1 /* a generic DYNamic ARray implementation. */
3 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
4 * All rights reserved. */
6 /* This program is free software; you can redistribute it and/or modify it
7 * under the terms of the license (GNU LGPL) which comes with this package. */
10 #include "xbt/sysdep.h"
13 #include "xbt/dynar.h"
14 #include <sys/types.h>
16 /* IMPLEMENTATION NOTE ON SYNCHRONIZATION: every functions which name is prefixed by _
17 * assumes that the dynar is already locked if we have to.
18 * Other functions (public ones) check for this.
21 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_dyn, xbt, "Dynamic arrays");
23 static XBT_INLINE void _dynar_lock(xbt_dynar_t dynar)
26 xbt_mutex_acquire(dynar->mutex);
29 static XBT_INLINE void _dynar_unlock(xbt_dynar_t dynar)
32 xbt_mutex_release(dynar->mutex);
35 static XBT_INLINE void _sanity_check_dynar(xbt_dynar_t dynar)
37 xbt_assert(dynar, "dynar is NULL");
40 static XBT_INLINE void _sanity_check_idx(int idx)
42 xbt_assert(idx >= 0, "dynar idx(=%d) < 0", (int) (idx));
45 static XBT_INLINE void _check_inbound_idx(xbt_dynar_t dynar, int idx)
47 if (idx < 0 || idx >= dynar->used) {
49 THROWF(bound_error, idx,
50 "dynar is not that long. You asked %d, but it's only %lu long",
51 (int) (idx), (unsigned long) dynar->used);
55 static XBT_INLINE void _check_sloppy_inbound_idx(xbt_dynar_t dynar,
58 if (idx > dynar->used) {
60 THROWF(bound_error, idx,
61 "dynar is not that long. You asked %d, but it's only %lu long (could have been equal to it)",
62 (int) (idx), (unsigned long) dynar->used);
66 static XBT_INLINE void _check_populated_dynar(xbt_dynar_t dynar)
68 if (dynar->used == 0) {
70 THROWF(bound_error, 0, "dynar %p is empty", dynar);
74 static void _dynar_map(const xbt_dynar_t dynar, void_f_pvoid_t const op);
77 void _xbt_dynar_resize(xbt_dynar_t dynar, unsigned long new_size)
79 if (new_size != dynar->size) {
80 dynar->size = new_size;
81 dynar->data = xbt_realloc(dynar->data, new_size * dynar->elmsize);
86 void _xbt_dynar_expand(xbt_dynar_t const dynar, const unsigned long nb)
88 const unsigned long old_size = dynar->size;
91 const unsigned long expand = 2 * (old_size + 1);
92 _xbt_dynar_resize(dynar, (nb > expand ? nb : expand));
93 XBT_DEBUG("expand %p from %lu to %lu elements",
94 dynar, old_size, dynar->size);
99 void *_xbt_dynar_elm(const xbt_dynar_t dynar, const unsigned long idx)
101 char *const data = (char *) dynar->data;
102 const unsigned long elmsize = dynar->elmsize;
104 return data + idx * elmsize;
109 _xbt_dynar_get_elm(void *const dst,
110 const xbt_dynar_t dynar, const unsigned long idx)
112 void *const elm = _xbt_dynar_elm(dynar, idx);
114 memcpy(dst, elm, dynar->elmsize);
119 _xbt_dynar_put_elm(const xbt_dynar_t dynar,
120 const unsigned long idx, const void *const src)
122 void *const elm = _xbt_dynar_elm(dynar, idx);
123 const unsigned long elmsize = dynar->elmsize;
125 memcpy(elm, src, elmsize);
130 _xbt_dynar_remove_at(xbt_dynar_t const dynar,
131 const unsigned long idx, void *const object)
134 unsigned long nb_shift;
135 unsigned long offset;
137 _sanity_check_dynar(dynar);
138 _check_inbound_idx(dynar, idx);
141 _xbt_dynar_get_elm(object, dynar, idx);
142 } else if (dynar->free_f) {
143 dynar->free_f(_xbt_dynar_elm(dynar, idx));
146 nb_shift = dynar->used - 1 - idx;
149 offset = nb_shift * dynar->elmsize;
150 memmove(_xbt_dynar_elm(dynar, idx), _xbt_dynar_elm(dynar, idx + 1),
157 void xbt_dynar_dump(xbt_dynar_t dynar)
159 XBT_INFO("Dynar dump: size=%lu; used=%lu; elmsize=%lu; data=%p; free_f=%p",
160 dynar->size, dynar->used, dynar->elmsize, dynar->data,
164 /** @brief Constructor
166 * \param elmsize size of each element in the dynar
167 * \param free_f function to call each time we want to get rid of an element (or NULL if nothing to do).
169 * Creates a new dynar. If a free_func is provided, the elements have to be
170 * pointer of pointer. That is to say that dynars can contain either base
171 * types (int, char, double, etc) or pointer of pointers (struct **).
174 xbt_dynar_new(const unsigned long elmsize, void_f_pvoid_t const free_f)
177 xbt_dynar_t dynar = xbt_new0(s_xbt_dynar_t, 1);
181 dynar->elmsize = elmsize;
183 dynar->free_f = free_f;
189 /** @brief Creates a synchronized dynar.
