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 #ifdef __mips__
     45 struct stat {
     46     unsigned long	st_dev;
     47     unsigned long       __pad0[3];
     48 
     49     unsigned long long  st_ino;
     50 
     51     unsigned int        st_mode;
     52     unsigned int        st_nlink;
     53 
     54     unsigned long       st_uid;
     55     unsigned long       st_gid;
     56 
     57     unsigned long	st_rdev;
     58     unsigned long       __pad1[3];
     59 
     60     long long           st_size;
     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	st_blksize;
     72     unsigned long	__pad2;
     73 
     74     unsigned long long  st_blocks;
     75 };
     76 #else
     77 struct stat {
     78     unsigned long long  st_dev;
     79     unsigned char       __pad0[4];
     80 
     81     unsigned long       __st_ino;
     82     unsigned int        st_mode;
     83     unsigned int        st_nlink;
     84 
     85     unsigned long       st_uid;
     86     unsigned long       st_gid;
     87 
     88     unsigned long long  st_rdev;
     89     unsigned char       __pad3[4];
     90 
     91     long long           st_size;
     92     unsigned long	st_blksize;
     93     unsigned long long  st_blocks;
     94 
     95     unsigned long       st_atime;
     96     unsigned long       st_atime_nsec;
     97 
     98     unsigned long       st_mtime;
     99     unsigned long       st_mtime_nsec;
    100 
    101     unsigned long       st_ctime;
    102     unsigned long       st_ctime_nsec;
    103 
    104     unsigned long long  st_ino;
    105 };
    106 #endif
    107 
    108 /* For compatibility with GLibc, we provide macro aliases
    109  * for the non-Posix nano-seconds accessors.
    110  */
    111 #define  st_atimensec  st_atime_nsec
    112 #define  st_mtimensec  st_mtime_nsec
    113 #define  st_ctimensec  st_ctime_nsec
    114 
    115 extern int    chmod(const char *, mode_t);
    116 extern int    fchmod(int, mode_t);
    117 extern int    mkdir(const char *, mode_t);
    118 
    119 extern int    stat(const char *, struct stat *);
    120 extern int    fstat(int, struct stat *);
    121 extern int    lstat(const char *, struct stat *);
    122 extern int    mknod(const char *, mode_t, dev_t);
    123 extern mode_t umask(mode_t);
    124 
    125 #define  stat64    stat
    126 #define  fstat64   fstat
    127 #define  lstat64   lstat
    128 
    129 static __inline__ int mkfifo(const char *__p, mode_t __m)
    130 {
    131   return mknod(__p, (__m & ~S_IFMT) | S_IFIFO, (dev_t)0);
    132 }
    133 
    134 extern int  fstatat(int dirfd, const char *path, struct stat *buf, int flags);
    135 extern int  mkdirat(int dirfd, const char *pathname, mode_t mode);
    136 extern int fchownat(int dirfd, const char *path, uid_t owner, gid_t group, int flags);
    137 extern int fchmodat(int dirfd, const char *path, mode_t mode, int flags);
    138 extern int renameat(int olddirfd, const char *oldpath, int newdirfd, const char *newpath);
    139 
    140 __END_DECLS
    141 
    142 #endif /* _SYS_STAT_H_ */
    143