add UIO_MAXIOV macro in sys/uio.h

[musl] / include / sys / uio.h

diff --git a/include/sys/uio.h b/include/sys/uio.h
index 60c5c2f..00f73a2 100644 (file)
--- a/include/sys/uio.h
+++ b/include/sys/uio.h
@@ -21,12 +21,19 @@ extern "C" {
 
 #include <bits/alltypes.h>
 
+#define UIO_MAXIOV 1024
+
 ssize_t readv (int, const struct iovec *, int);
 ssize_t writev (int, const struct iovec *, int);
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 ssize_t preadv (int, const struct iovec *, int, off_t);
 ssize_t pwritev (int, const struct iovec *, int, off_t);
+#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
+#define preadv64 preadv
+#define pwritev64 pwritev
+#define off64_t off_t
+#endif
 #endif
 
 #ifdef _GNU_SOURCE