191 * Just like #xbt_dynar_new, but each access to the structure will be protected by a mutex
195 xbt_dynar_new_sync(const unsigned long elmsize,
196 void_f_pvoid_t const free_f)
198 xbt_dynar_t res = xbt_dynar_new(elmsize, free_f);
199 res->mutex = xbt_mutex_init();
203 /** @brief Destructor of the structure not touching to the content
205 * \param dynar poor victim
207 * kilkil a dynar BUT NOT its content. Ie, the array is freed, but the content
208 * is not touched (the \a free_f function is not used)
210 void xbt_dynar_free_container(xbt_dynar_t * dynar)
212 if (dynar && *dynar) {
213 xbt_dynar_t d = *dynar;
216 xbt_mutex_destroy(d->mutex);
222 /** @brief Frees the content and set the size to 0
224 * \param dynar who to squeeze
226 XBT_INLINE void xbt_dynar_reset(xbt_dynar_t const dynar)
230 _sanity_check_dynar(dynar);
232 XBT_DEBUG("Reset the dynar %p", (void *) dynar);
234 _dynar_map(dynar, dynar->free_f);
238 _dynar_unlock(dynar);
241 /** @brief Merge dynar d2 into d1
243 * \param d1 dynar to keep
244 * \param d2 dynar to merge into d1. This dynar is free at end.
246 void xbt_dynar_merge(xbt_dynar_t *d1, xbt_dynar_t *d2)
248 if((*d1)->elmsize != (*d2)->elmsize)
249 xbt_die("Element size must are not equal");
251 const unsigned long elmsize = (*d1)->elmsize;
253 void *ptr = _xbt_dynar_elm((*d2), 0);
254 _xbt_dynar_resize(*d1, (*d1)->size + (*d2)->size);
255 void *elm = _xbt_dynar_elm((*d1), (*d1)->used);
257 memcpy(elm, ptr, ((*d2)->size)*elmsize);
258 (*d1)->used += (*d2)->used;
264 * \brief Shrink the dynar by removing empty slots at the end of the internal array
265 * \param dynar a dynar
266 * \param empty_slots_wanted number of empty slots you want to keep at the end of the
267 * internal array for further insertions
269 * Reduces the internal array size of the dynar to the number of elements plus
270 * \a empty_slots_wanted.
271 * After removing elements from the dynar, you can call this function to make
272 * the dynar use less memory.
273 * Set \a empty_slots_wanted to zero to reduce the dynar internal array as much
275 * Note that if \a empty_slots_wanted is greater than the array size, the internal
276 * array is expanded instead of shriked.
278 void xbt_dynar_shrink(xbt_dynar_t dynar, int empty_slots_wanted)
281 _xbt_dynar_resize(dynar, dynar->used + empty_slots_wanted);
282 _dynar_unlock(dynar);
285 /** @brief Destructor
287 * \param dynar poor victim
289 * kilkil a dynar and its content
292 XBT_INLINE void xbt_dynar_free(xbt_dynar_t * dynar)
294 if (dynar && *dynar) {
295 xbt_dynar_reset(*dynar);
296 xbt_dynar_free_container(dynar);
300 /** \brief free a dynar passed as void* (handy to store dynar in dynars or dict) */
301 void xbt_dynar_free_voidp(void *d)
303 xbt_dynar_t dynar = (xbt_dynar_t)d;
304 xbt_dynar_free(&dynar);
307 /** @brief Count of dynar's elements
309 * \param dynar the dynar we want to mesure
311 XBT_INLINE unsigned long xbt_dynar_length(const xbt_dynar_t dynar)
313 return (dynar ? (unsigned long) dynar->used : (unsigned long) 0);
316 /**@brief check if a dynar is empty
318 *\param dynar the dynat we want to check
321 XBT_INLINE int xbt_dynar_is_empty(const xbt_dynar_t dynar)
323 return (xbt_dynar_length(dynar) == 0);
326 /** @brief Retrieve a copy of the Nth element of a dynar.
328 * \param dynar information dealer
329 * \param idx index of the slot we want to retrieve
330 * \param[out] dst where to put the result to.
333 xbt_dynar_get_cpy(const xbt_dynar_t dynar,
334 const unsigned long idx, void *const dst)
337 _sanity_check_dynar(dynar);
338 _check_inbound_idx(dynar, idx);
340 _xbt_dynar_get_elm(dst, dynar, idx);
341 _dynar_unlock(dynar);
344 /** @brief Retrieve a pointer to the Nth element of a dynar.
346 * \param dynar information dealer
347 * \param idx index of the slot we want to retrieve
348 * \return the \a idx-th element of \a dynar.
350 * \warning The returned value is the actual content of the dynar.
351 * Make a copy before fooling with it.
353 XBT_INLINE void *xbt_dynar_get_ptr(const xbt_dynar_t dynar,
354 const unsigned long idx)
359 _sanity_check_dynar(dynar);
360 _check_inbound_idx(dynar, idx);
362 res = _xbt_dynar_elm(dynar, idx);
363 _dynar_unlock(dynar);
367 /* not synchronized */
368 static XBT_INLINE void *_xbt_dynar_set_at_ptr(const xbt_dynar_t dynar,
369 const unsigned long idx)
371 _sanity_check_dynar(dynar);
373 if (idx >= dynar->used) {
374 _xbt_dynar_expand(dynar, idx + 1);
375 if (idx > dynar->used) {
376 memset(_xbt_dynar_elm(dynar, dynar->used), 0,
377 (idx - dynar->used) * dynar->elmsize);
379 dynar->used = idx + 1;
381 return _xbt_dynar_elm(dynar, idx);
384 XBT_INLINE void *xbt_dynar_set_at_ptr(const xbt_dynar_t dynar,
385 const unsigned long idx)
389 res = _xbt_dynar_set_at_ptr(dynar, idx);
390 _dynar_unlock(dynar);
394 static void XBT_INLINE /* not synchronized */
395 _xbt_dynar_set(xbt_dynar_t dynar,
396 const unsigned long idx, const void *const src)
398 memcpy(_xbt_dynar_set_at_ptr(dynar, idx), src, dynar->elmsize);
401 /** @brief Set the Nth element of a dynar (expanded if needed). Previous value at this position is NOT freed
403 * \param dynar information dealer
404 * \param idx index of the slot we want to modify
405 * \param src What will be feeded to the dynar
407 * If you want to free the previous content, use xbt_dynar_replace().
