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[Qemu-devel] [RfC PATCH 04/10] io: add qio_buffer_init
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [RfC PATCH 04/10] io: add qio_buffer_init |
Date: |
Thu, 24 Sep 2015 10:42:02 +0200 |
Signed-off-by: Gerd Hoffmann <address@hidden>
---
include/io/buffer.h | 12 ++++++++++++
io/buffer.c | 11 +++++++++++
2 files changed, 23 insertions(+)
diff --git a/include/io/buffer.h b/include/io/buffer.h
index 2b1b261..cffad19 100644
--- a/include/io/buffer.h
+++ b/include/io/buffer.h
@@ -34,12 +34,24 @@ typedef struct QIOBuffer QIOBuffer;
*/
struct QIOBuffer {
+ char *name;
size_t capacity;
size_t offset;
uint8_t *buffer;
};
/**
+ * qio_buffer_init:
+ * @buffer: the buffer object
+ * @name: buffer name
+ *
+ * Optionally attach a name to the buffer, to make it easier
+ * to identify in debug traces.
+ */
+void qio_buffer_init(QIOBuffer *buffer, const char *name, ...)
+ GCC_FMT_ATTR(2, 3);
+
+/**
* qio_buffer_reserve:
* @buffer: the buffer object
* @len: the minimum required free space
diff --git a/io/buffer.c b/io/buffer.c
index 6aa06e7..daa3ebf 100644
--- a/io/buffer.c
+++ b/io/buffer.c
@@ -22,6 +22,15 @@
#define QIO_BUFFER_MIN_INIT_SIZE 4096
+void qio_buffer_init(QIOBuffer *buffer, const char *name, ...)
+{
+ va_list ap;
+
+ va_start(ap, name);
+ buffer->name = g_strdup_vprintf(name, ap);
+ va_end(ap);
+}
+
void qio_buffer_reserve(QIOBuffer *buffer, size_t len)
{
if ((buffer->capacity - buffer->offset) < len) {
@@ -49,9 +58,11 @@ void qio_buffer_reset(QIOBuffer *buffer)
void qio_buffer_free(QIOBuffer *buffer)
{
g_free(buffer->buffer);
+ g_free(buffer->name);
buffer->offset = 0;
buffer->capacity = 0;
buffer->buffer = NULL;
+ buffer->name = NULL;
}
void qio_buffer_append(QIOBuffer *buffer, const void *data, size_t len)
--
1.8.3.1
- [Qemu-devel] [RfC PATCH 00/10] vnc buffer handling, Gerd Hoffmann, 2015/09/24
- [Qemu-devel] [RfC PATCH 03/10] vnc: make the Buffer capacity increase in powers of two, Gerd Hoffmann, 2015/09/24
- [Qemu-devel] [RfC PATCH 04/10] io: add qio_buffer_init,
Gerd Hoffmann <=
- [Qemu-devel] [RfC PATCH 01/10] io/ makefile fluff, Gerd Hoffmann, 2015/09/24
- [Qemu-devel] [RfC PATCH 06/10] io: add qio_buffer_move, Gerd Hoffmann, 2015/09/24
- [Qemu-devel] [RfC PATCH 09/10] vnc: kill jobs queue buffer, Gerd Hoffmann, 2015/09/24
- [Qemu-devel] [RfC PATCH 07/10] io: add qio_buffer tracing, Gerd Hoffmann, 2015/09/24
- [Qemu-devel] [RfC PATCH 08/10] name vnc buffers, Gerd Hoffmann, 2015/09/24