From 90e1600f4f9e3a3dcbf0a91e23098b052c975a9d Mon Sep 17 00:00:00 2001
From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed, 15 Jul 2020 12:42:32 +0000
Subject: [PATCH] linux: Always define STAT_IS_KERNEL_STAT

It allows to check for its value instead of its existence.

Checked with a build for all affected ABIS.

Reviewed-by: Lukasz Majewski <lukma@denx.de>
---
 sysdeps/unix/sysv/linux/alpha/kernel_stat.h             | 1 +
 sysdeps/unix/sysv/linux/fxstat.c                        | 2 +-
 sysdeps/unix/sysv/linux/fxstatat.c                      | 4 ++--
 sysdeps/unix/sysv/linux/hppa/kernel_stat.h              | 1 +
 sysdeps/unix/sysv/linux/kernel_stat.h                   | 1 +
 sysdeps/unix/sysv/linux/lxstat.c                        | 2 +-
 sysdeps/unix/sysv/linux/microblaze/kernel_stat.h        | 1 +
 sysdeps/unix/sysv/linux/mips/kernel_stat.h              | 1 +
 sysdeps/unix/sysv/linux/powerpc/powerpc32/kernel_stat.h | 1 +
 sysdeps/unix/sysv/linux/sparc/sparc32/kernel_stat.h     | 1 +
 sysdeps/unix/sysv/linux/sparc/sparc64/kernel_stat.h     | 1 +
 sysdeps/unix/sysv/linux/xstat.c                         | 2 +-
 sysdeps/unix/sysv/linux/xstatconv.c                     | 2 +-
 sysdeps/unix/sysv/linux/xstatconv.h                     | 2 +-
 14 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/sysdeps/unix/sysv/linux/alpha/kernel_stat.h b/sysdeps/unix/sysv/linux/alpha/kernel_stat.h
index d637e099cf..9bcc96c577 100644
--- a/sysdeps/unix/sysv/linux/alpha/kernel_stat.h
+++ b/sysdeps/unix/sysv/linux/alpha/kernel_stat.h
@@ -85,5 +85,6 @@ struct glibc21_stat
     long __glibc_reserved[4];
   };
 
+#define STAT_IS_KERNEL_STAT 0
 #define XSTAT_IS_XSTAT64 1
 #define STATFS_IS_STATFS64 0
diff --git a/sysdeps/unix/sysv/linux/fxstat.c b/sysdeps/unix/sysv/linux/fxstat.c
index ce474dcd47..a88404b5c3 100644
--- a/sysdeps/unix/sysv/linux/fxstat.c
+++ b/sysdeps/unix/sysv/linux/fxstat.c
@@ -38,7 +38,7 @@ __fxstat (int vers, int fd, struct stat *buf)
   if (vers == _STAT_VER_KERNEL)
     return INLINE_SYSCALL (fstat, 2, fd, buf);
 
-#ifdef STAT_IS_KERNEL_STAT
+#if STAT_IS_KERNEL_STAT
   return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
 #else
   struct kernel_stat kbuf;
diff --git a/sysdeps/unix/sysv/linux/fxstatat.c b/sysdeps/unix/sysv/linux/fxstatat.c
index 3eb898e322..937fec45c2 100644
--- a/sysdeps/unix/sysv/linux/fxstatat.c
+++ b/sysdeps/unix/sysv/linux/fxstatat.c
@@ -37,7 +37,7 @@ int
 __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
 {
   int result;
-#ifdef STAT_IS_KERNEL_STAT
+#if STAT_IS_KERNEL_STAT
 # define kst (*st)
 #else
   struct kernel_stat kst;
@@ -46,7 +46,7 @@ __fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
   result = INTERNAL_SYSCALL_CALL (newfstatat, fd, file, &kst, flag);
   if (!__glibc_likely (INTERNAL_SYSCALL_ERROR_P (result)))
     {
-#ifdef STAT_IS_KERNEL_STAT
+#if STAT_IS_KERNEL_STAT
       return 0;
 #else
       return __xstat_conv (vers, &kst, st);
diff --git a/sysdeps/unix/sysv/linux/hppa/kernel_stat.h b/sysdeps/unix/sysv/linux/hppa/kernel_stat.h
index a3ac53a1ef..0cbd010fc3 100644
--- a/sysdeps/unix/sysv/linux/hppa/kernel_stat.h
+++ b/sysdeps/unix/sysv/linux/hppa/kernel_stat.h
@@ -30,5 +30,6 @@ struct kernel_stat {
 #define _HAVE_STAT_NSEC
 #define _HAVE_STAT64_NSEC
 
+#define STAT_IS_KERNEL_STAT 0
 #define XSTAT_IS_XSTAT64 0
 #define STATFS_IS_STATFS64 0
diff --git a/sysdeps/unix/sysv/linux/kernel_stat.h b/sysdeps/unix/sysv/linux/kernel_stat.h
index eecc962de3..ff54a4524c 100644
--- a/sysdeps/unix/sysv/linux/kernel_stat.h
+++ b/sysdeps/unix/sysv/linux/kernel_stat.h
@@ -34,5 +34,6 @@ struct kernel_stat
 #define _HAVE_STAT64___ST_INO
 #define _HAVE_STAT64_NSEC
 
