From bc4ca8f73ece3cb3d6d3538ea182b078142c65c9 Mon Sep 17 00:00:00 2001
From: Jakob Kaivo <jkk@ung.org>
Date: Wed, 20 Nov 2019 16:35:46 -0500
Subject: add rough outlines of cpio and tar interfaces

---
 cpio.c | 85 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)

(limited to 'cpio.c')

diff --git a/cpio.c b/cpio.c
index d8be243..5aaae0f 100644
--- a/cpio.c
+++ b/cpio.c
@@ -24,10 +24,12 @@
 
 #define _XOPEN_SOURCE 700
 #include <cpio.h>
+#include <locale.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/stat.h>
+#include <unistd.h>
 
 #include "pax.h"
 
@@ -112,3 +114,86 @@ int cpio_list(FILE *input, size_t firstlen, void *firstblock)
 
 	return 0;
 }
+
+int cpio_main(int argc, char *argv[])
+{
+	setlocale(LC_ALL, "");
+	int c;
+
+	while ((c = getopt(argc, argv, "oip")) != -1) {
+		switch (c) {
+		case 'o':
+			// create
+			break;
+
+		case 'i':
+			// extract
+			break;
+
+		case 'p':
+			// copy?
+			break;
+
+		default:
+			return 1;
+		}
+
+		break;
+	}
+
+	for (size_t i = 2; argv[optind][i] != '\0'; i++) {
+		printf("checking %c\n", argv[optind][i]);
+		switch (argv[optind][i]) {
+		case 'a':
+			// reset atimes
+			break;
+
+		case 'B':
+			// blocksize 5120
+			break;
+
+		case 'd':
+			// create directories
+			break;
+
+		case 'c':
+			// read and write in character form for portability
+			break;
+
+		case 'r':
+			// interactively rename files
+			break;
+
+		case 't':
+			// list table of contents
+			break;
+
+		case 'u':
+			// copy unconditionally
+			break;
+
+		case 'v':
+			// verbose
+			break;
+
+		case 'l':
+			// link instead of copy, requires -p
+			break;
+
+		case 'm':
+			// reset mtime
+			break;
+
+		case 'f':
+			// ignore files in pattern
+			break;
+
+		default:
+			fprintf(stderr, "cpio: unknown option '%c'\n",
+				argv[optind][i]);
+			return 1;
+		}
+	}
+
+	return 0;
+}
-- 
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