1 files changed, 135 insertions, 0 deletions
diff --git a/librols/saveargs.c b/librols/saveargs.c
new file mode 100644
index 0000000..c3a0b3c
--- /dev/null
+++ b/librols/saveargs.c
@@ -0,0 +1,135 @@
+/*
+ * This file has been modified for the cdrkit suite.
+ *
+ * The behaviour and appearence of the program code below can differ to a major
+ * extent from the version distributed by the original author(s).
+ *
+ * For details, see Changelog file distributed with the cdrkit package. If you
+ * received this file from another source then ask the distributing person for
+ * a log of modifications.
+ *
+ */
+
+/* @(#)saveargs.c	1.11 03/07/13 Copyright 1995-2003 J. Schilling */
+/*
+ *	save argc, argv for command error printing routines
+ *
+ *	Copyright (c) 1995-2003 J. Schilling
+ */
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; see the file COPYING.  If not, write to the Free Software
+ * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <mconfig.h>
+#include <standard.h>
+#include <strdefs.h>
+#include <stdxlib.h>
+#include <avoffset.h>
+#include <schily.h>
+
+#if	!defined(AV_OFFSET) || !defined(FP_INDIR)
+#	ifdef	HAVE_SCANSTACK
+#	undef	HAVE_SCANSTACK
+#	endif
+#endif
+
+static	int	ac_saved;
+static	char	**av_saved;
+static	char	*av0_saved;
+static	char	*progname_saved;
+
+static	char	av0_sp[32];	/* av0 space, avoid malloc() in most cases */
+static	char	prn_sp[32];	/* name space, avoid malloc() in most cases */
+static	char	dfl_str[] = "?";
+
+EXPORT void
+save_args(ac, av)
+	int	ac;
+	char	*av[];
+{
+	int	slen;
+
+	ac_saved = ac;
+	av_saved = av;
+
+	if (av0_saved && av0_saved != av0_sp)
+		free(av0_saved);
+
+	slen = strlen(av[0]) + 1;
+
+	if (slen <= (int)sizeof (av0_sp))
+		av0_saved = av0_sp;
+	else
+		av0_saved = malloc(slen);
+
+	if (av0_saved)
+		strcpy(av0_saved, av[0]);
+}
+
+EXPORT int
+saved_ac()
+{
+	return (ac_saved);
+}
+
+EXPORT char **
+saved_av()
+{
+	return (av_saved);
+}
+
+EXPORT char *
+saved_av0()
+{
+	return (av0_saved);
+}
+
+EXPORT void
+set_progname(name)
+	const char	*name;
+{
+	int	slen;
+
+	if (progname_saved && progname_saved != prn_sp)
+		free(progname_saved);
+
+	slen = strlen(name) + 1;
+
+	if (slen <= sizeof (prn_sp))
+		progname_saved = prn_sp;
+	else
+		progname_saved = malloc(slen);
+
+	if (progname_saved)
+		strcpy(progname_saved, name);
+}
+
+EXPORT char *
+get_progname()
+{
+#ifdef	HAVE_SCANSTACK
+	char	*progname;
+#endif
+
+	if (progname_saved)
+		return (progname_saved);
+	if (av0_saved)
+		return (av0_saved);
+#ifdef	HAVE_SCANSTACK
+	progname = getav0();		/* scan stack to get argv[0] */
+	if (progname)
+		return (progname);
+#endif
+	return (dfl_str);
+}