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https://sourceware.org/git/binutils-gdb.git
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76 lines
2.8 KiB
C
76 lines
2.8 KiB
C
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/* The <sys/stat.h> header defines a struct that is used in the stat() and
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* fstat functions. The information in this struct comes from the i-node of
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* some file. These calls are the only approved way to inspect i-nodes.
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*/
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#ifndef _STAT_H
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#define _STAT_H
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#ifndef _TYPES_H /* not quite right */
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#include <sys/types.h>
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#endif
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struct stat {
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dev_t st_dev; /* major/minor device number */
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ino_t st_ino; /* i-node number */
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mode_t st_mode; /* file mode, protection bits, etc. */
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short int st_nlink; /* # links; TEMPORARY HACK: should be nlink_t*/
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uid_t st_uid; /* uid of the file's owner */
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short int st_gid; /* gid; TEMPORARY HACK: should be gid_t */
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dev_t st_rdev;
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off_t st_size; /* file size */
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time_t st_atime; /* time of last access */
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time_t st_mtime; /* time of last data modification */
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time_t st_ctime; /* time of last file status change */
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};
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/* Traditional mask definitions for st_mode. */
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#define S_IFMT 0170000 /* type of file */
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#define S_IFREG 0100000 /* regular */
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#define S_IFBLK 0060000 /* block special */
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#define S_IFDIR 0040000 /* directory */
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#define S_IFCHR 0020000 /* character special */
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#define S_IFIFO 0010000 /* this is a FIFO */
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#define S_ISUID 0004000 /* set user id on execution */
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#define S_ISGID 0002000 /* set group id on execution */
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/* next is reserved for future use */
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#define S_ISVTX 01000 /* save swapped text even after use */
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/* POSIX masks for st_mode. */
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#define S_IRWXU 00700 /* owner: rwx------ */
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#define S_IRUSR 00400 /* owner: r-------- */
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#define S_IWUSR 00200 /* owner: -w------- */
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#define S_IXUSR 00100 /* owner: --x------ */
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#define S_IRWXG 00070 /* group: ---rwx--- */
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#define S_IRGRP 00040 /* group: ---r----- */
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#define S_IWGRP 00020 /* group: ----w---- */
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#define S_IXGRP 00010 /* group: -----x--- */
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#define S_IRWXO 00007 /* others: ------rwx */
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#define S_IROTH 00004 /* others: ------r-- */
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#define S_IWOTH 00002 /* others: -------w- */
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#define S_IXOTH 00001 /* others: --------x */
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/* The following macros test st_mode (from POSIX Sec. 5.6.1.1. */
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#define S_ISREG(m) ((m & S_IFMT) == S_IFREG) /* is a reg file */
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#define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR) /* is a directory */
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#define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR) /* is a char spec */
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#define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK) /* is a block spec */
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#define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO) /* is a pipe/FIFO */
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/* Function Prototypes. */
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#ifndef _ANSI_H
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#include <ansi.h>
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#endif
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_PROTOTYPE( int chmod, (const char *_path, int _mode) );
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_PROTOTYPE( int fstat, (int _fildes, struct stat *_buf) );
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_PROTOTYPE( int mkdir, (const char *_path, int _mode) );
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_PROTOTYPE( int mkfifo, (const char *_path, int _mode) );
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_PROTOTYPE( int stat , (const char *_path, struct stat *_buf) );
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_PROTOTYPE( mode_t umask, (int _cmask) );
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#endif /* _STAT_H */
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