From d4b4a00a462348750bb18544eb30853ee6ac5d10 Mon Sep 17 00:00:00 2001 From: Florian Weimer Date: Fri, 2 Feb 2018 10:46:26 +0100 Subject: preadv2/pwritev2: Handle offset == -1 [BZ #22753] Reviewed-by: Adhemerval Zanella --- sysdeps/unix/sysv/linux/preadv2.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'sysdeps/unix/sysv/linux/preadv2.c') diff --git a/sysdeps/unix/sysv/linux/preadv2.c b/sysdeps/unix/sysv/linux/preadv2.c index 06d29b1322..c8bf0764ef 100644 --- a/sysdeps/unix/sysv/linux/preadv2.c +++ b/sysdeps/unix/sysv/linux/preadv2.c @@ -49,7 +49,10 @@ preadv2 (int fd, const struct iovec *vector, int count, off_t offset, __set_errno (ENOTSUP); return -1; } - return preadv (fd, vector, count, offset); + if (offset == -1) + return __readv (fd, vector, count); + else + return preadv (fd, vector, count, offset); } #endif -- cgit 1.4.1