X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/74914a9cc31cd5bb33f587235d70979cd7934fc8..c912b7d6e75473bd05731ccf77f3e2d82afb7802:/src/xbt/dynar.c diff --git a/src/xbt/dynar.c b/src/xbt/dynar.c index 657e8f2301..c630ff0796 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 @@ -86,21 +88,10 @@ static XBT_INLINE const unsigned long old_size = dynar->size; if (nb > old_size) { - void *const old_data = dynar->data; - const unsigned long elmsize = dynar->elmsize; - const unsigned long old_length = old_size * elmsize; - const unsigned long expand = 2 * (old_size + 1); - const unsigned long new_size = (nb > expand ? nb : expand); - const unsigned long new_length = new_size * elmsize; - void *const new_data = xbt_realloc(old_data, new_length); - - XBT_DEBUG("expand %p from %lu to %lu elements", dynar, old_size, new_size); - - _xbt_clear_mem((char *)new_data + old_length, new_length - old_length); - - dynar->size = new_size; - dynar->data = new_data; + _xbt_dynar_resize(dynar, (nb > expand ? nb : expand)); + XBT_DEBUG("expand %p from %lu to %lu elements", + dynar, old_size, dynar->size); } } @@ -149,16 +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; @@ -228,18 +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; } } @@ -258,16 +233,9 @@ XBT_INLINE void xbt_dynar_reset(xbt_dynar_t const dynar) if (dynar->free_f) { _dynar_map(dynar, dynar->free_f); } - /* - free(dynar->data); - - dynar->size = 0; - */ dynar->used = 0; _dynar_unlock(dynar); - - /* dynar->data = NULL; */ } /** @@ -287,15 +255,8 @@ 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); } @@ -381,26 +342,30 @@ 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; } @@ -408,18 +373,7 @@ 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 @@ -750,13 +704,14 @@ 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; } /*