X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/eb3aab21bef7315d8d2b8481b9c0c7800049c10c..6f96af1403cf082547c5a77abaf61d1ceddf3057:/src/xbt/dynar.c diff --git a/src/xbt/dynar.c b/src/xbt/dynar.c index 51d207b14a..0574b41ea7 100644 --- a/src/xbt/dynar.c +++ b/src/xbt/dynar.c @@ -6,7 +6,6 @@ /* 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. */ -#include "portable.h" /* SIZEOF_MAX */ #include "xbt/misc.h" #include "xbt/sysdep.h" #include "xbt/log.h" @@ -75,9 +74,12 @@ static XBT_INLINE void _check_populated_dynar(xbt_dynar_t dynar) static void _dynar_map(const xbt_dynar_t dynar, void_f_pvoid_t const op); static XBT_INLINE - void _xbt_clear_mem(void *const ptr, const unsigned long length) +void _xbt_dynar_resize(xbt_dynar_t dynar, unsigned long new_size) { - memset(ptr, 0, length); + if (new_size != dynar->size) { + dynar->size = new_size; + dynar->data = xbt_realloc(dynar->data, new_size * dynar->elmsize); + } } static XBT_INLINE @@ -86,30 +88,10 @@ static XBT_INLINE const unsigned long old_size = dynar->size; if (nb > old_size) { - char *const old_data = (char *) dynar->data; - - const unsigned long elmsize = dynar->elmsize; - - const unsigned long used = dynar->used; - const unsigned long used_length = used * elmsize; - - const unsigned long new_size = - nb > (2 * (old_size + 1)) ? nb : (2 * (old_size + 1)); - const unsigned long new_length = new_size * elmsize; - char *const new_data = (char *) xbt_malloc0(elmsize * new_size); - - XBT_DEBUG("expand %p from %lu to %lu elements", (void *) dynar, - (unsigned long) old_size, nb); - - if (old_data) { - memcpy(new_data, old_data, used_length); - free(old_data); - } - - _xbt_clear_mem(new_data + used_length, new_length - used_length); - - dynar->size = new_size; - dynar->data = new_data; + const unsigned long expand = 2 * (old_size + 1); + _xbt_dynar_resize(dynar, (nb > expand ? nb : expand)); + XBT_DEBUG("expand %p from %lu to %lu elements", + dynar, old_size, dynar->size); } } @@ -158,16 +140,7 @@ _xbt_dynar_remove_at(xbt_dynar_t const dynar, if (object) { _xbt_dynar_get_elm(object, dynar, idx); } else if (dynar->free_f) { - if (dynar->elmsize <= SIZEOF_MAX) { - char elm[SIZEOF_MAX]; - _xbt_dynar_get_elm(elm, dynar, idx); - (*dynar->free_f) (elm); - } else { - char *elm = malloc(dynar->elmsize); - _xbt_dynar_get_elm(elm, dynar, idx); - (*dynar->free_f) (elm); - free(elm); - } + dynar->free_f(_xbt_dynar_elm(dynar, idx)); } nb_shift = dynar->used - 1 - idx; @@ -237,18 +210,11 @@ xbt_dynar_new_sync(const unsigned long elmsize, void xbt_dynar_free_container(xbt_dynar_t * dynar) { if (dynar && *dynar) { - - if ((*dynar)->data) { - _xbt_clear_mem((*dynar)->data, (*dynar)->size); - free((*dynar)->data); - } - - if ((*dynar)->mutex) - xbt_mutex_destroy((*dynar)->mutex); - - _xbt_clear_mem(*dynar, sizeof(s_xbt_dynar_t)); - - free(*dynar); + xbt_dynar_t d = *dynar; + free(d->data); + if (d->mutex) + xbt_mutex_destroy(d->mutex); + free(d); *dynar = NULL; } } @@ -267,17 +233,31 @@ XBT_INLINE void xbt_dynar_reset(xbt_dynar_t const dynar) if (dynar->free_f) { _dynar_map(dynar, dynar->free_f); } - /* - if (dynar->data) - free(dynar->data); - - dynar->size = 0; - */ dynar->used = 0; _dynar_unlock(dynar); +} + +/** @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; + + void *ptr = _xbt_dynar_elm((*d2), 0); + _xbt_dynar_resize(*d1, (*d1)->size + (*d2)->size); + void *elm = _xbt_dynar_elm((*d1), (*d1)->used); - /* dynar->data = NULL; */ + memcpy(elm, ptr, ((*d2)->size)*elmsize); + (*d1)->used += (*d2)->used; + (*d2)->used = 0; + xbt_dynar_free(d2); } /** @@ -297,15 +277,8 @@ XBT_INLINE void xbt_dynar_reset(xbt_dynar_t const dynar) */ void