cp.c File Reference

#include <stdio.h>
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include <stddef.h>
#include <unistd.h>
#include <fcntl.h>
#include <time.h>
#include <sys/stat.h>
#include <utime.h>
#include <dirent.h>
#include <errno.h>
#include <assert.h>
#include <sys/dir.h>

Include dependency graph for cp.c:

Go to the source code of this file.

Data Structures
struct	pathname
struct	entrylist
Defines
#define	nil   0
#define	DEBUG   0
#define	NDEBUG   1
#define	CHUNK   (1024 << (sizeof(int) + sizeof(char *)))
#define	CONFORMING   1
#define	arraysize(a)   (sizeof(a) / sizeof((a)[0]))
#define	arraylimit(a)   ((a) + arraysize(a))
#define	S_ISLNK(mode)   (0)
#define	lstat   stat
#define	symlink(path1, path2)   (errno= ENOSYS, -1)
#define	readlink(path, buf, len)   (errno= ENOSYS, -1)
#define	path_name(pp)   ((const char *) (pp)->path)
#define	path_length(pp)   ((pp)->idx)
#define	path_drop(pp)   deallocate((void *) (pp)->path)
#define	PATH_MAX   1024
Typedefs
typedef enum identity	identity_t
typedef enum action	action_t
typedef pathname	pathname_t
typedef entrylist	entrylist_t
Enumerations
enum	identity {   CP, MV, RM, LN,   CPDIR, CLONE }
enum	action { COPY, MOVE, REMOVE, LINK }
Functions
void	report (const char *label)
void	fatal (const char *label)
void	report2 (const char *src, const char *dst)
void *	allocate (void *mem, size_t size)
void	deallocate (void *mem)
void	path_init (pathname_t *pp)
void	path_add (pathname_t *pp, const char *name)
void	path_trunc (pathname_t *pp, size_t didx)
char *	basename (const char *path)
int	affirmative (void)
int	writable (const struct stat *stp)
static char *	link_islink (struct stat *stp, const char *file)
int	trylink (const char *src, const char *dst, struct stat *srcst, struct stat *dstst)
int	copy (const char *src, const char *dst, struct stat *srcst, struct stat *dstst)
void	copy1 (const char *src, const char *dst, struct stat *srcst, struct stat *dstst)
void	remove1 (const char *src, struct stat *srcst)
void	link1 (const char *src, const char *dst, struct stat *srcst, struct stat *dstst)
int	eat_dir (const char *dir, entrylist_t **dlist)
void	chop_dlist (entrylist_t **dlist)
void	drop_dlist (entrylist_t *dlist)
void	do1 (pathname_t *src, pathname_t *dst, int depth)
void	usage (void)
void	main (int argc, char **argv)
Variables
char *	prog_name
int	ex_code = 0
identity_t	identity
action_t	action
int	pflag = 0
int	iflag = 0
int	fflag = 0
int	sflag = 0
int	Sflag = 0
int	mflag = 0
int	rflag = 0
int	vflag = 0
int	xflag = 0
int	xdev = 0
int	expand = 0
int	conforming = CONFORMING
int	fc_mask
int	uid
int	gid
int	istty

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Define Documentation

#define arraylimit (  a   )     ((a) + arraysize(a))

Definition at line 43 of file cp.c.

#define arraysize (  a   )     (sizeof(a) / sizeof((a)[0]))

Definition at line 42 of file cp.c.

#define CHUNK   (1024 << (sizeof(int) + sizeof(char *)))

Definition at line 33 of file cp.c. Referenced by add(), bload(), bopen(), bskip(), build_index(), copy(), def(), extract(), gzcopy(), gzscan(), gztack(), inf(), main(), new_block(), reader(), and slave().

#define CONFORMING   1

Definition at line 38 of file cp.c.

#define DEBUG   0

Definition at line 22 of file cp.c.

#define lstat   stat

Definition at line 73 of file cp.c.