409 XBT_INLINE void xbt_dynar_set(xbt_dynar_t dynar, const int idx,
410 const void *const src)
414 _xbt_dynar_set(dynar, idx, src);
415 _dynar_unlock(dynar);
418 /** @brief Set the Nth element of a dynar (expanded if needed). Previous value is freed
424 * Set the Nth element of a dynar, expanding the dynar if needed, AND DO
425 * free the previous value at this position. If you don't want to free the
426 * previous content, use xbt_dynar_set().
429 xbt_dynar_replace(xbt_dynar_t dynar,
430 const unsigned long idx, const void *const object)
433 _sanity_check_dynar(dynar);
435 if (idx < dynar->used && dynar->free_f) {
436 void *const old_object = _xbt_dynar_elm(dynar, idx);
438 dynar->free_f(old_object);
441 _xbt_dynar_set(dynar, idx, object);
442 _dynar_unlock(dynar);
445 static XBT_INLINE void *_xbt_dynar_insert_at_ptr(xbt_dynar_t const dynar,
446 const unsigned long idx)
449 unsigned long old_used;
450 unsigned long new_used;
453 _sanity_check_dynar(dynar);
454 _sanity_check_idx(idx);
456 old_used = dynar->used;
457 new_used = old_used + 1;
459 _xbt_dynar_expand(dynar, new_used);
461 nb_shift = old_used - idx;
464 memmove(_xbt_dynar_elm(dynar, idx + 1),
465 _xbt_dynar_elm(dynar, idx), nb_shift * dynar->elmsize);
468 dynar->used = new_used;
469 res = _xbt_dynar_elm(dynar, idx);
473 /** @brief Make room for a new element, and return a pointer to it
475 * You can then use regular affectation to set its value instead of relying
476 * on the slow memcpy. This is what xbt_dynar_insert_at_as() does.
478 void *xbt_dynar_insert_at_ptr(xbt_dynar_t const dynar, const int idx)
483 res = _xbt_dynar_insert_at_ptr(dynar, idx);
484 _dynar_unlock(dynar);
488 /** @brief Set the Nth dynar's element, expanding the dynar and sliding the previous values to the right
490 * Set the Nth element of a dynar, expanding the dynar if needed, and
491 * moving the previously existing value and all subsequent ones to one
492 * position right in the dynar.
495 xbt_dynar_insert_at(xbt_dynar_t const dynar,
496 const int idx, const void *const src)
500 /* checks done in xbt_dynar_insert_at_ptr */
501 memcpy(_xbt_dynar_insert_at_ptr(dynar, idx), src, dynar->elmsize);
502 _dynar_unlock(dynar);
505 /** @brief Remove the Nth dynar's element, sliding the previous values to the left
507 * Get the Nth element of a dynar, removing it from the dynar and moving
508 * all subsequent values to one position left in the dynar.
510 * If the object argument of this function is a non-null pointer, the removed
511 * element is copied to this address. If not, the element is freed using the
512 * free_f function passed at dynar creation.
515 xbt_dynar_remove_at(xbt_dynar_t const dynar,
516 const int idx, void *const object)
520 _xbt_dynar_remove_at(dynar, idx, object);
521 _dynar_unlock(dynar);
524 /** @brief Returns the position of the element in the dynar
526 * Raises not_found_error if not found.
528 unsigned int xbt_dynar_search(xbt_dynar_t const dynar, void *const elem)
533 for (it = 0; it < dynar->used; it++)
534 if (!memcmp(_xbt_dynar_elm(dynar, it), elem, dynar->elmsize)) {
535 _dynar_unlock(dynar);
539 _dynar_unlock(dynar);
540 THROWF(not_found_error, 0, "Element %p not part of dynar %p", elem,
544 /** @brief Returns a boolean indicating whether the element is part of the dynar */
545 int xbt_dynar_member(xbt_dynar_t const dynar, void *const elem)
551 xbt_dynar_search(dynar, elem);
554 if (e.category == not_found_error) {
563 /** @brief Make room at the end of the dynar for a new element, and return a pointer to it.
565 * You can then use regular affectation to set its value instead of relying
566 * on the slow memcpy. This is what xbt_dynar_push_as() does.
568 XBT_INLINE void *xbt_dynar_push_ptr(xbt_dynar_t const dynar)
572 /* we have to inline xbt_dynar_insert_at_ptr here to make sure that
573 dynar->used don't change between reading it and getting the lock
574 within xbt_dynar_insert_at_ptr */
576 res = _xbt_dynar_insert_at_ptr(dynar, dynar->used);
577 _dynar_unlock(dynar);
581 /** @brief Add an element at the end of the dynar */
582 XBT_INLINE void xbt_dynar_push(xbt_dynar_t const dynar,
583 const void *const src)
586 /* checks done in xbt_dynar_insert_at_ptr */
587 memcpy(_xbt_dynar_insert_at_ptr(dynar, dynar->used), src,
589 _dynar_unlock(dynar);
592 /** @brief Mark the last dynar's element as unused and return a pointer to it.
