X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fdynamic-array.c;h=d723ffacb385094097508250b5d28a40e4c3991c;hb=3afa94aeca5a0daae40fd7b6cc96b7e4c150c7d8;hp=bea903cafeae2a115b1fc1816345a0d50017dc8f;hpb=74465ffbb5ead0a3d7ba6342e7baf16f4fa662f9;p=lttng-tools.git diff --git a/src/common/dynamic-array.c b/src/common/dynamic-array.c index bea903caf..d723ffacb 100644 --- a/src/common/dynamic-array.c +++ b/src/common/dynamic-array.c @@ -1,23 +1,12 @@ /* - * Copyright (C) 2019 - Jérémie Galarneau + * Copyright (C) 2019 Jérémie Galarneau * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU Lesser General Public License, version 2.1 only, - * as published by the Free Software Foundation. + * SPDX-License-Identifier: LGPL-2.1-only * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License - * for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include -LTTNG_HIDDEN void lttng_dynamic_array_init(struct lttng_dynamic_array *array, size_t element_size, lttng_dynamic_array_element_destructor destructor) @@ -28,7 +17,34 @@ void lttng_dynamic_array_init(struct lttng_dynamic_array *array, array->destructor = destructor; } -LTTNG_HIDDEN +int lttng_dynamic_array_set_count(struct lttng_dynamic_array *array, + size_t new_element_count) +{ + int ret; + + if (!array) { + ret = -1; + goto end; + } + + if (array->destructor) { + size_t i; + + for (i = new_element_count; i < array->size; i++) { + void *element = lttng_dynamic_array_get_element( + array, i); + + array->destructor(element); + } + } + + array->size = new_element_count; + ret = lttng_dynamic_buffer_set_size(&array->buffer, + new_element_count * array->element_size); +end: + return ret; +} + int lttng_dynamic_array_add_element(struct lttng_dynamic_array *array, const void *element) { @@ -49,7 +65,6 @@ end: return ret; } -LTTNG_HIDDEN int lttng_dynamic_array_remove_element(struct lttng_dynamic_array *array, size_t element_index) { @@ -71,7 +86,6 @@ int lttng_dynamic_array_remove_element(struct lttng_dynamic_array *array, array->buffer.size - array->element_size); } -LTTNG_HIDDEN void lttng_dynamic_array_reset(struct lttng_dynamic_array *array) { if (array->destructor) { @@ -87,7 +101,6 @@ void lttng_dynamic_array_reset(struct lttng_dynamic_array *array) array->size = 0; } -LTTNG_HIDDEN void lttng_dynamic_array_clear(struct lttng_dynamic_array *array) { if (array->destructor) { @@ -99,11 +112,10 @@ void lttng_dynamic_array_clear(struct lttng_dynamic_array *array) } } - lttng_dynamic_buffer_set_size(&array->buffer, 0); + (void) lttng_dynamic_buffer_set_size(&array->buffer, 0); array->size = 0; } -LTTNG_HIDDEN void lttng_dynamic_pointer_array_init( struct lttng_dynamic_pointer_array *array, lttng_dynamic_pointer_array_destructor destructor) @@ -111,7 +123,6 @@ void lttng_dynamic_pointer_array_init( lttng_dynamic_array_init(&array->array, sizeof(void *), destructor); } -LTTNG_HIDDEN int lttng_dynamic_pointer_array_remove_pointer( struct lttng_dynamic_pointer_array *array, size_t index) { @@ -134,7 +145,6 @@ int lttng_dynamic_pointer_array_remove_pointer( } /* Release any memory used by the dynamic array. */ -LTTNG_HIDDEN void lttng_dynamic_pointer_array_reset( struct lttng_dynamic_pointer_array *array) { @@ -155,7 +165,6 @@ void lttng_dynamic_pointer_array_reset( lttng_dynamic_array_reset(&array->array); } -LTTNG_HIDDEN void lttng_dynamic_pointer_array_clear( struct lttng_dynamic_pointer_array *array) {