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PUSHPOP.C
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1993-06-15
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/*--------------------------------------------------------------------*/
/* p u s h p o p . c */
/* */
/* Directory functions for UUPC/extended */
/* */
/* Changes Copyright (c) 1989 - 1993 by Kendra Electronic */
/* Wonderworks. All rights reserved except as explicitly */
/* granted by the UUPC/extended license. */
/*--------------------------------------------------------------------*/
/*
* $Id: pushpop.c 1.5 1993/06/15 12:37:16 ahd Exp $
*
* $Log: pushpop.c $
* Revision 1.5 1993/06/15 12:37:16 ahd
* Correct compile warning message about const assignment
*
* Revision 1.4 1993/06/15 12:18:06 ahd
* Save pushed directory name for debugging
*
* Revision 1.3 1993/06/13 14:06:00 ahd
* Insure directories PUSHED are POPPED
*
* Revision 1.2 1992/11/22 21:06:14 ahd
* Use strpool for memory allocation
*
*/
/*--------------------------------------------------------------------*/
/* System include files */
/*--------------------------------------------------------------------*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <direct.h>
#include <string.h>
/*--------------------------------------------------------------------*/
/* UUPC/extended include files */
/*--------------------------------------------------------------------*/
#include "lib.h"
#include "pushpop.h"
#define MAXDEPTH 10
/*--------------------------------------------------------------------*/
/* Global variables */
/*--------------------------------------------------------------------*/
static char *dirstack[MAXDEPTH];
static depth = 0;
currentfile();
/*--------------------------------------------------------------------*/
/* Change to a directory and push on our stack */
/*--------------------------------------------------------------------*/
void PushDir( const char *directory )
{
char cwd[FILENAME_MAX];
if ( depth >= MAXDEPTH )
panic();
#ifdef __TURBOC__
dirstack[depth] = newstr( getcwd( cwd , FILENAME_MAX ));
#else
#ifdef __GNUC__
dirstack[depth] = newstr( getcwd( cwd , FILENAME_MAX ) );
#else
dirstack[depth] = newstr( _getdcwd( 0, cwd , FILENAME_MAX ) );
#endif
#endif
if (dirstack[depth] == NULL )
{
printerr("getcwd");
panic();
}
CHDIR( directory );
E_cwd = equal(directory,".") ? dirstack[depth] : (char *) directory;
depth++;
return;
} /* PushDir */
/*--------------------------------------------------------------------*/
/* Return to a directory saved by PushDir */
/*--------------------------------------------------------------------*/
void PopDir( void )
{
if ( depth == 0 )
panic();
CHDIR( dirstack[--depth] );
E_cwd = dirstack[depth];
return;
} /* PopDir */