X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a9b94bc9be0c3ad5b5f816bf343152a3617a1bc2..9eb8b5a3c4a65bf441c487ecef308654d4f384f4:/src/xbt/dynar.c diff --git a/src/xbt/dynar.c b/src/xbt/dynar.c index 777f226a86..a9e768eeb3 100644 --- a/src/xbt/dynar.c +++ b/src/xbt/dynar.c @@ -7,6 +7,7 @@ /* 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" @@ -14,20 +15,11 @@ #include "xbt/dynar.h" #include -/** \defgroup XBT_dynar A generic dynamic array - * \brief This section describes the API to generic dynamic array (vector). - */ - +#include "xbt/dynar_private.h" /* type definition, which we share with the + code in charge of sending this across the net */ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(dynar,xbt,"Dynamic arrays"); -typedef struct xbt_dynar_s { - unsigned long size; - unsigned long used; - unsigned long elmsize; - void *data; - void_f_pvoid_t *free_f; -} s_xbt_dynar_t; #define __sanity_check_dynar(dynar) \ xbt_assert0(dynar, \ @@ -79,7 +71,7 @@ _xbt_dynar_expand(xbt_dynar_t const dynar, if (old_data) { memcpy(new_data, old_data, used_length); _xbt_clear_mem(old_data, old_length); - xbt_free(old_data); + free(old_data); } _xbt_clear_mem(new_data + used_length, new_length - used_length); @@ -123,8 +115,8 @@ _xbt_dynar_put_elm(const xbt_dynar_t dynar, memcpy(elm, src, elmsize); } -/** - * \ingroup XBT_dynar +/** @brief Constructor + * * \param elmsize size of each element in the dynar * \param free_f function to call each time we want to get rid of an element (or NULL if nothing to do). * @@ -147,12 +139,12 @@ xbt_dynar_new(const unsigned long elmsize, return dynar; } -/** - * \ingroup XBT_dynar +/** @brief Destructor of the structure not touching to the content + * * \param dynar poor victim * - * kilkil a dynar BUT NOT its content. Ie, the array is freed, but not what - * its contain points to. + * kilkil a dynar BUT NOT its content. Ie, the array is freed, but the content + * is not touched (the \a free_f function is not used) */ void xbt_dynar_free_container(xbt_dynar_t *dynar) { @@ -160,21 +152,19 @@ xbt_dynar_free_container(xbt_dynar_t *dynar) { if ((*dynar)->data) { _xbt_clear_mem((*dynar)->data, (*dynar)->size); - xbt_free((*dynar)->data); + free((*dynar)->data); } _xbt_clear_mem(*dynar, sizeof(s_xbt_dynar_t)); - xbt_free(*dynar); + free(*dynar); *dynar=NULL; } } -/** - * \ingroup XBT_dynar - * \param dynar who to squeeze +/** @brief Frees the content and set the size to 0 * - * Frees the content and set the size to 0 + * \param dynar who to squeeze */ void xbt_dynar_reset(xbt_dynar_t const dynar) { @@ -187,15 +177,15 @@ xbt_dynar_reset(xbt_dynar_t const dynar) { } if (dynar->data) - xbt_free(dynar->data); + free(dynar->data); dynar->size = 0; dynar->used = 0; dynar->data = NULL; } -/** - * \ingroup XBT_dynar +/** @brief Destructor + * * \param dynar poor victim * * kilkil a dynar and its content @@ -209,24 +199,20 @@ xbt_dynar_free(xbt_dynar_t * dynar) { } } -/** - * \ingroup XBT_dynar +/** @brief Count of dynar's elements + * * \param dynar the dynar we want to mesure - * - * Returns the count of elements in a dynar */ unsigned long xbt_dynar_length(const xbt_dynar_t dynar) { return (dynar ? (unsigned long) dynar->used : (unsigned long)0); } -/** - * \ingroup XBT_dynar +/** @brief Retrieve a copy of the Nth element of a dynar. + * * \param dynar information dealer * \param idx index of the slot we want to retrive * \param[out] dst where to put the result to. - * - * Retrieve a copy of the Nth element of a dynar. */ void xbt_dynar_get_cpy(const xbt_dynar_t dynar, @@ -240,14 +226,14 @@ xbt_dynar_get_cpy(const xbt_dynar_t dynar, _xbt_dynar_get_elm(dst, dynar, idx); } -/** - * \ingroup XBT_dynar +/** @brief Retrieve a pointer to the Nth element of a dynar. + * * \param dynar information dealer * \param idx index of the slot we want to retrieve - * \return the #idx-th element of #dynar. + * \return the \a idx-th element of \a dynar. * - * Retrieve