594 * You can then use regular affectation to set its value instead of relying
595 * on the slow memcpy. This is what xbt_dynar_pop_as() does.
597 XBT_INLINE void *xbt_dynar_pop_ptr(xbt_dynar_t const dynar)
602 _check_populated_dynar(dynar);
603 XBT_DEBUG("Pop %p", (void *) dynar);
605 res = _xbt_dynar_elm(dynar, dynar->used);
606 _dynar_unlock(dynar);
610 /** @brief Get and remove the last element of the dynar */
611 XBT_INLINE void xbt_dynar_pop(xbt_dynar_t const dynar, void *const dst)
614 /* sanity checks done by remove_at */
615 XBT_DEBUG("Pop %p", (void *) dynar);
617 _xbt_dynar_remove_at(dynar, dynar->used - 1, dst);
618 _dynar_unlock(dynar);
621 /** @brief Add an element at the begining of the dynar.
623 * This is less efficient than xbt_dynar_push()
625 XBT_INLINE void xbt_dynar_unshift(xbt_dynar_t const dynar,
626 const void *const src)
629 /* sanity checks done by insert_at */
630 xbt_dynar_insert_at(dynar, 0, src);
633 /** @brief Get and remove the first element of the dynar.
635 * This is less efficient than xbt_dynar_pop()
637 XBT_INLINE void xbt_dynar_shift(xbt_dynar_t const dynar, void *const dst)
640 /* sanity checks done by remove_at */
641 xbt_dynar_remove_at(dynar, 0, dst);
644 static void _dynar_map(const xbt_dynar_t dynar, void_f_pvoid_t const op)
646 char *const data = (char *) dynar->data;
647 const unsigned long elmsize = dynar->elmsize;
648 const unsigned long used = dynar->used;
651 for (i = 0; i < used; i++) {
652 char* elm = (char*) data + i * elmsize;
657 /** @brief Apply a function to each member of a dynar
659 * The mapped function may change the value of the element itself,
660 * but should not mess with the structure of the dynar.
662 * If the dynar is synchronized, it is locked during the whole map
663 * operation, so make sure your function don't call any function
664 * from xbt_dynar_* on it, or you'll get a deadlock.
666 XBT_INLINE void xbt_dynar_map(const xbt_dynar_t dynar,
667 void_f_pvoid_t const op)
670 _sanity_check_dynar(dynar);
673 _dynar_map(dynar, op);
675 _dynar_unlock(dynar);
679 /** @brief Removes and free the entry pointed by the cursor
681 * This function can be used while traversing without problem.
683 XBT_INLINE void xbt_dynar_cursor_rm(xbt_dynar_t dynar,
684 unsigned int *const cursor)
687 _xbt_dynar_remove_at(dynar, (*cursor)--, NULL);
690 /** @brief Unlocks a synchronized dynar when you want to break the traversal
692 * This function must be used if you <tt>break</tt> the
693 * xbt_dynar_foreach loop, but shouldn't be called at the end of a
694 * regular traversal reaching the end of the elements
696 XBT_INLINE void xbt_dynar_cursor_unlock(xbt_dynar_t dynar)
698 _dynar_unlock(dynar);
701 /** @brief Sorts a dynar according to the function <tt>compar_fn</tt>
703 * \param dynar the dynar to sort
704 * \param compar_fn comparison function of type (int (compar_fn*) (void*) (void*)).
706 * Remark: if the elements stored in the dynar are structures, the compar_fn
707 * function has to retrieve the field to sort first.
709 XBT_INLINE void xbt_dynar_sort(xbt_dynar_t dynar,
710 int_f_cpvoid_cpvoid_t compar_fn)
715 #ifdef HAVE_MERGESORT
716 mergesort(dynar->data, dynar->used, dynar->elmsize, compar_fn);
718 qsort(dynar->data, dynar->used, dynar->elmsize, compar_fn);
720 _dynar_unlock(dynar);
723 /** @brief Transform a dynar into a NULL terminated array
725 * \param dynar the dynar to transform
727 XBT_INLINE void * xbt_dynar_to_array (xbt_dynar_t dynar)
730 xbt_dynar_shrink(dynar, 1);
731 memset(xbt_dynar_push_ptr(dynar), 0, dynar->elmsize);
734 xbt_mutex_destroy(dynar->mutex);
740 * Return 0 if d1 and d2 are equal and 1 if not equal
742 XBT_INLINE int xbt_dynar_compare(xbt_dynar_t d1, xbt_dynar_t d2,
743 int(*compar)(const void *, const void *))
747 if((!d1) && (!d2)) return 0;
750 XBT_DEBUG("NULL dynar d1=%p d2=%p",d1,d2);
754 if((d1->elmsize)!=(d2->elmsize))
756 XBT_DEBUG("Size of elmsize d1=%lu d2=%lu",d1->elmsize,d2->elmsize);
760 if(xbt_dynar_length(d1) != xbt_dynar_length(d2))
762 XBT_DEBUG("Size of dynar d1=%lu d2=%lu",xbt_dynar_length(d1),xbt_dynar_length(d2));
767 size = xbt_dynar_length(d1);
770 void *data1 = xbt_dynar_get_as(d1, i, void *);
771 void *data2 = xbt_dynar_get_as(d2, i, void *);
772 XBT_DEBUG("link[%d] d1=%p d2=%p",i,data1,data2);
773 if(compar(data1,data2)){
786 XBT_TEST_SUITE("dynar", "Dynar data container");
787 XBT_LOG_EXTERNAL_CATEGORY(xbt_dyn);
788 XBT_LOG_DEFAULT_CATEGORY(xbt_dyn);
790 XBT_TEST_UNIT("int", test_dynar_int, "Dynars of integers")
792 /* Vars_decl [doxygen cruft] */
