expand.c File Reference

#include "shell.h"
#include "main.h"
#include "nodes.h"
#include "eval.h"
#include "expand.h"
#include "syntax.h"
#include "parser.h"
#include "jobs.h"
#include "options.h"
#include "var.h"
#include "input.h"
#include "output.h"
#include "memalloc.h"
#include "error.h"
#include "mystring.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <dirent.h>

Include dependency graph for expand.c:

Go to the source code of this file.

Data Structures
struct	ifsregion
Defines
#define	MAXLOGNAME   32
#define	MAXPWLINE   128
Functions
STATIC void	argstr ()
STATIC void	expbackq ()
STATIC char *	evalvar ()
STATIC int	varisset ()
STATIC void	varvalue ()
STATIC void	recordregion ()
STATIC void	ifsbreakup ()
STATIC void	expandmeta ()
STATIC void	expmeta ()
STATIC void	addfname ()
STATIC struct strlist *	expsort ()
STATIC struct strlist *	msort ()
STATIC int	pmatch ()
STATIC char *	expudir ()
void	expandhere (union node *arg, int fd)
void	expandarg (union node *arg, struct arglist *arglist, full)
STATIC void	argstr (char *p, full)
STATIC void	expbackq (union node *cmd, quoted, full)
STATIC char *	evalvar (char *p, full)
STATIC int	varisset (char name)
STATIC void	varvalue (char name, quoted, allow_split)
STATIC void	recordregion (start, end, nulonly)
STATIC void	ifsbreakup (char *string, struct arglist *arglist)
STATIC void	expandmeta (struct strlist *str)
char *	pfgets ()
STATIC char *	expudir (char *path)
STATIC void	expmeta (char *enddir, char *name)
STATIC void	addfname (char *name)
STATIC struct strlist *	expsort (struct strlist *str)
STATIC struct strlist *	msort (struct strlist *list, len)
int	patmatch (char *pattern, char *string)
STATIC int	pmatch (char *pattern, char *string)
void	rmescapes (char *str)
int	casematch (union node *pattern, char *val)
Variables
static char	sccsid [] = "@(#)expand.c 5.1 (Berkeley) 3/7/91"
char *	expdest
nodelist *	argbackq
ifsregion	ifsfirst
ifsregion *	ifslastp
arglist	exparg
int	didudir
char *	expdir

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Define Documentation

#define MAXLOGNAME   32

Definition at line 711 of file expand.c. Referenced by expudir().

#define MAXPWLINE   128

Definition at line 712 of file expand.c. Referenced by expudir().

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Function Documentation

STATIC void addfname (  char *  name  )

Definition at line 921 of file expand.c. References exparg, arglist::lastp, strlist::next, scopy, sp, stalloc(), and strlen().

STATIC void addfname (   )

STATIC void argstr (  char *  p, full  )

Definition at line 212 of file expand.c. References argbackq, c, CTLBACKQ, CTLENDVAR, CTLESC, CTLQUOTE, CTLVAR, evalvar(), expbackq(), expdest, and STPUTC.

STATIC void argstr (   )

Referenced by casematch(), evalvar(), and expandarg().

int casematch (  union node *  pattern, char *  val )

Definition at line 1139 of file expand.c. References argbackq, argstr(), expdest, grabstackstr, ifslastp, NULL, patmatch(), popstackmark(), result, setstackmark(), STARTSTACKSTR, and STPUTC. Referenced by evalcase().

STATIC char* evalvar (  char *  p, full  )

Definition at line 325 of file expand.c. References argbackq, argstr(), c, CTLBACKQ, CTLENDVAR, CTLESC, CTLQUOTE, error, errout, expdest, flags, herefd, lookupvar(), shparam::nparam, NULL, nullstr, outfmt(), recordregion(), set(), setvar(), shellparam, special(), stackblock, STACKSTRNUL, STADJUST, STPUTC, strchr, syntax, val, varisset(), varvalue(), VSASSIGN, VSMINUS, VSNORMAL, VSNUL, VSPLUS, VSQUOTE, and VSTYPE.

STATIC char* evalvar (   )

Referenced by argstr().

void expandarg (  union node *  arg, struct arglist *  arglist, full  )

Definition at line 157 of file expand.c. References argbackq, argstr(), ckfree, didudir, expandmeta(), exparg, expdest, grabstackstr, ifsbreakup(), ifsfirst, ifslastp, INTOFF, INTON, arglist::lastp, arglist::list, ifsregion::next, NULL, p, sp, stalloc(), STARTSTACKSTR, and STPUTC. Referenced by evalcase(), evalcommand(), evalfor(), expandhere(), and expredir().

void expandhere (  union node *  arg, int  fd )

Definition at line 139 of file expand.c. References expandarg(), expdest, herefd, NULL, stackblock, and xwrite(). Referenced by openhere().

