rpmio/fts.c File Reference

#include "system.h"
#include "fts.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include "glob.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <assert.h>
#include "debug.h"
Include dependency graph for fts.c:
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Defines

#define _D_EXACT_NAMLEN(d)   (strlen((d)->d_name))
#define __set_errno(val)   (*__errno_location ()) = (val)
#define __open   open
#define __close   close
#define __fchdir   fchdir
#define USHRT_MAX   65535
#define alignof(TYPE)   ((int) &((struct { char dummy1; TYPE dummy2; } *) 0)->dummy2)
#define ALIGNBYTES   (alignof(long double) - 1)
#define ALIGN(p)   (((unsigned long int) (p) + ALIGNBYTES) & ~ALIGNBYTES)
#define ISDOT(a)   (a[0] == '.' && (!a[1] || (a[1] == '.' && !a[2])))
#define CLR(opt)   (sp->fts_options &= ~(opt))
#define ISSET(opt)   (sp->fts_options & (opt))
#define SET(opt)   (sp->fts_options |= (opt))
#define FCHDIR(sp, fd)   (!ISSET(FTS_NOCHDIR) && __fchdir(fd))
#define BCHILD   1
#define BNAMES   2
#define BREAD   3
#define MAXPATHLEN   1024
#define NAPPEND(p)
#define __opendir2(path, flag)   (*sp->fts_opendir) (path)
#define ADJUST(p)

Functions

static FTSENTfts_alloc (FTS *sp, const char *name, int namelen)
static FTSENTfts_build (FTS *sp, int type)
static void fts_lfree (FTSENT *head)
static void fts_load (FTS *sp, FTSENT *p)
static size_t fts_maxarglen (char *const *argv)
static void fts_padjust (FTS *sp, FTSENT *head)
static int fts_palloc (FTS *sp, size_t more)
static FTSENTfts_sort (FTS *sp, FTSENT *head, int nitems)
static u_short fts_stat (FTS *sp, FTSENT *p, int follow)
static int fts_safe_changedir (FTS *sp, FTSENT *p, int fd, const char *path)
FTSFts_open (char *const *argv, int options, int(*compar)(const FTSENT **, const FTSENT **))
 Create a handle for file hierarchy traversal.
int Fts_close (FTS *sp)
 Destroy a file hierarchy traversal handle.
FTSENTFts_read (FTS *sp)
 Return next node in the file hierarchy traversal.
int Fts_set (FTS *sp, FTSENT *p, int instr)
 Modify the traversal for a file set member.
FTSENTFts_children (FTS *sp, int instr)
 Return list of children of the current node.

Define Documentation

#define __close   close

Definition at line 134 of file fts.c.

Referenced by Fts_children(), Fts_close(), Fts_read(), and fts_safe_changedir().

#define __fchdir   fchdir

Definition at line 135 of file fts.c.

Referenced by Fts_children(), Fts_close(), and fts_safe_changedir().

#define __open   open

Definition at line 133 of file fts.c.

Referenced by Fts_children(), Fts_open(), Fts_read(), and fts_safe_changedir().

#define __opendir2 ( path,
flag   )     (*sp->fts_opendir) (path)

Referenced by fts_build().

#define __set_errno ( val   )     (*__errno_location ()) = (val)
#define _D_EXACT_NAMLEN (  )     (strlen((d)->d_name))

Definition at line 126 of file fts.c.

Referenced by fts_build().

#define ADJUST (  ) 
Value:
do {                                                    \
        if ((p)->fts_accpath != (p)->fts_name) {                        \
                (p)->fts_accpath =                                      \
                    (char *)addr + ((p)->fts_accpath - (p)->fts_path);  \
        }                                                               \
        (p)->fts_path = addr;                                           \
} while (0)

Referenced by fts_padjust().

#define ALIGN (  )     (((unsigned long int) (p) + ALIGNBYTES) & ~ALIGNBYTES)

Definition at line 155 of file fts.c.

Referenced by fts_alloc().

#define ALIGNBYTES   (alignof(long double) - 1)

Definition at line 151 of file fts.c.

Referenced by fts_alloc().

#define alignof ( TYPE   )     ((int) &((struct { char dummy1; TYPE dummy2; } *) 0)->dummy2)

Definition at line 148 of file fts.c.

#define BCHILD   1

Definition at line 193 of file fts.c.

Referenced by fts_build(), and Fts_children().

#define BNAMES   2

Definition at line 194 of file fts.c.

Referenced by fts_build(), and Fts_children().

#define BREAD   3

Definition at line 195 of file fts.c.

Referenced by fts_build(), and Fts_read().

#define CLR ( opt   )     (sp->fts_options &= ~(opt))

Definition at line 186 of file fts.c.

Referenced by Fts_read().

#define FCHDIR ( sp,
fd   )     (!ISSET(FTS_NOCHDIR) && __fchdir(fd))

Definition at line 190 of file fts.c.