798 xbt_test_add("==== Traverse the empty dynar");
799 d = xbt_dynar_new(sizeof(int), NULL);
800 xbt_dynar_foreach(d, cursor, i) {
801 xbt_die( "Damnit, there is something in the empty dynar");
803 xbt_dynar_free(&d); /* This code is used both as example and as regression test, so we try to */
804 xbt_dynar_free(&d); /* free the struct twice here to check that it's ok, but freeing it only once */
805 /* in your code is naturally the way to go outside a regression test */
808 ("==== Push %d int, set them again 3 times, traverse them, shift them",
810 /* Populate_ints [doxygen cruft] */
811 /* 1. Populate the dynar */
812 d = xbt_dynar_new(sizeof(int), NULL);
813 for (cpt = 0; cpt < NB_ELEM; cpt++) {
814 xbt_dynar_push_as(d, int, cpt); /* This is faster (and possible only with scalars) */
815 /* xbt_dynar_push(d,&cpt); This would also work */
816 xbt_test_log("Push %d, length=%lu", cpt, xbt_dynar_length(d));
819 /* 2. Traverse manually the dynar */
820 for (cursor = 0; cursor < NB_ELEM; cursor++) {
821 iptr = xbt_dynar_get_ptr(d, cursor);
822 xbt_test_assert(cursor == *iptr,
823 "The retrieved value is not the same than the injected one (%u!=%d)",
827 /* 3. Traverse the dynar using the neat macro to that extend */
828 xbt_dynar_foreach(d, cursor, cpt) {
829 xbt_test_assert(cursor == cpt,
830 "The retrieved value is not the same than the injected one (%u!=%d)",
833 /* end_of_traversal */
835 for (cpt = 0; cpt < NB_ELEM; cpt++)
836 *(int *) xbt_dynar_get_ptr(d, cpt) = cpt;
838 for (cpt = 0; cpt < NB_ELEM; cpt++)
839 *(int *) xbt_dynar_get_ptr(d, cpt) = cpt;
840 /* xbt_dynar_set(d,cpt,&cpt); */
842 for (cpt = 0; cpt < NB_ELEM; cpt++)
843 *(int *) xbt_dynar_get_ptr(d, cpt) = cpt;
846 xbt_dynar_foreach(d, cursor, i) {
847 xbt_test_assert(i == cpt,
848 "The retrieved value is not the same than the injected one (%d!=%d)",
852 xbt_test_assert(cpt == NB_ELEM,
853 "Cannot retrieve my %d values. Last got one is %d",
856 /* shifting [doxygen cruft] */
857 /* 4. Shift all the values */
858 for (cpt = 0; cpt < NB_ELEM; cpt++) {
859 xbt_dynar_shift(d, &i);
860 xbt_test_assert(i == cpt,
861 "The retrieved value is not the same than the injected one (%d!=%d)",
863 xbt_test_log("Pop %d, length=%lu", cpt, xbt_dynar_length(d));
866 /* 5. Free the resources */
867 xbt_dynar_free(&d); /* This code is used both as example and as regression test, so we try to */
868 xbt_dynar_free(&d); /* free the struct twice here to check that it's ok, but freeing it only once */
869 /* in your code is naturally the way to go outside a regression test */
871 xbt_test_add("==== Unshift/pop %d int", NB_ELEM);
872 d = xbt_dynar_new(sizeof(int), NULL);
873 for (cpt = 0; cpt < NB_ELEM; cpt++) {
874 xbt_dynar_unshift(d, &cpt);
875 XBT_DEBUG("Push %d, length=%lu", cpt, xbt_dynar_length(d));
877 for (cpt = 0; cpt < NB_ELEM; cpt++) {
878 i = xbt_dynar_pop_as(d, int);
879 xbt_test_assert(i == cpt,
880 "The retrieved value is not the same than the injected one (%d!=%d)",
882 xbt_test_log("Pop %d, length=%lu", cpt, xbt_dynar_length(d));
884 xbt_dynar_free(&d); /* This code is used both as example and as regression test, so we try to */
885 xbt_dynar_free(&d); /* free the struct twice here to check that it's ok, but freeing it only once */
886 /* in your code is naturally the way to go outside a regression test */
890 ("==== Push %d int, insert 1000 int in the middle, shift everything",
892 d = xbt_dynar_new(sizeof(int), NULL);
893 for (cpt = 0; cpt < NB_ELEM; cpt++) {
894 xbt_dynar_push_as(d, int, cpt);
895 XBT_DEBUG("Push %d, length=%lu", cpt, xbt_dynar_length(d));
897 for (cpt = 0; cpt < NB_ELEM/5; cpt++) {
898 xbt_dynar_insert_at_as(d, NB_ELEM/2, int, cpt);
899 XBT_DEBUG("Push %d, length=%lu", cpt, xbt_dynar_length(d));
902 for (cpt = 0; cpt < NB_ELEM/2; cpt++) {
903 xbt_dynar_shift(d, &i);
904 xbt_test_assert(i == cpt,
905 "The retrieved value is not the same than the injected one at the begining (%d!=%d)",
907 XBT_DEBUG("Pop %d, length=%lu", cpt, xbt_dynar_length(d));
909 for (cpt = 999; cpt >= 0; cpt--) {
910 xbt_dynar_shift(d, &i);
911 xbt_test_assert(i == cpt,
912 "The retrieved value is not the same than the injected one in the middle (%d!=%d)",
915 for (cpt = 2500; cpt < NB_ELEM; cpt++) {
916 xbt_dynar_shift(d, &i);
917 xbt_test_assert(i == cpt,
918 "The retrieved value is not the same than the injected one at the end (%d!=%d)",
921 xbt_dynar_free(&d); /* This code is used both as example and as regression test, so we try to */
