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From: "Alejandro Colomar (man-pages)" <alx.manpages@gmail.com>
To: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>
Cc: linux-man <linux-man@vger.kernel.org>
Subject: off64_t, loff_t
Date: Tue, 29 Dec 2020 15:03:07 +0100	[thread overview]
Message-ID: <a09d053d-256e-c031-e4dd-ff4d552468bd@gmail.com> (raw)

Hi Michael,

This is related to:
https://lore.kernel.org/linux-man/CAKgNAkhuL9JRG_YhVG6Y-yjobDVAGjrUSdcQ4kV-4MABjZiwRQ@mail.gmail.com/


copy_file_range(2) says it uses 'loff_t':

$ man 2 copy_file_range \
> |sed -n '/SYNOPSIS/,/DESCRIPTION/{/copy_file_range/,/^$/p}';
       ssize_t copy_file_range(int fd_in, loff_t *off_in,
                               int fd_out, loff_t *off_out,
                               size_t len, unsigned int flags);

But glibc uses 'off64_t' AFAICS:

$ syscall='copy_file_range';
$ pattern="^[^ ]*ssize_t ${syscall}[ ]*(";
$ find glibc/ -name '*.h' \
> |xargs sed -n -e "/${pattern}/p" -e "/${pattern}/,/^$/p" \
> |sed -n -e "/${pattern}/,/;/p" -e '/^$/p' \
> |uniq;
ssize_t copy_file_range (int __infd, __off64_t *__pinoff,
			 int __outfd, __off64_t *__poutoff,
			 size_t __length, unsigned int __flags);


What would you do about it?
`sed -i 's/loff_t/off64_t/' man2/copy_file_range.2`?

Thanks,

Alex


-- 
Alejandro Colomar
Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/
http://www.alejandro-colomar.es/

             reply	other threads:[~2020-12-29 14:04 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-29 14:03 Alejandro Colomar (man-pages) [this message]
2020-12-29 20:03 ` off64_t, loff_t Michael Kerrisk (man-pages)

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