72 lines
2.6 KiB
Diff
72 lines
2.6 KiB
Diff
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From 1077d5bebffacfd4b09896ed890fb45a5b3c6dc6 Mon Sep 17 00:00:00 2001
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From: Max Filippov <jcmvbkbc@gmail.com>
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Date: Fri, 10 May 2019 07:13:19 -0700
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Subject: [PATCH] preadv/pwritev: fix offset argument type
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preadv/pwritev don't provide separate version for 64-bit wide off_t,
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and default to 32-bit wide off_t, which results in a mismatch between
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declaration and definition for user programs built with
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-D_FILE_OFFSET_BITS=64.
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Make offset argument of both functions __off64_t.
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This fixes test misc/tst-preadvwritev on xtensa.
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Backported from: 423e49023eeb ("preadv/pwritev: fix offset argument type")
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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---
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include/sys/uio.h | 4 ++--
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libc/sysdeps/linux/common/preadv.c | 2 +-
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libc/sysdeps/linux/common/pwritev.c | 2 +-
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3 files changed, 4 insertions(+), 4 deletions(-)
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diff --git a/include/sys/uio.h b/include/sys/uio.h
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index aa766f9b1187..330426fec492 100644
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--- a/include/sys/uio.h
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+++ b/include/sys/uio.h
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@@ -59,7 +59,7 @@ extern ssize_t writev (int __fd, const struct iovec *__iovec, int __count);
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This function is a cancellation point and therefore not marked with
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__THROW. */
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extern ssize_t preadv (int __fd, const struct iovec *__iovec, int __count,
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- off_t __offset) __wur;
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+ __off64_t __offset) __wur;
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/* Write data pointed by the buffers described by IOVEC, which is a
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vector of COUNT 'struct iovec's, to file descriptor FD at the given
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@@ -71,7 +71,7 @@ extern ssize_t preadv (int __fd, const struct iovec *__iovec, int __count,
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This function is a cancellation point and therefore not marked with
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__THROW. */
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extern ssize_t pwritev (int __fd, const struct iovec *__iovec, int __count,
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- off_t __offset) __wur;
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+ __off64_t __offset) __wur;
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#endif /* Use misc. */
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__END_DECLS
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diff --git a/libc/sysdeps/linux/common/preadv.c b/libc/sysdeps/linux/common/preadv.c
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index fd9dde4b999c..6a07d5df87e0 100644
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--- a/libc/sysdeps/linux/common/preadv.c
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+++ b/libc/sysdeps/linux/common/preadv.c
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@@ -21,7 +21,7 @@
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#ifdef __NR_preadv
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ssize_t
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-preadv (int fd, const struct iovec *vector, int count, off_t offset)
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+preadv (int fd, const struct iovec *vector, int count, __off64_t offset)
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{
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unsigned long pos_l, pos_h;
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diff --git a/libc/sysdeps/linux/common/pwritev.c b/libc/sysdeps/linux/common/pwritev.c
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index bef5bcf69b46..f07c40e6de3c 100644
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--- a/libc/sysdeps/linux/common/pwritev.c
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+++ b/libc/sysdeps/linux/common/pwritev.c
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@@ -21,7 +21,7 @@
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#ifdef __NR_pwritev
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ssize_t
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-pwritev (int fd, const struct iovec *vector, int count, off_t offset)
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+pwritev (int fd, const struct iovec *vector, int count, __off64_t offset)
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{
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unsigned long pos_l, pos_h;
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--
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2.11.0
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