922 xbt_dynar_free(&d); /* free the struct twice here to check that it's ok, but freeing it only once */
923 /* in your code is naturally the way to go outside a regression test */
925 xbt_test_add("==== Push %d int, remove 2000-4000. free the rest",
927 d = xbt_dynar_new(sizeof(int), NULL);
928 for (cpt = 0; cpt < NB_ELEM; cpt++)
929 xbt_dynar_push_as(d, int, cpt);
931 for (cpt = 2000; cpt < 4000; cpt++) {
932 xbt_dynar_remove_at(d, 2000, &i);
933 xbt_test_assert(i == cpt,
934 "Remove a bad value. Got %d, expected %d", i, cpt);
935 XBT_DEBUG("remove %d, length=%lu", cpt, xbt_dynar_length(d));
937 xbt_dynar_free(&d); /* This code is used both as example and as regression test, so we try to */
938 xbt_dynar_free(&d); /* free the struct twice here to check that it's ok, but freeing it only once */
939 /* in your code is naturally the way to go outside a regression test */
942 /*******************************************************************************/
943 /*******************************************************************************/
944 /*******************************************************************************/
945 XBT_TEST_UNIT("insert",test_dynar_insert,"Using the xbt_dynar_insert and xbt_dynar_remove functions")
947 xbt_dynar_t d = xbt_dynar_new(sizeof(unsigned int), NULL);
951 xbt_test_add("==== Insert %d int, traverse them, remove them",NB_ELEM);
952 /* Populate_ints [doxygen cruft] */
953 /* 1. Populate the dynar */
954 for (cpt = 0; cpt < NB_ELEM; cpt++) {
955 xbt_dynar_insert_at(d, cpt, &cpt);
956 xbt_test_log("Push %d, length=%lu", cpt, xbt_dynar_length(d));
959 /* 3. Traverse the dynar */
960 xbt_dynar_foreach(d, cursor, cpt) {
961 xbt_test_assert(cursor == cpt,
962 "The retrieved value is not the same than the injected one (%u!=%d)",
965 /* end_of_traversal */
967 /* Re-fill with the same values using set_as (and re-verify) */
968 for (cpt = 0; cpt < NB_ELEM; cpt++)
969 xbt_dynar_set_as(d, cpt, int, cpt);
970 xbt_dynar_foreach(d, cursor, cpt)
971 xbt_test_assert(cursor == cpt,
972 "The retrieved value is not the same than the injected one (%u!=%d)",
975 for (cpt = 0; cpt < NB_ELEM; cpt++) {
977 xbt_dynar_remove_at(d,0,&val);
978 xbt_test_assert(cpt == val,
979 "The retrieved value is not the same than the injected one (%u!=%d)",
982 xbt_test_assert(xbt_dynar_is_empty(d),
983 "There is still %lu elements in the dynar after removing everything",
984 xbt_dynar_length(d));
987 /* ********************* */
988 xbt_test_add("==== Insert %d int in reverse order, traverse them, remove them",NB_ELEM);
989 d = xbt_dynar_new(sizeof(int), NULL);
990 for (cpt = NB_ELEM-1; cpt >=0; cpt--) {
991 xbt_dynar_replace(d, cpt, &cpt);
992 xbt_test_log("Push %d, length=%lu", cpt, xbt_dynar_length(d));
995 /* 3. Traverse the dynar */
996 xbt_dynar_foreach(d, cursor, cpt) {
997 xbt_test_assert(cursor == cpt,
998 "The retrieved value is not the same than the injected one (%u!=%d)",
1001 /* end_of_traversal */
1003 for (cpt =NB_ELEM-1; cpt >=0; cpt--) {
1005 xbt_dynar_remove_at(d,xbt_dynar_length(d)-1,&val);
1006 xbt_test_assert(cpt == val,
1007 "The retrieved value is not the same than the injected one (%u!=%d)",
1010 xbt_test_assert(xbt_dynar_is_empty(d),
1011 "There is still %lu elements in the dynar after removing everything",
1012 xbt_dynar_length(d));
1016 /*******************************************************************************/
1017 /*******************************************************************************/
1018 /*******************************************************************************/
1019 XBT_TEST_UNIT("double", test_dynar_double, "Dynars of doubles")
1023 unsigned int cursor;
1026 xbt_test_add("==== Traverse the empty dynar");
1027 d = xbt_dynar_new(sizeof(int), NULL);
1028 xbt_dynar_foreach(d, cursor, cpt) {
1029 xbt_test_assert(FALSE,
1030 "Damnit, there is something in the empty dynar");
1032 xbt_dynar_free(&d); /* This code is used both as example and as regression test, so we try to */
1033 xbt_dynar_free(&d); /* free the struct twice here to check that it's ok, but freeing it only once */
1034 /* in your code is naturally the way to go outside a regression test */
1036 xbt_test_add("==== Push/shift 5000 doubles");
1037 d = xbt_dynar_new(sizeof(double), NULL);
1038 for (cpt = 0; cpt < 5000; cpt++) {
1040 xbt_dynar_push(d, &d1);
1042 xbt_dynar_foreach(d, cursor, d2) {
1043 d1 = (double) cursor;
1044 xbt_test_assert(d1 == d2,
1045 "The retrieved value is not the same than the injected one (%f!=%f)",
1048 for (cpt = 0; cpt < 5000; cpt++) {
1050 xbt_dynar_shift(d, &d2);
