1 files changed, 60 insertions, 0 deletions
diff --git a/toys/other/hello.c b/toys/other/hello.c
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--- /dev/null
+++ b/toys/other/hello.c
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+/* vi: set sw=4 ts=4:
+ *
+ * hello.c - A hello world program.
+ *
+ * Copyright 2012 Rob Landley <rob@landley.net>
+ *
+ * Not in SUSv4/LSB.
+ * See http://opengroup.org/onlinepubs/9699919799/utilities/
+ * See http://refspecs.linuxfoundation.org/LSB_4.1.0/LSB-Core-generic/LSB-Core-generic/cmdbehav.html
+
+USE_HELLO(NEWTOY(hello, "e@d*c#b:a", TOYFLAG_USR|TOYFLAG_BIN))
+
+config HELLO
+	bool "hello"
+	default n
+	help
+	  usage: hello [-a] [-b string] [-c number] [-d list] [-e count] [...]
+
+	  A hello world program.  You don't need this.
+
+	  Mostly used as an example/skeleton file for adding new commands,
+	  occasionally nice to test kernel booting via "init=/bin/hello".
+*/
+
+#include "toys.h"
+
+// Hello doesn't use these globals, they're here for example/skeleton purposes.
+
+DEFINE_GLOBALS(
+	char *b_string;
+	long c_number;
+	struct arg_list *d_list;
+	long e_count;
+
+	int more_globals;
+)
+
+#define TT this.hello
+
+#define FLAG_a	1
+#define FLAG_b	2
+#define FLAG_c	4
+#define FLAG_d	8
+#define FLAG_e	16
+
+void hello_main(void)
+{
+	printf("Hello world\n");
+
+	if (toys.optflags & FLAG_a) printf("Saw a\n");
+	if (toys.optflags & FLAG_b) printf("b=%s\n", TT.b_string);
+	if (toys.optflags & FLAG_c) printf("c=%ld\n", TT.c_number);
+	while (TT.d_list) {
+		printf("d=%s\n", TT.d_list->arg);
+		TT.d_list = TT.d_list->next;
+	}
+	if (TT.e_count) printf("e was seen %ld times", TT.e_count);
+
+	while (*toys.optargs) printf("optarg=%s\n", *(toys.optargs++));
+}