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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- The author of the program may be contacted at ian@airs.com or
- c/o Cygnus Support, 48 Grove Street, Somerville, MA 02144.
- */
-
- #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);
- }
-