1051 xbt_test_assert(d1 == d2,
1052 "The retrieved value is not the same than the injected one (%f!=%f)",
1055 xbt_dynar_free(&d); /* This code is used both as example and as regression test, so we try to */
1056 xbt_dynar_free(&d); /* free the struct twice here to check that it's ok, but freeing it only once */
1057 /* in your code is naturally the way to go outside a regression test */
1059 xbt_test_add("==== Unshift/pop 5000 doubles");
1060 d = xbt_dynar_new(sizeof(double), NULL);
1061 for (cpt = 0; cpt < 5000; cpt++) {
1063 xbt_dynar_unshift(d, &d1);
1065 for (cpt = 0; cpt < 5000; cpt++) {
1067 xbt_dynar_pop(d, &d2);
1068 xbt_test_assert(d1 == d2,
1069 "The retrieved value is not the same than the injected one (%f!=%f)",
1072 xbt_dynar_free(&d); /* This code is used both as example and as regression test, so we try to */
1073 xbt_dynar_free(&d); /* free the struct twice here to check that it's ok, but freeing it only once */
1074 /* in your code is naturally the way to go outside a regression test */
1079 ("==== Push 5000 doubles, insert 1000 doubles in the middle, shift everything");
1080 d = xbt_dynar_new(sizeof(double), NULL);
1081 for (cpt = 0; cpt < 5000; cpt++) {
1083 xbt_dynar_push(d, &d1);
1085 for (cpt = 0; cpt < 1000; cpt++) {
1087 xbt_dynar_insert_at(d, 2500, &d1);
1090 for (cpt = 0; cpt < 2500; cpt++) {
1092 xbt_dynar_shift(d, &d2);
1093 xbt_test_assert(d1 == d2,
1094 "The retrieved value is not the same than the injected one at the begining (%f!=%f)",
1096 XBT_DEBUG("Pop %d, length=%lu", cpt, xbt_dynar_length(d));
1098 for (cpt = 999; cpt >= 0; cpt--) {
1100 xbt_dynar_shift(d, &d2);
1101 xbt_test_assert(d1 == d2,
1102 "The retrieved value is not the same than the injected one in the middle (%f!=%f)",
1105 for (cpt = 2500; cpt < 5000; cpt++) {
1107 xbt_dynar_shift(d, &d2);
1108 xbt_test_assert(d1 == d2,
1109 "The retrieved value is not the same than the injected one at the end (%f!=%f)",
1112 xbt_dynar_free(&d); /* This code is used both as example and as regression test, so we try to */
1113 xbt_dynar_free(&d); /* free the struct twice here to check that it's ok, but freeing it only once */
1114 /* in your code is naturally the way to go outside a regression test */
1117 xbt_test_add("==== Push 5000 double, remove 2000-4000. free the rest");
1118 d = xbt_dynar_new(sizeof(double), NULL);
1119 for (cpt = 0; cpt < 5000; cpt++) {
1121 xbt_dynar_push(d, &d1);
1123 for (cpt = 2000; cpt < 4000; cpt++) {
1125 xbt_dynar_remove_at(d, 2000, &d2);
1126 xbt_test_assert(d1 == d2,
1127 "Remove a bad value. Got %f, expected %f", d2, d1);
1129 xbt_dynar_free(&d); /* This code is used both as example and as regression test, so we try to */
1130 xbt_dynar_free(&d); /* free the struct twice here to check that it's ok, but freeing it only once */
1131 /* in your code is naturally the way to go outside a regression test */
1135 /* doxygen_string_cruft */
1137 /*******************************************************************************/
1138 /*******************************************************************************/
1139 /*******************************************************************************/
1140 XBT_TEST_UNIT("string", test_dynar_string, "Dynars of strings")
1148 xbt_test_add("==== Traverse the empty dynar");
1149 d = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
1150 xbt_dynar_foreach(d, iter, s1) {
1151 xbt_test_assert(FALSE,
1152 "Damnit, there is something in the empty dynar");
1154 xbt_dynar_free(&d); /* This code is used both as example and as regression test, so we try to */
1155 xbt_dynar_free(&d); /* free the struct twice here to check that it's ok, but freeing it only once */
1156 /* in your code is naturally the way to go outside a regression test */
1158 xbt_test_add("==== Push %d strings, set them again 3 times, shift them",
1160 /* Populate_str [doxygen cruft] */
1161 d = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
1162 /* 1. Populate the dynar */
1163 for (cpt = 0; cpt < NB_ELEM; cpt++) {
1164 sprintf(buf, "%d", cpt);
1166 xbt_dynar_push(d, &s1);
1168 for (cpt = 0; cpt < NB_ELEM; cpt++) {
1169 sprintf(buf, "%d", cpt);
1171 xbt_dynar_replace(d, cpt, &s1);
1173 for (cpt = 0; cpt < NB_ELEM; cpt++) {
1174 sprintf(buf, "%d", cpt);
1176 xbt_dynar_replace(d, cpt, &s1);
1178 for (cpt = 0; cpt < NB_ELEM; cpt++) {
1179 sprintf(buf, "%d", cpt);
1181 xbt_dynar_replace(d, cpt, &s1);
1183 for (cpt = 0; cpt < NB_ELEM; cpt++) {
1184 sprintf(buf, "%d", cpt);
1185 xbt_dynar_shift(d, &s2);
1186 xbt_test_assert(!strcmp(buf, s2),
