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-rw-r--r--usr.bin/ar/misc.c148
1 files changed, 148 insertions, 0 deletions
diff --git a/usr.bin/ar/misc.c b/usr.bin/ar/misc.c
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+++ b/usr.bin/ar/misc.c
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+/*-
+ * 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. 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.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)misc.c 8.3 (Berkeley) 4/2/94";
+#endif /* not lint */
+
+#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()
+{
+ 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)sprintf(path, "%s/%s", envtmp, _NAME_ARTMP);
+ else
+ strcpy(path, _PATH_ARTMP);
+
+ 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(argv)
+ 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(argv)
+ char **argv;
+{
+
+ for (; *argv; ++argv)
+ warnx("%s: not found in archive", *argv);
+}
+
+char *
+rname(path)
+ char *path;
+{
+ char *ind;
+
+ return ((ind = strrchr(path, '/')) ? ind + 1 : path);
+}
+
+int
+compare(dest)
+ char *dest;
+{
+
+ if (options & AR_TR)
+ return (!strncmp(chdr.name, rname(dest), OLDARMAXNAME));
+ return (!strcmp(chdr.name, rname(dest)));
+}
+
+void
+badfmt()
+{
+
+ errx(1, "%s: %s", archive, strerror(EFTYPE));
+}
+
+void
+error(name)
+ char *name;
+{
+
+ errx(1, "%s", name);
+}
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