Implement some of the missing LFS64 support.

This gives us:

* <dirent.h>
  struct dirent64
  readdir64, readdir64_r, alphasort64, scandir64

* <fcntl.h>
  creat64, openat64, open64.

* <sys/stat.h>
  struct stat64
  fstat64, fstatat64, lstat64, stat64.

* <sys/statvfs.h>
  struct statvfs64
  statvfs64, fstatvfs64.

* <sys/vfs.h>
  struct statfs64
  statfs64, fstatfs64.

This also removes some of the incorrect #define hacks we've had in the
past (for stat64, for example, which we promised to clean up way back
in bug 8472078).

Bug: 11865851
Bug: 8472078
Change-Id: Ia46443521918519f2dfa64d4621027dfd13ac566
This commit is contained in:
Elliott Hughes
2014-01-17 18:42:49 -08:00
parent 3623d80675
commit db1ea34748
39 changed files with 456 additions and 319 deletions

View File

@@ -38,101 +38,101 @@
__BEGIN_DECLS
#if defined(__aarch64__)
struct stat {
unsigned long st_dev;
unsigned long st_ino;
unsigned int st_mode;
unsigned int st_nlink;
unsigned int st_uid;
unsigned int st_gid;
unsigned long st_rdev;
unsigned long __pad1;
long st_size;
int st_blksize;
int __pad2;
long st_blocks;
long st_atime;
unsigned long st_atime_nsec;
long st_mtime;
unsigned long st_mtime_nsec;
long st_ctime;
unsigned long st_ctime_nsec;
unsigned int __unused4;
unsigned int __unused5;
};
#define __STAT64_BODY \
unsigned long st_dev; \
unsigned long st_ino; \
unsigned int st_mode; \
unsigned int st_nlink; \
unsigned int st_uid; \
unsigned int st_gid; \
unsigned long st_rdev; \
unsigned long __pad1; \
long st_size; \
int st_blksize; \
int __pad2; \
long st_blocks; \
long st_atime; \
unsigned long st_atime_nsec; \
long st_mtime; \
unsigned long st_mtime_nsec; \
long st_ctime; \
unsigned long st_ctime_nsec; \
unsigned int __unused4; \
unsigned int __unused5; \
#elif defined(__mips__)
struct stat {
unsigned int st_dev;
unsigned int __pad0[3];
unsigned long long st_ino;
unsigned int st_mode;
unsigned int st_nlink;
unsigned int st_uid;
unsigned int st_gid;
unsigned int st_rdev;
unsigned int __pad1[3];
long long st_size;
unsigned int st_atime;
unsigned int st_atime_nsec;
unsigned int st_mtime;
unsigned int st_mtime_nsec;
unsigned int st_ctime;
unsigned int st_ctime_nsec;
unsigned int st_blksize;
unsigned int __pad2;
unsigned long long st_blocks;
};
#define __STAT64_BODY \
unsigned int st_dev; \
unsigned int __pad0[3]; \
unsigned long long st_ino; \
unsigned int st_mode; \
unsigned int st_nlink; \
unsigned int st_uid; \
unsigned int st_gid; \
unsigned int st_rdev; \
unsigned int __pad1[3]; \
long long st_size; \
unsigned int st_atime; \
unsigned int st_atime_nsec; \
unsigned int st_mtime; \
unsigned int st_mtime_nsec; \
unsigned int st_ctime; \
unsigned int st_ctime_nsec; \
unsigned int st_blksize; \
unsigned int __pad2; \
unsigned long long st_blocks; \
#elif defined(__x86_64__)
struct stat {
unsigned long st_dev;
unsigned long st_ino;
unsigned long st_nlink;
unsigned int st_mode;
unsigned int st_uid;
unsigned int st_gid;
unsigned int __pad0;
unsigned long st_rdev;
long st_size;
long st_blksize;
long st_blocks;
unsigned long st_atime;
unsigned long st_atime_nsec;
unsigned long st_mtime;
unsigned long st_mtime_nsec;
unsigned long st_ctime;
unsigned long st_ctime_nsec;
long __pad3[3];
};
#define __STAT64_BODY \
unsigned long st_dev; \
unsigned long st_ino; \
unsigned long st_nlink; \
unsigned int st_mode; \
unsigned int st_uid; \
unsigned int st_gid; \
unsigned int __pad0; \
unsigned long st_rdev; \
long st_size; \
long st_blksize; \
long st_blocks; \
unsigned long st_atime; \
unsigned long st_atime_nsec; \
unsigned long st_mtime; \
unsigned long st_mtime_nsec; \
