/* $OpenBSD: misc.c,v 1.7 2009/10/27 23:59:35 deraadt Exp $ */ /* $NetBSD: misc.c,v 1.6 1995/03/26 03:27:55 glass Exp $ */ /*- * Copyright (c) 1990, 1993, 1994 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Hugh Smith at The University of Guelph. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <sys/param.h> #include <dirent.h> #include <err.h> #include <errno.h> #include <signal.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include "archive.h" #include "extern.h" #include "pathnames.h" char *tname = "temporary file"; /* temporary file "name" */ int tmp(void) { extern char *envtmp; sigset_t set, oset; static int first; int fd; char path[MAXPATHLEN]; if (!first && !envtmp) { envtmp = getenv("TMPDIR"); first = 1; } if (envtmp) (void)snprintf(path, sizeof(path), "%s/%s", envtmp, _NAME_ARTMP); else strlcpy(path, _PATH_ARTMP, sizeof(path)); sigfillset(&set); (void)sigprocmask(SIG_BLOCK, &set, &oset); if ((fd = mkstemp(path)) == -1) error(tname); (void)unlink(path); (void)sigprocmask(SIG_SETMASK, &oset, NULL); return (fd); } /* * files -- * See if the current file matches any file in the argument list; if it * does, remove it from the argument list. */ char * files(char **argv) { char **list, *p; for (list = argv; *list; ++list) if (compare(*list)) { p = *list; for (; (list[0] = list[1]); ++list) continue; return (p); } return (NULL); } void orphans(char **argv) { for (; *argv; ++argv) warnx("%s: not found in archive", *argv); } char * rname(char *path) { char *ind; return ((ind = strrchr(path, '/')) ? ind + 1 : path); } int compare(char *dest) { if (options & AR_TR) return (!strncmp(chdr.name, rname(dest), OLDARMAXNAME)); return (!strcmp(chdr.name, rname(dest))); } void badfmt(void) { errno = EFTYPE; err(1, "%s", archive); } void error(char *name) { err(1, "%s", name); }