--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ffstools/tiffs-wrappers/pirffs.c	Mon Jan 27 05:08:09 2014 +0000
@@ -0,0 +1,78 @@
+/*
+ * pirffs is a wrapper around tiffs: we pass the user's command along,
+ * together with any options, but insert the 256x18 FFS organization argument
+ * automatically.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <unistd.h>
+
+extern char tiffs_prog_pathname[];
+
+char *imgfile;
+char *aopt, *ropt;
+char **passon_argv;
+int passon_argc;
+int output_argc;
+char **output_argv;
+
+main(argc, argv)
+	char **argv;
+{
+	extern int optind;
+	extern char *optarg;
+	int c;
+	char **sp, **dp;
+
+	while ((c = getopt(argc, argv, "+a:r:")) != EOF)
+		switch (c) {
+		case 'a':
+			aopt = optarg;
+			continue;
+		case 'r':
+			ropt = optarg;
+			continue;
+		default:
+usage:			fprintf(stderr,
+			"usage: %s [global-options] <imgfile> <op> ...\n",
+				argv[0]);
+			exit(1);
+		}
+	if (argc - optind < 2)
+		goto usage;
+	imgfile = argv[optind++];
+	passon_argv = argv + optind;
+	passon_argc = argc - optind;
+
+	output_argc = passon_argc + 3;
+	if (aopt)
+		output_argc += 2;
+	if (ropt)
+		output_argc += 2;
+	output_argv = malloc(sizeof(char *) * (output_argc + 1));
+	if (!output_argv) {
+		perror("malloc for tiffs argument list");
+		exit(1);
+	}
+	dp = output_argv;
+	*dp++ = "tiffs";
+	if (aopt) {
+		*dp++ = "-a";
+		*dp++ = aopt;
+	}
+	if (ropt) {
+		*dp++ = "-r";
+		*dp++ = ropt;
+	}
+	*dp++ = imgfile;
+	*dp++ = "256x18";
+	for (sp = passon_argv; *sp; sp++)
+		*dp++ = *sp;
+	*dp = 0;
+	execvp(tiffs_prog_pathname, output_argv);
+	perror(tiffs_prog_pathname);
+	exit(1);
+}