file_name_lookup_retry, __hurd_file_name_lookup, __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.
Diffstat (limited to 'hurd/hurdlookup.c')
-rw-r--r--hurd/hurdlookup.c49
1 files changed, 34 insertions, 15 deletions
diff --git a/hurd/hurdlookup.c b/hurd/hurdlookup.c
index a5a114a..bfee614 100644
--- a/hurd/hurdlookup.c
+++ b/hurd/hurdlookup.c
@@ -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);