75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
#ifndef lint
|
|
static const char *rcsid = "$Id: pen.c,v 1.2 1993/09/04 05:06:51 jkh Exp $";
|
|
#endif
|
|
|
|
/*
|
|
* FreeBSD install - a package for the installation and maintainance
|
|
* of non-core utilities.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* Jordan K. Hubbard
|
|
* 18 July 1993
|
|
*
|
|
* Routines for managing the "play pen".
|
|
*
|
|
*/
|
|
|
|
#include "lib.h"
|
|
|
|
/* For keeping track of where we are */
|
|
static char Cwd[FILENAME_MAX];
|
|
static char Pen[FILENAME_MAX];
|
|
|
|
|
|
/*
|
|
* Make a temporary directory to play in and chdir() to it, returning
|
|
* pathname of previous working directory.
|
|
*/
|
|
char *
|
|
make_playpen(char *pen)
|
|
{
|
|
if (!pen)
|
|
pen = "/tmp/instmp.XXXXXX";
|
|
if (!getcwd(Cwd, FILENAME_MAX))
|
|
upchuck("getcwd");
|
|
strcpy(Pen, pen);
|
|
if (!mktemp(Pen))
|
|
barf("Can't mktemp '%s'.", Pen);
|
|
if (mkdir(Pen, 0755) == FAIL)
|
|
barf("Can't mkdir '%s'.", Pen);
|
|
if (chdir(Pen) == FAIL)
|
|
barf("Can't chdir to '%s'.", Pen);
|
|
return Cwd;
|
|
}
|
|
|
|
/* Convenience routine for getting out of playpen */
|
|
void
|
|
leave_playpen(void)
|
|
{
|
|
if (Cwd[0]) {
|
|
if (chdir(Cwd) == FAIL)
|
|
barf("Can't chdir back to '%s'.", Cwd);
|
|
if (vsystem("rm -rf %s", Pen))
|
|
fprintf(stderr, "Couldn't remove temporary dir '%s'\n", Pen);
|
|
Cwd[0] = '\0';
|
|
}
|
|
}
|
|
|
|
/* Accessor function for telling us where the pen is */
|
|
char *
|
|
where_playpen(void)
|
|
{
|
|
if (Cwd[0])
|
|
return Pen;
|
|
else
|
|
return NULL;
|
|
}
|