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-rw-r--r--sysdeps/arc/utmp-size.h3
-rw-r--r--sysdeps/arm/bits/wordsize.h21
-rw-r--r--sysdeps/arm/utmp-size.h2
-rw-r--r--sysdeps/csky/bits/wordsize.h21
-rw-r--r--sysdeps/csky/utmp-size.h2
-rw-r--r--sysdeps/generic/utmp-size.h23
-rw-r--r--sysdeps/hppa/utmp-size.h2
-rw-r--r--sysdeps/m68k/bits/wordsize.h21
-rw-r--r--sysdeps/m68k/utmp-size.h3
-rw-r--r--sysdeps/microblaze/bits/wordsize.h21
-rw-r--r--sysdeps/microblaze/utmp-size.h2
-rw-r--r--sysdeps/mips/bits/wordsize.h6
-rw-r--r--sysdeps/mips/utmp-size.h2
-rw-r--r--sysdeps/nios2/bits/wordsize.h21
-rw-r--r--sysdeps/nios2/utmp-size.h2
-rw-r--r--sysdeps/powerpc/powerpc32/bits/wordsize.h3
-rw-r--r--sysdeps/powerpc/powerpc64/bits/wordsize.h3
-rw-r--r--sysdeps/powerpc/utmp-size.h2
-rw-r--r--sysdeps/riscv/utmp-size.h2
-rw-r--r--sysdeps/sh/bits/wordsize.h21
-rw-r--r--sysdeps/sh/utmp-size.h2
-rw-r--r--sysdeps/sparc/sparc32/bits/wordsize.h13
-rw-r--r--sysdeps/sparc/sparc64/bits/wordsize.h3
-rw-r--r--sysdeps/sparc/utmp-size.h2
-rw-r--r--sysdeps/unix/sysv/linux/hppa/bits/wordsize.h21
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h3
-rw-r--r--sysdeps/unix/sysv/linux/sparc/bits/wordsize.h3
-rw-r--r--sysdeps/x86/bits/wordsize.h5
-rw-r--r--sysdeps/x86/utmp-size.h2
29 files changed, 210 insertions, 27 deletions
diff --git a/sysdeps/arc/utmp-size.h b/sysdeps/arc/utmp-size.h
new file mode 100644
index 0000000000..a247fcd3da
--- /dev/null
+++ b/sysdeps/arc/utmp-size.h
@@ -0,0 +1,3 @@
+/* arc has less padding than other architectures with 64-bit time_t.  */
+#define UTMP_SIZE 392
+#define LASTLOG_SIZE 296
diff --git a/sysdeps/arm/bits/wordsize.h b/sysdeps/arm/bits/wordsize.h
new file mode 100644
index 0000000000..6ecbfe7c86
--- /dev/null
+++ b/sysdeps/arm/bits/wordsize.h
@@ -0,0 +1,21 @@
+/* Copyright (C) 1999-2024 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/>.  */
+
+#define __WORDSIZE			32
+#define __WORDSIZE_TIME64_COMPAT32	1
+#define __WORDSIZE32_SIZE_ULONG		0
+#define __WORDSIZE32_PTRDIFF_LONG	0
diff --git a/sysdeps/arm/utmp-size.h b/sysdeps/arm/utmp-size.h
new file mode 100644
index 0000000000..8f21ebe1b6
--- /dev/null
+++ b/sysdeps/arm/utmp-size.h
@@ -0,0 +1,2 @@
+#define UTMP_SIZE 384
+#define LASTLOG_SIZE 292
diff --git a/sysdeps/csky/bits/wordsize.h b/sysdeps/csky/bits/wordsize.h
new file mode 100644
index 0000000000..6ecbfe7c86
--- /dev/null
+++ b/sysdeps/csky/bits/wordsize.h
@@ -0,0 +1,21 @@
+/* Copyright (C) 1999-2024 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/>.  */
+
+#define __WORDSIZE			32
+#define __WORDSIZE_TIME64_COMPAT32	1
+#define __WORDSIZE32_SIZE_ULONG		0
+#define __WORDSIZE32_PTRDIFF_LONG	0
diff --git a/sysdeps/csky/utmp-size.h b/sysdeps/csky/utmp-size.h
new file mode 100644
index 0000000000..8f21ebe1b6
--- /dev/null
+++ b/sysdeps/csky/utmp-size.h
@@ -0,0 +1,2 @@
+#define UTMP_SIZE 384
+#define LASTLOG_SIZE 292
diff --git a/sysdeps/generic/utmp-size.h b/sysdeps/generic/utmp-size.h
new file mode 100644
index 0000000000..89dbe878b0
--- /dev/null
+++ b/sysdeps/generic/utmp-size.h
@@ -0,0 +1,23 @@
+/* Expected sizes of utmp-related structures stored in files.  64-bit version.
+   Copyright (C) 2024 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/>.  */
+
+/* Expected size, in bytes, of struct utmp and struct utmpx.  */
+#define UTMP_SIZE 400
+
+/* Expected size, in bytes, of struct lastlog.  */
+#define LASTLOG_SIZE 296
diff --git a/sysdeps/hppa/utmp-size.h b/sysdeps/hppa/utmp-size.h
new file mode 100644
index 0000000000..8f21ebe1b6
--- /dev/null
+++ b/sysdeps/hppa/utmp-size.h
@@ -0,0 +1,2 @@
+#define UTMP_SIZE 384
+#define LASTLOG_SIZE 292
diff --git a/sysdeps/m68k/bits/wordsize.h b/sysdeps/m68k/bits/wordsize.h
new file mode 100644
index 0000000000..6ecbfe7c86
--- /dev/null
+++ b/sysdeps/m68k/bits/wordsize.h
@@ -0,0 +1,21 @@
+/* Copyright (C) 1999-2024 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/>.  */
+
+#define __WORDSIZE			32
+#define __WORDSIZE_TIME64_COMPAT32	1
+#define __WORDSIZE32_SIZE_ULONG		0
+#define __WORDSIZE32_PTRDIFF_LONG	0
diff --git a/sysdeps/m68k/utmp-size.h b/sysdeps/m68k/utmp-size.h
new file mode 100644
index 0000000000..5946685819
--- /dev/null
+++ b/sysdeps/m68k/utmp-size.h
@@ -0,0 +1,3 @@
+/* m68k has 2-byte alignment.  */
+#define UTMP_SIZE 382
+#define LASTLOG_SIZE 292
diff --git a/sysdeps/microblaze/bits/wordsize.h b/sysdeps/microblaze/bits/wordsize.h
new file mode 100644
index 0000000000..6ecbfe7c86
--- /dev/null
+++ b/sysdeps/microblaze/bits/wordsize.h
@@ -0,0 +1,21 @@
+/* Copyright (C) 1999-2024 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/>.  */
+
+#define __WORDSIZE			32
+#define __WORDSIZE_TIME64_COMPAT32	1
+#define __WORDSIZE32_SIZE_ULONG		0
+#define __WORDSIZE32_PTRDIFF_LONG	0
diff --git a/sysdeps/microblaze/utmp-size.h b/sysdeps/microblaze/utmp-size.h
new file mode 100644
index 0000000000..8f21ebe1b6
--- /dev/null
+++ b/sysdeps/microblaze/utmp-size.h
@@ -0,0 +1,2 @@
+#define UTMP_SIZE 384
+#define LASTLOG_SIZE 292
diff --git a/sysdeps/mips/bits/wordsize.h b/sysdeps/mips/bits/wordsize.h
index 18ef16c639..7696f568ac 100644
--- a/sysdeps/mips/bits/wordsize.h
+++ b/sysdeps/mips/bits/wordsize.h
@@ -19,11 +19,7 @@
 
