diff options
Diffstat (limited to 'contrib/cvs/lib/rename.c')
-rw-r--r-- | contrib/cvs/lib/rename.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/contrib/cvs/lib/rename.c b/contrib/cvs/lib/rename.c deleted file mode 100644 index 8dc0239..0000000 --- a/contrib/cvs/lib/rename.c +++ /dev/null @@ -1,80 +0,0 @@ -/* rename.c -- BSD compatible directory function for System V - Copyright (C) 1988, 1990 Free Software Foundation, Inc. - - 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, 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. */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <sys/types.h> -#include <sys/stat.h> -#include <errno.h> -#ifndef STDC_HEADERS -extern int errno; -#endif - -/* Rename file FROM to file TO. - Return 0 if successful, -1 if not. */ - -int -rename (from, to) - char *from; - char *to; -{ - struct stat from_stats; - int pid, status; - - if (stat (from, &from_stats) == 0) - { - /* We don't check existence_error because the systems which need it - have rename(). */ - if (CVS_UNLINK (to) && errno != ENOENT) - return -1; - if ((from_stats.st_mode & S_IFMT) == S_IFDIR) - { -#ifdef MVDIR - /* I don't think MVDIR ever gets defined, but I don't think - it matters, because I don't think CVS ever calls rename() - on directories. */ - - /* Need a setuid root process to link and unlink directories. */ - pid = fork (); - switch (pid) - { - case -1: /* Error. */ - error (1, errno, "cannot fork"); - - case 0: /* Child. */ - execl (MVDIR, "mvdir", from, to, (char *) 0); - error (255, errno, "cannot run `%s'", MVDIR); - - default: /* Parent. */ - while (wait (&status) != pid) - /* Do nothing. */ ; - - errno = 0; /* mvdir printed the system error message. */ - return status != 0 ? -1 : 0; - } -#else /* no MVDIR */ - error (1, 0, "internal error: cannot move directories"); -#endif /* no MVDIR */ - } - else - { - /* We don't check existence_error because the systems which need it - have rename(). */ - if (link (from, to) == 0 && (CVS_UNLINK (from) == 0 || errno == ENOENT)) - return 0; - } - } - return -1; -} |