support: use 64-bit time_t (bug 30111)

Ensure to use 64-bit time_t in the test infrastructure.

support/Makefile

@@ -238,6 +238,24 @@ CFLAGS-support_paths.c = \
 CFLAGS-timespec.c += -fexcess-precision=standard
 CFLAGS-timespec-time64.c += -fexcess-precision=standard
 
+# Ensure that general support files use 64-bit time_t
+CFLAGS-delayed_exit.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
+CFLAGS-shell-container.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
+CFLAGS-support_can_chroot.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
+CFLAGS-support_copy_file.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
+CFLAGS-support_copy_file_range.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
+CFLAGS-support_descriptor_supports_holes.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
+CFLAGS-support_descriptors.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
+CFLAGS-support_process_state.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
+CFLAGS-support_stat_nanoseconds.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
+CFLAGS-support_subprocess.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
+CFLAGS-support_test_main.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
+CFLAGS-test-container.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
+CFLAGS-xmkdirp.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
+# This is required to get an mkstemp which can create large files on some
+# 32-bit platforms.
+CFLAGS-temp_file.c += -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
+
 ifeq (,$(CXX))
 LINKS_DSO_PROGRAM = links-dso-program-c
 else

support/shell-container.c

@@ -16,8 +16,6 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#define _FILE_OFFSET_BITS 64
-
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>

support/support_can_chroot.c

@@ -29,14 +29,14 @@ static void
 callback (void *closure)
 {
   int *result = closure;
-  struct stat64 before;
+  struct stat before;
   xstat ("/dev", &before);
   if (chroot ("/dev") != 0)
     {
       *result = errno;
       return;
     }
-  struct stat64 after;
+  struct stat after;
   xstat ("/", &after);
   TEST_VERIFY (before.st_dev == after.st_dev);
   TEST_VERIFY (before.st_ino == after.st_ino);

support/support_copy_file.c

@@ -24,7 +24,7 @@
 void
 support_copy_file (const char *from, const char *to)
 {
-  struct stat64 st;
+  struct stat st;
   xstat (from, &st);
   int fd_from = xopen (from, O_RDONLY, 0);
   mode_t mode = st.st_mode & 0777;

support/support_descriptor_supports_holes.c

@@ -40,7 +40,7 @@ support_descriptor_supports_holes (int fd)
       block_headroom = 32,
     };
 
-  struct stat64 st;
+  struct stat st;
   xfstat (fd, &st);
   if (!S_ISREG (st.st_mode))
     FAIL_EXIT1 ("descriptor %d does not refer to a regular file", fd);

support/test-container.c

@@ -16,8 +16,6 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#define _FILE_OFFSET_BITS 64
-
 #include <array_length.h>
 #include <stdio.h>
 #include <stdlib.h>