From 571ac26f69c319b84f8191b38e5307d0ddf6174c Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Fri, 17 Apr 2009 21:26:34 +0000 Subject: [PATCH] * sysdeps/posix/preadv.c: Reading of zero bytes is no error. * sysdeps/posix/readv.c: Likewise. Reported by Markus Armbruster . --- ChangeLog | 4 ++++ sysdeps/posix/preadv.c | 2 +- sysdeps/posix/readv.c | 2 +- 3 files changed, 6 insertions(+), 2 deletions(-) diff --git a/ChangeLog b/ChangeLog index 4b4bbdc63b..d30e6b3859 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2009-04-17 Ulrich Drepper + * sysdeps/posix/preadv.c: Reading of zero bytes is no error. + * sysdeps/posix/readv.c: Likewise. + Reported by Markus Armbruster . + * malloc/hooks.c (top_check): Force hook value into register. 2009-04-16 Samuel Thibault diff --git a/sysdeps/posix/preadv.c b/sysdeps/posix/preadv.c index e697604c19..3d975226cf 100644 --- a/sysdeps/posix/preadv.c +++ b/sysdeps/posix/preadv.c @@ -83,7 +83,7 @@ PREADV (int fd, const struct iovec *vector, int count, OFF_T offset) /* Read the data. */ ssize_t bytes_read = PREAD (fd, buffer, bytes, offset); - if (bytes_read <= 0) + if (bytes_read < 0) return -1; /* Copy the data from BUFFER into the memory specified by VECTOR. */ diff --git a/sysdeps/posix/readv.c b/sysdeps/posix/readv.c index 50bcc91315..6f16b9d946 100644 --- a/sysdeps/posix/readv.c +++ b/sysdeps/posix/readv.c @@ -70,7 +70,7 @@ __libc_readv (int fd, const struct iovec *vector, int count) /* Read the data. */ ssize_t bytes_read = __read (fd, buffer, bytes); - if (bytes_read <= 0) + if (bytes_read < 0) return -1; /* Copy the data from BUFFER into the memory specified by VECTOR. */