diff options
Diffstat (limited to 'libbanshee/engine/stamp.c')
-rw-r--r-- | libbanshee/engine/stamp.c | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/libbanshee/engine/stamp.c b/libbanshee/engine/stamp.c deleted file mode 100644 index 8a1f5a95faf..00000000000 --- a/libbanshee/engine/stamp.c +++ /dev/null @@ -1,120 +0,0 @@ -/* - * Copyright (c) 2000-2001 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - */ - -#include <stdio.h> -#include "stamp.h" -#include "util.h" -#include "hash.h" -#include "list.h" -#define INITIAL_SIZE 32 -#define INITIAL1 0 -#define INITIAL2 2000 -#define INITIAL3 536870911 -#define MIN -1073741824 /* -2^30 */ -#define MAX 1073741824 /* 2^30 */ - -static hash_table str_hash; -static region str_hash_rgn; - -static int count1 = INITIAL1, count2 = INITIAL2, count3 = INITIAL3; -static int bounds1 = MIN, bounds2 = 536870911, bounds3 = MAX; - -static inline stamp check1(int i) -{ - if (i <= bounds1) - fail ("Unable to create stamp with small index\n"); - return i; -} - -static inline stamp check2(int i) -{ - if (i > bounds2) - fail ("Unable to create a stamp with regular index\n"); - return i; -} - -static inline stamp check3(int i) -{ - if (i >= bounds3) - fail ("Unable to create a stamp with large index\n"); - return i; -} - -stamp stamp_fresh(void) -{ - return (check2(++count2)); -} - -stamp stamp_fresh_small(void) -{ - return (check1(--count1)); -} - -stamp stamp_fresh_large(void) -{ - return (check3(++count3)); -} - -stamp stamp_string(const char *str) deletes -{ - long st; - assert(str_hash != NULL); - - if (! hash_table_lookup(str_hash,(hash_key)str, (void *)(char *) &st)) - { - st = stamp_fresh(); - (void)hash_table_insert(str_hash,(hash_key)str,(hash_data) st); - } - return st; -} - -void stamp_reset(void) deletes -{ - count1 = INITIAL1; - count2 = INITIAL2; - count3 = INITIAL3; - hash_table_reset(str_hash); - deleteregion_ptr(&str_hash_rgn); -} - - - -void stamp_init(void) -{ - str_hash_rgn = newregion(); - str_hash = make_string_hash_table(str_hash_rgn,INITIAL_SIZE,FALSE); - -} -#if 0 -const char *stamp_to_str(region r,stamp st) -{ - return inttostr(r,st); -} -#endif |