X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/84402e8e2ee2a2d0bef25fdceb0a263ed8b471f6..5f5a10db6fc4552782638abb4817041223e17775:/src/xbt/mmalloc/swag.c

diff --git a/src/xbt/mmalloc/swag.c b/src/xbt/mmalloc/swag.c
deleted file mode 100644
index 23211e9001..0000000000
--- a/src/xbt/mmalloc/swag.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/* Copyright (c) 2004-2020. The SimGrid Team.
- * All rights reserved.                                                     */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-/* Warning, this module is done to be efficient and performs tons of
-   cast and dirty things. So avoid using it unless you really know
-   what you are doing. */
-
-/* This type should be added to a type that is to be used in such a swag */
-
-#include "swag.h"
-#include "xbt/asserts.h"
-
-typedef s_xbt_swag_hookup_t *xbt_swag_hookup_t;
-typedef struct xbt_swag* xbt_swag_t;
-typedef const struct xbt_swag* const_xbt_swag_t;
-
-#define xbt_swag_getPrev(obj, offset) (((xbt_swag_hookup_t)(((char*)(obj)) + (offset)))->prev)
-#define xbt_swag_getNext(obj, offset) (((xbt_swag_hookup_t)(((char*)(obj)) + (offset)))->next)
-#define xbt_swag_belongs(obj, swag) (xbt_swag_getNext((obj), (swag)->offset) || (swag)->tail == (obj))
-
-static inline void *xbt_swag_getFirst(const_xbt_swag_t swag)
-{
-  return (swag->head);
-}
-
-/*
- * @brief Offset computation
- * @arg var a variable of type <tt>struct</tt> something
- * @arg field a field of <tt>struct</tt> something
- * @return the offset of @a field in <tt>struct</tt> something.
- * @hideinitializer
- *
- * It is very similar to offsetof except that is done at runtime and that you have to declare a variable. Why defining
- * such a macro then ? Because it is portable...
- */
-#define xbt_swag_offset(var, field) ((char*)&((var).field) - (char*)&(var))
-/* @} */
-
-/* Creates a new swag.
- * @param swag the swag to initialize
- * @param offset where the hookup is located in the structure
- * @see xbt_swag_offset
- *
- * Usage : xbt_swag_init(swag,&obj.setA-&obj);
- */
-static inline void xbt_swag_init(xbt_swag_t swag, size_t offset)
-{
-  swag->tail   = NULL;
-  swag->head   = NULL;
-  swag->offset = offset;
-  swag->count  = 0;
-}
-
-/*
- * @param obj the object to insert in the swag
- * @param swag a swag
- *
- * insert (at the tail... you probably had a very good reason to do that, I hope you know what you're doing) @a obj in
- * @a swag
- */
-static inline void xbt_swag_insert(void *obj, xbt_swag_t swag)
-{
-  xbt_assert(!xbt_swag_belongs(obj, swag) || swag->tail,
-             "This object belongs to an empty swag! Did you correctly initialize the object's hookup?");
-
-  if (!swag->head) {
-    xbt_assert(!(swag->tail), "Inconsistent swag.");
-    swag->head = obj;
-    swag->tail = obj;
-    swag->count++;
-  } else if (obj != swag->tail && !xbt_swag_getNext(obj, swag->offset)) {
-    xbt_swag_getPrev(obj, swag->offset)        = swag->tail;
-    xbt_swag_getNext(swag->tail, swag->offset) = obj;
-    swag->tail = obj;
-    swag->count++;
-  }
-}
-
-/*
- * @param obj the object to remove from the swag
- * @param swag a swag
- * @return @a obj if it was in the @a swag and NULL otherwise
- *
- * removes @a obj from @a swag
- */
-static inline void *xbt_swag_remove(void *obj, xbt_swag_t swag)
-{
-  if (!obj)
-    return NULL;
-
-  size_t offset = swag->offset;
-  void* prev    = xbt_swag_getPrev(obj, offset);
-  void* next    = xbt_swag_getNext(obj, offset);
-
-  if (prev) {
-    xbt_swag_getNext(prev, offset) = next;
-    xbt_swag_getPrev(obj, offset)  = NULL;
-    if (next) {
-      xbt_swag_getPrev(next, offset) = prev;
-      xbt_swag_getNext(obj, offset)  = NULL;
-    } else {
-      swag->tail = prev;
-    }
-    swag->count--;
-  } else if (next) {
-    xbt_swag_getPrev(next, offset) = NULL;
-    xbt_swag_getNext(obj, offset)  = NULL;
-    swag->head = next;
-    swag->count--;
-  } else if (obj == swag->head) {
-    swag->head = swag->tail = NULL;
-    swag->count--;
-  }
-
-  return obj;
-}
-
-/*
- * @param swag a swag
- * @return the number of objects in @a swag
- */
-static inline int xbt_swag_size(const_xbt_swag_t swag)
-{
-  return (swag->count);
-}