dirstack.c File Reference

#include "precomp.h"

Include dependency graph for dirstack.c:

Go to the source code of this file.

Classes
struct	tagDIRENTRY

Typedefs
typedef struct tagDIRENTRY	DIRENTRY
typedef struct tagDIRENTRY *	LPDIRENTRY

Functions
static INT	PushDirectory (LPTSTR pszPath)
static VOID	PopDirectory (VOID)
VOID	InitDirectoryStack (VOID)
VOID	DestroyDirectoryStack (VOID)
INT	GetDirectoryStackDepth (VOID)
INT	CommandPushd (LPTSTR rest)
INT	CommandPopd (LPTSTR rest)
INT	CommandDirs (LPTSTR rest)

Variables
static INT	nStackDepth
static LPDIRENTRY	lpStackTop
static LPDIRENTRY	lpStackBottom

Typedef Documentation

DIRENTRY

typedef struct tagDIRENTRY DIRENTRY

LPDIRENTRY

typedef struct tagDIRENTRY * LPDIRENTRY

Function Documentation

CommandDirs()

INT CommandDirs

(

LPTSTR

rest

)

Definition at line 154 of file dirstack.c.

{
    LPDIRENTRY lpDir;
 
    if (!_tcsncmp(rest, _T("/?"), 2))
    {
        ConOutResPuts(STRING_DIRSTACK_HELP3);
        return 0;
    }
 
    nErrorLevel = 0;
 
    lpDir = lpStackBottom;
 
    if (lpDir == NULL)
    {
        ConOutResPuts(STRING_DIRSTACK_HELP4);
        return 0;
    }
 
    while (lpDir != NULL)
    {
        ConOutPuts(lpDir->szPath);
        lpDir = lpDir->prev;
    }
 
    return 0;
}

CommandPopd()

INT CommandPopd

(

LPTSTR

rest

)

Definition at line 132 of file dirstack.c.

{
    INT ret = 0;
    if (!_tcsncmp(rest, _T("/?"), 2))
    {
        ConOutResPuts(STRING_DIRSTACK_HELP2);
        return 0;
    }
 
    if (nStackDepth == 0)
        return 1;
 
    ret = _tchdir(lpStackTop->szPath) != 0;
    PopDirectory ();
 
    return ret;
}

CommandPushd()

INT CommandPushd

(

LPTSTR

rest

)

Definition at line 107 of file dirstack.c.

{
    TCHAR curPath[MAX_PATH];
 
    if (!_tcsncmp (rest, _T("/?"), 2))
    {
        ConOutResPuts(STRING_DIRSTACK_HELP1);
        return 0;
    }
 
    GetCurrentDirectory (MAX_PATH, curPath);
 
    if (rest[0] != _T('\0'))
    {
        if (!SetRootPath(NULL, rest))
            return 1;
    }
 
    return PushDirectory(curPath);
}

DestroyDirectoryStack()

VOID DestroyDirectoryStack

(

VOID

)

Definition at line 91 of file dirstack.c.

{
    while (nStackDepth)
        PopDirectory ();
}

Referenced by Cleanup().

GetDirectoryStackDepth()

INT GetDirectoryStackDepth

(

VOID

)

Definition at line 98 of file dirstack.c.

{
    return nStackDepth;
}

Referenced by PrintPrompt().

InitDirectoryStack()

VOID InitDirectoryStack

(

VOID

)

Definition at line 80 of file dirstack.c.

{
    nStackDepth = 0;
    lpStackTop = NULL;
    lpStackBottom = NULL;
}

Referenced by Initialize().

PopDirectory()

static VOID PopDirectory ( VOID  )

static

Definition at line 62 of file dirstack.c.

{
    LPDIRENTRY lpDir = lpStackTop;
    lpStackTop = lpDir->next;
    if (lpStackTop != NULL)
        lpStackTop->prev = NULL;
    else
        lpStackBottom = NULL;
 
    cmd_free (lpDir);
 
    nStackDepth--;
}

Referenced by CommandPopd(), and DestroyDirectoryStack().

PushDirectory()

static INT PushDirectory ( LPTSTR  pszPath )

static

Definition at line 35 of file dirstack.c.

{
    LPDIRENTRY lpDir = cmd_alloc(FIELD_OFFSET(DIRENTRY, szPath[_tcslen(pszPath) + 1]));
    if (!lpDir)
    {
        WARN("Cannot allocate memory for lpDir\n");
        error_out_of_memory();
        return -1;
    }
 
    lpDir->prev = NULL;
    lpDir->next = lpStackTop;
    if (lpStackTop == NULL)
        lpStackBottom = lpDir;
    else
        lpStackTop->prev = lpDir;
    lpStackTop = lpDir;
 
    _tcscpy(lpDir->szPath, pszPath);
 
    nStackDepth++;
 
    return nErrorLevel = 0;
}

Referenced by CommandPushd().

Variable Documentation

lpStackBottom

LPDIRENTRY lpStackBottom

static

Definition at line 31 of file dirstack.c.

Referenced by CommandDirs(), InitDirectoryStack(), PopDirectory(), and PushDirectory().

lpStackTop

LPDIRENTRY lpStackTop

static

Definition at line 30 of file dirstack.c.

Referenced by CommandPopd(), InitDirectoryStack(), PopDirectory(), and PushDirectory().

nStackDepth

INT nStackDepth

static

Definition at line 29 of file dirstack.c.

Referenced by CommandPopd(), DestroyDirectoryStack(), GetDirectoryStackDepth(), InitDirectoryStack(), PopDirectory(), and PushDirectory().