static inline void _check_inbound_idx(const_xbt_dynar_t dynar, int idx)
{
- if (idx < 0 || idx >= static_cast<int>(dynar->used)) {
- throw std::out_of_range(simgrid::xbt::string_printf("dynar is not that long. You asked %d, but it's only %lu long",
- idx, static_cast<unsigned long>(dynar->used)));
- }
+ xbt_assert(idx >= 0 && idx < static_cast<int>(dynar->used),
+ "dynar is not that long. You asked %d, but it's only %lu long", idx, dynar->used);
}
static inline void _check_populated_dynar(const_xbt_dynar_t dynar)
{
- if (dynar->used == 0) {
- throw std::out_of_range(simgrid::xbt::string_printf("dynar %p is empty", dynar));
- }
+ xbt_assert(dynar->used > 0, "dynar %p is empty", dynar);
}
static inline void _xbt_dynar_resize(xbt_dynar_t dynar, unsigned long new_size)
memcpy(dst, elm, dynar->elmsize);
}
-void xbt_dynar_dump(const_xbt_dynar_t dynar)
-{
- XBT_INFO("Dynar dump: size=%lu; used=%lu; elmsize=%lu; data=%p; free_f=%p",
- dynar->size, dynar->used, dynar->elmsize, dynar->data, dynar->free_f);
-}
-
/** @brief Constructor
*
* @param elmsize size of each element in the dynar
return dynar;
}
-/** @brief Initialize a dynar structure that was not malloc'ed
- * This can be useful to keep temporary dynars on the stack
- */
-void xbt_dynar_init(xbt_dynar_t dynar, unsigned long elmsize, void_f_pvoid_t free_f)
-{
- dynar->size = 0;
- dynar->used = 0;
- dynar->elmsize = elmsize;
- dynar->data = nullptr;
- dynar->free_f = free_f;
-}
-
-/** @brief Destroy a dynar that was created with xbt_dynar_init */
-void xbt_dynar_free_data(xbt_dynar_t dynar)
-{
- xbt_dynar_reset(dynar);
- if (dynar)
- xbt_free(dynar->data);
-}
-
/** @brief Destructor of the structure not touching to the content
*
* @param dynar poor victim
dynar->used = 0;
}
-/** @brief Merge dynar d2 into d1
- *
- * @param d1 dynar to keep
- * @param d2 dynar to merge into d1. This dynar is free at end.
- */
-void xbt_dynar_merge(xbt_dynar_t* d1, xbt_dynar_t* d2)
-{
- if((*d1)->elmsize != (*d2)->elmsize)
- xbt_die("Element size must are not equal");
-
- const unsigned long elmsize = (*d1)->elmsize;
-
- const void* ptr = _xbt_dynar_elm((*d2), 0);
- _xbt_dynar_resize(*d1, (*d1)->size + (*d2)->size);
- void *elm = _xbt_dynar_elm((*d1), (*d1)->used);
-
- memcpy(elm, ptr, ((*d2)->size)*elmsize);
- (*d1)->used += (*d2)->used;
- (*d2)->used = 0;
- xbt_dynar_free(d2);
-}
-
/**
* @brief Shrink the dynar by removing empty slots at the end of the internal array
* @param dynar a dynar
}
}
-/** @brief free a dynar passed as void* (handy to store dynar in dynars or dict) */
-void xbt_dynar_free_voidp(void* d)
-{
- xbt_dynar_t dynar = (xbt_dynar_t)d;
- xbt_dynar_free(&dynar);
-}
-
/** @brief Count of dynar's elements
*
* @param dynar the dynar we want to measure
return _xbt_dynar_elm(dynar, idx);
}
-/** @brief Set the Nth element of a dynar (expanded if needed). Previous value at this position is NOT freed
- *
- * @param dynar information dealer
- * @param idx index of the slot we want to modify
- * @param src What will be feeded to the dynar
- *
- * If you want to free the previous content, use xbt_dynar_replace().
- */
-void xbt_dynar_set(xbt_dynar_t dynar, int idx, const void* src)
-{
- memcpy(xbt_dynar_set_at_ptr(dynar, idx), src, dynar->elmsize);
-}
-
-/** @brief Set the Nth element of a dynar (expanded if needed). Previous value is freed
- *
- * @param dynar
- * @param idx
- * @param object
- *
- * Set the Nth element of a dynar, expanding the dynar if needed, AND DO free the previous value at this position. If
- * you don't want to free the previous content, use xbt_dynar_set().
