From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: libc-alpha@sourceware.org
Subject: [PATCH v3 23/24] libsupport: Add 64-bit time_t support for stat functions
Date: Mon, 7 Jun 2021 17:36:12 -0300 [thread overview]
Message-ID: <20210607203613.282543-24-adhemerval.zanella@linaro.org> (raw)
In-Reply-To: <20210607203613.282543-1-adhemerval.zanella@linaro.org>
The patch adds redirections for xstat, xlstat, and xfstat when
_TIME_BITS=64 is defined.
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
---
support/Makefile | 3 +++
support/support-xfstat-time64.c | 32 ++++++++++++++++++++++++++++++++
support/support-xstat-time64.c | 32 ++++++++++++++++++++++++++++++++
support/xlstat-time64.c | 32 ++++++++++++++++++++++++++++++++
support/xunistd.h | 13 +++++++++++++
5 files changed, 112 insertions(+)
create mode 100644 support/support-xfstat-time64.c
create mode 100644 support/support-xstat-time64.c
create mode 100644 support/xlstat-time64.c
diff --git a/support/Makefile b/support/Makefile
index e27b9b164e..f3ebaa8d2e 100644
--- a/support/Makefile
+++ b/support/Makefile
@@ -40,7 +40,9 @@ libsupport-routines = \
resolv_test \
set_fortify_handler \
support-xfstat \
+ support-xfstat-time64 \
support-xstat \
+ support-xstat-time64 \
support_become_root \
support_can_chroot \
support_capture_subprocess \
@@ -117,6 +119,7 @@ libsupport-routines = \
xlisten \
xlseek \
xlstat \
+ xlstat-time64 \
xmalloc \
xmemstream \
xmkdir \
diff --git a/support/support-xfstat-time64.c b/support/support-xfstat-time64.c
new file mode 100644
index 0000000000..324c5d20d2
--- /dev/null
+++ b/support/support-xfstat-time64.c
@@ -0,0 +1,32 @@
+/* 64-bit time_t stat with error checking.
+ Copyright (C) 2021 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
+ <https://www.gnu.org/licenses/>. */
+
+/* NB: Non-standard file name to avoid sysdeps override for xstat. */
+
+#include <support/check.h>
+#include <support/xunistd.h>
+#include <sys/stat.h>
+
+#if __TIMESIZE != 64
+void
+xfstat_time64 (int fd, struct __stat64_t64 *result)
+{
+ if (__fstat64_time64 (fd, result) != 0)
+ FAIL_EXIT1 ("__fstat64_time64 (%d): %m", fd);
+}
+#endif
diff --git a/support/support-xstat-time64.c b/support/support-xstat-time64.c
new file mode 100644
index 0000000000..7d0194b98a
--- /dev/null
+++ b/support/support-xstat-time64.c
@@ -0,0 +1,32 @@
+/* 64-bit time_t stat with error checking.
+ Copyright (C) 2021 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
+ <https://www.gnu.org/licenses/>. */
+
+/* NB: Non-standard file name to avoid sysdeps override for xstat. */
+
+#include <support/check.h>
+#include <support/xunistd.h>
+#include <sys/stat.h>
+
+#if __TIMESIZE != 64
+void
+xstat_time64 (const char *path, struct __stat64_t64 *result)
+{
+ if (__stat64_time64 (path, result) != 0)
+ FAIL_EXIT1 ("__stat64_time64 (\"%s\"): %m", path);
+}
+#endif
diff --git a/support/xlstat-time64.c b/support/xlstat-time64.c
new file mode 100644
index 0000000000..ef4d922635
--- /dev/null
+++ b/support/xlstat-time64.c
@@ -0,0 +1,32 @@
+/* 64-bit time_t stat with error checking.
