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authorFlorian Weimer <fweimer@redhat.com>2019-07-29 21:02:46 +0200
committerFlorian Weimer <fweimer@redhat.com>2019-07-29 21:02:46 +0200
commitb8b3d5a14e9d6248f8d78958c497eea0a684c939 (patch)
tree1449ad0591d2c322ec32282700778486f78b681c
parent354e4c1adddb1da19c1043e3e5db61ee2148d912 (diff)
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Linux: Move getdents64 to <dirent.h>
This matches the location of the declaration in musl. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
-rw-r--r--ChangeLog12
-rw-r--r--bits/dirent_ext.h21
-rw-r--r--dirent/Makefile2
-rw-r--r--dirent/dirent.h2
-rw-r--r--manual/filesys.texi2
-rw-r--r--sysdeps/unix/sysv/linux/bits/dirent_ext.h33
-rw-r--r--sysdeps/unix/sysv/linux/bits/unistd_ext.h6
7 files changed, 70 insertions, 8 deletions
diff --git a/ChangeLog b/ChangeLog
index b4b6bc2..6099d14 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2019-07-29 Florian Weimer <fweimer@redhat.com>
+
+ Linux: Move declaration of getdents64 to <dirent.h>.
+ * bits/dirent_ext.h: New file.
+ * dirent/Makefile (headers): Add bits/dirent_ext.h.
+ * dirent/dirent.h: Include <bits/dirent_ext.h>.
+ * sysdeps/unix/sysv/linux/bits/dirent_ext.h: New file.
+ * sysdeps/unix/sysv/linux/bits/unistd_ext.h (getdents64): Remove
+ declaration.
+ * manual/filesys.texi (Low-level Directory Access): Update header
+ to dirent.h.
+
2019-07-29 DJ Delorie <dj@redhat.com>
Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
diff --git a/bits/dirent_ext.h b/bits/dirent_ext.h
new file mode 100644
index 0000000..279fd25
--- /dev/null
+++ b/bits/dirent_ext.h
@@ -0,0 +1,21 @@
+/* System-specific extensions of <dirent.h>, generic version.
+ Copyright (C) 2019 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _DIRENT_H
+# error "Never include <bits/dirent_ext.h> directly; use <dirent.h> instead."
+#endif
diff --git a/dirent/Makefile b/dirent/Makefile
index b002214..144e448 100644
--- a/dirent/Makefile
+++ b/dirent/Makefile
@@ -22,7 +22,7 @@ subdir := dirent
include ../Makeconfig
-headers := dirent.h bits/dirent.h
+headers := dirent.h bits/dirent.h bits/dirent_ext.h
routines := opendir closedir readdir readdir_r rewinddir \
seekdir telldir scandir alphasort versionsort \
getdents getdents64 dirfd readdir64 readdir64_r scandir64 \
diff --git a/dirent/dirent.h b/dirent/dirent.h
index fc4d485..d4650db 100644
--- a/dirent/dirent.h
+++ b/dirent/dirent.h
@@ -401,4 +401,6 @@ extern int versionsort64 (const struct dirent64 **__e1,
__END_DECLS
+#include <bits/dirent_ext.h>
+
#endif /* dirent.h */
diff --git a/manual/filesys.texi b/manual/filesys.texi
index 5133194..d31dbb2 100644
--- a/manual/filesys.texi
+++ b/manual/filesys.texi
@@ -843,7 +843,7 @@ Directory data is obtained from a file descriptor, as created by the
@xref{Opening and Closing Files}.
@deftypefun ssize_t getdents64 (int @var{fd}, void *@var{buffer}, size_t @var{length})
-@standards{Linux, unistd.h}
+@standards{Linux, dirent.h}
@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
The @code{getdents64} function reads at most @var{length} bytes of
directory entry data from the file descriptor @var{fd} and stores it
diff --git a/sysdeps/unix/sysv/linux/bits/dirent_ext.h b/sysdeps/unix/sysv/linux/bits/dirent_ext.h
new file mode 100644
index 0000000..bac8f95
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/dirent_ext.h
@@ -0,0 +1,33 @@
+/* System-specific extensions of <dirent.h>. Linux version.
+ Copyright (C) 2019 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _DIRENT_H
+# error "Never include <bits/dirent_ext.h> directly; use <dirent.h> instead."
+#endif
+
+__BEGIN_DECLS
+
+#ifdef __USE_GNU
+/* Read from the directory descriptor FD into LENGTH bytes at BUFFER.
+ Return the number of bytes read on success (0 for end of
+ directory), and -1 for failure. */
+extern __ssize_t getdents64 (int __fd, void *__buffer, size_t __length)
+ __THROW __nonnull ((2));
+#endif
+
+__END_DECLS
diff --git a/sysdeps/unix/sysv/linux/bits/unistd_ext.h b/sysdeps/unix/sysv/linux/bits/unistd_ext.h
index 6e7b2bb..0061172 100644
--- a/sysdeps/unix/sysv/linux/bits/unistd_ext.h
+++ b/sysdeps/unix/sysv/linux/bits/unistd_ext.h
@@ -22,12 +22,6 @@
#ifdef __USE_GNU
-/* Read from the directory descriptor FD into LENGTH bytes at BUFFER.
- Return the number of bytes read on success (0 for end of
- directory), and -1 for failure. */
-extern ssize_t getdents64 (int __fd, void *__buffer, size_t __length)
- __THROW __nonnull ((2));
-
/* Return the kernel thread ID (TID) of the current thread. The
returned value is not subject to caching. Most Linux system calls
accept a TID in place of a PID. Using the TID to change properties