rpm  4.5
Macros | Functions | Variables
fts.c File Reference
#include "system.h"
#include "fts.h"
#include "rpmio.h"
#include "rpmurl.h"
Include dependency graph for fts.c:

Go to the source code of this file.

Macros

#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 /* fts_children */
 
#define BNAMES   2 /* fts_children, names only */
 
#define BREAD   3 /* fts_read */
 
#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.
 

Variables

static int _fts_debug = 0
 

Macro Definition Documentation

#define __close   close

Definition at line 79 of file fts.c.

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

#define __fchdir   fchdir

Definition at line 80 of file fts.c.

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

#define __open   open

Definition at line 78 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 ADJUST (   p)
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 (   p)    (((unsigned long int) (p) + ALIGNBYTES) & ~ALIGNBYTES)

Definition at line 100 of file fts.c.

Referenced by fts_alloc().

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

Definition at line 96 of file fts.c.

Referenced by fts_alloc().

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

Definition at line 93 of file fts.c.

#define BCHILD   1 /* fts_children */

Definition at line 141 of file fts.c.

Referenced by fts_build(), and Fts_children().

#define BNAMES   2 /* fts_children, names only */

Definition at line 142 of file fts.c.

Referenced by fts_build(), and Fts_children().

#define BREAD   3 /* fts_read */

Definition at line 143 of file fts.c.

Referenced by fts_build(), and Fts_read().

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

Definition at line 134 of file fts.c.

Referenced by Fts_read().

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

Definition at line 138 of file fts.c.

Referenced by fts_build(), and Fts_read().

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

Definition at line 132 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 (   p)
Value:
(p->fts_path[p->fts_pathlen - 1] == '/' \
? p->fts_pathlen - 1 : p->fts_pathlen)

Definition at line 384 of file fts.c.

Referenced by fts_build(), and Fts_read().

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

Definition at line 136 of file fts.c.

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

#define USHRT_MAX   65535

Definition at line 84 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
spfile hierarchy state
instr
Returns
file set member

Definition at line 610 of file fts.c.

References __close, __fchdir, __open, __set_errno, _fts_debug, 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
spfile hierarchy state
Returns
0 on sucess, -1 on error

Definition at line 328 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 1138 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 1216 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 1158 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 1232 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
spfile hierarchy state
pfile set member
instrnew disposition for file set member
Returns
0 on sucess, -1 on error

Definition at line 591 of file fts.c.

References __set_errno, _fts_debug, 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 1062 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

Variable Documentation

int _fts_debug = 0
static

Definition at line 104 of file fts.c.

Referenced by Fts_children(), Fts_open(), and Fts_set().