GC attributes left over by r20834.

[libfirm] / ir / ident / ident.c

diff --git a/ir/ident/ident.c b/ir/ident/ident.c
index a90b0b7..47838da 100644 (file)
--- a/ir/ident/ident.c
+++ b/ir/ident/ident.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -17,23 +17,19 @@
  * PURPOSE.
  */
 
-/*
- * Project:     libFIRM
- * File name:   ir/common/ident.c
- * Purpose:     Hash table to store names.
- * Author:      Goetz Lindenmaier
- * Modified by:
- * Created:
- * CVS-ID:      $Id$
- * Copyright:   (c) 1999-2003 Universität Karlsruhe
+/**
+ * @file
+ * @brief     Hash table to store names.
+ * @author    Goetz Lindenmaier
+ * @version   $Id$
  */
-
 #ifdef HAVE_CONFIG_H
 # include "config.h"
 #endif
 
 #include <assert.h>
 #include <ctype.h>
+#include <stdio.h>
 #include <string.h>
 #include <stddef.h>
 #include <stdlib.h>
@@ -100,6 +96,7 @@ static ident *set_new_id_from_str(void *handle, const char *str)
 static const char *set_get_id_str(void *handle, ident *id)
 {
   struct set_entry *entry = (struct set_entry *)id;
+  (void) handle;
 
   return (const char *)entry->dptr;
 }
@@ -115,6 +112,7 @@ static const char *set_get_id_str(void *handle, ident *id)
 static int set_get_id_strlen(void *handle, ident *id)
 {
   struct set_entry *entry = (struct set_entry *)id;
+  (void) handle;
 
   return entry->size;
 }
@@ -284,6 +282,7 @@ void init_ident(ident_if_t *id_if, int initial_n_idents)
    impl.get_id_wcslen      = set_get_id_wcslen;
 #endif /* FIRM_ENABLE_WCHAR */
 
+   /* it's ok to use memcmp here, we check only strings */
    impl.handle = new_set(memcmp, initial_n_idents);
   }
 }
@@ -340,6 +339,16 @@ int id_contains_char(ident *id, char c)
   return strchr(get_id_str(id), c) != NULL;
 }
 
+ident *id_unique(const char *tag)
+{
+       static unsigned unique_id = 0;
+       char buf[256];
+
+       snprintf(buf, sizeof(buf), tag, unique_id);
+       unique_id++;
+       return new_id_from_str(buf);
+}
+
 #ifdef FIRM_ENABLE_WCHAR
 
 ident *new_id_from_wcs (const wchar_t *str)