#define NDEBUG   1

Definition at line 23 of file cp.c.

#define nil   0

Definition at line 8 of file cp.c.

#define path_drop (  pp   )     deallocate((void *) (pp)->path)

Definition at line 189 of file cp.c. Referenced by add(), link1(), and main().

#define path_length (  pp   )     ((pp)->idx)

Definition at line 188 of file cp.c. Referenced by apply_differences(), apply_remove(), do1(), link1(), main(), readstate(), recurse_dir(), and traverse().

#define PATH_MAX   1024

Definition at line 238 of file cp.c. Referenced by addpath(), check_mtab(), chksymlinkzone(), decode_message(), descend(), diff_recursive(), do_exec(), fetch_name(), find(), find_bin(), finddev(), fpathconf(), fts_open(), get_data(), get_name(), iruserok(), link_islink(), list(), ltraverse(), main(), makelongnames(), makepath(), patch_stack(), tellstatus(), test21a(), test23a(), test23b(), test23c(), test25e(), test30c(), test31c(), test32b(), test33c(), update_mtab(), and work().

#define path_name (  pp   )     ((const char *) (pp)->path)

Definition at line 187 of file cp.c. Referenced by add(), add_file(), apply_add(), apply_differences(), apply_link(), apply_remove(), do1(), is_added(), link1(), readstate(), and traverse().

#define readlink (  path, buf, len   )     (errno= ENOSYS, -1)

Definition at line 75 of file cp.c. Referenced by add_file(), copy1(), file(), link1(), print1(), and rdlink().

#define S_ISLNK (  mode   )     (0)

Definition at line 72 of file cp.c.

#define symlink (  path1, path2   )     (errno= ENOSYS, -1)

Definition at line 74 of file cp.c. Referenced by add(), apply_add(), copy1(), extract(), link1(), and node_creat().

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Typedef Documentation

typedef enum action action_t

typedef struct entrylist entrylist_t

typedef enum identity identity_t

typedef struct pathname pathname_t

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Enumeration Type Documentation

enum action

Enumerator: COPY  MOVE  REMOVE  LINK  Definition at line 49 of file cp.c.

enum identity

Enumerator: CP  MV  RM  LN  CPDIR  CLONE  Definition at line 48 of file cp.c.

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Function Documentation

int affirmative (  void   )

Definition at line 210 of file cp.c. References c, EOF, fflush(), getchar, ok(), stderr, and stdout. Referenced by copy(), copy1(), do1(), link1(), and remove1().

void* allocate (  void *  mem, size_t  size )

Definition at line 101 of file cp.c. References fatal(), malloc(), nil, and realloc().

char* basename (  const char *  path  )

Definition at line 192 of file cp.c. References p.

void chop_dlist (  entrylist_t **  dlist  )

Definition at line 851 of file cp.c. References deallocate, entrylist::name, and entrylist::next. Referenced by do1(), and drop_dlist().

int copy (  const char *  src, const char *  dst, struct stat *  srcst, struct stat *  dstst )

Definition at line 372 of file cp.c. References utimbuf::actime, affirmative(), assert, bp, chmod, chown, CHUNK, close, conforming, COPY, EACCES, ENOENT, EPERM, errno, fatal(), fc_mask, fflag, fprintf(), fstat, iflag, utimbuf::modtime, n, nil, O_CREAT, O_RDONLY, O_TRUNC, O_WRONLY, open, pflag, printf, prog_name, r, read, report(), S_IFREG, S_ISREG, S_IWUSR, stat::st_atime, stat::st_gid, stat::st_ino, stat::st_mode, stat::st_mtime, stat::st_uid, stderr, time, trylink(), unlink, utime, vflag, writable, and write.

void copy1 (  const char *  src, const char *  dst, struct stat *  srcst, struct stat *  dstst )

