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Define __STATFS_MATCHES_STATFS64

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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.
This commit is contained in:
Alistair Francis
2019-08-13 13:35:28 -07:00
parent 3007ad2140
commit acab05949f
9 changed files with 37 additions and 2 deletions
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2
sysdeps/unix/sysv/linux/generic/bits/statfs.h
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@ -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) \

6
sysdeps/unix/sysv/linux/generic/bits/typesizes.h
View File

@ -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