Home | History | Annotate | Download | only in sys
      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  *  * Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  *  * Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in
     12  *    the documentation and/or other materials provided with the
     13  *    distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     18  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
     19  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
     22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
     25  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 #ifndef _SYS_STAT_H_
     29 #define _SYS_STAT_H_
     30 
     31 #include <sys/cdefs.h>
     32 #include <sys/types.h>
     33 #include <sys/time.h>
     34 #include <linux/stat.h>
     35 
     36 #include <endian.h>
     37 
     38 __BEGIN_DECLS
     39 
     40 /* really matches stat64 in the kernel, hence the padding
     41  * Note: The kernel zero's the padded region because glibc might read them
     42  * in the hope that the kernel has stretched to using larger sizes.
     43  */
     44 struct stat {
     45     unsigned long long  st_dev;
     46     unsigned char       __pad0[4];
     47 
     48     unsigned long       __st_ino;
     49     unsigned int        st_mode;
     50     unsigned int        st_nlink;
     51 
     52     unsigned long       st_uid;
     53     unsigned long       st_gid;
     54 
     55     unsigned long long  st_rdev;
     56     unsigned char       __pad3[4];
     57 
     58     long long           st_size;
     59     unsigned long	st_blksize;
     60     unsigned long long  st_blocks;
     61 
     62     unsigned long       st_atime;
     63     unsigned long       st_atime_nsec;
     64 
     65     unsigned long       st_mtime;
     66     unsigned long       st_mtime_nsec;
     67 
     68     unsigned long       st_ctime;
     69     unsigned long       st_ctime_nsec;
     70 
     71     unsigned long long  st_ino;
     72 };
     73 
     74 /* For compatibility with GLibc, we provide macro aliases
     75  * for the non-Posix nano-seconds accessors.
     76  */
     77 #define  st_atimensec  st_atime_nsec
     78 #define  st_mtimensec  st_mtime_nsec
     79 #define  st_ctimensec  st_ctime_nsec
     80 
     81 extern int    chmod(const char *, mode_t);
     82 extern int    fchmod(int, mode_t);
     83 extern int    mkdir(const char *, mode_t);
     84 
     85 extern int    stat(const char *, struct stat *);
     86 extern int    fstat(int, struct stat *);
     87 extern int    lstat(const char *, struct stat *);
     88 extern int    mknod(const char *, mode_t, dev_t);
     89 extern mode_t umask(mode_t);
     90 
     91 #define  stat64    stat
     92 #define  fstat64   fstat
     93 #define  lstat64   lstat
     94 
     95 static __inline__ int mkfifo(const char *__p, mode_t __m)
     96 {
     97   return mknod(__p, (__m & ~S_IFMT) | S_IFIFO, (dev_t)0);
     98 }
     99 
    100 extern int  fstatat(int dirfd, const char *path, struct stat *buf, int flags);
    101 extern int  mkdirat(int dirfd, const char *pathname, mode_t mode);
    102 extern int fchownat(int dirfd, const char *path, uid_t owner, gid_t group, int flags);
    103 extern int fchmodat(int dirfd, const char *path, mode_t mode, int flags);
    104 extern int renameat(int olddirfd, const char *oldpath, int newdirfd, const char *newpath);
    105 
    106 __END_DECLS
    107 
    108 #endif /* _SYS_STAT_H_ */
    109