1 /* tmpfil.c
2 Get a temporary file name.
3
4 Copyright (C) 1991, 1992, 1993, 2002 Ian Lance Taylor
5
6 This file is part of the Taylor UUCP package.
7
8 This program is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as
10 published by the Free Software Foundation; either version 2 of the
11 License, or (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
21
22 The author of the program may be contacted at ian@airs.com.
23 */
24
25 #include "uucp.h"
26
27 #include "uudefs.h"
28 #include "uuconf.h"
29 #include "system.h"
30 #include "sysdep.h"
31
32 #define ZDIGS \
33 "0123456789abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-"
34 #define CDIGS (sizeof ZDIGS - 1)
35
36 /*ARGSUSED*/
37 char *
zstemp_file(qsys)38 zstemp_file (qsys)
39 const struct uuconf_system *qsys ATTRIBUTE_UNUSED;
40 {
41 static unsigned int icount;
42 const char *const zdigs = ZDIGS;
43 char ab[14];
44 pid_t ime;
45 int iset;
46
47 ab[0] = 'T';
48 ab[1] = 'M';
49 ab[2] = '.';
50
51 ime = getpid ();
52 iset = 3;
53 while (ime > 0 && iset < 10)
54 {
55 ab[iset] = zdigs[ime % CDIGS];
56 ime /= CDIGS;
57 ++iset;
58 }
59
60 ab[iset] = '.';
61 ++iset;
62
63 ab[iset] = zdigs[icount / CDIGS];
64 ++iset;
65 ab[iset] = zdigs[icount % CDIGS];
66 ++iset;
67
68 ab[iset] = '\0';
69
70 ++icount;
71 if (icount >= CDIGS * CDIGS)
72 icount = 0;
73
74 #if SPOOLDIR_V2 || SPOOLDIR_BSD42
75 return zbufcpy (ab);
76 #endif
77 #if SPOOLDIR_BSD43 || SPOOLDIR_ULTRIX || SPOOLDIR_TAYLOR
78 return zsysdep_in_dir (".Temp", ab);
79 #endif
80 #if SPOOLDIR_HDB || SPOOLDIR_SVR4
81 return zsysdep_in_dir (qsys->uuconf_zname, ab);
82 #endif
83 }
84