1187 "The retrieved value is not the same than the injected one (%s!=%s)",
1191 xbt_dynar_free(&d); /* This code is used both as example and as regression test, so we try to */
1192 xbt_dynar_free(&d); /* free the struct twice here to check that it's ok, but freeing it only once */
1193 /* in your code is naturally the way to go outside a regression test */
1195 xbt_test_add("==== Unshift, traverse and pop %d strings", NB_ELEM);
1196 d = xbt_dynar_new(sizeof(char **), &xbt_free_ref);
1197 for (cpt = 0; cpt < NB_ELEM; cpt++) {
1198 sprintf(buf, "%d", cpt);
1200 xbt_dynar_unshift(d, &s1);
1202 /* 2. Traverse the dynar with the macro */
1203 xbt_dynar_foreach(d, iter, s1) {
1204 sprintf(buf, "%u", NB_ELEM - iter - 1);
1205 xbt_test_assert(!strcmp(buf, s1),
1206 "The retrieved value is not the same than the injected one (%s!=%s)",
1209 /* 3. Traverse the dynar with the macro */
1210 for (cpt = 0; cpt < NB_ELEM; cpt++) {
1211 sprintf(buf, "%d", cpt);
1212 xbt_dynar_pop(d, &s2);
1213 xbt_test_assert(!strcmp(buf, s2),
1214 "The retrieved value is not the same than the injected one (%s!=%s)",
1218 /* 4. Free the resources */
1219 xbt_dynar_free(&d); /* This code is used both as example and as regression test, so we try to */
1220 xbt_dynar_free(&d); /* free the struct twice here to check that it's ok, but freeing it only once */
1221 /* in your code is naturally the way to go outside a regression test */
1225 ("==== Push %d strings, insert %d strings in the middle, shift everything",
1226 NB_ELEM, NB_ELEM / 5);
1227 d = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
1228 for (cpt = 0; cpt < NB_ELEM; cpt++) {
1229 sprintf(buf, "%d", cpt);
1231 xbt_dynar_push(d, &s1);
1233 for (cpt = 0; cpt < NB_ELEM / 5; cpt++) {
1234 sprintf(buf, "%d", cpt);
1236 xbt_dynar_insert_at(d, NB_ELEM / 2, &s1);
1239 for (cpt = 0; cpt < NB_ELEM / 2; cpt++) {
1240 sprintf(buf, "%d", cpt);
1241 xbt_dynar_shift(d, &s2);
1242 xbt_test_assert(!strcmp(buf, s2),
1243 "The retrieved value is not the same than the injected one at the begining (%s!=%s)",
1247 for (cpt = (NB_ELEM / 5) - 1; cpt >= 0; cpt--) {
1248 sprintf(buf, "%d", cpt);
1249 xbt_dynar_shift(d, &s2);
1250 xbt_test_assert(!strcmp(buf, s2),
1251 "The retrieved value is not the same than the injected one in the middle (%s!=%s)",
1255 for (cpt = NB_ELEM / 2; cpt < NB_ELEM; cpt++) {
1256 sprintf(buf, "%d", cpt);
1257 xbt_dynar_shift(d, &s2);
1258 xbt_test_assert(!strcmp(buf, s2),
1259 "The retrieved value is not the same than the injected one at the end (%s!=%s)",
1263 xbt_dynar_free(&d); /* This code is used both as example and as regression test, so we try to */
1264 xbt_dynar_free(&d); /* free the struct twice here to check that it's ok, but freeing it only once */
1265 /* in your code is naturally the way to go outside a regression test */
1268 xbt_test_add("==== Push %d strings, remove %d-%d. free the rest",
1269 NB_ELEM, 2 * (NB_ELEM / 5), 4 * (NB_ELEM / 5));
1270 d = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
1271 for (cpt = 0; cpt < NB_ELEM; cpt++) {
1272 sprintf(buf, "%d", cpt);
1274 xbt_dynar_push(d, &s1);
1276 for (cpt = 2 * (NB_ELEM / 5); cpt < 4 * (NB_ELEM / 5); cpt++) {
1277 sprintf(buf, "%d", cpt);
1278 xbt_dynar_remove_at(d, 2 * (NB_ELEM / 5), &s2);
1279 xbt_test_assert(!strcmp(buf, s2),
1280 "Remove a bad value. Got %s, expected %s", s2, buf);
1283 xbt_dynar_free(&d); /* end_of_doxygen */
1287 /*******************************************************************************/
1288 /*******************************************************************************/
1289 /*******************************************************************************/
1290 #include "xbt/synchro.h"
1291 static void pusher_f(void *a)
1293 xbt_dynar_t d = (xbt_dynar_t) a;
1295 for (i = 0; i < 500; i++) {
1296 xbt_dynar_push(d, &i);
1300 static void poper_f(void *a)
1302 xbt_dynar_t d = (xbt_dynar_t) a;
1307 for (i = 0; i < 500; i++) {
1309 xbt_dynar_pop(d, &data);
1312 if (e.category == bound_error) {
1323 XBT_TEST_UNIT("synchronized int", test_dynar_sync_int, "Synchronized dynars of integers")
1325 /* Vars_decl [doxygen cruft] */
1327 xbt_thread_t pusher, poper;
1329 xbt_test_add("==== Have a pusher and a popper on the dynar");
1330 d = xbt_dynar_new_sync(sizeof(int), NULL);
1331 pusher = xbt_thread_create("pusher", pusher_f, d, 0 /*not joinable */ );
1332 poper = xbt_thread_create("poper", poper_f, d, 0 /*not joinable */ );
1333 xbt_thread_join(pusher);
1334 xbt_thread_join(poper);
1338 #endif /* SIMGRID_TEST */