Add multicall binary option

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 27 insertions, 0 deletions

diff --git a/sha3sum-mcb.c b/sha3sum-mcb.c
new file mode 100644
index 0000000..88990ca
--- /dev/null
+++ b/sha3sum-mcb.c
@@ -0,0 +1,27 @@
+/* See LICENSE file for copyright and license details. */
+#include <string.h>
+#include <stdio.h>
+
+#include "commands.h"
+
+#define _(NAME, MAIN) int MAIN(int argc, char *argv[]);
+LIST_COMMANDS(_)
+#undef _
+
+int
+main(int argc, char *argv[])
+{
+	char *p;
+
+	p = strrchr(argv[0], '/');
+	p = p ? &p[1] : argv[0];
+
+	#define _(NAME, MAIN)\
+		if (!strcmp(p, NAME))\
+			return MAIN(argc, argv);
+	LIST_COMMANDS(_)
+	#undef _
+
+	fprintf(stderr, "%s is a multicall binary and cannot be execute directly\n", argv[0]);
+	return 127;
+}