remsync.c File Reference

#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <dirent.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <limits.h>
#include <time.h>
#include <utime.h>

Include dependency graph for remsync.c:

Go to the source code of this file.

Data Structures
struct	pathname
struct	namelist
struct	entry
Defines
#define	nil   0
#define	arraysize(a)   (sizeof(a) / sizeof((a)[0]))
#define	arraylimit(a)   ((a) + arraysize(a))
#define	major(dev)   ((int) ((dev) >> 8))
#define	minor(dev)   ((int) ((dev) & 0xFF))
#define	S_ISLNK(mode)   (0)
#define	lstat   stat
#define	symlink(path1, path2)   (errno= ENOSYS, -1)
#define	readlink(path, buf, len)   (errno= ENOSYS, -1)
#define	NO_DEVICE   (-1)
#define	BASE_INDENT   2
#define	KEEP_STATE   0
#define	KEEP_TRAVERSE   1
#define	path_name(pp)   ((const char *) (pp)->path)
#define	path_length(pp)   ((pp)->idx)
#define	path_drop(pp)   free((void *) (pp)->path)
#define	A_MODE1   0x01
#define	A_MODE   0x02
#define	A_OWNER   0x04
#define	A_SIZETIME   0x08
#define	A_DEV   0x10
#define	A_LINK   0x20
Typedefs
typedef pathname	pathname_t
typedef namelist	namelist_t
typedef enum filetype	filetype_t
typedef entry	entry_t
Enumerations
enum	filetype {   F_DIR, F_FILE, F_BLK, F_CHR,   F_PIPE, F_LINK }
enum	{   DELETE, REPLACE, COPY, SIMILAR,   EQUAL, ADD }
Functions
void	report (const char *label)
void	fatal (const char *label)
void *	allocate (void *mem, size_t size)
void	deallocate (void *mem)
void	forget (void *mem)
char *	copystr (const char *s)
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 *	rdlink (const char *link, off_t size)
void	sort (namelist_t **anl)
namelist_t *	collect (const char *dir)
char *	pop_name (namelist_t **names)
void	linked (entry_t *entry, struct stat *stp)
entry_t *	traverse (void)
void	checkstate (void)
void	indent (int depth)
int	print_name (FILE *fp, const char *name)
void	mkstatefile (void)
char *	read1line (FILE *fp)
void	getword (char **pline, char **parg, size_t *plen)
void	splitline (char *line, char ***pargv, size_t *pargc)
int	getattributes (entry_t *entry, int argc, char **argv)
void	state_syntax (off_t line)
entry_t *	readstate (void)
void	checkdiff (void)
	if (local==nil)
	if (remote->type!=local->type)
	switch (remote->type)
void	delete (entry_t *old)
void	change_modes (entry_t *old, entry_t *new)
int	cat (int f, off_t size)
void	add (entry_t *old, entry_t *new)
void	mkdifferences (void)
void	apply_remove (pathname_t *pp)
void	apply_mkold (const char *file, const char *err)
void	apply_chmod (const char *file, mode_t mode, uid_t uid, gid_t gid, int talk)
void	apply_add (pathname_t *pp, entry_t *entry)
void	apply_link (const char *file, pathname_t *pp)
void	diff_syntax (const char *line)
void	apply_differences (void)
void	usage (void)
int	main (int argc, char **argv)
Variables
int	sflag
int	dflag
int	uflag
int	xflag
int	Dflag
int	vflag
dev_t	xdev = NO_DEVICE
int	excode = 0
int	keep
char *	tree
FILE *	statefp
char *	state_file
FILE *	difffp
char *	diff_file
struct {
char *   f_name
FILE *   f_fp
int   f_type
char *   word
int   type
int   val
char *   name
CMD   code
void(*   fn )()
ARGT   argt
char *   name
char *   nm
char   type
char   flags
char *   value
const char *   name
signed char   fat_bits
int   tracks
unsigned short   heads
unsigned short   sectors
device_t *   dev
int   nr_partitions
int   free_regions
int   used_regions
int   sectors
int   nr_regions
int   biosdrive
region_t   regions [NR_REGIONS]
int   this_month
int   feb
int   sept
int   days_in_month
int   dow_first
int   o_file
int   o_field
WINDOW *   win
char   erase
char   kill
char   werase
unsigned   baudr
int   speedcode
u16_t   vendor
u16_t   device
}	remote
struct {
char *   f_name
FILE *   f_fp
int   f_type
char *   word
int   type
int   val
char *   name
CMD   code
void(*   fn )()
ARGT   argt
char *   name
char *   nm
char   type
char   flags
char *   value
const char *   name
signed char   fat_bits
int   tracks
unsigned short   heads
unsigned short   sectors
device_t *   dev
int   nr_partitions
int   free_regions
int   used_regions
int   sectors
int   nr_regions
int   biosdrive
region_t   regions [NR_REGIONS]
int   this_month
int   feb
int   sept
int   days_in_month
int   dow_first
int   o_file
int   o_field
WINDOW *   win
char   erase
char   kill
char   werase
unsigned   baudr
int   speedcode
u16_t   vendor
u16_t   device
}	cmp
return	EQUAL

