io: handle data_size of -1 as unlimited data in print_iovec

[strace] / configure.ac

diff --git a/configure.ac b/configure.ac
index 5c924e7e4da1547a517b73e5e37583f986b0d127..404dfb9da4ecacaebc362c45bee6a4833f0c5d9d 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -281,6 +281,7 @@ AC_TYPE_UID_T
 
 AC_CHECK_FUNCS(m4_normalize([
        accept4
+       fallocate
        fanotify_mark
        fopen64
        fork