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/* locfil.c
Expand a file name on the local system.
Copyright (C) 1991, 1992, 1993 Ian Lance Taylor
This file is part of the Taylor UUCP package.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
The author of the program may be contacted at ian@airs.com or
c/o Cygnus Support, Building 200, 1 Kendall Square, Cambridge, MA 02139.
*/
#include "uucp.h"
#include "uudefs.h"
#include "sysdep.h"
#include "system.h"
#include <pwd.h>
#if GETPWNAM_DECLARATION_OK
#ifndef getpwnam
extern struct passwd *getpwnam ();
#endif
#endif
/* Turn a file name into an absolute path, by doing tilde expansion
and moving any other type of file into the public directory. */
char *
zsysdep_local_file (zfile, zpubdir, pfbadname)
const char *zfile;
const char *zpubdir;
boolean *pfbadname;
{
const char *zdir;
if (pfbadname != NULL)
*pfbadname = FALSE;
if (*zfile == '/')
return zbufcpy (zfile);
if (*zfile != '~')
zdir = zpubdir;
else
{
if (zfile[1] == '\0')
return zbufcpy (zpubdir);
if (zfile[1] == '/')
{
zdir = zpubdir;
zfile += 2;
}
else
{
size_t cuserlen;
char *zcopy;
struct passwd *q;
++zfile;
cuserlen = strcspn ((char *) zfile, "/");
zcopy = zbufalc (cuserlen + 1);
memcpy (zcopy, zfile, cuserlen);
zcopy[cuserlen] = '\0';
q = getpwnam (zcopy);
if (q == NULL)
{
ulog (LOG_ERROR, "User %s not found", zcopy);
ubuffree (zcopy);
if (pfbadname != NULL)
*pfbadname = TRUE;
return NULL;
}
ubuffree (zcopy);
if (zfile[cuserlen] == '\0')
return zbufcpy (q->pw_dir);
zdir = q->pw_dir;
zfile += cuserlen + 1;
}
}
return zsysdep_in_dir (zdir, zfile);
}
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