summaryrefslogtreecommitdiffstats
path: root/gnu/usr.bin/tar/names.c
diff options
context:
space:
mode:
Diffstat (limited to 'gnu/usr.bin/tar/names.c')
-rw-r--r--gnu/usr.bin/tar/names.c149
1 files changed, 0 insertions, 149 deletions
diff --git a/gnu/usr.bin/tar/names.c b/gnu/usr.bin/tar/names.c
deleted file mode 100644
index 0de6a88..0000000
--- a/gnu/usr.bin/tar/names.c
+++ /dev/null
@@ -1,149 +0,0 @@
-/* Look up user and/or group names.
- Copyright (C) 1988, 1992 Free Software Foundation
-
-This file is part of GNU Tar.
-
-GNU Tar 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, or (at your option)
-any later version.
-
-GNU Tar 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 GNU Tar; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-/*
- * Look up user and/or group names.
- *
- * This file should be modified for non-unix systems to do something
- * reasonable.
- */
-
-#include <sys/types.h>
-#include "tar.h"
-#include "port.h"
-
-#ifndef NONAMES
-/* Whole module goes away if NONAMES defined. Otherwise... */
-#include <stdio.h>
-#include <pwd.h>
-#include <grp.h>
-
-static int saveuid = -993;
-static char saveuname[TUNMLEN];
-static int my_uid = -993;
-
-static int savegid = -993;
-static char savegname[TGNMLEN];
-static int my_gid = -993;
-
-#define myuid ( my_uid < 0? (my_uid = getuid()): my_uid )
-#define mygid ( my_gid < 0? (my_gid = getgid()): my_gid )
-
-/*
- * Look up a user or group name from a uid/gid, maintaining a cache.
- * FIXME, for now it's a one-entry cache.
- * FIXME2, the "-993" is to reduce the chance of a hit on the first lookup.
- *
- * This is ifdef'd because on Suns, it drags in about 38K of "yellow
- * pages" code, roughly doubling the program size. Thanks guys.
- */
-void
-finduname (uname, uid)
- char uname[TUNMLEN];
- int uid;
-{
- struct passwd *pw;
-#ifndef HAVE_GETPWUID
- extern struct passwd *getpwuid ();
-#endif
-
- if (uid != saveuid)
- {
- saveuid = uid;
- saveuname[0] = '\0';
- pw = getpwuid (uid);
- if (pw)
- strncpy (saveuname, pw->pw_name, TUNMLEN);
- }
- strncpy (uname, saveuname, TUNMLEN);
-}
-
-int
-finduid (uname)
- char uname[TUNMLEN];
-{
- struct passwd *pw;
- extern struct passwd *getpwnam ();
-
- if (uname[0] != saveuname[0] /* Quick test w/o proc call */
- || 0 != strncmp (uname, saveuname, TUNMLEN))
- {
- strncpy (saveuname, uname, TUNMLEN);
- pw = getpwnam (uname);
- if (pw)
- {
- saveuid = pw->pw_uid;
- }
- else
- {
- saveuid = myuid;
- }
- }
- return saveuid;
-}
-
-
-void
-findgname (gname, gid)
- char gname[TGNMLEN];
- int gid;
-{
- struct group *gr;
-#ifndef HAVE_GETGRGID
- extern struct group *getgrgid ();
-#endif
-
- if (gid != savegid)
- {
- savegid = gid;
- savegname[0] = '\0';
- (void) setgrent ();
- gr = getgrgid (gid);
- if (gr)
- strncpy (savegname, gr->gr_name, TGNMLEN);
- }
- (void) strncpy (gname, savegname, TGNMLEN);
-}
-
-
-int
-findgid (gname)
- char gname[TUNMLEN];
-{
- struct group *gr;
- extern struct group *getgrnam ();
-
- if (gname[0] != savegname[0] /* Quick test w/o proc call */
- || 0 != strncmp (gname, savegname, TUNMLEN))
- {
- strncpy (savegname, gname, TUNMLEN);
- gr = getgrnam (gname);
- if (gr)
- {
- savegid = gr->gr_gid;
- }
- else
- {
- savegid = mygid;
- }
- }
- return savegid;
-}
-
-#endif
OpenPOWER on IntegriCloud