Definition at line 546 of file cp.c. References utimbuf::actime, affirmative(), assert, chown, conforming, copy, EISDIR, EPERM, errno, ex_code, expand, fc_mask, fflag, fprintf(), iflag, linked(), lstat, mkfifo, mknod, utimbuf::modtime, nil, pflag, printf, prog_name, r, readlink, report(), rflag, S_ISBLK, S_ISCHR, S_ISDIR, S_ISFIFO, S_ISLNK, S_ISREG, stat::st_atime, stat::st_dev, stat::st_gid, stat::st_ino, stat::st_mode, stat::st_mtime, stat::st_rdev, stat::st_uid, stderr, symlink, time, trylink(), unlink, utime, vflag, and writable. Referenced by do1().

void deallocate (  void *  mem  )

Definition at line 112 of file cp.c. References free, and nil.

void do1 (  pathname_t *  src, pathname_t *  dst, int  depth )

Definition at line 867 of file cp.c. References utimbuf::actime, affirmative(), chmod, chop_dlist(), chown, conforming, COPY, copy1(), drop_dlist(), eat_dir(), EEXIST, EISDIR, ENOENT, ENOTDIR, ENOTEMPTY, EPERM, errno, ex_code, EXDEV, expand, fc_mask, fflag, flags, fprintf(), iflag, LINK, link1(), lstat, mflag, mkdir, utimbuf::modtime, nil, path_add(), path_length, path_name, path_trunc(), pflag, printf, prog_name, REMOVE, remove1(), rename, report(), report2(), rflag, rmdir, S_IRWXU, S_ISDIR, Sflag, sflag, stat::st_atime, stat::st_dev, stat::st_gid, stat::st_ino, stat::st_mode, stat::st_mtime, stat::st_uid, stderr, time, unlink, utime, vflag, writable, xdev, and xflag. Referenced by main().

void drop_dlist (  entrylist_t *  dlist  )

Definition at line 861 of file cp.c. References chop_dlist(), and nil. Referenced by do1().

int eat_dir (  const char *  dir, entrylist_t **  dlist )

Definition at line 829 of file cp.c. References allocate(), closedir, entry, nil, opendir, readdir, strcmp, strcpy(), and strlen(). Referenced by do1(), eat_dir(), and main().

void fatal (  const char *  label  )

Definition at line 85 of file cp.c. References exit(), and report().

void link1 (  const char *  src, const char *  dst, struct stat *  srcst, struct stat *  dstst )

Definition at line 696 of file cp.c. References affirmative(), EISDIR, errno, ex_code, EXDEV, exit(), fflag, fprintf(), iflag, link, p, path_add(), path_drop, path_init(), path_length, path_name, path_trunc(), printf, prog_name, r, readlink, report(), report2(), rflag, S_ISDIR, S_ISLNK, Sflag, sflag, stat::st_ino, stat::st_mode, stderr, sym, symlink, unlink, vflag, and xdev. Referenced by do1().

static char* link_islink (  struct stat *  stp, const char *  file )  [static]

Definition at line 241 of file cp.c. References arraylimit, close, dev, free, link::ino, lp, link::next, nil, off, and PATH_MAX. Referenced by islink(), and trylink().

void main (  int  argc, char **  argv )

Definition at line 1199 of file cp.c. References assert, basename, CLONE, conforming, COPY, CP, CPDIR, do1(), ex_code, exit(), expand, fc_mask, fflag, flags, fprintf(), getegid, geteuid, gid, i, iflag, isatty, istty, LINK, LN, mflag, MV, nil, path_add(), path_drop, path_init(), path_length, path_trunc(), pflag, prog_name, REMOVE, rflag, RM, S_ISDIR, Sflag, sflag, slash(), st, stat::st_mode, stat, stderr, strchr, strcmp, uid, umask, usage, vflag, and xflag.

void path_add (  pathname_t *  pp, const char *  name )