 #define __WORDSIZE			_MIPS_SZPTR
 
-#if _MIPS_SIM == _ABI64
-# define __WORDSIZE_TIME64_COMPAT32	1
-#else
-# define __WORDSIZE_TIME64_COMPAT32	0
-#endif
+#define __WORDSIZE_TIME64_COMPAT32	1
 
 #if __WORDSIZE == 32
 #define __WORDSIZE32_SIZE_ULONG		0
diff --git a/sysdeps/mips/utmp-size.h b/sysdeps/mips/utmp-size.h
new file mode 100644
index 0000000000..8f21ebe1b6
--- /dev/null
+++ b/sysdeps/mips/utmp-size.h
@@ -0,0 +1,2 @@
+#define UTMP_SIZE 384
+#define LASTLOG_SIZE 292
diff --git a/sysdeps/nios2/bits/wordsize.h b/sysdeps/nios2/bits/wordsize.h
new file mode 100644
index 0000000000..6ecbfe7c86
--- /dev/null
+++ b/sysdeps/nios2/bits/wordsize.h
@@ -0,0 +1,21 @@
+/* Copyright (C) 1999-2024 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/>.  */
+
+#define __WORDSIZE			32
+#define __WORDSIZE_TIME64_COMPAT32	1
+#define __WORDSIZE32_SIZE_ULONG		0
+#define __WORDSIZE32_PTRDIFF_LONG	0
diff --git a/sysdeps/nios2/utmp-size.h b/sysdeps/nios2/utmp-size.h
new file mode 100644
index 0000000000..8f21ebe1b6
--- /dev/null
+++ b/sysdeps/nios2/utmp-size.h
@@ -0,0 +1,2 @@
+#define UTMP_SIZE 384
+#define LASTLOG_SIZE 292
diff --git a/sysdeps/powerpc/powerpc32/bits/wordsize.h b/sysdeps/powerpc/powerpc32/bits/wordsize.h
index 04ca9debf0..6993fb6b29 100644
--- a/sysdeps/powerpc/powerpc32/bits/wordsize.h
+++ b/sysdeps/powerpc/powerpc32/bits/wordsize.h
@@ -2,10 +2,9 @@
 
