[Qemu-devel] [PATCH 15/43] windbg: sized data buffer

[Mihail Abakumov]

Defined useful sized data buffer. It contains pointer to data and size of this 
data. Also, defined some macroses for init and free.

Signed-off-by: Mihail Abakumov <mikhail.abaku...@ispras.ru>
Signed-off-by: Pavel Dovgalyuk <dovga...@ispras.ru>
Signed-off-by: Dmitriy Koltunov <koltu...@ispras.ru>
---
 include/exec/windbgstub-utils.h |   15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/include/exec/windbgstub-utils.h b/include/exec/windbgstub-utils.h
index cf2996d8cb..791721d472 100755
--- a/include/exec/windbgstub-utils.h
+++ b/include/exec/windbgstub-utils.h
@@ -86,6 +86,21 @@ typedef struct PacketData {
     uint16_t extra_size;
 } PacketData;
 
+typedef struct SizedBuf {
+    uint8_t *data;
+    size_t size;
+} SizedBuf;
+
+#define SBUF_INIT(buf, mem_ptr, len) do { \
+    buf.data = mem_ptr;                   \
+    buf.size = len;                       \
+} while (false)
+#define SBUF_MALLOC(buf, size) SBUF_INIT(buf, g_malloc0(size), size)
+#define SBUF_FREE(buf) do { \
+    g_free(buf.data);       \
+    buf.data = NULL;        \
+    buf.size = 0;           \
+} while (false)
 bool windbg_on_load(void);
 void windbg_on_exit(void);