---

Define Documentation

#define A_DEV   0x10

Referenced by getattributes().

#define A_LINK   0x20

Referenced by getattributes().

#define A_MODE   0x02

Referenced by getattributes().

#define A_MODE1   0x01

Referenced by getattributes().

#define A_OWNER   0x04

Referenced by getattributes().

#define A_SIZETIME   0x08

Referenced by getattributes().

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

Definition at line 20 of file remsync.c.

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

Definition at line 19 of file remsync.c.

#define BASE_INDENT   2

Definition at line 47 of file remsync.c. Referenced by indent().

#define KEEP_STATE   0

Definition at line 80 of file remsync.c. Referenced by readstate().

#define KEEP_TRAVERSE   1

Definition at line 81 of file remsync.c. Referenced by traverse().

#define lstat   stat

Definition at line 30 of file remsync.c.

#define major (  dev   )     ((int) ((dev) >> 8))

Definition at line 23 of file remsync.c.

#define minor (  dev   )     ((int) ((dev) & 0xFF))

Definition at line 24 of file remsync.c.

#define nil   0

Definition at line 4 of file remsync.c.

#define NO_DEVICE   (-1)

Definition at line 42 of file remsync.c. Referenced by traverse().

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

Definition at line 175 of file remsync.c.

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

Definition at line 174 of file remsync.c.

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

Definition at line 173 of file remsync.c.

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

Definition at line 32 of file remsync.c.

#define S_ISLNK (  mode   )     (0)

Definition at line 29 of file remsync.c.

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

Definition at line 31 of file remsync.c.

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Typedef Documentation

typedef struct entry entry_t

typedef enum filetype filetype_t

typedef struct namelist namelist_t

typedef struct pathname pathname_t

---

Enumeration Type Documentation

anonymous enum

Enumerator: DELETE  REPLACE  COPY  SIMILAR  EQUAL  ADD  Definition at line 877 of file remsync.c.

enum filetype

Enumerator: F_DIR  F_FILE  F_BLK  F_CHR  F_PIPE  F_LINK  Definition at line 276 of file remsync.c.

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Function Documentation

void add (  entry_t *  old, entry_t *  new )

Definition at line 1008 of file remsync.c. References cat(), checkdiff(), close, difffp, EINVAL, EOF, err, errno, F_BLK, F_CHR, F_DIR, F_FILE, F_LINK, F_PIPE, file, fprintf(), fputc(), entry::gid, entry::ignore, entry::link, entry::linked, entry::mode, entry::mtime, nil, O_RDONLY, open, entry::path, path_add(), path_drop, path_init(), path_name, print_name(), entry::rdev, report(), entry::size, stderr, strerror(), tree, entry::type, entry::uid, and vflag.

void* allocate (  void *  mem, size_t  size )

Definition at line 61 of file remsync.c. References assert, errno, exit(), fatal(), fprintf(), heap_chunks, malloc(), nil, realloc(), stderr, and strerror().

void apply_add (  pathname_t *  pp, entry_t *  entry )