 #if defined __powerpc64__
 # define __WORDSIZE	64
-# define __WORDSIZE_TIME64_COMPAT32	1
 #else
 # define __WORDSIZE	32
-# define __WORDSIZE_TIME64_COMPAT32	0
 # define __WORDSIZE32_SIZE_ULONG	0
 # define __WORDSIZE32_PTRDIFF_LONG	0
 #endif
+#define __WORDSIZE_TIME64_COMPAT32	1
diff --git a/sysdeps/powerpc/powerpc64/bits/wordsize.h b/sysdeps/powerpc/powerpc64/bits/wordsize.h
index 04ca9debf0..6993fb6b29 100644
--- a/sysdeps/powerpc/powerpc64/bits/wordsize.h
+++ b/sysdeps/powerpc/powerpc64/bits/wordsize.h
@@ -2,10 +2,9 @@
 
 #if defined __powerpc64__
 # define __WORDSIZE	64
-# define __WORDSIZE_TIME64_COMPAT32	1
 #else
 # define __WORDSIZE	32
-# define __WORDSIZE_TIME64_COMPAT32	0
 # define __WORDSIZE32_SIZE_ULONG	0
 # define __WORDSIZE32_PTRDIFF_LONG	0
 #endif
+#define __WORDSIZE_TIME64_COMPAT32	1
diff --git a/sysdeps/powerpc/utmp-size.h b/sysdeps/powerpc/utmp-size.h
new file mode 100644
index 0000000000..8f21ebe1b6
--- /dev/null
+++ b/sysdeps/powerpc/utmp-size.h
@@ -0,0 +1,2 @@
+#define UTMP_SIZE 384
+#define LASTLOG_SIZE 292
diff --git a/sysdeps/riscv/utmp-size.h b/sysdeps/riscv/utmp-size.h
new file mode 100644
index 0000000000..8f21ebe1b6
--- /dev/null
+++ b/sysdeps/riscv/utmp-size.h
@@ -0,0 +1,2 @@
+#define UTMP_SIZE 384
+#define LASTLOG_SIZE 292
diff --git a/sysdeps/sh/bits/wordsize.h b/sysdeps/sh/bits/wordsize.h
new file mode 100644
index 0000000000..6ecbfe7c86
--- /dev/null
+++ b/sysdeps/sh/bits/wordsize.h
@@ -0,0 +1,21 @@
+/* Copyright (C) 1999-2024 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/>.  */
+
+#define __WORDSIZE			32
+#define __WORDSIZE_TIME64_COMPAT32	1
+#define __WORDSIZE32_SIZE_ULONG		0
+#define __WORDSIZE32_PTRDIFF_LONG	0
diff --git a/sysdeps/sh/utmp-size.h b/sysdeps/sh/utmp-size.h
new file mode 100644
index 0000000000..8f21ebe1b6
--- /dev/null
+++ b/sysdeps/sh/utmp-size.h
@@ -0,0 +1,2 @@
+#define UTMP_SIZE 384
+#define LASTLOG_SIZE 292
diff --git a/sysdeps/sparc/sparc32/bits/wordsize.h b/sysdeps/sparc/sparc32/bits/wordsize.h
index 2f66f10d72..a2e79e0fa9 100644
--- a/sysdeps/sparc/sparc32/bits/wordsize.h
+++ b/sysdeps/sparc/sparc32/bits/wordsize.h
@@ -1,11 +1,6 @@
 /* Determine the wordsize from the preprocessor defines.  */
 