unsigned long st_ctime; \
unsigned long st_ctime_nsec; \
long __pad3[3]; \
#else
struct stat {
unsigned long long st_dev;
unsigned char __pad0[4];
unsigned long __st_ino;
unsigned int st_mode;
unsigned int st_nlink;
unsigned long st_uid;
unsigned long st_gid;
unsigned long long st_rdev;
unsigned char __pad3[4];
long long st_size;
unsigned long st_blksize;
unsigned long long st_blocks;
unsigned long st_atime;
unsigned long st_atime_nsec;
unsigned long st_mtime;
unsigned long st_mtime_nsec;
unsigned long st_ctime;
unsigned long st_ctime_nsec;
unsigned long long st_ino;
};
#define __STAT64_BODY \
unsigned long long st_dev; \
unsigned char __pad0[4]; \
unsigned long __st_ino; \
unsigned int st_mode; \
unsigned int st_nlink; \
unsigned long st_uid; \
unsigned long st_gid; \
unsigned long long st_rdev; \
unsigned char __pad3[4]; \
long long st_size; \
unsigned long st_blksize; \
unsigned long long st_blocks; \
unsigned long st_atime; \
unsigned long st_atime_nsec; \
unsigned long st_mtime; \
unsigned long st_mtime_nsec; \
unsigned long st_ctime; \
unsigned long st_ctime_nsec; \
unsigned long long st_ino; \
#endif
/* For compatibility with GLibc, we provide macro aliases
* for the non-Posix nano-seconds accessors.
*/
#define st_atimensec st_atime_nsec
#define st_mtimensec st_mtime_nsec
#define st_ctimensec st_ctime_nsec
struct stat { __STAT64_BODY };
struct stat64 { __STAT64_BODY };
#define st_atimensec st_atime_nsec
#define st_mtimensec st_mtime_nsec
#define st_ctimensec st_ctime_nsec
#ifdef __USE_BSD
/* Permission macros provided by glibc for compatibility with BSDs. */
@@ -141,21 +141,26 @@ struct stat {
#define DEFFILEMODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) /* 0666 */
#endif
extern int chmod(const char *, mode_t);
extern int fchmod(int, mode_t);
extern int mkdir(const char *, mode_t);
extern int chmod(const char*, mode_t);
extern int fchmod(int, mode_t);
extern int mkdir(const char*, mode_t);
extern int stat(const char *, struct stat *);
extern int fstat(int, struct stat *);
extern int lstat(const char *, struct stat *);
extern int mknod(const char *, mode_t, dev_t);
extern int fstat(int, struct stat*);
extern int fstat64(int, struct stat64*);
extern int fstatat(int, const char*, struct stat*, int);
extern int fstatat64(int, const char*, struct stat64*, int);
extern int lstat(const char*, struct stat*);
extern int lstat64(const char*, struct stat64*);
extern int stat(const char*, struct stat*);
extern int stat64(const char*, struct stat64*);
extern int mknod(const char*, mode_t, dev_t);
extern mode_t umask(mode_t);
#if defined(__BIONIC_FORTIFY)
extern mode_t __umask_chk(mode_t);
extern mode_t __umask_real(mode_t)
__asm__(__USER_LABEL_PREFIX__ "umask");
extern mode_t __umask_real(mode_t) __asm__(__USER_LABEL_PREFIX__ "umask");
__errordecl(__umask_invalid_mode, "umask called with invalid mode");
__BIONIC_FORTIFY_INLINE
@@ -172,20 +177,14 @@ mode_t umask(mode_t mode) {
}
#endif /* defined(__BIONIC_FORTIFY) */
#define stat64 stat
#define fstat64 fstat
#define lstat64 lstat
extern int mkfifo(const char*, mode_t);
extern int fchmodat(int, const char*, mode_t, int);
extern int fstatat(int, const char*, struct stat*, int);
extern int mkdirat(int, const char*, mode_t);
extern int mknodat(int, const char*, mode_t, dev_t);
# define UTIME_NOW ((1l << 30) - 1l)
# define UTIME_OMIT ((1l << 30) - 2l)
#define UTIME_NOW ((1L << 30) - 1L)
#define UTIME_OMIT ((1L << 30) - 2L)
extern int utimensat(int fd, const char *path, const struct timespec times[2], int flags);
extern int futimens(int fd, const struct timespec times[2]);