X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Fsort.c;h=10b8a12cec59d76173a39a15532a53dbec62e306;hb=65190c89174ad703a008c89bfc70154dff12def0;hp=aa2afe80951b7a31608f6e4d1bf4d03c8807de0a;hpb=43b1296aafe7582e7dbe6c2b6a8b478d7d9b0fcf;p=pspp-builds.git diff --git a/src/math/sort.c b/src/math/sort.c index aa2afe80..10b8a12c 100644 --- a/src/math/sort.c +++ b/src/math/sort.c @@ -26,11 +26,12 @@ #include #include #include -#include #include #include #include +#include "xalloc.h" + #include "gettext.h" #define _(msgid) gettext (msgid) @@ -40,6 +41,7 @@ int max_buffers = INT_MAX; struct sort_writer { + size_t value_cnt; struct case_ordering *ordering; struct merge *merge; struct pqueue *pqueue; @@ -51,7 +53,7 @@ struct sort_writer static struct casewriter_class sort_casewriter_class; -static struct pqueue *pqueue_create (const struct case_ordering *); +static struct pqueue *pqueue_create (const struct case_ordering *, size_t); static void pqueue_destroy (struct pqueue *); static bool pqueue_is_full (const struct pqueue *); static bool pqueue_is_empty (const struct pqueue *); @@ -61,21 +63,22 @@ static void pqueue_pop (struct pqueue *, struct ccase *, casenumber *); static void output_record (struct sort_writer *); struct casewriter * -sort_create_writer (struct case_ordering *ordering) +sort_create_writer (struct case_ordering *ordering, size_t value_cnt) { struct sort_writer *sort; sort = xmalloc (sizeof *sort); + sort->value_cnt = value_cnt; sort->ordering = case_ordering_clone (ordering); - sort->merge = merge_create (ordering); - sort->pqueue = pqueue_create (ordering); + sort->merge = merge_create (ordering, value_cnt); + sort->pqueue = pqueue_create (ordering, value_cnt); sort->run = NULL; sort->run_id = 0; case_nullify (&sort->run_end); case_ordering_destroy (ordering); - return casewriter_create (&sort_casewriter_class, sort); + return casewriter_create (value_cnt, &sort_casewriter_class, sort); } static void @@ -116,8 +119,7 @@ sort_casewriter_convert_to_reader (struct casewriter *writer, void *sort_) if (sort->run == NULL && sort->run_id == 0) { /* In-core sort. */ - sort->run = mem_writer_create (case_ordering_get_value_cnt ( - sort->ordering)); + sort->run = mem_writer_create (casewriter_get_value_cnt (writer)); sort->run_id = 1; } while (!pqueue_is_empty (sort->pqueue)) @@ -149,8 +151,7 @@ output_record (struct sort_writer *sort) } if (sort->run == NULL) { - sort->run = tmpfile_writer_create (case_ordering_get_value_cnt ( - sort->ordering)); + sort->run = tmpfile_writer_create (sort->value_cnt); sort->run_id = min_run_id; } @@ -174,7 +175,8 @@ static struct casewriter_class sort_casewriter_class = struct casereader * sort_execute (struct casereader *input, struct case_ordering *ordering) { - struct casewriter *output = sort_create_writer (ordering); + struct casewriter *output = + sort_create_writer (ordering, casereader_get_value_cnt (input)); casereader_transfer (input, output); return casewriter_make_reader (output); } @@ -199,14 +201,14 @@ static int compare_pqueue_records_minheap (const void *a, const void *b, const void *pq_); static struct pqueue * -pqueue_create (const struct case_ordering *ordering) +pqueue_create (const struct case_ordering *ordering, size_t value_cnt) { struct pqueue *pq; pq = xmalloc (sizeof *pq); pq->ordering = case_ordering_clone (ordering); pq->record_cap - = get_workspace_cases (case_ordering_get_value_cnt (ordering)); + = settings_get_workspace_cases (value_cnt); if (pq->record_cap > max_buffers) pq->record_cap = max_buffers; else if (pq->record_cap < min_buffers)