Definition at line 1246 of file remsync.c. References utimbuf::actime, apply_chmod(), apply_mkold(), apply_remove(), arraylimit, c, chmod, close, diff_file, difffp, dirty, entry, EOF, exit(), F_BLK, F_CHR, F_DIR, F_FILE, F_LINK, F_PIPE, feof, ferror, fprintf(), getc, entry::gid, entry::ignore, int(), entry::link, lstat, major, minor, mkdir, mknod, entry::mode, utimbuf::modtime, entry::mtime, nil, O_CREAT, O_TRUNC, O_WRONLY, open, p, path_name, entry::rdev, report(), S_IFBLK, S_IFCHR, S_IFIFO, S_ISREG, entry::size, size, st, stat::st_mode, stat::st_mtime, stderr, symlink, time, entry::type, entry::uid, unlink, utime, vflag, and write. Referenced by apply_differences().

void apply_chmod (  const char *  file, mode_t  mode, uid_t  uid, gid_t  gid, int  talk )

Definition at line 1215 of file remsync.c. References chmod, chown, EPERM, errno, file, fprintf(), lstat, report(), st, stat::st_gid, stat::st_mode, stat::st_uid, stderr, and vflag. Referenced by apply_add(), and apply_differences().

void apply_differences (  void   )

Definition at line 1402 of file remsync.c. References apply_add(), apply_chmod(), apply_link(), apply_mkold(), apply_remove(), argc, argv, checkdiff(), diff_syntax(), difffp, entry, feof, getattributes(), entry::ignore, link, nil, path, path_add(), path_init(), path_length, path_name, path_trunc(), read1line(), splitline(), strcmp, strtoul(), and tree.

void apply_link (  const char *  file, pathname_t *  pp )

Definition at line 1371 of file remsync.c. References apply_remove(), errno, excode, fprintf(), link, lstat, path_name, report(), stat::st_dev, stat::st_ino, stderr, strerror(), and vflag. Referenced by apply_differences().

void apply_mkold (  const char *  file, const char *  err )

Definition at line 1200 of file remsync.c. References utimbuf::actime, fprintf(), utimbuf::modtime, nil, report(), stderr, and utime. Referenced by apply_add(), and apply_differences().

void apply_remove (  pathname_t *  pp  )

Definition at line 1159 of file remsync.c. References collect(), ENOENT, entries, errno, fprintf(), lstat, nil, path_add(), path_length, path_name, path_trunc(), pop_name(), report(), rmdir, S_ISDIR, st, stat::st_mode, stderr, unlink, and vflag. Referenced by apply_add(), apply_differences(), and apply_link().

int cat (  int  f, off_t  size )

Definition at line 972 of file remsync.c. References c, checkdiff(), Dflag, difffp, EINVAL, EOF, err, errno, int(), n, p, putc, and read. Referenced by add(), and categorize().

void change_modes (  entry_t *  old, entry_t *  new )

Definition at line 952 of file remsync.c. References checkdiff(), fprintf(), print_name(), and vflag. Referenced by mkdifferences().

void checkdiff (  void   )

Definition at line 872 of file remsync.c. References diff_file, difffp, fatal(), and ferror. Referenced by add(), apply_differences(), cat(), change_modes(), and mkdifferences().

void checkstate (  void   )

Definition at line 496 of file remsync.c. References fatal(), ferror, state_file, and statefp. Referenced by indent(), mkstatefile(), and readstate().

namelist_t* collect (  const char *  dir  )

Definition at line 233 of file remsync.c. References allocate(), closedir, copystr(), entry, errno, names, name::next, nil, opendir, readdir, and sort().

char* copystr (  const char *  s  )

Definition at line 94 of file remsync.c. References allocate(), c, nil, strcpy(), and strlen().

void deallocate (  void *  mem  )

Definition at line 71 of file remsync.c. References alloc_count, free, and nil.

void delete (  entry_t *  old  )

Definition at line 939 of file remsync.c.

void diff_syntax (  const char *  line  )

Definition at line 1395 of file remsync.c. References diff_file, exit(), fprintf(), and stderr. Referenced by apply_differences().

void fatal (  const char *  label  )

Definition at line 55 of file remsync.c. References exit(), and report().

