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| author | Benedict Reuschling <bcr@FreeBSD.org> | 2022-10-07 11:32:37 +0000 |
|---|---|---|
| committer | Benedict Reuschling <bcr@FreeBSD.org> | 2022-10-07 11:32:37 +0000 |
| commit | 1c2be25f6080ee63baeae55e45761e1310d1b756 (patch) | |
| tree | ea606a331768f903d76ff66e4d1523cd47cee4f1 | |
| parent | 53af690381641290d252455b3c227c8a0920811b (diff) | |
| download | src-1c2be25f6080ee63baeae55e45761e1310d1b756.tar.gz src-1c2be25f6080ee63baeae55e45761e1310d1b756.zip | |
Add extra EINVAL information about wrong block size to read(2)/write(2)
The read system call will return EINVAL if the current file offset is
not a multiple of the block size. This also applies to write(2). Add an
entry for EINVAL about this error to both man pages.
PR: 91149
Event: Aberdeen Hackathon 2022
Differential Revision: https://reviews.freebsd.org/D24617
| -rw-r--r-- | lib/libc/sys/read.2 | 4 | ||||
| -rw-r--r-- | lib/libc/sys/write.2 | 4 |
2 files changed, 6 insertions, 2 deletions
diff --git a/lib/libc/sys/read.2 b/lib/libc/sys/read.2 index 8b58debd3fbb..28d085562af3 100644 --- a/lib/libc/sys/read.2 +++ b/lib/libc/sys/read.2 @@ -28,7 +28,7 @@ .\" @(#)read.2 8.4 (Berkeley) 2/26/94 .\" $FreeBSD$ .\" -.Dd June 4, 2020 +.Dd October 7, 2022 .Dt READ 2 .Os .Sh NAME @@ -250,6 +250,8 @@ The sum of the values in the .Fa iov array overflowed a 32-bit integer. +.It Bq Er EINVAL +The current file offset is not a multiple of the block size. .It Bq Er EFAULT Part of the .Fa iov diff --git a/lib/libc/sys/write.2 b/lib/libc/sys/write.2 index 937e95b53a14..048338ed4dee 100644 --- a/lib/libc/sys/write.2 +++ b/lib/libc/sys/write.2 @@ -28,7 +28,7 @@ .\" @(#)write.2 8.5 (Berkeley) 4/2/94 .\" $FreeBSD$ .\" -.Dd February 11, 2021 +.Dd October 7, 2022 .Dt WRITE 2 .Os .Sh NAME @@ -205,6 +205,8 @@ is greater than if the sysctl .Va debug.iosize_max_clamp is non-zero). +.It Bq Er EINVAL +The current file offset is not a multiple of the block size. .It Bq Er EINTEGRITY The backing store for .Fa fd |