/* a generic DYNamic ARray implementation. */
-/* Copyright (c) 2004-2021. The SimGrid Team.
+/* Copyright (c) 2004-2023. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
dynar->used = 0;
}
-/**
- * Shrinks (reduces) the dynar by removing empty slots in the internal storage to save memory.
- * If @c empty_slots_wanted is not zero, this operation preserves that amount of empty slot, for fast future additions.
- * Note that if @c empty_slots_wanted is large enough, the internal array is expanded instead of shrunk.
- *
- * @param dynar a dynar
- * @param empty_slots_wanted number of empty slots elements that can be inserted the internal storage without resizing it
- */
-void xbt_dynar_shrink(xbt_dynar_t dynar, int empty_slots_wanted)
-{
- _xbt_dynar_resize(dynar, dynar->used + empty_slots_wanted);
-}
-
/** @brief Destructor: kilkil a dynar and its content. */
void xbt_dynar_free(xbt_dynar_t* dynar)
{
void *res;
unsigned long old_used;
unsigned long new_used;
- long nb_shift;
_sanity_check_dynar(dynar);
_sanity_check_idx(idx);
_xbt_dynar_expand(dynar, new_used);
- nb_shift = old_used - idx;
-
- if (nb_shift>0) {
+ if (long nb_shift = old_used - idx; nb_shift > 0) {
memmove(_xbt_dynar_elm(dynar, idx + 1), _xbt_dynar_elm(dynar, idx), nb_shift * dynar->elmsize);
}
dynar->free_f(_xbt_dynar_elm(dynar, idx));
}
- unsigned long nb_shift = dynar->used - 1 - idx;
-
- if (nb_shift) {
+ if (unsigned long nb_shift = dynar->used - 1 - idx; nb_shift > 0) {
unsigned long offset = nb_shift * dynar->elmsize;
memmove(_xbt_dynar_elm(dynar, idx), _xbt_dynar_elm(dynar, idx + 1), offset);
}
}
@endverbatim
*
- * And now, a function to sort a dynar of MSG hosts depending on their speed:
- * @verbatim
- int cmpfunc(const MSG_host_t a, const MSG_host_t b) {
- MSG_host_t hostA = *(MSG_host_t*)a;
- MSG_host_t hostB = *(MSG_host_t*)b;
- return MSG_host_get_speed(hostA) - MSG_host_get_speed(hostB);
- }
- @endverbatim
- *
* @param dynar the dynar to sort
* @param compar_fn comparison function of type (int (compar_fn*) (const void*) (const void*)).
*/
if (dynar->data != nullptr)
qsort(dynar->data, dynar->used, dynar->elmsize, compar_fn);
}
-
-/** @brief Transform a dynar into a nullptr terminated array.
- *
- * @param dynar the dynar to transform
- * @return pointer to the first element of the array
- *
- * Note: The dynar won't be usable afterwards.
- */
-void* xbt_dynar_to_array(xbt_dynar_t dynar) // XBT_ATTRIB_DEPRECATED_v331
-{
- void* res;
- xbt_dynar_shrink(dynar, 1);
- memset(xbt_dynar_push_ptr(dynar), 0, dynar->elmsize);
- res = dynar->data;
- xbt_free(dynar);
- return res;
-}