+#define STAT_IS_KERNEL_STAT 0
 #define XSTAT_IS_XSTAT64 0
 #define STATFS_IS_STATFS64 0
diff --git a/sysdeps/unix/sysv/linux/lxstat.c b/sysdeps/unix/sysv/linux/lxstat.c
index e0cfc4f1fa..dcd685873d 100644
--- a/sysdeps/unix/sysv/linux/lxstat.c
+++ b/sysdeps/unix/sysv/linux/lxstat.c
@@ -37,7 +37,7 @@ __lxstat (int vers, const char *name, struct stat *buf)
   if (vers == _STAT_VER_KERNEL)
     return INLINE_SYSCALL (lstat, 2, name, buf);
 
-#ifdef STAT_IS_KERNEL_STAT
+#if STAT_IS_KERNEL_STAT
   return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
 #else
   struct kernel_stat kbuf;
diff --git a/sysdeps/unix/sysv/linux/microblaze/kernel_stat.h b/sysdeps/unix/sysv/linux/microblaze/kernel_stat.h
index 765e0dca67..4daaedc4b6 100644
--- a/sysdeps/unix/sysv/linux/microblaze/kernel_stat.h
+++ b/sysdeps/unix/sysv/linux/microblaze/kernel_stat.h
@@ -48,5 +48,6 @@ struct kernel_stat
 #define _HAVE_STAT64___UNUSED5
 };
 
+#define STAT_IS_KERNEL_STAT 0
 #define XSTAT_IS_XSTAT64 0
 #define STATFS_IS_STATFS64 0
diff --git a/sysdeps/unix/sysv/linux/mips/kernel_stat.h b/sysdeps/unix/sysv/linux/mips/kernel_stat.h
index 388df1bfff..e75f3e805b 100644
--- a/sysdeps/unix/sysv/linux/mips/kernel_stat.h
+++ b/sysdeps/unix/sysv/linux/mips/kernel_stat.h
@@ -56,5 +56,6 @@ struct kernel_stat
   };
 #endif
 
+#define STAT_IS_KERNEL_STAT 0
 #define XSTAT_IS_XSTAT64 0
 #define STATFS_IS_STATFS64 0
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/kernel_stat.h b/sysdeps/unix/sysv/linux/powerpc/powerpc32/kernel_stat.h
index c5948a4d3c..75610b8df3 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/kernel_stat.h
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/kernel_stat.h
@@ -47,5 +47,6 @@ struct kernel_stat
 #define _HAVE_STAT64___PAD2
 #define _HAVE_STAT64_NSEC
 
+#define STAT_IS_KERNEL_STAT 0
 #define XSTAT_IS_XSTAT64 0
 #define STATFS_IS_STATFS64 0
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/kernel_stat.h b/sysdeps/unix/sysv/linux/sparc/sparc32/kernel_stat.h
index a4416009f1..5c8cacaf67 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/kernel_stat.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/kernel_stat.h
@@ -31,5 +31,6 @@ struct kernel_stat
 #define _HAVE_STAT_NSEC
 #define _HAVE_STAT64_NSEC
 
+#define STAT_IS_KERNEL_STAT 0
 #define XSTAT_IS_XSTAT64 0
 #define STATFS_IS_STATFS64 0
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/kernel_stat.h b/sysdeps/unix/sysv/linux/sparc/sparc64/kernel_stat.h
index 30afb553b9..d14b2487ac 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/kernel_stat.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/kernel_stat.h
@@ -44,5 +44,6 @@ struct kernel_stat64
     long int __glibc_reserved[3];
   };
 
+#define STAT_IS_KERNEL_STAT 0
 #define XSTAT_IS_XSTAT64 1
 #define STATFS_IS_STATFS64 0
diff --git a/sysdeps/unix/sysv/linux/xstat.c b/sysdeps/unix/sysv/linux/xstat.c
index a93d635611..76c90e20c7 100644
--- a/sysdeps/unix/sysv/linux/xstat.c
+++ b/sysdeps/unix/sysv/linux/xstat.c
@@ -37,7 +37,7 @@ __xstat (int vers, const char *name, struct stat *buf)
   if (vers == _STAT_VER_KERNEL)
     return INLINE_SYSCALL (stat, 2, name, buf);
 
-#ifdef STAT_IS_KERNEL_STAT
+#if STAT_IS_KERNEL_STAT
   return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
 #else
   struct kernel_stat kbuf;
diff --git a/sysdeps/unix/sysv/linux/xstatconv.c b/sysdeps/unix/sysv/linux/xstatconv.c
index c01fb00a3a..3622a82cd0 100644
--- a/sysdeps/unix/sysv/linux/xstatconv.c
+++ b/sysdeps/unix/sysv/linux/xstatconv.c
@@ -20,7 +20,7 @@
 #include <sys/stat.h>
 #include <kernel_stat.h>
 
-#ifdef STAT_IS_KERNEL_STAT
+#if STAT_IS_KERNEL_STAT
 
 /* Dummy.  */
 struct kernel_stat;
diff --git a/sysdeps/unix/sysv/linux/xstatconv.h b/sysdeps/unix/sysv/linux/xstatconv.h
index 39102c9469..5319236cae 100644
--- a/sysdeps/unix/sysv/linux/xstatconv.h
+++ b/sysdeps/unix/sysv/linux/xstatconv.h
@@ -16,7 +16,7 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#ifndef STAT_IS_KERNEL_STAT
+#if !STAT_IS_KERNEL_STAT
 extern int __xstat_conv (int vers, struct kernel_stat *kbuf, void *ubuf)
   attribute_hidden;
 extern int __xstat64_conv (int vers, struct kernel_stat *kbuf, void *ubuf)
-- 
2.43.5