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authorAlistair Francis <alistair.francis@wdc.com>2019-08-13 13:35:28 -0700
committerAlistair Francis <alistair.francis@wdc.com>2019-10-24 09:14:26 -0700
commitacab05949fd28cdac6358f9a143cd010e08914b7 (patch)
tree1c2b98ae3fc69bdf85029a636e1f02cfb88bb18c /sysdeps/unix/sysv/linux/generic/bits
parent3007ad2140256e83918ce531435385fa003e9fce (diff)
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Define __STATFS_MATCHES_STATFS64
Add a new macro __STATFS_MATCHES_STATFS64 that specifies if fsblkcnt_t matches fsblkcnt64_t and if fsfilcnt_t matches fsfilcnt64_t. As we don't have the padding we also need to update the overflow checker to not access the undefined members.
Diffstat (limited to 'sysdeps/unix/sysv/linux/generic/bits')
-rw-r--r--sysdeps/unix/sysv/linux/generic/bits/statfs.h2
-rw-r--r--sysdeps/unix/sysv/linux/generic/bits/typesizes.h6
2 files changed, 6 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/generic/bits/statfs.h b/sysdeps/unix/sysv/linux/generic/bits/statfs.h
index c4069aba62..e622daf224 100644
--- a/sysdeps/unix/sysv/linux/generic/bits/statfs.h
+++ b/sysdeps/unix/sysv/linux/generic/bits/statfs.h
@@ -34,7 +34,7 @@
#if defined __USE_FILE_OFFSET64
# define __field64(type, type64, name) type64 name
-#elif __WORDSIZE == 64
+#elif __WORDSIZE == 64 || __STATFS_MATCHES_STATFS64
# define __field64(type, type64, name) type name
#elif __BYTE_ORDER == __LITTLE_ENDIAN
# define __field64(type, type64, name) \
diff --git a/sysdeps/unix/sysv/linux/generic/bits/typesizes.h b/sysdeps/unix/sysv/linux/generic/bits/typesizes.h
index 05e3cfee45..0c8c2e0c12 100644
--- a/sysdeps/unix/sysv/linux/generic/bits/typesizes.h
+++ b/sysdeps/unix/sysv/linux/generic/bits/typesizes.h
@@ -73,10 +73,14 @@
/* And for __rlim_t and __rlim64_t. */
# define __RLIM_T_MATCHES_RLIM64_T 1
+
+/* And for fsblkcnt_t, fsblkcnt64_t, fsfilcnt_t and fsfilcnt64_t. */
+# define __STATFS_MATCHES_STATFS64 1
#else
# define __RLIM_T_MATCHES_RLIM64_T 0
-#endif
+# define __STATFS_MATCHES_STATFS64 0
+#endif
/* Number of descriptors that can fit in an `fd_set'. */
#define __FD_SETSIZE 1024