From: Alejandro Colomar <alx.manpages@gmail.com>
To: mtk.manpages@gmail.com
Cc: Florian Weimer <fweimer@redhat.com>, Jakub Wilk <jwilk@jwilk.net>,
Alejandro Colomar <alx.manpages@gmail.com>,
linux-man@vger.kernel.org, libc-alpha@sourceware.org
Subject: [PATCH 02/39] getdents.2: Use syscall(SYS_...); for system calls without a wrapper
Date: Mon, 10 May 2021 19:55:11 +0200 [thread overview]
Message-ID: <20210510175546.28445-3-alx.manpages@gmail.com> (raw)
In-Reply-To: <20210510175546.28445-1-alx.manpages@gmail.com>
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
---
man2/getdents.2 | 20 +++++++++++++++-----
1 file changed, 15 insertions(+), 5 deletions(-)
diff --git a/man2/getdents.2 b/man2/getdents.2
index ec00a73ba..df766b066 100644
--- a/man2/getdents.2
+++ b/man2/getdents.2
@@ -33,19 +33,29 @@
getdents, getdents64 \- get directory entries
.SH SYNOPSIS
.nf
-.BI "long getdents(unsigned int " fd ", struct linux_dirent *" dirp ,
+.BR "#include <sys/syscall.h>" " /* Definition of " SYS_* " constants */"
+.B #include <unistd.h>
+.PP
+.BI "long syscall(SYS_getdents, unsigned int " fd \
+", struct linux_dirent *" dirp ,
.BI " unsigned int " count );
.PP
-.BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */"
+.BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */"
.BR "#include <dirent.h>"
.PP
.BI "ssize_t getdents64(int " fd ", void *" dirp ", size_t " count );
.fi
.PP
.IR Note :
-There is no glibc wrapper for
-.BR getdents ();
-see NOTES.
+glibc provides no wrapper for
+.BR getdents (),
+necessitating the use of
+.BR syscall (2).
+.PP
+.IR Note :
+There is no definition of
+.B struct linux_dirent
+in glibc; see NOTES.
.SH DESCRIPTION
These are not the interfaces you are interested in.
Look at
--
2.31.1
next prev parent reply other threads:[~2021-05-10 17:56 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-10 17:55 [PATCH 00/39] man2: SYNOPSIS: Fix headers, use syscall(), and other fixes Alejandro Colomar
2021-05-10 17:55 ` [PATCH 01/39] futex.2: Use syscall(SYS_...); for system calls without a wrapper Alejandro Colomar
2021-05-10 17:55 ` Alejandro Colomar [this message]
2021-05-11 5:21 ` [PATCH 02/39] getdents.2: " Michael Kerrisk (man-pages)
2021-05-10 17:55 ` [PATCH 03/39] ioctl_tty.2: Fix includes Alejandro Colomar
2021-05-10 17:55 ` [PATCH 04/39] ioctl_userfaultfd.2: SYNOPSIS: Add <linux/userfaultfd.h> Alejandro Colomar
2021-05-10 17:55 ` [PATCH 05/39] io_destroy.2: Use syscall(SYS_...); for system calls without a wrapper Alejandro Colomar
2021-05-10 17:55 ` [PATCH 06/39] io_getevents.2: " Alejandro Colomar
2021-05-10 17:55 ` [PATCH 07/39] ioperm.2: Remove obvious comment Alejandro Colomar
2021-05-10 17:55 ` [PATCH 08/39] ioprio_set.2: Use syscall(SYS_...); for system calls without a wrapper Alejandro Colomar
2021-05-10 17:55 ` [PATCH 09/39] ipc.2: " Alejandro Colomar
2021-05-10 17:55 ` [PATCH 10/39] ipc.2: Add needed include Alejandro Colomar
2021-05-10 17:55 ` [PATCH 11/39] kcmp.2: Use syscall(SYS_...); for system calls without a wrapper Alejandro Colomar
2021-05-10 17:55 ` [PATCH 12/39] kcmp.2: tfix Alejandro Colomar