STATIC void expandmeta (  struct strlist *  str  )

Definition at line 646 of file expand.c. References c, ckmalloc(), exparg, expudir(), fflag, i, INTOFF, arglist::lastp, NULL, sp, and strlen().

STATIC void expandmeta (   )

Referenced by expandarg().

STATIC void expbackq (  union node *  cmd, quoted  , full  )

Definition at line 249 of file expand.c. References argbackq, EINTR, errno, evalbackcmd(), expdest, grabstackstr, herefd, i, if(), ifsfirst, ifslastp, in, INTOFF, p, read, stackblock, syntax, TRACE, and ungrabstackstr().

STATIC void expbackq (   )

Referenced by argstr().

STATIC void expmeta (  char *  enddir, char *  name )

Definition at line 805 of file expand.c. References CTLESC, and start.

STATIC void expmeta (   )

STATIC struct strlist* expsort (  struct strlist *  str  )

Definition at line 943 of file expand.c. References msort(), and sp.

STATIC struct strlist* expsort (   )

STATIC char* expudir (  char *  path  )

Definition at line 718 of file expand.c. References didudir, endpwent(), getpwnam(), i, lookupvar(), MAXLOGNAME, MAXPWLINE, NULL, pfgets(), popfile(), prefix, passwd::pw_dir, r, scopy, setinputfile(), stalloc(), strlen(), and TRACE.

STATIC char* expudir (   )

Referenced by expandmeta().

STATIC void ifsbreakup (  char *  string, struct arglist *  arglist )

Definition at line 575 of file expand.c. References ifsregion::begoff, CTLESC, ifsregion::endoff, if(), ifs, ifsfirst, ifslastp, ifsval, arglist::lastp, strlist::next, NULL, nullstr, ifsregion::nulonly, sp, stalloc(), start, and strchr.

STATIC void ifsbreakup (   )

Referenced by expandarg().

STATIC struct strlist* msort (  struct strlist *  list, len  )

Definition at line 957 of file expand.c. References n, and p.

STATIC struct strlist* msort (   )

Referenced by expsort().

int patmatch (  char *  pattern, char *  string )

Definition at line 1004 of file expand.c. References pmatch(). Referenced by casematch().

char* pfgets (   )

Referenced by expudir().

STATIC int pmatch (  char *  pattern, char *  string )

Definition at line 1016 of file expand.c. References c, and CTLESC.

STATIC int pmatch (   )

Referenced by matcher(), patmatch(), and regexec().

STATIC void recordregion (  start  , end  , nulonly  )

Definition at line 550 of file expand.c. References ifsregion::begoff, ckmalloc(), ifsregion::endoff, ifsfirst, ifslastp, ifsregion::next, NULL, ifsregion::nulonly, and start.

STATIC void recordregion (   )

Referenced by evalvar().

void rmescapes (  char *  str  )

Definition at line 1113 of file expand.c. References CTLESC. Referenced by parsefname().

STATIC int varisset (  char  name  )

Definition at line 431 of file expand.c. References backgndpid, NULL, shparam::p, and shellparam.

STATIC int varisset (   )

Referenced by evalvar().

STATIC void varvalue (  char  name, quoted  , allow_split  )

Definition at line 459 of file expand.c. References backgndpid, expdest, i, shparam::nparam, num(), oexitstatus, optchar, optval, p, rootpid, sep, shellparam, STPUTC, and syntax.

STATIC void varvalue (   )

Referenced by evalvar().

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Variable Documentation

struct nodelist* argbackq

Definition at line 83 of file expand.c. Referenced by argstr(), casematch(), evalvar(), expandarg(), and expbackq().

int didudir

Definition at line 92 of file expand.c. Referenced by docd(), expandarg(), and expudir().

struct arglist exparg

Definition at line 86 of file expand.c. Referenced by addfname(), expandarg(), and expandmeta().

char* expdest

Definition at line 82 of file expand.c. Referenced by argstr(), casematch(), evalvar(), expandarg(), expandhere(), expbackq(), and varvalue().

char* expdir

Definition at line 642 of file expand.c.

struct ifsregion ifsfirst

Definition at line 84 of file expand.c. Referenced by expandarg(), expbackq(), ifsbreakup(), and recordregion().

struct ifsregion* ifslastp

Definition at line 85 of file expand.c. Referenced by casematch(), expandarg(), expbackq(), ifsbreakup(), and recordregion().

char sccsid[] = "@(#)expand.c 5.1 (Berkeley) 3/7/91" [static]

Definition at line 38 of file expand.c.

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