X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fdynamic-buffer.c;h=4e87c58ac1b43778cee695bbe2f78596b99d3f8d;hp=7005ef501776c0801f951e00b3a01aa17c699c85;hb=427d84693052f551da11a175d9a0f74bb6e169b3;hpb=38b6c4f5eb49d404ff3f2248b017cea415c49618 diff --git a/src/common/dynamic-buffer.c b/src/common/dynamic-buffer.c index 7005ef501..4e87c58ac 100644 --- a/src/common/dynamic-buffer.c +++ b/src/common/dynamic-buffer.c @@ -6,6 +6,7 @@ */ #include +#include #include #include @@ -16,10 +17,9 @@ static size_t round_to_power_of_2(size_t val) { - int order; size_t rounded; + const int order = utils_get_count_order_u64(val); - order = utils_get_count_order_u64(val); assert(order >= 0); rounded = (1ULL << order); assert(rounded >= val); @@ -83,6 +83,23 @@ end: return ret; } +LTTNG_HIDDEN +int lttng_dynamic_buffer_append_view(struct lttng_dynamic_buffer *buffer, + const struct lttng_buffer_view *src) +{ + int ret; + + if (!buffer || !src) { + ret = -1; + goto end; + } + + ret = lttng_dynamic_buffer_append(buffer, src->data, + src->size); +end: + return ret; +} + LTTNG_HIDDEN int lttng_dynamic_buffer_set_size(struct lttng_dynamic_buffer *buffer, size_t new_size) @@ -117,6 +134,7 @@ int lttng_dynamic_buffer_set_size(struct lttng_dynamic_buffer *buffer, * size _before_ making such calls. */ } + buffer->size = new_size; end: return ret; @@ -150,6 +168,7 @@ int lttng_dynamic_buffer_set_capacity(struct lttng_dynamic_buffer *buffer, ret = -1; goto end; } + buffer->data = new_buf; buffer->_capacity = new_capacity; end: @@ -163,9 +182,11 @@ void lttng_dynamic_buffer_reset(struct lttng_dynamic_buffer *buffer) if (!buffer) { return; } + buffer->size = 0; buffer->_capacity = 0; free(buffer->data); + buffer->data = NULL; } LTTNG_HIDDEN @@ -175,5 +196,6 @@ size_t lttng_dynamic_buffer_get_capacity_left( if (!buffer) { return 0; } + return buffer->_capacity - buffer->size; }