void forget (  void *  mem  )

Definition at line 83 of file remsync.c. References arraylimit, deallocate, and keep. Referenced by getattributes(), linked(), and pop_name().

int getattributes (  entry_t *  entry, int  argc, char **  argv )

Definition at line 681 of file remsync.c. References A_DEV, A_LINK, A_MODE, A_MODE1, A_OWNER, A_SIZETIME, allocate(), arraysize, copystr(), deallocate, entry, F_BLK, F_CHR, F_DIR, F_FILE, F_LINK, F_PIPE, forget(), entry::gid, i, entry::lastlink, entry::link, entry::linked, lp, entry::mode, entry::mtime, next, nil, entry::path, path, entry::rdev, entry::size, strcmp, strtoul(), entry::type, and entry::uid. Referenced by apply_differences(), and readstate().

void getword (  char **  pline, char **  parg, size_t *  plen )

Definition at line 623 of file remsync.c. References allocate(), arg, c, and i. Referenced by servxcheck().

if (  remote->type!  = local->type  )

Definition at line 903 of file remsync.c. References local, remote, and strcmp.

if (  local  = = nil  )

Definition at line 884 of file remsync.c.

void indent (  int  depth  )

Definition at line 501 of file remsync.c. References BASE_INDENT, checkstate(), EOF, n, putc, and statefp.

void linked (  entry_t *  entry, struct stat *  stp )

Definition at line 303 of file remsync.c. References allocate(), arraysize, copystr(), deallocate, dev, entry, entry::fake_ino, forget(), entry::lastlink, entry::link, entry::linked, lp, next, nil, entry::path, path, S_ISDIR, stat::st_dev, stat::st_ino, stat::st_mode, and stat::st_nlink. Referenced by copy1(), traverse(), and trylink().

int main (  int  argc, char **  argv )

Definition at line 1478 of file remsync.c. References i, and p.

void mkdifferences (  void   )

Definition at line 1108 of file remsync.c. References ADD, add(), change_modes(), checkdiff(), compare, COPY, DELETE, difffp, EQUAL, F_FILE, fflush(), fprintf(), local, nil, readstate(), remote, SIMILAR, and traverse().

void mkstatefile (  void   )

Definition at line 533 of file remsync.c. References checkstate(), entry::depth, entry, EOF, F_BLK, F_CHR, F_DIR, F_FILE, F_LINK, F_PIPE, entry::fake_ino, fflush(), fprintf(), fputc(), entry::gid, entry::ignore, indent, entry::lastlink, entry::link, entry::mode, entry::mtime, entry::name, nil, print_name(), entry::rdev, entry::size, statefp, strerror(), traverse(), entry::type, and entry::uid.

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

Definition at line 114 of file remsync.c. References allocate(), pathname::idx, pathname::lim, p, pathname::path, slash(), and strlen().

void path_init (  pathname_t *  pp  )

Definition at line 107 of file remsync.c. References allocate(), pathname::idx, pathname::lim, nil, and pathname::path.

void path_trunc (  pathname_t *  pp, size_t  didx )

Definition at line 146 of file remsync.c. References pathname::idx, and pathname::path.

char* pop_name (  namelist_t **  names  )

Definition at line 262 of file remsync.c. References deallocate, forget(), namelist::name, names, and namelist::next. Referenced by apply_remove(), and traverse().

int print_name (  FILE *  fp, const char *  name )

Definition at line 516 of file remsync.c. References c, EOF, ferror, fp, fprintf(), p, and putc. Referenced by add(), change_modes(), and mkstatefile().

char* rdlink (  const char *  link, off_t  size )

Definition at line 182 of file remsync.c. References allocate(), n, nil, path, and readlink. Referenced by traverse().

char* read1line (  FILE *  fp  )

Definition at line 592 of file remsync.c. References allocate(), c, EOF, exit(), ferror, fp, fprintf(), getc, nil, and stderr. Referenced by apply_differences(), and readstate().

entry_t* readstate (  void   )

