From 61c3a9aa7a636ada2cedd5b6025d5c7ccc598c85 Mon Sep 17 00:00:00 2001 From: Gediminas Jakutis Date: Tue, 10 Mar 2020 10:15:53 +0200 Subject: bolt on data generation, kind of. Signed-off-by: Gediminas Jakutis --- src/cache.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 src/cache.c (limited to 'src/cache.c') diff --git a/src/cache.c b/src/cache.c new file mode 100644 index 0000000..c88cc78 --- /dev/null +++ b/src/cache.c @@ -0,0 +1,56 @@ +/* SPDX-License-Identifier: LGPL-2.1-only */ + +/* Copyright (C) 2020 Gediminas Jakutis */ + +#include +#include +#include "defs.h" + +int cache_create(struct stream * const restrict in, const struct settings * const restrict s) +{ + int ret; + void *cache; + + try(!(cache = calloc(in->n, s->stride)), err, ENOMEM); + + in->cache = cache; +err: + return ret; +} + +int cache_populate(struct stream * const restrict in) +{ + int ret = 0; + ssize_t i; + + for (i = 0; i < in->n; ++i) { + try_s((ret = in->get_element(in, i, in->cache + i)), err); + } + +err: + return ret; +} + +int cache_flush(struct stream * const in) +{ + int ret; + ssize_t i; + + for (i = 0; i < in->n; ++i) { + try_s((ret = in->put_element(in, i, in->cache + i)), err); + } + +err: + return ret; +} + +int cache_destroy(struct stream * const in) +{ + int ret; + + try(!in->cache, err, EINVAL); + free(in->cache); + in->cache = NULL; +err: + return ret; +} -- cgit v1.2.3