Referenced by fts_build(), and Fts_read().

#define ISDOT (  )     (a[0] == '.' && (!a[1] || (a[1] == '.' && !a[2])))

Definition at line 184 of file fts.c.

Referenced by fts_build(), and fts_stat().

#define ISSET ( opt   )     (sp->fts_options & (opt))
#define MAXPATHLEN   1024

Referenced by Fts_open().

#define NAPPEND (  ) 
Value:
(p->fts_path[p->fts_pathlen - 1] == '/'                         \
            ? p->fts_pathlen - 1 : p->fts_pathlen)

Definition at line 415 of file fts.c.

Referenced by fts_build(), and Fts_read().

#define SET ( opt   )     (sp->fts_options |= (opt))

Definition at line 188 of file fts.c.

Referenced by fts_build(), Fts_children(), Fts_open(), and Fts_read().

#define USHRT_MAX   65535

Definition at line 139 of file fts.c.

Referenced by fts_build(), and fts_palloc().


Function Documentation

static FTSENT * fts_alloc ( FTS sp,
const char *  name,
int  namelen 
) [static]
static FTSENT * fts_build ( FTS sp,
int  type 
) [static]
FTSENT* Fts_children ( FTS sp,
int  instr 
)

Return list of children of the current node.

Parameters:
sp file hierarchy state
instr 
Returns:
file set member

Definition at line 628 of file fts.c.

References __close, __fchdir, __open, __set_errno, BCHILD, BNAMES, _ftsent::fts_accpath, fts_build(), FTS::fts_child, FTS::fts_cur, FTS_D, _ftsent::fts_info, FTS_INIT, _ftsent::fts_level, fts_lfree(), _ftsent::fts_link, FTS_NAMEONLY, FTS_NOCHDIR, FTS_ROOTLEVEL, FTS_STOP, ISSET, and SET.

Referenced by rpmfts_Children().

int Fts_close ( FTS sp  ) 

Destroy a file hierarchy traversal handle.

Parameters:
sp file hierarchy state
Returns:
0 on sucess, -1 on error

Definition at line 363 of file fts.c.

References __close, __fchdir, __set_errno, errno, FTS::fts_array, FTS::fts_child, FTS::fts_cur, _ftsent::fts_level, fts_lfree(), _ftsent::fts_link, FTS_NOCHDIR, _ftsent::fts_parent, FTS::fts_path, FTS::fts_rfd, FTS_ROOTLEVEL, and ISSET.

Referenced by recurseDir(), rpmfts_state(), rpmgiFree(), and rpmgiNext().

static void fts_lfree ( FTSENT head  )  [static]

Definition at line 1135 of file fts.c.

References _ftsent::fts_link.

Referenced by fts_build(), Fts_children(), Fts_close(), Fts_open(), and Fts_read().

static void fts_load ( FTS sp,
FTSENT p 
) [static]
static size_t fts_maxarglen ( char *const *  argv  )  [static]

Definition at line 1209 of file fts.c.

Referenced by Fts_open().

FTS* Fts_open ( char *const *  argv,
int  options,
int(*)(const FTSENT **, const FTSENT **)  compar 
)
static void fts_padjust ( FTS sp,
FTSENT head 
) [static]
static int fts_palloc ( FTS sp,
size_t  more 
) [static]

Definition at line 1153 of file fts.c.

References __set_errno, FTS::fts_path, FTS::fts_pathlen, and USHRT_MAX.

Referenced by fts_build(), and Fts_open().

FTSENT* Fts_read ( FTS sp  ) 
static int fts_safe_changedir ( FTS sp,
FTSENT p,
int  fd,
const char *  path 
) [static]

Definition at line 1225 of file fts.c.

References __close, __fchdir, __open, __set_errno, errno, _ftsent::fts_dev, _ftsent::fts_ino, FTS_NOCHDIR, and ISSET.

Referenced by fts_build(), and Fts_read().

int Fts_set ( FTS sp,
FTSENT p,
int  instr 
)

Modify the traversal for a file set member.

Parameters:
sp file hierarchy state
p file set member
instr new disposition for file set member
Returns:
0 on sucess, -1 on error

Definition at line 616 of file fts.c.

References __set_errno, FTS_AGAIN, FTS_FOLLOW, _ftsent::fts_instr, FTS_NOINSTR, and FTS_SKIP.

Referenced by rpmfts_Set().

static FTSENT * fts_sort ( FTS sp,
FTSENT head,
int  nitems 
) [static]

Definition at line 1063 of file fts.c.

References FTS::fts_array, FTS::fts_compar, _ftsent::fts_link, and FTS::fts_nitems.

Referenced by fts_build(), and Fts_open().

static u_short fts_stat ( FTS sp,
FTSENT p,
int  follow 
) [static]
Generated on Wed Jun 30 10:56:49 2010 for rpm by  doxygen 1.6.3