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-rw-r--r--libxcb/src/xcb_conn.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/libxcb/src/xcb_conn.c b/libxcb/src/xcb_conn.c
index 45ada1fb7..c14d40123 100644
--- a/libxcb/src/xcb_conn.c
+++ b/libxcb/src/xcb_conn.c
@@ -36,6 +36,7 @@
#include <stdlib.h>
#include <fcntl.h>
#include <errno.h>
+#include <limits.h>
#include "xcb.h"
#include "xcbint.h"
@@ -230,7 +231,11 @@ static int write_vec(xcb_connection_t *c, struct iovec **vector, int *count)
}
#else
assert(!c->out.queue_len);
- n = writev(c->fd, *vector, *count);
+ n = *count;
+ if (n > IOV_MAX)
+ n = IOV_MAX;
+
+ n = writev(c->fd, *vector, n);
if(n < 0 && errno == EAGAIN)
return 1;
#endif /* _WIN32 */