- */
-void xbt_dynar_replace(xbt_dynar_t dynar, unsigned long idx, const void* object)
-{
- _sanity_check_dynar(dynar);
-
- if (idx < dynar->used && dynar->free_f) {
- void *const old_object = _xbt_dynar_elm(dynar, idx);
-
- dynar->free_f(old_object);
- }
-
- xbt_dynar_set(dynar, idx, object);
-}
-
/** @brief Make room for a new element, and return a pointer to it
*
* You can then use regular affectation to set its value instead of relying on the slow memcpy. This is what
dynar->used--;
}
-/** @brief Remove a slice of the dynar, sliding the rest of the values to the left
- *
- * This function removes an n-sized slice that starts at element idx. It is equivalent to xbt_dynar_remove_at with a
- * nullptr object argument if n equals to 1.
- *
- * Each of the removed elements is freed using the free_f function passed at dynar creation.
- */
-void xbt_dynar_remove_n_at(xbt_dynar_t dynar, unsigned int n, int idx)
-{
- if (not n)
- return;
-
- _sanity_check_dynar(dynar);
- _check_inbound_idx(dynar, idx);
- _check_inbound_idx(dynar, idx + n - 1);
-
- if (dynar->free_f) {
- for (unsigned long cur = idx; cur < idx + n; cur++) {
- dynar->free_f(_xbt_dynar_elm(dynar, cur));
- }
- }
-
- unsigned long nb_shift = dynar->used - n - idx;
-
- if (nb_shift) {
- unsigned long offset = nb_shift * dynar->elmsize;
- memmove(_xbt_dynar_elm(dynar, idx), _xbt_dynar_elm(dynar, idx + n), offset);
- }
-
- dynar->used -= n;
-}
-
-/** @brief Returns the position of the element in the dynar
- *
- * Beware that if your dynar contains pointed values (such as strings) instead of scalar, this function compares the
- * pointer value, not what's pointed. The only solution to search for a pointed value is then to write the foreach loop
- * yourself:
- * @code
- * signed int position = -1;
- * xbt_dynar_foreach(dynar, iter, elem) {
- * if (not memcmp(elem, searched_element, sizeof(*elem))) {
- * position = iter;
- * break;
- * }
- * }
- * @endcode
- *
- * Raises std::out_of_range if not found. If you have less than 2 millions elements, you probably want to use
- * #xbt_dynar_search_or_negative() instead, so that you don't have to try/catch on element not found.
- */
-unsigned int xbt_dynar_search(const_xbt_dynar_t dynar, const void* elem)
-{
- unsigned long it;
-
- for (it = 0; it < dynar->used; it++)
- if (not memcmp(_xbt_dynar_elm(dynar, it), elem, dynar->elmsize)) {
- return it;
- }
-
- throw std::out_of_range(simgrid::xbt::string_printf("Element %p not part of dynar %p", elem, dynar));
-}
-
/** @brief Returns the position of the element in the dynar (or -1 if not found)
*
* Beware that if your dynar contains pointed values (such as strings) instead of scalar, this function is probably not
xbt_free(dynar);
return res;
}
-
-/** @brief Compare two dynars
- *
- * @param d1 first dynar to compare
- * @param d2 second dynar to compare
- * @param compar function to use to compare elements
- * @return 0 if d1 and d2 are equal and 1 if not equal
- *
- * d1 and d2 should be dynars of pointers. The compar function takes two elements and returns 0 when they are
- * considered equal, and a value different of zero when they are considered different. Finally, d2 is destroyed
- * afterwards.
- */
-int xbt_dynar_compare(const_xbt_dynar_t d1, xbt_dynar_t d2, int (*compar)(const void*, const void*))
-{
- int i ;
- int size;
- if ((not d1) && (not d2))
- return 0;
- if ((not d1) || (not d2)) {
- XBT_DEBUG("nullptr dynar d1=%p d2=%p",d1,d2);
- xbt_dynar_free(&d2);
- return 1;
- }
- if((d1->elmsize)!=(d2->elmsize)) {
- XBT_DEBUG("Size of elmsize d1=%lu d2=%lu",d1->elmsize,d2->elmsize);
- xbt_dynar_free(&d2);
- return 1; // xbt_die
- }
- if(xbt_dynar_length(d1) != xbt_dynar_length(d2)) {
- XBT_DEBUG("Size of dynar d1=%lu d2=%lu",xbt_dynar_length(d1),xbt_dynar_length(d2));
- xbt_dynar_free(&d2);
- return 1;
- }
-
- size = xbt_dynar_length(d1);
- for(i=0;i<size;i++) {
- void *data1 = xbt_dynar_get_as(d1, i, void *);
- void *data2 = xbt_dynar_get_as(d2, i, void *);
- XBT_DEBUG("link[%d] d1=%p d2=%p",i,data1,data2);
- if(compar(data1,data2)){
- xbt_dynar_free(&d2);
- return 1;
- }
- }
- xbt_dynar_free(&d2);
- return 0;
-}
