Y2038: add function __lutimes64

diff --git a/misc/lutimes.c b/misc/lutimes.c
index b241c14c569113738da41748107ca63671e3eb2b..e4368999e14894df9a2f4b28035c46d4e51e42e5 100644 (file)
--- a/misc/lutimes.c
+++ b/misc/lutimes.c
@@ -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)

diff --git a/sysdeps/unix/sysv/linux/lutimes.c b/sysdeps/unix/sysv/linux/lutimes.c
index 4f2f9ec7d66215010ac5b8c9c38861241bd6b283..e76b9dd7a6a67d77a6804e7885376b7a6fd4a560 100644 (file)
--- a/sysdeps/unix/sysv/linux/lutimes.c
+++ b/sysdeps/unix/sysv/linux/lutimes.c
@@ -22,6 +22,7 @@
 #include <time.h>
 #include <sys/time.h>
 #include <sysdep.h>
+#include <y2038-support.h>
 
 
 int
@@ -42,3 +43,60 @@ 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 */
+
+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_utimensat_time64
+  /* 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_utimensat_time64
+  if (__y2038_linux_support > 0)
+    {
+      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 (utimensat_time64, 4, AT_FDCWD, file, ts64p,
+                            AT_SYMLINK_NOFOLLOW);
+      if (result == 0 || errno == ENOSYS)
+        return result;
+      __y2038_linux_support = -1;
+    }
+#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);
+}

diff --git a/time/Versions b/time/Versions
index 0a55284d11ca75153714dfe9bac9dc8c24364684..f22ce385ec7288971028696c1eacc40979d6adf4 100644 (file)
--- a/time/Versions
+++ b/time/Versions
@@ -79,5 +79,6 @@ libc {
     __futimens64;
     __sigtimedwait_time64;
     __futimes64;
+    __lutimes64;
   }
 }