[[PATCH,RFC,2] 25/63] Y2038: add function __lutimes64
Commit Message
---
misc/lutimes.c | 8 ++++++
sysdeps/unix/sysv/linux/lutimes.c | 58 +++++++++++++++++++++++++++++++++++++++
time/Versions | 1 +
3 files changed, 67 insertions(+)
@@ -31,3 +31,11 @@ __lutimes (const char *file, const struct timeval tvp[2])
weak_alias (__lutimes, lutimes)
stub_warning (lutimes)
+
+int
+__lutimes64 (const char *file, const struct __timeval64 tvp[2])
+{
+ __set_errno (ENOSYS);
+ return -1;
+}
+stub_warning (__lutimes64)
@@ -42,3 +42,61 @@ lutimes (const char *file, const struct timeval tvp[2])
return INLINE_SYSCALL (utimensat, 4, AT_FDCWD, file, tvp ? ts : NULL,
AT_SYMLINK_NOFOLLOW);
}
+
+/* 64-bit time version */
+
+extern int __y2038_linux_support;
+
+int
+__lutimes64 (const char *file, const struct __timeval64 tvp[2])
+{
+ struct timespec ts32[2], *ts32p = NULL;;
+/* Only try and use this syscall if defined by kernel */
+#ifdef __NR_utimensat64
+ /* The system call expects timespec, not timeval. */
+ struct __timespec64 ts64[2], *ts64p = NULL;
+ int result;
+#endif
+
+/* Only try and use this syscall if defined by kernel */
+#ifdef __NR_utimensat64
+ if (__y2038_linux_support)
+ {
+ if (tvp != NULL)
+ {
+ if (tvp[0].tv_usec < 0 || tvp[0].tv_usec >= 1000000
+ || tvp[1].tv_usec < 0 || tvp[1].tv_usec >= 1000000)
+ return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
+
+ ts64[0].tv_sec = tvp[0].tv_sec;
+ ts64[0].tv_nsec = tvp[0].tv_usec * 1000;
+ ts64[0].tv_pad = 0;
+ ts64[1].tv_sec = tvp[1].tv_sec;
+ ts64[1].tv_nsec = tvp[1].tv_usec * 1000;
+ ts64[1].tv_pad = 0;
+ ts64p = ts64;
+ }
+
+ result = INLINE_SYSCALL (utimensat64, 4, AT_FDCWD, file, ts64p,
+ AT_SYMLINK_NOFOLLOW);
+ if (result == 0 || errno == ENOSYS)
+ return result;
+ }
+#endif
+
+ if (tvp != NULL)
+ {
+ if (tvp[0].tv_usec < 0 || tvp[0].tv_usec >= 1000000
+ || tvp[1].tv_usec < 0 || tvp[1].tv_usec >= 1000000)
+ return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
+
+ ts32[0].tv_sec = tvp[0].tv_sec;
+ ts32[0].tv_nsec = tvp[0].tv_usec * 1000;
+ ts32[1].tv_sec = tvp[1].tv_sec;
+ ts32[1].tv_nsec = tvp[1].tv_usec * 1000;
+ ts32p = ts32;
+ }
+
+ return INLINE_SYSCALL (utimensat, 4, AT_FDCWD, file, ts32p,
+ AT_SYMLINK_NOFOLLOW);
+}
@@ -83,5 +83,6 @@ libc {
__utimensat64;
__sigtimedwait64;
__futimes64;
+ __lutimes64;
}
}