xbt_dynar_shrink(xbt_dynar_t dynar, int empty_slots_wanted) { - unsigned long size_wanted; - _dynar_lock(dynar); - - size_wanted = dynar->used + empty_slots_wanted; - if (size_wanted != dynar->size) { - dynar->size = size_wanted; - dynar->data = xbt_realloc(dynar->data, dynar->elmsize * dynar->size); - } + _xbt_dynar_resize(dynar, dynar->used + empty_slots_wanted); _dynar_unlock(dynar); } @@ -340,7 +313,7 @@ XBT_INLINE unsigned long xbt_dynar_length(const xbt_dynar_t dynar) return (dynar ? (unsigned long) dynar->used : (unsigned long) 0); } -/**@brief check if a dynar is empty + /**@brief check if a dynar is empty * *\param dynar the dynat we want to check */ @@ -391,26 +364,30 @@ XBT_INLINE void *xbt_dynar_get_ptr(const xbt_dynar_t dynar, return res; } -XBT_INLINE void *xbt_dynar_set_at_ptr(const xbt_dynar_t dynar, - const unsigned long idx) +/* not synchronized */ +static XBT_INLINE void *_xbt_dynar_set_at_ptr(const xbt_dynar_t dynar, + const unsigned long idx) { - - void *res; - _dynar_lock(dynar); _sanity_check_dynar(dynar); - _xbt_dynar_expand(dynar, idx + 1); - if (idx >= dynar->used) { - _xbt_clear_mem(((char * const)dynar->data) + dynar->used * dynar->elmsize, - (idx + 1 - dynar->used)*dynar->elmsize); + _xbt_dynar_expand(dynar, idx + 1); + if (idx > dynar->used) { + memset(_xbt_dynar_elm(dynar, dynar->used), 0, + (idx - dynar->used) * dynar->elmsize); + } dynar->used = idx + 1; } - - _dynar_unlock(dynar); - - res = _xbt_dynar_elm(dynar, idx); + return _xbt_dynar_elm(dynar, idx); +} +XBT_INLINE void *xbt_dynar_set_at_ptr(const xbt_dynar_t dynar, + const unsigned long idx) +{ + void *res; + _dynar_lock(dynar); + res = _xbt_dynar_set_at_ptr(dynar, idx); + _dynar_unlock(dynar); return res; } @@ -418,18 +395,7 @@ static void XBT_INLINE /* not synchronized */ _xbt_dynar_set(xbt_dynar_t dynar, const unsigned long idx, const void *const src) { - - _sanity_check_dynar(dynar); - - _xbt_dynar_expand(dynar, idx + 1); - - if (idx >= dynar->used) { - _xbt_clear_mem(((char * const)dynar->data) + dynar->used * dynar->elmsize, - (idx + 1 - dynar->used)*dynar->elmsize); - dynar->used = idx + 1; - } - - _xbt_dynar_put_elm(dynar, idx, 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 at this position is NOT freed @@ -469,7 +435,7 @@ xbt_dynar_replace(xbt_dynar_t dynar, if (idx < dynar->used && dynar->free_f) { void *const old_object = _xbt_dynar_elm(dynar, idx); - (*(dynar->free_f)) (old_object); + dynar->free_f(old_object); } _xbt_dynar_set(dynar, idx, object); @@ -583,7 +549,8 @@ int xbt_dynar_member(xbt_dynar_t const dynar, void *const elem) TRY { xbt_dynar_search(dynar, elem); - } CATCH(e) { + } + CATCH(e) { if (e.category == not_found_error) { xbt_ex_free(e); return 0; @@ -683,7 +650,7 @@ static void _dynar_map(const xbt_dynar_t dynar, void_f_pvoid_t const op) for (i = 0; i < used; i++) { char* elm = (char*) data + i * elmsize; - (*op) (elm); + op(elm); } } @@ -745,8 +712,11 @@ XBT_INLINE void xbt_dynar_sort(xbt_dynar_t dynar, _dynar_lock(dynar); +#ifdef HAVE_MERGESORT + mergesort(dynar->data, dynar->used, dynar->elmsize, compar_fn); +#else qsort(dynar->data, dynar->used, dynar->elmsize, compar_fn); - +#endif _dynar_unlock(dynar); } @@ -756,13 +726,14 @@ XBT_INLINE void xbt_dynar_sort(xbt_dynar_t dynar, */ XBT_INLINE void * xbt_dynar_to_array (xbt_dynar_t dynar) { - void * res; - void * last = xbt_new0(char,dynar->elmsize); - xbt_dynar_push(dynar, last); - free(last); - res = dynar->data; - free(dynar); - return res; + void *res; + xbt_dynar_shrink(dynar, 1); + memset(xbt_dynar_push_ptr(dynar), 0, dynar->elmsize); + res = dynar->data; + if (dynar->mutex) + xbt_mutex_destroy(dynar->mutex); + free(dynar); + return res; } /* @@ -782,13 +753,13 @@ XBT_INLINE int xbt_dynar_compare(xbt_dynar_t d1, xbt_dynar_t d2, } if((d1->elmsize)!