glibc/glibc-RHEL-2338-1.patch

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commit c3b023a7822185c9176cfb96eeca4ada3d662c4b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Nov 24 12:57:57 2021 -0300
linux: Only build fstatat fallback if required
For 32-bit architecture with __ASSUME_STATX there is no need to
build fstatat64_time64_stat.
Checked on i686-linux-gnu.
diff --git a/sysdeps/unix/sysv/linux/fstatat64.c b/sysdeps/unix/sysv/linux/fstatat64.c
index f968e4ef0594852e..50ae5ad74832efe1 100644
--- a/sysdeps/unix/sysv/linux/fstatat64.c
+++ b/sysdeps/unix/sysv/linux/fstatat64.c
@@ -74,6 +74,17 @@ fstatat64_time64_statx (int fd, const char *file, struct __stat64_t64 *buf,
return r;
}
+#if (__WORDSIZE == 32 \
+ && (!defined __SYSCALL_WORDSIZE || __SYSCALL_WORDSIZE == 32)) \
+ || defined STAT_HAS_TIME32
+# define FSTATAT_USE_STATX 1
+#else
+# define FSTATAT_USE_STATX 0
+#endif
+
+/* Only statx supports 64-bit timestamps for 32-bit architectures with
+ __ASSUME_STATX, so there is no point in building the fallback. */
+#if !FSTATAT_USE_STATX || (FSTATAT_USE_STATX && !defined __ASSUME_STATX)
static inline int
fstatat64_time64_stat (int fd, const char *file, struct __stat64_t64 *buf,
int flag)
@@ -134,13 +145,6 @@ fstatat64_time64_stat (int fd, const char *file, struct __stat64_t64 *buf,
return r;
}
-
-#if (__WORDSIZE == 32 \
- && (!defined __SYSCALL_WORDSIZE || __SYSCALL_WORDSIZE == 32)) \
- || defined STAT_HAS_TIME32
-# define FSTATAT_USE_STATX 1
-#else
-# define FSTATAT_USE_STATX 0
#endif
int