score: Add _Objects_Get_by_name()

Replace _Objects_Name_to_id_string() with _Objects_Get_by_name() since
all users of this function are interested in the object itself and not
the identifier.

Use the object allocator lock to protect the search.

Update #2555.

1 files changed, 5 insertions, 39 deletions

diff --git a/cpukit/posix/src/psxnametoid.c b/cpukit/posix/src/psxnametoid.c
index 637de91212..eac8e84611 100644
--- a/cpukit/posix/src/psxnametoid.c
+++ b/cpukit/posix/src/psxnametoid.c
@@ -20,44 +20,10 @@
 
 #include <rtems/posix/posixapi.h>
 
-#include <string.h>
-#include <limits.h>
 #include <errno.h>
 
-/* pure ANSI mode does not have this prototype */
-size_t strnlen(const char *, size_t);
-
-int _POSIX_Name_to_id(
-  Objects_Information *information,
-  const char          *name,
-  Objects_Id          *id,
-  size_t              *len
-)
-{
-  int eno = EINVAL;
-  size_t n = 0;
-
-  if ( name != NULL && name [0] != '\0' ) {
-    n = strnlen( name, NAME_MAX );
-
-    if ( n < NAME_MAX ) {
-      Objects_Name_or_id_lookup_errors status = _Objects_Name_to_id_string(
-        information,
-        name,
-        id
-      );
-
-      if ( status == OBJECTS_NAME_OR_ID_LOOKUP_SUCCESSFUL ) {
-        eno = 0;
-      } else {
-        eno = ENOENT;
-      }
-    } else {
-      eno = ENAMETOOLONG;
-    }
-  }
-
-  *len = n;
-
-  return eno;
-}
+const int _POSIX_Get_by_name_error_table[ 3 ] = {
+  EINVAL,
+  ENAMETOOLONG,
+  ENOENT
+};