=(d2->elmsize)) { - XBT_DEBUG("Size of elmsize d1=%ld d2=%ld",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=%ld d2=%ld",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; } @@ -849,14 +820,14 @@ XBT_TEST_UNIT("int", test_dynar_int, "Dynars of integers") for (cursor = 0; cursor < NB_ELEM; cursor++) { iptr = xbt_dynar_get_ptr(d, cursor); xbt_test_assert(cursor == *iptr, - "The retrieved value is not the same than the injected one (%d!=%d)", + "The retrieved value is not the same than the injected one (%u!=%d)", cursor, cpt); } /* 3. Traverse the dynar using the neat macro to that extend */ xbt_dynar_foreach(d, cursor, cpt) { xbt_test_assert(cursor == cpt, - "The retrieved value is not the same than the injected one (%d!=%d)", + "The retrieved value is not the same than the injected one (%u!=%d)", cursor, cpt); } /* end_of_traversal */ @@ -988,7 +959,7 @@ XBT_TEST_UNIT("insert",test_dynar_insert,"Using the xbt_dynar_insert and xbt_dyn /* 3. Traverse the dynar */ xbt_dynar_foreach(d, cursor, cpt) { xbt_test_assert(cursor == cpt, - "The retrieved value is not the same than the injected one (%d!=%d)", + "The retrieved value is not the same than the injected one (%u!=%d)", cursor, cpt); } /* end_of_traversal */ @@ -998,17 +969,17 @@ XBT_TEST_UNIT("insert",test_dynar_insert,"Using the xbt_dynar_insert and xbt_dyn xbt_dynar_set_as(d, cpt, int, cpt); xbt_dynar_foreach(d, cursor, cpt) xbt_test_assert(cursor == cpt, - "The retrieved value is not the same than the injected one (%d!=%d)", + "The retrieved value is not the same than the injected one (%u!=%d)", cursor, cpt); for (cpt = 0; cpt < NB_ELEM; cpt++) { int val; xbt_dynar_remove_at(d,0,&val); xbt_test_assert(cpt == val, - "The retrieved value is not the same than the injected one (%d!=%d)", + "The retrieved value is not the same than the injected one (%u!=%d)", cursor, cpt); } - xbt_test_assert(xbt_dynar_length(d) == 0, + xbt_test_assert(xbt_dynar_is_empty(d), "There is still %lu elements in the dynar after removing everything", xbt_dynar_length(d)); xbt_dynar_free(&d); @@ -1024,7 +995,7 @@ XBT_TEST_UNIT("insert",test_dynar_insert,"Using the xbt_dynar_insert and xbt_dyn /* 3. Traverse the dynar */ xbt_dynar_foreach(d, cursor, cpt) { xbt_test_assert(cursor == cpt, - "The retrieved value is not the same than the injected one (%d!=%d)", + "The retrieved value is not the same than the injected one (%u!=%d)", cursor, cpt); } /* end_of_traversal */ @@ -1033,10 +1004,10 @@ XBT_TEST_UNIT("insert",test_dynar_insert,"Using the xbt_dynar_insert and xbt_dyn int val; xbt_dynar_remove_at(d,xbt_dynar_length(d)-1,&val); xbt_test_assert(cpt == val, - "The retrieved value is not the same than the injected one (%d!=%d)", + "The retrieved value is not the same than the injected one (%u!=%d)", cursor, cpt); } - xbt_test_assert(xbt_dynar_length(d) == 0, + xbt_test_assert(xbt_dynar_is_empty(d), "There is still %lu elements in the dynar after removing everything", xbt_dynar_length(d)); xbt_dynar_free(&d); @@ -1230,7 +1201,7 @@ XBT_TEST_UNIT("string", test_dynar_string, "Dynars of strings") } /* 2. Traverse the dynar with the macro */ xbt_dynar_foreach(d, iter, s1) { - sprintf(buf, "%d", NB_ELEM - iter - 1); + sprintf(buf, "%u", NB_ELEM - iter - 1); xbt_test_assert(!strcmp(buf, s1), "The retrieved value is not the same than the injected one (%s!=%s)", buf, s1); @@ -1329,7 +1300,7 @@ static void pusher_f(void *a) static void poper_f(void *a) { xbt_dynar_t d = (xbt_dynar_t) a; - int i; + volatile int i; int data; xbt_ex_t e;