-#if defined __arch64__ || defined __sparcv9
-# define __WORDSIZE	64
-# define __WORDSIZE_TIME64_COMPAT32	1
-#else
-# define __WORDSIZE	32
-# define __WORDSIZE_TIME64_COMPAT32	0
-# define __WORDSIZE32_SIZE_ULONG	0
-# define __WORDSIZE32_PTRDIFF_LONG	0
-#endif
+#define __WORDSIZE	32
+#define __WORDSIZE_TIME64_COMPAT32	1
+#define __WORDSIZE32_SIZE_ULONG	0
+#define __WORDSIZE32_PTRDIFF_LONG	0
diff --git a/sysdeps/sparc/sparc64/bits/wordsize.h b/sysdeps/sparc/sparc64/bits/wordsize.h
index 2f66f10d72..ea103e5970 100644
--- a/sysdeps/sparc/sparc64/bits/wordsize.h
+++ b/sysdeps/sparc/sparc64/bits/wordsize.h
@@ -2,10 +2,9 @@
 
 #if defined __arch64__ || defined __sparcv9
 # define __WORDSIZE	64
-# define __WORDSIZE_TIME64_COMPAT32	1
 #else
 # define __WORDSIZE	32
-# define __WORDSIZE_TIME64_COMPAT32	0
 # define __WORDSIZE32_SIZE_ULONG	0
 # define __WORDSIZE32_PTRDIFF_LONG	0
 #endif
+#define __WORDSIZE_TIME64_COMPAT32	1
diff --git a/sysdeps/sparc/utmp-size.h b/sysdeps/sparc/utmp-size.h
new file mode 100644
index 0000000000..8f21ebe1b6
--- /dev/null
+++ b/sysdeps/sparc/utmp-size.h
@@ -0,0 +1,2 @@
+#define UTMP_SIZE 384
+#define LASTLOG_SIZE 292
diff --git a/sysdeps/unix/sysv/linux/hppa/bits/wordsize.h b/sysdeps/unix/sysv/linux/hppa/bits/wordsize.h
new file mode 100644
index 0000000000..6ecbfe7c86
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/hppa/bits/wordsize.h
@@ -0,0 +1,21 @@
+/* Copyright (C) 1999-2024 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/>.  */
+
+#define __WORDSIZE			32
+#define __WORDSIZE_TIME64_COMPAT32	1
+#define __WORDSIZE32_SIZE_ULONG		0
+#define __WORDSIZE32_PTRDIFF_LONG	0
diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h b/sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h
index 04ca9debf0..6993fb6b29 100644
--- a/sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h
+++ b/sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h
@@ -2,10 +2,9 @@
 
 #if defined __powerpc64__
 # define __WORDSIZE	64
-# define __WORDSIZE_TIME64_COMPAT32	1
 #else
 # define __WORDSIZE	32
-# define __WORDSIZE_TIME64_COMPAT32	0
 # define __WORDSIZE32_SIZE_ULONG	0
 # define __WORDSIZE32_PTRDIFF_LONG	0
 #endif
+#define __WORDSIZE_TIME64_COMPAT32	1
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/wordsize.h b/sysdeps/unix/sysv/linux/sparc/bits/wordsize.h
index 7562875ee2..ea103e5970 100644
--- a/sysdeps/unix/sysv/linux/sparc/bits/wordsize.h
+++ b/sysdeps/unix/sysv/linux/sparc/bits/wordsize.h
@@ -2,10 +2,9 @@
 
 #if defined __arch64__ || defined __sparcv9
 # define __WORDSIZE	64
-# define __WORDSIZE_TIME64_COMPAT32	1
 #else
 # define __WORDSIZE	32
 # define __WORDSIZE32_SIZE_ULONG	0
 # define __WORDSIZE32_PTRDIFF_LONG	0
-# define __WORDSIZE_TIME64_COMPAT32	0
 #endif
+#define __WORDSIZE_TIME64_COMPAT32	1
diff --git a/sysdeps/x86/bits/wordsize.h b/sysdeps/x86/bits/wordsize.h
index 70f652bca1..3f40aa76f9 100644
--- a/sysdeps/x86/bits/wordsize.h
+++ b/sysdeps/x86/bits/wordsize.h
@@ -8,10 +8,9 @@
 #define __WORDSIZE32_PTRDIFF_LONG	0
 #endif
 
+#define __WORDSIZE_TIME64_COMPAT32 1
+
 #ifdef __x86_64__
-# define __WORDSIZE_TIME64_COMPAT32	1
 /* Both x86-64 and x32 use the 64-bit system call interface.  */
 # define __SYSCALL_WORDSIZE		64
-#else
-# define __WORDSIZE_TIME64_COMPAT32	0
 #endif
diff --git a/sysdeps/x86/utmp-size.h b/sysdeps/x86/utmp-size.h
new file mode 100644
index 0000000000..8f21ebe1b6
--- /dev/null
+++ b/sysdeps/x86/utmp-size.h
@@ -0,0 +1,2 @@
+#define UTMP_SIZE 384
+#define LASTLOG_SIZE 292