+ Copyright (C) 2021 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
+ <https://www.gnu.org/licenses/>. */
+
+/* NB: Non-standard file name to avoid sysdeps override for xstat. */
+
+#include <support/check.h>
+#include <support/xunistd.h>
+#include <sys/stat.h>
+
+#if __TIMESIZE != 64
+void
+xlstat_time64 (const char *path, struct __stat64_t64 *result)
+{
+ if (__lstat64_time64 (path, result) != 0)
+ FAIL_EXIT1 ("__lstat64_time64 (\"%s\"): %m", path);
+}
+#endif
diff --git a/support/xunistd.h b/support/xunistd.h
index c642588c29..e4ade65c85 100644
--- a/support/xunistd.h
+++ b/support/xunistd.h
@@ -24,6 +24,7 @@
#include <sys/cdefs.h>
#include <sys/types.h>
+#include <sys/stat.h>
#include <unistd.h>
__BEGIN_DECLS
@@ -35,9 +36,21 @@ pid_t xwaitpid (pid_t, int *status, int flags);
void xpipe (int[2]);
void xdup2 (int, int);
int xopen (const char *path, int flags, mode_t);
+#ifndef __USE_TIME_BITS64
+# ifdef __USE_FILE_OFFSET64
+void xstat (const char *path, struct stat *);
+void xlstat (const char *path, struct stat *);
+void xfstat (int fd, struct stat *);
+# else
void xstat (const char *path, struct stat64 *);
void xlstat (const char *path, struct stat64 *);
void xfstat (int fd, struct stat64 *);
+# endif
+#else
+void __REDIRECT (xstat, (const char *path, struct stat *), xstat_time64);
+void __REDIRECT (xlstat, (const char *path, struct stat *), xlstat_time64);
+void __REDIRECT (xfstat, (int fd, struct stat *), xfstat_time64);
+#endif
void xmkdir (const char *path, mode_t);
void xchroot (const char *path);
void xunlink (const char *path);
--
2.30.2
next prev parent reply other threads:[~2021-06-07 20:36 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-07 20:35 [PATCH v3 00/24] Add 64 bit time support on legacy ABIs Adhemerval Zanella
2021-06-07 20:35 ` [PATCH v3 01/24] linux: mips: Split librt.abilist in n32 and n64 Adhemerval Zanella
2021-06-07 20:35 ` [PATCH v3 02/24] linux: mips: Split libanl.abilist " Adhemerval Zanella
2021-06-07 20:35 ` [PATCH v3 03/24] linux: s390: Add libanl.abilist in s390 and s390x Adhemerval Zanella
2021-06-07 20:35 ` [PATCH v3 04/24] linux: Add fallback for 64-bit time_t SO_{RCV, SND}TIMEO Adhemerval Zanella
2021-06-14 14:52 ` [PATCH v3 04/24] linux: Add fallback for 64-bit time_t SO_{RCV,SND}TIMEO Carlos O'Donell
2021-06-07 20:35 ` [PATCH v3 05/24] linux: Add fallback for 64-bit time_t SO_TIMESTAMP{NS} Adhemerval Zanella
2021-06-25 15:20 ` Florian Weimer
2021-06-25 18:11 ` Adhemerval Zanella
2021-06-25 19:16 ` Florian Weimer
2021-06-28 13:36 ` Adhemerval Zanella
2021-06-07 20:35 ` [PATCH v3 06/24] linux: Add recvvmsg " Adhemerval Zanella
2021-06-07 20:35 ` [PATCH v3 07/24] y2038: Add __USE_TIME_BITS64 support for time_t Adhemerval Zanella
2021-06-07 20:35 ` [PATCH v3 08/24] y2038: Add __USE_TIME_BITS64 support for struct timeval Adhemerval Zanella
2021-06-07 20:35 ` [PATCH v3 09/24] y2038: Add __USE_TIME_BITS64 support for struct timespec Adhemerval Zanella
2021-06-07 20:35 ` [PATCH v3 10/24] y2038: Add __USE_TIME_BITS64 support for struct utimbuf Adhemerval Zanella
2021-06-07 20:36 ` [PATCH v3 11/24] y2038: linux: Add __USE_TIME_BITS64 support for struct timex Adhemerval Zanella
2021-06-07 20:36 ` [PATCH v3 12/24] y2038: Use a common definition for stat Adhemerval Zanella
2021-06-14 14:52 ` Carlos O'Donell
2021-06-07 20:36 ` [PATCH v3 13/24] y2038: Use a common definition for msqid_ds Adhemerval Zanella
2021-06-14 14:52 ` Carlos O'Donell
2021-06-07 20:36 ` [PATCH v3 14/24] y2038: Use a common definition for semid_ds Adhemerval Zanella
2021-06-14 14:52 ` Carlos O'Donell
2021-06-07 20:36 ` [PATCH v3 15/24] y2038: Use a common definition for shmid_ds Adhemerval Zanella
2021-06-14 14:59 ` Carlos O'Donell
2021-06-07 20:36 ` [PATCH v3 16/24] y2038: Add __USE_TIME_BITS64 support for socket-constants.h Adhemerval Zanella
2021-06-07 20:36 ` [PATCH v3 17/24] time: Add 64-bit time support for getdate Adhemerval Zanella
2021-06-07 20:36 ` [PATCH v3 18/24] y2038: Add support for 64-bit time on legacy ABIs Adhemerval Zanella
2021-10-13 11:44 ` Stafford Horne
2021-10-13 16:45 ` Paul Eggert
2021-10-13 21:51 ` Stafford Horne
2021-10-13 20:47 ` Joseph Myers
2021-10-13 21:50 ` Stafford Horne
2021-06-07 20:36 ` [PATCH v3 19/24] posix: Add glob64 with 64-bit time_t support Adhemerval Zanella
2021-06-14 14:52 ` Carlos O'Donell
2021-06-07 20:36 ` [PATCH v3 20/24] io: Add fts64 " Adhemerval Zanella
2021-06-07 20:36 ` [PATCH v3 21/24] io: Add ftw64 " Adhemerval Zanella
2021-06-07 20:36 ` [PATCH v3 22/24] libsupport: Add 64-bit time_t support for time functions Adhemerval Zanella
2021-06-14 14:52 ` Carlos O'Donell
2021-06-07 20:36 ` Adhemerval Zanella [this message]
2021-06-07 20:36 ` [PATCH v3 24/24] y2038: Add test coverage Adhemerval Zanella
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