Use standard IOV_MAX definition where applicable

This is provided by <limits.h> on all platforms as long as _XOPEN_SOURCE
is defined. On Linux, this is 1024, on Solaris, this is 16, and on any
other platform, we now respect the value supported by the OS.

Signed-off-by: Dan McGee <dpmcgee@gmail.com>

1 files changed, 8 insertions, 3 deletions

diff --git a/server/red_channel.h b/server/red_channel.h
index a360a302..ce534ca1 100644
--- a/server/red_channel.h
+++ b/server/red_channel.h
@@ -22,17 +22,22 @@
 #ifndef _H_RED_CHANNEL
 #define _H_RED_CHANNEL
 
-#include "red_common.h"
 #include <pthread.h>
+#include <limits.h>
+
+#include "red_common.h"
 #include "spice.h"
 #include "ring.h"
 #include "common/marshaller.h"
 #include "server/demarshallers.h"
 
 #define MAX_SEND_BUFS 1000
-#define MAX_SEND_VEC 100
 #define CLIENT_ACK_WINDOW 20
 
+#ifndef IOV_MAX
+#define IOV_MAX 1024
+#endif
+
 #define MAX_HEADER_SIZE sizeof(SpiceDataHeader)
 
 /* Basic interface for channels, without using the RedChannel interface.
@@ -109,7 +114,7 @@ typedef struct OutgoingHandlerInterface {
 typedef struct OutgoingHandler {
     OutgoingHandlerInterface *cb;
     void *opaque;
-    struct iovec vec_buf[MAX_SEND_VEC];
+    struct iovec vec_buf[IOV_MAX];
     int vec_size;
     struct iovec *vec;
     int pos;