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authorLukasz Majewski <lukma@denx.de>2020-02-16 23:42:14 +0100
committerLukasz Majewski <lukma@denx.de>2020-03-09 10:26:46 +0100
commit8b8f39376be81dc09560d23dbec59cd7080d54f6 (patch)
tree8eec5018f2174f223ab8c0981f21f0184212fc82 /sysdeps
parent1a5e12826c02bce330be3f3592c5405314495d66 (diff)
downloadglibc-8b8f39376be81dc09560d23dbec59cd7080d54f6.tar.gz
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y2038: linux: Provide __futimesat64 implementation
This conversion patch for supporting 64 bit time for futimesat only differs
from the work performed for futimes (when providing __futimes64) with passing
also the file name (and path) to utimensat.

All the design and conversion decisions are exactly the same as for futimens
conversion.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/linux/futimesat.c41
1 files changed, 28 insertions, 13 deletions
diff --git a/sysdeps/unix/sysv/linux/futimesat.c b/sysdeps/unix/sysv/linux/futimesat.c
index 6388a269df..f686c58fa9 100644
--- a/sysdeps/unix/sysv/linux/futimesat.c
+++ b/sysdeps/unix/sysv/linux/futimesat.c
@@ -17,23 +17,38 @@
    <https://www.gnu.org/licenses/>.  */
 
 #include <errno.h>
-#include <fcntl.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <string.h>
-#include <utime.h>
-#include <sys/time.h>
-#include <sysdep.h>
-
+#include <time.h>
 
 /* Change the access time of FILE relative to FD to TVP[0] and
    the modification time of FILE to TVP[1].  */
 int
-futimesat (int fd, const char *file, const struct timeval tvp[2])
+__futimesat64 (int fd, const char *file, const struct __timeval64 tvp64[2])
+{
+  struct __timespec64 ts64[2];
+  if (tvp64 != NULL)
+    {
+      ts64[0] = timeval64_to_timespec64 (tvp64[0]);
+      ts64[1] = timeval64_to_timespec64 (tvp64[1]);
+    }
+
+  return __utimensat64_helper (fd, file, tvp64 ? &ts64[0] : NULL, 0);
+}
+
+#if __TIMESIZE != 64
+libc_hidden_def (__futimesat64)
+
+int
+__futimesat (int fd, const char *file, const struct timeval tvp[2])
 {
-  if (file == NULL)
-    return __futimes (fd, tvp);
+  struct __timeval64 tv64[2];
+
+  if (tvp != NULL)
+    {
+      tv64[0] = valid_timeval_to_timeval64 (tvp[0]);
+      tv64[1] = valid_timeval_to_timeval64 (tvp[1]);
+    }
 
-  /* Avoid implicit array coercion in syscall macros.  */
-  return INLINE_SYSCALL (futimesat, 3, fd, file, &tvp[0]);
+  return __futimesat64 (fd, file, tvp ? &tv64[0] : NULL);
 }
+#endif
+weak_alias (__futimesat, futimesat)