Definition at line 797 of file remsync.c. References allocate(), argc, argv, checkstate(), entry::depth, entry, feof, getattributes(), entry::ignore, indent, keep, KEEP_STATE, lineno, entry::link, entry::name, nil, entry::path, path, path_add(), path_init(), path_length, path_name, path_trunc(), read1line(), splitline(), state_syntax(), statefp, and strcmp. Referenced by mkdifferences().

void report (  const char *  label  )

Definition at line 49 of file remsync.c. References errno, excode, fprintf(), stderr, and strerror().

void sort (  namelist_t **  anl  )

Definition at line 197 of file remsync.c. References if(), namelist::name, namelist::next, nil, sort(), and strcmp.

void splitline (  char *  line, char ***  pargv, size_t *  pargc )

Definition at line 653 of file remsync.c. References allocate(), argv, and nil. Referenced by apply_differences(), and readstate().

void state_syntax (  off_t  line  )

Definition at line 790 of file remsync.c. References exit(), fprintf(), state_file, and stderr. Referenced by readstate().

switch (  remote->  type  )

Definition at line 911 of file remsync.c. References COPY, F_BLK, F_CHR, F_DIR, F_FILE, F_LINK, F_PIPE, local, remote, SIMILAR, strcmp, and uflag. Referenced by Do(), do_sigprocmask(), lexi(), m_move(), reduce(), and step().

entry_t* traverse (  void   )

Definition at line 359 of file remsync.c. References allocate(), collect(), copystr(), entry::depth, EINVAL, ENOENT, entries, entry, errno, EXDEV, F_BLK, F_CHR, F_DIR, F_FILE, F_LINK, F_PIPE, entry::gid, entry::ignore, keep, KEEP_TRAVERSE, entry::link, linked(), lstat, entry::mode, entry::mtime, entry::name, nil, NO_DEVICE, entry::path, path, path_add(), path_init(), path_length, path_name, path_trunc(), pop_name(), entry::rdev, rdlink(), report(), S_ISBLK, S_ISCHR, S_ISDIR, S_ISFIFO, S_ISLNK, S_ISREG, entry::size, st, stat::st_dev, stat::st_gid, stat::st_mode, stat::st_mtime, stat::st_rdev, stat::st_size, stat::st_uid, tree, entry::type, entry::uid, xdev, and xflag.

void usage (  void   )

Definition at line 1470 of file remsync.c. References exit(), fprintf(), and stderr.

---

Variable Documentation

enum { ... } cmp

Referenced by bsearch(), cmd_tag(), cmp_fields(), compare(), Findchar(), Findmacro(), Findnum(), Findstr(), inflate_fast(), main(), nm_sort(), Nreq(), qsort1(), search(), search_mnem(), and selected().

int Dflag

Definition at line 39 of file remsync.c. Referenced by cat(), copy(), extract(), and pax_options().

int dflag

Definition at line 36 of file remsync.c.

char* diff_file

Definition at line 357 of file remsync.c. Referenced by apply_add(), checkdiff(), and diff_syntax().

FILE* difffp

Definition at line 356 of file remsync.c. Referenced by add(), apply_add(), apply_differences(), cat(), checkdiff(), and mkdifferences().

return EQUAL

Definition at line 936 of file remsync.c.

int excode = 0

Definition at line 45 of file remsync.c.

int keep

Definition at line 79 of file remsync.c. Referenced by forget(), mkdirp(), readstate(), and traverse().

enum { ... } * remote

Referenced by if(), mkdifferences(), and switch().

int sflag

Definition at line 35 of file remsync.c.

char* state_file

Definition at line 355 of file remsync.c. Referenced by checkstate(), and state_syntax().

FILE* statefp

Definition at line 354 of file remsync.c. Referenced by checkstate(), indent(), mkstatefile(), and readstate().

char* tree

Definition at line 353 of file remsync.c. Referenced by add(), apply_differences(), build_tree(), gen_bitlen(), io(), newtp(), pqdownheap(), scan_tree(), send_tree(), and traverse().

int uflag

Definition at line 37 of file remsync.c.

int vflag

Definition at line 40 of file remsync.c.

dev_t xdev = NO_DEVICE

Definition at line 43 of file remsync.c.

int xflag

Definition at line 38 of file remsync.c.

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