The release version of my package install suite. Please see man pages

for info.

1 files changed, 63 insertions, 0 deletions

diff --git a/usr.sbin/pkg_install/lib/pen.c b/usr.sbin/pkg_install/lib/pen.c
new file mode 100644
index 0000000..8a3416f
--- /dev/null
+++ b/usr.sbin/pkg_install/lib/pen.c
@@ -0,0 +1,63 @@
+#ifndef lint
+static const char *rcsid = "$Id: pen.c,v 1.1 1993/08/24 09:24:08 jkh Exp $";
+#endif
+
+/*
+ * FreeBSD install - a package for the installation and maintainance
+ * of non-core utilities.
+ *
+ * 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.
+ *
+ * Jordan K. Hubbard
+ * 18 July 1993
+ *
+ * Routines for managing the "play pen".
+ *
+ */
+
+#include "lib.h"
+
+/* For keeping track of where we are */
+static char Cwd[FILENAME_MAX];
+static char Pen[FILENAME_MAX];
+
+
+/*
+ * Make a temporary directory to play in and chdir() to it, returning
+ * pathname of previous working directory.
+ */
+char *
+make_playpen(void)
+{
+    if (!getcwd(Cwd, FILENAME_MAX))
+	upchuck("getcwd");
+    strcpy(Pen, "/tmp/instmp.XXXXXX");
+    if (!mktemp(Pen))
+	barf("Can't mktemp '%s'.", Pen);
+    if (mkdir(Pen, 0755) == FAIL)
+	barf("Can't mkdir '%s'.", Pen);
+    if (chdir(Pen) == FAIL)
+	barf("Can't chdir to '%s'.", Pen);
+    return Cwd;
+}
+
+/* Convenience routine for getting out of playpen */
+void
+leave_playpen(void)
+{
+    if (Cwd[0]) {
+	if (chdir(Cwd) == FAIL)
+	    barf("Can't chdir back to '%s'.", Cwd);
+	if (vsystem("rm -rf %s", Pen))
+	    fprintf(stderr, "Couldn't remove temporary dir '%s'\n", Pen);
+	Cwd[0] = '\0';
+    }
+}
+