96 lines
2.2 KiB
C
96 lines
2.2 KiB
C
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/* locfil.c
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Expand a file name on the local system.
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Copyright (C) 1991, 1992 Ian Lance Taylor
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This file is part of the Taylor UUCP package.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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The author of the program may be contacted at ian@airs.com or
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c/o Infinity Development Systems, P.O. Box 520, Waltham, MA 02254.
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*/
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#include "uucp.h"
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#include "uudefs.h"
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#include "sysdep.h"
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#include "system.h"
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#include <pwd.h>
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#if GETPWNAM_DECLARATION_OK
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#ifndef getpwnam
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extern struct passwd *getpwnam ();
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#endif
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#endif
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/* Turn a file name into an absolute path, by doing tilde expansion
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and moving any other type of file into the public directory. */
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char *
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zsysdep_local_file (zfile, zpubdir)
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const char *zfile;
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const char *zpubdir;
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{
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const char *zdir;
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if (*zfile == '/')
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return zbufcpy (zfile);
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if (*zfile != '~')
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zdir = zpubdir;
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else
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{
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if (zfile[1] == '\0')
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return zbufcpy (zpubdir);
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if (zfile[1] == '/')
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{
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zdir = zpubdir;
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zfile += 2;
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}
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else
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{
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size_t cuserlen;
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char *zcopy;
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struct passwd *q;
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++zfile;
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cuserlen = strcspn ((char *) zfile, "/");
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zcopy = zbufalc (cuserlen + 1);
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memcpy (zcopy, zfile, cuserlen);
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zcopy[cuserlen] = '\0';
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q = getpwnam (zcopy);
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if (q == NULL)
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{
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ulog (LOG_ERROR, "User %s not found", zcopy);
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ubuffree (zcopy);
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return NULL;
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}
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ubuffree (zcopy);
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if (zfile[cuserlen] == '\0')
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return zbufcpy (q->pw_dir);
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zdir = q->pw_dir;
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zfile += cuserlen + 1;
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}
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}
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return zsysdep_in_dir (zdir, zfile);
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}
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