Definition at line 136 of file cp.c. References allocate(), pathname::idx, pathname::lim, p, pathname::path, and strlen(). Referenced by add(), apply_differences(), apply_remove(), do1(), link1(), main(), readstate(), and traverse().

void path_init (  pathname_t *  pp  )

Definition at line 129 of file cp.c. References allocate(), DIRSIZ, pathname::idx, pathname::lim, nil, and pathname::path. Referenced by add(), apply_differences(), link1(), main(), readstate(), and traverse().

void path_trunc (  pathname_t *  pp, size_t  didx )

Definition at line 161 of file cp.c. References pathname::idx, and pathname::path. Referenced by apply_differences(), apply_remove(), do1(), link1(), main(), readstate(), and traverse().

void remove1 (  const char *  src, struct stat *  srcst )

Definition at line 682 of file cp.c. References affirmative(), fflag, fprintf(), iflag, printf, report(), stat::st_mode, stderr, unlink, vflag, and writable. Referenced by do1().

void report (  const char *  label  )

Definition at line 78 of file cp.c. References errno, ex_code, fflag, fprintf(), prog_name, REMOVE, stderr, and strerror().

void report2 (  const char *  src, const char *  dst )

Definition at line 91 of file cp.c. References errno, ex_code, fprintf(), prog_name, stderr, and strerror(). Referenced by do1(), and link1().

int trylink (  const char *  src, const char *  dst, struct stat *  srcst, struct stat *  dstst )

Definition at line 349 of file cp.c. References COPY, expand, link, link_islink(), linked(), nil, printf, stat::st_ino, unlink, and vflag. Referenced by copy(), and copy1().

void usage (  void   )

Definition at line 1164 of file cp.c. References CLONE, CP, CPDIR, exit(), fprintf(), LN, MV, nil, prog_name, RM, and stderr.

int writable (  const struct stat *  stp  )

Definition at line 226 of file cp.c. References gid, istty, S_IWGRP, S_IWOTH, S_IWUSR, stat::st_gid, stat::st_mode, stat::st_uid, and uid.

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Variable Documentation

action_t action

Definition at line 52 of file cp.c.

int conforming = CONFORMING

Definition at line 64 of file cp.c. Referenced by copy(), copy1(), do1(), and main().

int ex_code = 0

Definition at line 46 of file cp.c. Referenced by copy1(), do1(), link1(), main(), report(), and report2().

int expand = 0

Definition at line 63 of file cp.c. Referenced by copy1(), do1(), docmds1(), eval(), evalstr(), find_device(), macro(), main(), mcat(), mformat(), and trylink().

int fc_mask

Definition at line 66 of file cp.c. Referenced by copy(), copy1(), do1(), and main().

int fflag = 0

Definition at line 55 of file cp.c.

int gid

Definition at line 67 of file cp.c. Referenced by display_attrib(), do_chown(), getids(), grp_add(), main(), permissions(), test34a(), test34c(), test35c(), and writable().

identity_t identity

Definition at line 51 of file cp.c.

int iflag = 0

Definition at line 54 of file cp.c.

int istty

Definition at line 68 of file cp.c.

int mflag = 0

Definition at line 58 of file cp.c.

int pflag = 0

Definition at line 53 of file cp.c.

char* prog_name

Definition at line 45 of file cp.c.

int rflag = 0

Definition at line 59 of file cp.c.

int Sflag = 0

Definition at line 57 of file cp.c. Referenced by do1(), link1(), and main().

int sflag = 0

Definition at line 56 of file cp.c.

int uid

Definition at line 67 of file cp.c. Referenced by display_attrib(), do_chown(), get_homedir(), getids(), main(), permissions(), recover(), test34a(), test34c(), test35c(), usr_add(), and writable().

int vflag = 0

Definition at line 60 of file cp.c.

int xdev = 0

Definition at line 62 of file cp.c. Referenced by do1(), link1(), and traverse().

int xflag = 0

Definition at line 61 of file cp.c.

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