64 lines
1.6 KiB
Diff
64 lines
1.6 KiB
Diff
Upstream commit:
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commit eb32b0d40308166c4d8f6330cc2958cb1e545075
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Author: Andreas Schwab <schwab@suse.de>
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Date: Mon Aug 10 14:12:47 2015 +0200
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Readd O_LARGEFILE flag for openat64 (bug 18781)
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diff --git a/io/test-lfs.c b/io/test-lfs.c
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index 539c2a2..b6ebae4 100644
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--- a/io/test-lfs.c
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+++ b/io/test-lfs.c
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@@ -144,7 +144,7 @@ test_ftello (void)
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int
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do_test (int argc, char *argv[])
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{
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- int ret;
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+ int ret, fd2;
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struct stat64 statbuf;
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ret = lseek64 (fd, TWO_GB+100, SEEK_SET);
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@@ -195,6 +195,25 @@ do_test (int argc, char *argv[])
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error (EXIT_FAILURE, 0, "stat reported size %lld instead of %lld.",
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(long long int) statbuf.st_size, (TWO_GB + 100 + 5));
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+ fd2 = openat64 (AT_FDCWD, name, O_RDWR);
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+ if (fd2 == -1)
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+ {
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+ if (errno == ENOSYS)
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+ {
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+ /* Silently ignore this test. */
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+ error (0, 0, "openat64 is not supported");
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+ }
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+ else
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+ error (EXIT_FAILURE, errno, "openat64 failed to open big file");
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+ }
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+ else
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+ {
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+ ret = close (fd2);
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+
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+ if (ret == -1)
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+ error (EXIT_FAILURE, errno, "error closing file");
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+ }
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+
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test_ftello ();
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return 0;
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diff --git a/sysdeps/unix/sysv/linux/openat.c b/sysdeps/unix/sysv/linux/openat.c
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index 6777123..ad8e31d 100644
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--- a/sysdeps/unix/sysv/linux/openat.c
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+++ b/sysdeps/unix/sysv/linux/openat.c
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@@ -68,6 +68,11 @@ __OPENAT (int fd, const char *file, int oflag, ...)
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va_end (arg);
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}
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+ /* We have to add the O_LARGEFILE flag for openat64. */
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+#ifdef MORE_OFLAGS
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+ oflag |= MORE_OFLAGS;
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+#endif
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+
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return SYSCALL_CANCEL (openat, fd, file, oflag, mode);
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}
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libc_hidden_def (__OPENAT)
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