[PATCH 07/15] winedbg: Support partial qXfer replies.

[Rémi Bernon]

Signed-off-by: Rémi Bernon 
---
 programs/winedbg/gdbproxy.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/programs/winedbg/gdbproxy.c b/programs/winedbg/gdbproxy.c
index e845485ae98..fdab2a9755f 100644
--- a/programs/winedbg/gdbproxy.c
+++ b/programs/winedbg/gdbproxy.c
@@ -775,6 +775,35 @@ static void packet_reply_close(struct gdb_context* gdbctx)
     gdbctx->out_curr_packet = -1;
 }

+static void packet_reply_open_xfer(struct gdb_context* gdbctx)
+{
+    packet_reply_open(gdbctx);
+    packet_reply_add(gdbctx, "m");
+}
+
+static void packet_reply_close_xfer(struct gdb_context* gdbctx, int off, int len)
+{
+    int begin = gdbctx->out_curr_packet + 1;
+    int plen;
+
+    if (begin + off < gdbctx->out_len)
+    {
+        gdbctx->out_len -= off;
+        memmove(gdbctx->out_buf + begin, gdbctx->out_buf + begin + off, gdbctx->out_len);
+    }
+    else
+    {
+        gdbctx->out_buf[gdbctx->out_curr_packet] = 'l';
+        gdbctx->out_len = gdbctx->out_curr_packet + 1;
+    }
+
+    plen = gdbctx->out_len - begin;
+    if (len >= 0 && plen > len) gdbctx->out_len -= (plen - len);
+    else gdbctx->out_buf[gdbctx->out_curr_packet] = 'l';
+
+    packet_reply_close(gdbctx);
+}
+
 static enum packet_return packet_reply(struct gdb_context* gdbctx, const char* packet)
 {
     packet_reply_open(gdbctx);