2021-05-10 17:55 ` [PATCH 13/39] kexec_load.2: Use syscall(SYS_...); for system calls without a wrapper Alejandro Colomar
2021-05-10 17:55 ` [PATCH 14/39] scripts/bash_aliases: man_lsfunc(): Extract syscall name from syscall(SYS_...) Alejandro Colomar
2021-05-10 17:55 ` [PATCH 15/39] keyctl.2: Use syscall(SYS_...); for system calls without a glibc wrapper Alejandro Colomar
2021-05-10 17:55 ` [PATCH 16/39] link.2: ffix Alejandro Colomar
2021-05-10 17:55 ` [PATCH 17/39] llseek.2: Use syscall(SYS_...); for system calls without a wrapper Alejandro Colomar
2021-05-10 17:55 ` [PATCH 18/39] lookup_dcookie.2: " Alejandro Colomar
2021-05-10 17:55 ` [PATCH 19/39] membarrier.2: " Alejandro Colomar
2021-05-10 17:55 ` [PATCH 20/39] mincore.2: Remove unused include Alejandro Colomar
2021-05-10 17:55 ` [PATCH 21/39] mknod.2: Remove unused includes Alejandro Colomar
2021-05-10 17:55 ` [PATCH 22/39] mmap2.2: Use syscall(SYS_...); for system calls without a wrapper Alejandro Colomar
2021-05-10 17:55 ` [PATCH 23/39] modify_ldt.2: " Alejandro Colomar
2021-05-10 17:55 ` [PATCH 24/39] mq_getsetattr.2: " Alejandro Colomar
2021-05-10 17:55 ` [PATCH 25/39] alloc_hugepages.2, arch_prctl.2, capget.2, clone.2, delete_module.2, exit_group.2, get_robust_list.2, getunwind.2, init_module.2: Add note about the use of syscall(2) Alejandro Colomar
2021-05-10 17:55 ` [PATCH 26/39] open.2: Remove unused <sys/stat.h> Alejandro Colomar
2021-05-10 18:02 ` Alejandro Colomar (man-pages)
2021-05-11 5:15 ` Michael Kerrisk (man-pages)
2021-05-10 17:55 ` [PATCH 27/39] openat2.2: Use syscall(SYS_...); for system calls without a wrapper; fix includes too Alejandro Colomar
2021-05-10 17:55 ` [PATCH 28/39] perf_event_open.2: Use syscall(SYS_...); for system calls without a wrapper Alejandro Colomar
2021-05-10 17:55 ` [PATCH 29/39] pidfd_getfd.2: " Alejandro Colomar
2021-05-10 17:55 ` [PATCH 30/39] pidfd_open.2: " Alejandro Colomar
2021-05-10 17:55 ` [PATCH 31/39] pidfd_send_signal.2: Use syscall(SYS_...); for system calls without a wrapper. Fix includes too Alejandro Colomar
2021-05-10 17:55 ` [PATCH 32/39] pipe.2: wfix Alejandro Colomar
2021-05-10 17:55 ` [PATCH 33/39] pivot_root.2: Use syscall(SYS_...); for system calls without a wrapper Alejandro Colomar
2021-05-10 17:55 ` [PATCH 34/39] poll.2: Remove <signal.h> Alejandro Colomar
2021-05-10 17:55 ` [PATCH 35/39] process_madvise.2: Use syscall(SYS_...); for system calls without a wrapper. Fix includes too Alejandro Colomar
2021-05-10 17:55 ` [PATCH 36/39] quotactl.2: Better detail why <xfs/xqm.h> is included Alejandro Colomar
2021-05-10 17:55 ` [PATCH 37/39] readdir.2: Use syscall(SYS_...); for system calls without a wrapper Alejandro Colomar
2021-05-10 17:55 ` [PATCH 38/39] readlink.2: ffix Alejandro Colomar
2021-05-10 17:55 ` [PATCH 39/39] reboot.2: Use syscall(SYS_...); for system calls without a wrapper Alejandro Colomar
2021-05-10 18:02 ` Alejandro Colomar (man-pages)
2021-05-11 5:19 ` Michael Kerrisk (man-pages)
2021-05-11 5:27 ` [PATCH 00/39] man2: SYNOPSIS: Fix headers, use syscall(), and other fixes Michael Kerrisk (man-pages)
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