X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fcommon%2Fdynamic-buffer.h;h=000f3cf93db99bcb21e8c3b0138d05c270937788;hb=4942c25609805b81dc67ea4447eac7f9cddac655;hp=d05356b73a2d8c2d002861011b1fb08d0dee4c6d;hpb=63557623eba8b58076e0454731a2d52e2ac5966b;p=lttng-tools.git diff --git a/src/common/dynamic-buffer.h b/src/common/dynamic-buffer.h index d05356b73..000f3cf93 100644 --- a/src/common/dynamic-buffer.h +++ b/src/common/dynamic-buffer.h @@ -1,18 +1,8 @@ /* - * Copyright (C) 2017 - Jérémie Galarneau + * Copyright (C) 2017 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 */ #ifndef LTTNG_DYNAMIC_BUFFER_H @@ -20,6 +10,7 @@ #include #include +#include struct lttng_dynamic_buffer { char *data; @@ -36,6 +27,7 @@ struct lttng_dynamic_buffer { * Initialize a dynamic buffer. This performs no allocation and is meant * to be used instead of memset or explicit initialization of the buffer. */ +LTTNG_HIDDEN void lttng_dynamic_buffer_init(struct lttng_dynamic_buffer *buffer); /* @@ -43,6 +35,7 @@ void lttng_dynamic_buffer_init(struct lttng_dynamic_buffer *buffer); * (after its current "size"). The dynamic buffer's size is increased by * "len", and its capacity is adjusted automatically. */ +LTTNG_HIDDEN int lttng_dynamic_buffer_append(struct lttng_dynamic_buffer *buffer, const void *buf, size_t len); @@ -51,6 +44,7 @@ int lttng_dynamic_buffer_append(struct lttng_dynamic_buffer *buffer, * dynamic buffer as the source buffer. The source buffer's size is used in lieu * of "len". */ +LTTNG_HIDDEN int lttng_dynamic_buffer_append_buffer(struct lttng_dynamic_buffer *dst_buffer, struct lttng_dynamic_buffer *src_buffer); @@ -70,6 +64,7 @@ int lttng_dynamic_buffer_append_buffer(struct lttng_dynamic_buffer *dst_buffer, * NOTE: It is striclty _invalid_ to access memory after _size_, regardless * of prior calls to set_capacity(). */ +LTTNG_HIDDEN int lttng_dynamic_buffer_set_size(struct lttng_dynamic_buffer *buffer, size_t new_size); @@ -81,10 +76,17 @@ int lttng_dynamic_buffer_set_size(struct lttng_dynamic_buffer *buffer, * * If the current size > new_capacity, the operation will fail. */ +LTTNG_HIDDEN int lttng_dynamic_buffer_set_capacity(struct lttng_dynamic_buffer *buffer, size_t new_capacity); /* Release any memory used by the dynamic buffer. */ +LTTNG_HIDDEN void lttng_dynamic_buffer_reset(struct lttng_dynamic_buffer *buffer); +/* Get the space left in the buffer before a new resize is needed. */ +LTTNG_HIDDEN +size_t lttng_dynamic_buffer_get_capacity_left( + struct lttng_dynamic_buffer *buffer); + #endif /* LTTNG_DYNAMIC_BUFFER_H */