the Nth element of a dynar. Warning, the returned value is the actual content of - * the dynar. Make a copy before fooling with it. + * \warning The returned value is the actual content of the dynar. + * Make a copy before fooling with it. */ void* xbt_dynar_get_ptr(const xbt_dynar_t dynar, @@ -260,15 +246,13 @@ xbt_dynar_get_ptr(const xbt_dynar_t dynar, return _xbt_dynar_elm(dynar, idx); } -/** - * \ingroup XBT_dynar +/** @brief Set the Nth element of a dynar (expended 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 * - * Set the Nth element of a dynar, expanding the dynar if needed, BUT NOT freeing - * the previous value at this position. If you want to free the previous content, - * use xbt_dynar_replace(). + * If you want to free the previous content, use xbt_dynar_replace(). */ void xbt_dynar_set(xbt_dynar_t dynar, @@ -287,8 +271,8 @@ xbt_dynar_set(xbt_dynar_t dynar, _xbt_dynar_put_elm(dynar, idx, src); } -/** - * \ingroup XBT_dynar +/** @brief Set the Nth element of a dynar (expended if needed). Previous value is freed + * * \param dynar * \param idx * \param object @@ -314,16 +298,14 @@ xbt_dynar_replace(xbt_dynar_t dynar, xbt_dynar_set(dynar, idx, object); } -/** - * \ingroup XBT_dynar +/** @brief Make room for a new element, and return a pointer to it * - * Make room for a new element in the dynar, and return a pointer to - * its position. You can then use regular affectation to set its value - * instead of relying on the slow memcpy + * You can then use regular affectation to set its value instead of relying + * on the slow memcpy. This is what xbt_dynar_insert_at_as() does. */ void * xbt_dynar_insert_at_ptr(xbt_dynar_t const dynar, - const int idx) { + const int idx) { __sanity_check_dynar(dynar); __sanity_check_idx(idx); @@ -349,20 +331,16 @@ xbt_dynar_insert_at_ptr(xbt_dynar_t const dynar, } } -/** - * \ingroup XBT_dynar - * \param dynar - * \param idx - * \param src What will be feeded to the dynar - * +/** @brief Set the Nth dynar's element, expending the dynar and sliding the previous values to the right + * * Set the Nth element of a dynar, expanding the dynar if needed, and * moving the previously existing value and all subsequent ones to one * position right in the dynar. */ void xbt_dynar_insert_at(xbt_dynar_t const dynar, - const int idx, - const void * const src) { + const int idx, + const void * const src) { /* checks done in xbt_dynar_insert_at_ptr */ memcpy(xbt_dynar_insert_at_ptr(dynar,idx), @@ -370,11 +348,7 @@ xbt_dynar_insert_at(xbt_dynar_t const dynar, dynar->elmsize); } -/** - * \ingroup XBT_dynar - * \param dynar - * \param idx - * \param object +/** @brief Remove the Nth dynar's element, sliding the previous values to the left * * Get the Nth element of a dynar, removing it from the dynar and moving * all subsequent values to one position left in the dynar. @@ -409,23 +383,17 @@ xbt_dynar_remove_at(xbt_dynar_t const dynar, } } -/** - * \ingroup XBT_dynar - * - * Make room at the end of the dynar for a new element, and return a pointer to it +/** @brief Make room at the end of the dynar 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 xbt_dynar_push_as() does. */ void * xbt_dynar_push_ptr(xbt_dynar_t const dynar) { return xbt_dynar_insert_at_ptr(dynar, dynar->used); } -/** - * \ingroup XBT_dynar - * \param dynar - * \param src - * - * Add an element at the end of the dynar - */ +/** @brief Add an element at the end of the dynar */ void xbt_dynar_push(xbt_dynar_t const dynar, const void * const src) { @@ -433,11 +401,10 @@ xbt_dynar_push(xbt_dynar_t const dynar, xbt_dynar_insert_at(dynar, dynar->used, src); } -/** - * \param dynar - * \param dst +/** @brief Mark the last dynar's element as unused and return a pointer to it. * - * Make the last element of the dynar as unused 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 xbt_dynar_pop_as() does. */ void * xbt_dynar_pop_ptr(xbt_dynar_t const dynar) { @@ -448,13 +415,7 @@ xbt_dynar_pop_ptr(xbt_dynar_t const dynar) { return _xbt_dynar_elm(dynar,dynar->used); } -/** - * \ingroup XBT_dynar - * \param dynar - * \param[out] dst - * - * Get and remove the last element of the dynar - */ +/** @brief Get and remove the last element of the dynar */ void xbt_dynar_pop(xbt_dynar_t const dynar, void * const dst) { @@ -464,13 +425,9 @@ xbt_dynar_pop(xbt_dynar_t const dynar, xbt_dynar_remove_at(dynar, dynar->used-1, dst); } -/** - * \ingroup XBT_dynar - * \param dynar - * \param src +/** @brief Add an element at the begining of the dynar. * - * Add an element at the begining of the dynar (rather long, Use - * xbt_dynar_push() when possible) + * This is less efficient than xbt_dynar_push() */ void xbt_dynar_unshift(xbt_dynar_t const dynar, @@ -480,13 +437,9 @@ xbt_dynar_unshift(xbt_dynar_t const dynar, xbt_dynar_insert_at(dynar, 0, src); } -/** - * \ingroup XBT_dynar - * \param dynar - * \param[out] dst +/** @brief Get and remove the first element of the dynar. * - * Get and remove the first element of the dynar (rather long, Use - * xbt_dynar_pop() when possible) + * This is less efficient than xbt_dynar_pop() */ void xbt_dynar_shift(xbt_dynar_t const dynar, @@ -496,13 +449,10 @@ xbt_dynar_shift(xbt_dynar_t const dynar, xbt_dynar_remove_at(dynar, 0, dst); } -/** - * \ingroup XBT_dynar - * \param dynar - * \param operator +/** @brief Apply a function to each member of a dynar * - * Apply a function to each member of a dynar (this function may change the - * value of the element itself, but should not mess with the dynar). + * The mapped function may change the value of the element itself, + * but should not mess with the structure of the dynar. */ void xbt_dynar_map(const xbt_dynar_t dynar, @@ -511,7 +461,7 @@ xbt_dynar_map(const xbt_dynar_t dynar, __sanity_check_dynar(dynar); { - char elm[64]; + char elm[SIZEOF_MAX]; const unsigned long used = dynar->used; unsigned long i = 0; @@ -522,30 +472,20 @@ xbt_dynar_map(const xbt_dynar_t dynar, } } -/** - * \ingroup XBT_dynar - * - * Put the cursor at the begining of the dynar. (actually, one step before - * the begining, so that you can iterate over the dynar with a for loop). - * - * Dynar cursor are as dumb as possible. If you insert or remove elements - * from the dynar between the creation and end, you'll fuck up your - * cursors. +/** @brief Put the cursor at the begining of the dynar. * + * Actually, the cursor is set one step before the begining, so that you + * can iterate over the dynar with a for loop. */ void xbt_dynar_cursor_first(const xbt_dynar_t dynar, - int * const cursor) { + int * const cursor) { DEBUG1("Set cursor on %p to the first position",(void*)dynar); *cursor = 0; } -/** - * \ingroup XBT_dynar - * - * Move the cursor to the next value (and return true), or return false. - */ +/** @brief Move the cursor to the next value */ void xbt_dynar_cursor_step(const xbt_dynar_t dynar, int * const cursor) { @@ -553,11 +493,7 @@ xbt_dynar_cursor_step(const xbt_dynar_t dynar, (*cursor)++; } -/** - * \ingroup XBT_dynar - * - * Get the current value of the cursor - */ +/** @brief Get the data currently pointed by the cursor */ int xbt_dynar_cursor_get(const xbt_dynar_t dynar, int * const cursor, @@ -580,12 +516,9 @@ xbt_dynar_cursor_get(const xbt_dynar_t dynar, } -/** - * \ingroup XBT_dynar - * \param dynar - * \param cursor +/** @brief Removes and free the entry pointed by the cursor * - * Remove (free) the entry pointed by the cursor, for use in the middle of a foreach + * This function can be used while traversing without problem. */ void xbt_dynar_cursor_rm(xbt_dynar_t dynar, int * const cursor) { @@ -597,7 +530,7 @@ void xbt_dynar_cursor_rm(xbt_dynar_t dynar, dst=xbt_malloc(dynar->elmsize); xbt_dynar_remove_at(dynar,(*cursor)--,dst); (dynar->free_f)(dst); - xbt_free(dst); + free(dst); } else { DEBUG0("Ok, we dont care about the element without free function"); xbt_dynar_remove_at(dynar,(*cursor)--,NULL);